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1282 lines
55 KiB
1282 lines
55 KiB
/* crypto/ec/ec.h */ |
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/* |
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* Originally written by Bodo Moeller for the OpenSSL project. |
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*/ |
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/** |
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* \file crypto/ec/ec.h Include file for the OpenSSL EC functions |
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* \author Originally written by Bodo Moeller for the OpenSSL project |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* openssl-core@openssl.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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/* ==================================================================== |
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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* |
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* Portions of the attached software ("Contribution") are developed by |
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* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
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* |
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* The Contribution is licensed pursuant to the OpenSSL open source |
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* license provided above. |
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* |
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* The elliptic curve binary polynomial software is originally written by |
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* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. |
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* |
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*/ |
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#ifndef HEADER_EC_H |
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# define HEADER_EC_H |
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|
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# include <openssl/opensslconf.h> |
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|
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# ifdef OPENSSL_NO_EC |
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# error EC is disabled. |
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# endif |
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|
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# include <openssl/asn1.h> |
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# include <openssl/symhacks.h> |
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# ifndef OPENSSL_NO_DEPRECATED |
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# include <openssl/bn.h> |
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# endif |
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|
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# ifdef __cplusplus |
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extern "C" { |
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# elif defined(__SUNPRO_C) |
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# if __SUNPRO_C >= 0x520 |
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# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) |
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# endif |
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# endif |
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|
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# ifndef OPENSSL_ECC_MAX_FIELD_BITS |
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# define OPENSSL_ECC_MAX_FIELD_BITS 661 |
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# endif |
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/** Enum for the point conversion form as defined in X9.62 (ECDSA) |
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* for the encoding of a elliptic curve point (x,y) */ |
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typedef enum { |
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/** the point is encoded as z||x, where the octet z specifies |
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* which solution of the quadratic equation y is */ |
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POINT_CONVERSION_COMPRESSED = 2, |
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/** the point is encoded as z||x||y, where z is the octet 0x04 */ |
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POINT_CONVERSION_UNCOMPRESSED = 4, |
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/** the point is encoded as z||x||y, where the octet z specifies |
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* which solution of the quadratic equation y is */ |
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POINT_CONVERSION_HYBRID = 6 |
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} point_conversion_form_t; |
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typedef struct ec_method_st EC_METHOD; |
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typedef struct ec_group_st |
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/*- |
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EC_METHOD *meth; |
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-- field definition |
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-- curve coefficients |
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-- optional generator with associated information (order, cofactor) |
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-- optional extra data (precomputed table for fast computation of multiples of generator) |
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-- ASN1 stuff |
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*/ |
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EC_GROUP; |
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typedef struct ec_point_st EC_POINT; |
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/********************************************************************/ |
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/* EC_METHODs for curves over GF(p) */ |
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/********************************************************************/ |
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|
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/** Returns the basic GFp ec methods which provides the basis for the |
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* optimized methods. |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_simple_method(void); |
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|
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/** Returns GFp methods using montgomery multiplication. |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_mont_method(void); |
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|
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/** Returns GFp methods using optimized methods for NIST recommended curves |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_nist_method(void); |
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# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 |
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/** Returns 64-bit optimized methods for nistp224 |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_nistp224_method(void); |
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|
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/** Returns 64-bit optimized methods for nistp256 |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_nistp256_method(void); |
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|
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/** Returns 64-bit optimized methods for nistp521 |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GFp_nistp521_method(void); |
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# endif |
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# ifndef OPENSSL_NO_EC2M |
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/********************************************************************/ |
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/* EC_METHOD for curves over GF(2^m) */ |
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/********************************************************************/ |
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|
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/** Returns the basic GF2m ec method |
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* \return EC_METHOD object |
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*/ |
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const EC_METHOD *EC_GF2m_simple_method(void); |
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# endif |
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/********************************************************************/ |
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/* EC_GROUP functions */ |
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/********************************************************************/ |
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/** Creates a new EC_GROUP object |
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* \param meth EC_METHOD to use |
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* \return newly created EC_GROUP object or NULL in case of an error. |
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*/ |
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EC_GROUP *EC_GROUP_new(const EC_METHOD *meth); |
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|
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/** Frees a EC_GROUP object |
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* \param group EC_GROUP object to be freed. |
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*/ |
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void EC_GROUP_free(EC_GROUP *group); |
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/** Clears and frees a EC_GROUP object |
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* \param group EC_GROUP object to be cleared and freed. |
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*/ |
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void EC_GROUP_clear_free(EC_GROUP *group); |
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/** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD. |
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* \param dst destination EC_GROUP object |
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* \param src source EC_GROUP object |
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* \return 1 on success and 0 if an error occurred. |
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*/ |
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int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src); |
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|
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/** Creates a new EC_GROUP object and copies the copies the content |
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* form src to the newly created EC_KEY object |
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* \param src source EC_GROUP object |
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* \return newly created EC_GROUP object or NULL in case of an error. |
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*/ |
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EC_GROUP *EC_GROUP_dup(const EC_GROUP *src); |
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/** Returns the EC_METHOD of the EC_GROUP object. |
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* \param group EC_GROUP object |
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* \return EC_METHOD used in this EC_GROUP object. |
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*/ |
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const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group); |
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|
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/** Returns the field type of the EC_METHOD. |
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* \param meth EC_METHOD object |
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* \return NID of the underlying field type OID. |
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*/ |
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int EC_METHOD_get_field_type(const EC_METHOD *meth); |
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/** Sets the generator and it's order/cofactor of a EC_GROUP object. |
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* \param group EC_GROUP object |
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* \param generator EC_POINT object with the generator. |
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* \param order the order of the group generated by the generator. |
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* \param cofactor the index of the sub-group generated by the generator |
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* in the group of all points on the elliptic curve. |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, |
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const BIGNUM *order, const BIGNUM *cofactor); |
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/** Returns the generator of a EC_GROUP object. |
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* \param group EC_GROUP object |
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* \return the currently used generator (possibly NULL). |
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*/ |
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const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); |
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|
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/** Returns the montgomery data for order(Generator) |
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* \param group EC_GROUP object |
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* \return the currently used generator (possibly NULL). |
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*/ |
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BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group); |
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|
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/** Gets the order of a EC_GROUP |
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* \param group EC_GROUP object |
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* \param order BIGNUM to which the order is copied |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); |
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|
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/** Gets the cofactor of a EC_GROUP |
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* \param group EC_GROUP object |
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* \param cofactor BIGNUM to which the cofactor is copied |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, |
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BN_CTX *ctx); |
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|
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/** Sets the name of a EC_GROUP object |
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* \param group EC_GROUP object |
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* \param nid NID of the curve name OID |
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*/ |
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void EC_GROUP_set_curve_name(EC_GROUP *group, int nid); |
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|
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/** Returns the curve name of a EC_GROUP object |
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* \param group EC_GROUP object |
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* \return NID of the curve name OID or 0 if not set. |
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*/ |
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int EC_GROUP_get_curve_name(const EC_GROUP *group); |
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void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag); |
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int EC_GROUP_get_asn1_flag(const EC_GROUP *group); |
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void EC_GROUP_set_point_conversion_form(EC_GROUP *group, |
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point_conversion_form_t form); |
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point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); |
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unsigned char *EC_GROUP_get0_seed(const EC_GROUP *x); |
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size_t EC_GROUP_get_seed_len(const EC_GROUP *); |
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size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); |
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/** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b |
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* \param group EC_GROUP object |
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* \param p BIGNUM with the prime number |
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* \param a BIGNUM with parameter a of the equation |
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* \param b BIGNUM with parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx); |
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|
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/** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b |
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* \param group EC_GROUP object |
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* \param p BIGNUM for the prime number |
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* \param a BIGNUM for parameter a of the equation |
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* \param b BIGNUM for parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, |
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BIGNUM *b, BN_CTX *ctx); |
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# ifndef OPENSSL_NO_EC2M |
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/** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b |
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* \param group EC_GROUP object |
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* \param p BIGNUM with the polynomial defining the underlying field |
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* \param a BIGNUM with parameter a of the equation |
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* \param b BIGNUM with parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx); |
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|
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/** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b |
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* \param group EC_GROUP object |
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* \param p BIGNUM for the polynomial defining the underlying field |
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* \param a BIGNUM for parameter a of the equation |
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* \param b BIGNUM for parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, |
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BIGNUM *b, BN_CTX *ctx); |
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# endif |
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/** Returns the number of bits needed to represent a field element |
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* \param group EC_GROUP object |
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* \return number of bits needed to represent a field element |
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*/ |
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int EC_GROUP_get_degree(const EC_GROUP *group); |
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|
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/** Checks whether the parameter in the EC_GROUP define a valid ec group |
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* \param group EC_GROUP object |
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* \param ctx BN_CTX object (optional) |
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* \return 1 if group is a valid ec group and 0 otherwise |
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*/ |
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int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); |
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|
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/** Checks whether the discriminant of the elliptic curve is zero or not |
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* \param group EC_GROUP object |
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* \param ctx BN_CTX object (optional) |
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* \return 1 if the discriminant is not zero and 0 otherwise |
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*/ |
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int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); |
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|
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/** Compares two EC_GROUP objects |
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* \param a first EC_GROUP object |
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* \param b second EC_GROUP object |
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* \param ctx BN_CTX object (optional) |
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* \return 0 if both groups are equal and 1 otherwise |
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*/ |
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int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); |
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|
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/* |
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* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() after |
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* choosing an appropriate EC_METHOD |
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*/ |
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|
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/** Creates a new EC_GROUP object with the specified parameters defined |
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* over GFp (defined by the equation y^2 = x^3 + a*x + b) |
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* \param p BIGNUM with the prime number |
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* \param a BIGNUM with the parameter a of the equation |
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* \param b BIGNUM with the parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return newly created EC_GROUP object with the specified parameters |
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*/ |
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EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx); |
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# ifndef OPENSSL_NO_EC2M |
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/** Creates a new EC_GROUP object with the specified parameters defined |
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* over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b) |
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* \param p BIGNUM with the polynomial defining the underlying field |
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* \param a BIGNUM with the parameter a of the equation |
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* \param b BIGNUM with the parameter b of the equation |
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* \param ctx BN_CTX object (optional) |
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* \return newly created EC_GROUP object with the specified parameters |
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*/ |
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EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx); |
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# endif |
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/** Creates a EC_GROUP object with a curve specified by a NID |
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* \param nid NID of the OID of the curve name |
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* \return newly created EC_GROUP object with specified curve or NULL |
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* if an error occurred |
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*/ |
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EC_GROUP *EC_GROUP_new_by_curve_name(int nid); |
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|
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/********************************************************************/ |
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/* handling of internal curves */ |
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/********************************************************************/ |
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|
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typedef struct { |
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int nid; |
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const char *comment; |
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} EC_builtin_curve; |
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|
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/* |
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* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all |
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* available curves or zero if a error occurred. In case r ist not zero |
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* nitems EC_builtin_curve structures are filled with the data of the first |
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* nitems internal groups |
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*/ |
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size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); |
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|
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const char *EC_curve_nid2nist(int nid); |
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int EC_curve_nist2nid(const char *name); |
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|
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/********************************************************************/ |
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/* EC_POINT functions */ |
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/********************************************************************/ |
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|
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/** Creates a new EC_POINT object for the specified EC_GROUP |
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* \param group EC_GROUP the underlying EC_GROUP object |
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* \return newly created EC_POINT object or NULL if an error occurred |
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*/ |
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EC_POINT *EC_POINT_new(const EC_GROUP *group); |
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|
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/** Frees a EC_POINT object |
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* \param point EC_POINT object to be freed |
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*/ |
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void EC_POINT_free(EC_POINT *point); |
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|
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/** Clears and frees a EC_POINT object |
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* \param point EC_POINT object to be cleared and freed |
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*/ |
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void EC_POINT_clear_free(EC_POINT *point); |
|
|
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/** Copies EC_POINT object |
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* \param dst destination EC_POINT object |
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* \param src source EC_POINT object |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src); |
|
|
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/** Creates a new EC_POINT object and copies the content of the supplied |
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* EC_POINT |
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* \param src source EC_POINT object |
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* \param group underlying the EC_GROUP object |
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* \return newly created EC_POINT object or NULL if an error occurred |
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*/ |
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EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group); |
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|
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/** Returns the EC_METHOD used in EC_POINT object |
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* \param point EC_POINT object |
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* \return the EC_METHOD used |
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*/ |
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const EC_METHOD *EC_POINT_method_of(const EC_POINT *point); |
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|
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/** Sets a point to infinity (neutral element) |
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* \param group underlying EC_GROUP object |
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* \param point EC_POINT to set to infinity |
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* \return 1 on success and 0 if an error occured |
|
*/ |
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int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point); |
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|
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/** Sets the jacobian projective coordinates of a EC_POINT over GFp |
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* \param group underlying EC_GROUP object |
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* \param p EC_POINT object |
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* \param x BIGNUM with the x-coordinate |
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* \param y BIGNUM with the y-coordinate |
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* \param z BIGNUM with the z-coordinate |
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* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
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int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, |
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EC_POINT *p, const BIGNUM *x, |
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const BIGNUM *y, const BIGNUM *z, |
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BN_CTX *ctx); |
|
|
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/** Gets the jacobian projective coordinates of a EC_POINT over GFp |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM for the x-coordinate |
|
* \param y BIGNUM for the y-coordinate |
|
* \param z BIGNUM for the z-coordinate |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
|
*/ |
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int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, |
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const EC_POINT *p, BIGNUM *x, |
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BIGNUM *y, BIGNUM *z, |
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BN_CTX *ctx); |
|
|
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/** Sets the affine coordinates of a EC_POINT over GFp |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM with the x-coordinate |
|
* \param y BIGNUM with the y-coordinate |
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* \param ctx BN_CTX object (optional) |
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* \return 1 on success and 0 if an error occured |
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*/ |
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int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
|
const BIGNUM *x, const BIGNUM *y, |
|
BN_CTX *ctx); |
|
|
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/** Gets the affine coordinates of a EC_POINT over GFp |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM for the x-coordinate |
|
* \param y BIGNUM for the y-coordinate |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, |
|
const EC_POINT *p, BIGNUM *x, |
|
BIGNUM *y, BN_CTX *ctx); |
|
|
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/** Sets the x9.62 compressed coordinates of a EC_POINT over GFp |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM with x-coordinate |
|
* \param y_bit integer with the y-Bit (either 0 or 1) |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, |
|
EC_POINT *p, const BIGNUM *x, |
|
int y_bit, BN_CTX *ctx); |
|
# ifndef OPENSSL_NO_EC2M |
|
/** Sets the affine coordinates of a EC_POINT over GF2m |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM with the x-coordinate |
|
* \param y BIGNUM with the y-coordinate |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, |
|
const BIGNUM *x, const BIGNUM *y, |
|
BN_CTX *ctx); |
|
|
|
/** Gets the affine coordinates of a EC_POINT over GF2m |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM for the x-coordinate |
|
* \param y BIGNUM for the y-coordinate |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, |
|
const EC_POINT *p, BIGNUM *x, |
|
BIGNUM *y, BN_CTX *ctx); |
|
|
|
/** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param x BIGNUM with x-coordinate |
|
* \param y_bit integer with the y-Bit (either 0 or 1) |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, |
|
EC_POINT *p, const BIGNUM *x, |
|
int y_bit, BN_CTX *ctx); |
|
# endif |
|
/** Encodes a EC_POINT object to a octet string |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param form point conversion form |
|
* \param buf memory buffer for the result. If NULL the function returns |
|
* required buffer size. |
|
* \param len length of the memory buffer |
|
* \param ctx BN_CTX object (optional) |
|
* \return the length of the encoded octet string or 0 if an error occurred |
|
*/ |
|
size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, |
|
point_conversion_form_t form, |
|
unsigned char *buf, size_t len, BN_CTX *ctx); |
|
|
|
/** Decodes a EC_POINT from a octet string |
|
* \param group underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \param buf memory buffer with the encoded ec point |
|
* \param len length of the encoded ec point |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, |
|
const unsigned char *buf, size_t len, BN_CTX *ctx); |
|
|
|
/* other interfaces to point2oct/oct2point: */ |
|
BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, |
|
point_conversion_form_t form, BIGNUM *, BN_CTX *); |
|
EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *, |
|
EC_POINT *, BN_CTX *); |
|
char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, |
|
point_conversion_form_t form, BN_CTX *); |
|
EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, |
|
EC_POINT *, BN_CTX *); |
|
|
|
/********************************************************************/ |
|
/* functions for doing EC_POINT arithmetic */ |
|
/********************************************************************/ |
|
|
|
/** Computes the sum of two EC_POINT |
|
* \param group underlying EC_GROUP object |
|
* \param r EC_POINT object for the result (r = a + b) |
|
* \param a EC_POINT object with the first summand |
|
* \param b EC_POINT object with the second summand |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, |
|
const EC_POINT *b, BN_CTX *ctx); |
|
|
|
/** Computes the double of a EC_POINT |
|
* \param group underlying EC_GROUP object |
|
* \param r EC_POINT object for the result (r = 2 * a) |
|
* \param a EC_POINT object |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, |
|
BN_CTX *ctx); |
|
|
|
/** Computes the inverse of a EC_POINT |
|
* \param group underlying EC_GROUP object |
|
* \param a EC_POINT object to be inverted (it's used for the result as well) |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx); |
|
|
|
/** Checks whether the point is the neutral element of the group |
|
* \param group the underlying EC_GROUP object |
|
* \param p EC_POINT object |
|
* \return 1 if the point is the neutral element and 0 otherwise |
|
*/ |
|
int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); |
|
|
|
/** Checks whether the point is on the curve |
|
* \param group underlying EC_GROUP object |
|
* \param point EC_POINT object to check |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 if point if on the curve and 0 otherwise |
|
*/ |
|
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, |
|
BN_CTX *ctx); |
|
|
|
/** Compares two EC_POINTs |
|
* \param group underlying EC_GROUP object |
|
* \param a first EC_POINT object |
|
* \param b second EC_POINT object |
|
* \param ctx BN_CTX object (optional) |
|
* \return 0 if both points are equal and a value != 0 otherwise |
|
*/ |
|
int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, |
|
BN_CTX *ctx); |
|
|
|
int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx); |
|
int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, |
|
EC_POINT *points[], BN_CTX *ctx); |
|
|
|
/** Computes r = generator * n sum_{i=0}^{num-1} p[i] * m[i] |
|
* \param group underlying EC_GROUP object |
|
* \param r EC_POINT object for the result |
|
* \param n BIGNUM with the multiplier for the group generator (optional) |
|
* \param num number futher summands |
|
* \param p array of size num of EC_POINT objects |
|
* \param m array of size num of BIGNUM objects |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, |
|
size_t num, const EC_POINT *p[], const BIGNUM *m[], |
|
BN_CTX *ctx); |
|
|
|
/** Computes r = generator * n + q * m |
|
* \param group underlying EC_GROUP object |
|
* \param r EC_POINT object for the result |
|
* \param n BIGNUM with the multiplier for the group generator (optional) |
|
* \param q EC_POINT object with the first factor of the second summand |
|
* \param m BIGNUM with the second factor of the second summand |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, |
|
const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx); |
|
|
|
/** Stores multiples of generator for faster point multiplication |
|
* \param group EC_GROUP object |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occured |
|
*/ |
|
int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx); |
|
|
|
/** Reports whether a precomputation has been done |
|
* \param group EC_GROUP object |
|
* \return 1 if a pre-computation has been done and 0 otherwise |
|
*/ |
|
int EC_GROUP_have_precompute_mult(const EC_GROUP *group); |
|
|
|
/********************************************************************/ |
|
/* ASN1 stuff */ |
|
/********************************************************************/ |
|
|
|
/* |
|
* EC_GROUP_get_basis_type() returns the NID of the basis type used to |
|
* represent the field elements |
|
*/ |
|
int EC_GROUP_get_basis_type(const EC_GROUP *); |
|
# ifndef OPENSSL_NO_EC2M |
|
int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k); |
|
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, |
|
unsigned int *k2, unsigned int *k3); |
|
# endif |
|
|
|
# define OPENSSL_EC_NAMED_CURVE 0x001 |
|
|
|
typedef struct ecpk_parameters_st ECPKPARAMETERS; |
|
|
|
EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len); |
|
int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out); |
|
|
|
# define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x) |
|
# define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x) |
|
# define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \ |
|
(char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x)) |
|
# define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \ |
|
(unsigned char *)(x)) |
|
|
|
# ifndef OPENSSL_NO_BIO |
|
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); |
|
# endif |
|
# ifndef OPENSSL_NO_FP_API |
|
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); |
|
# endif |
|
|
|
/********************************************************************/ |
|
/* EC_KEY functions */ |
|
/********************************************************************/ |
|
|
|
typedef struct ec_key_st EC_KEY; |
|
|
|
/* some values for the encoding_flag */ |
|
# define EC_PKEY_NO_PARAMETERS 0x001 |
|
# define EC_PKEY_NO_PUBKEY 0x002 |
|
|
|
/* some values for the flags field */ |
|
# define EC_FLAG_NON_FIPS_ALLOW 0x1 |
|
# define EC_FLAG_FIPS_CHECKED 0x2 |
|
|
|
/** Creates a new EC_KEY object. |
|
* \return EC_KEY object or NULL if an error occurred. |
|
*/ |
|
EC_KEY *EC_KEY_new(void); |
|
|
|
int EC_KEY_get_flags(const EC_KEY *key); |
|
|
|
void EC_KEY_set_flags(EC_KEY *key, int flags); |
|
|
|
void EC_KEY_clear_flags(EC_KEY *key, int flags); |
|
|
|
/** Creates a new EC_KEY object using a named curve as underlying |
|
* EC_GROUP object. |
|
* \param nid NID of the named curve. |
|
* \return EC_KEY object or NULL if an error occurred. |
|
*/ |
|
EC_KEY *EC_KEY_new_by_curve_name(int nid); |
|
|
|
/** Frees a EC_KEY object. |
|
* \param key EC_KEY object to be freed. |
|
*/ |
|
void EC_KEY_free(EC_KEY *key); |
|
|
|
/** Copies a EC_KEY object. |
|
* \param dst destination EC_KEY object |
|
* \param src src EC_KEY object |
|
* \return dst or NULL if an error occurred. |
|
*/ |
|
EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src); |
|
|
|
/** Creates a new EC_KEY object and copies the content from src to it. |
|
* \param src the source EC_KEY object |
|
* \return newly created EC_KEY object or NULL if an error occurred. |
|
*/ |
|
EC_KEY *EC_KEY_dup(const EC_KEY *src); |
|
|
|
/** Increases the internal reference count of a EC_KEY object. |
|
* \param key EC_KEY object |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_up_ref(EC_KEY *key); |
|
|
|
/** Returns the EC_GROUP object of a EC_KEY object |
|
* \param key EC_KEY object |
|
* \return the EC_GROUP object (possibly NULL). |
|
*/ |
|
const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); |
|
|
|
/** Sets the EC_GROUP of a EC_KEY object. |
|
* \param key EC_KEY object |
|
* \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY |
|
* object will use an own copy of the EC_GROUP). |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); |
|
|
|
/** Returns the private key of a EC_KEY object. |
|
* \param key EC_KEY object |
|
* \return a BIGNUM with the private key (possibly NULL). |
|
*/ |
|
const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); |
|
|
|
/** Sets the private key of a EC_KEY object. |
|
* \param key EC_KEY object |
|
* \param prv BIGNUM with the private key (note: the EC_KEY object |
|
* will use an own copy of the BIGNUM). |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); |
|
|
|
/** Returns the public key of a EC_KEY object. |
|
* \param key the EC_KEY object |
|
* \return a EC_POINT object with the public key (possibly NULL) |
|
*/ |
|
const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); |
|
|
|
/** Sets the public key of a EC_KEY object. |
|
* \param key EC_KEY object |
|
* \param pub EC_POINT object with the public key (note: the EC_KEY object |
|
* will use an own copy of the EC_POINT object). |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); |
|
|
|
unsigned EC_KEY_get_enc_flags(const EC_KEY *key); |
|
void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags); |
|
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key); |
|
void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform); |
|
/* functions to set/get method specific data */ |
|
void *EC_KEY_get_key_method_data(EC_KEY *key, |
|
void *(*dup_func) (void *), |
|
void (*free_func) (void *), |
|
void (*clear_free_func) (void *)); |
|
/** Sets the key method data of an EC_KEY object, if none has yet been set. |
|
* \param key EC_KEY object |
|
* \param data opaque data to install. |
|
* \param dup_func a function that duplicates |data|. |
|
* \param free_func a function that frees |data|. |
|
* \param clear_free_func a function that wipes and frees |data|. |
|
* \return the previously set data pointer, or NULL if |data| was inserted. |
|
*/ |
|
void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data, |
|
void *(*dup_func) (void *), |
|
void (*free_func) (void *), |
|
void (*clear_free_func) (void *)); |
|
/* wrapper functions for the underlying EC_GROUP object */ |
|
void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag); |
|
|
|
/** Creates a table of pre-computed multiples of the generator to |
|
* accelerate further EC_KEY operations. |
|
* \param key EC_KEY object |
|
* \param ctx BN_CTX object (optional) |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx); |
|
|
|
/** Creates a new ec private (and optional a new public) key. |
|
* \param key EC_KEY object |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int EC_KEY_generate_key(EC_KEY *key); |
|
|
|
/** Verifies that a private and/or public key is valid. |
|
* \param key the EC_KEY object |
|
* \return 1 on success and 0 otherwise. |
|
*/ |
|
int EC_KEY_check_key(const EC_KEY *key); |
|
|
|
/** Sets a public key from affine coordindates performing |
|
* neccessary NIST PKV tests. |
|
* \param key the EC_KEY object |
|
* \param x public key x coordinate |
|
* \param y public key y coordinate |
|
* \return 1 on success and 0 otherwise. |
|
*/ |
|
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, |
|
BIGNUM *y); |
|
|
|
/********************************************************************/ |
|
/* de- and encoding functions for SEC1 ECPrivateKey */ |
|
/********************************************************************/ |
|
|
|
/** Decodes a private key from a memory buffer. |
|
* \param key a pointer to a EC_KEY object which should be used (or NULL) |
|
* \param in pointer to memory with the DER encoded private key |
|
* \param len length of the DER encoded private key |
|
* \return the decoded private key or NULL if an error occurred. |
|
*/ |
|
EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); |
|
|
|
/** Encodes a private key object and stores the result in a buffer. |
|
* \param key the EC_KEY object to encode |
|
* \param out the buffer for the result (if NULL the function returns number |
|
* of bytes needed). |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); |
|
|
|
/********************************************************************/ |
|
/* de- and encoding functions for EC parameters */ |
|
/********************************************************************/ |
|
|
|
/** Decodes ec parameter from a memory buffer. |
|
* \param key a pointer to a EC_KEY object which should be used (or NULL) |
|
* \param in pointer to memory with the DER encoded ec parameters |
|
* \param len length of the DER encoded ec parameters |
|
* \return a EC_KEY object with the decoded parameters or NULL if an error |
|
* occurred. |
|
*/ |
|
EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len); |
|
|
|
/** Encodes ec parameter and stores the result in a buffer. |
|
* \param key the EC_KEY object with ec paramters to encode |
|
* \param out the buffer for the result (if NULL the function returns number |
|
* of bytes needed). |
|
* \return 1 on success and 0 if an error occurred. |
|
*/ |
|
int i2d_ECParameters(EC_KEY *key, unsigned char **out); |
|
|
|
/********************************************************************/ |
|
/* de- and encoding functions for EC public key */ |
|
/* (octet string, not DER -- hence 'o2i' and 'i2o') */ |
|
/********************************************************************/ |
|
|
|
/** Decodes a ec public key from a octet string. |
|
* \param key a pointer to a EC_KEY object which should be used |
|
* \param in memory buffer with the encoded public key |
|
* \param len length of the encoded public key |
|
* \return EC_KEY object with decoded public key or NULL if an error |
|
* occurred. |
|
*/ |
|
EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); |
|
|
|
/** Encodes a ec public key in an octet string. |
|
* \param key the EC_KEY object with the public key |
|
* \param out the buffer for the result (if NULL the function returns number |
|
* of bytes needed). |
|
* \return 1 on success and 0 if an error occurred |
|
*/ |
|
int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); |
|
|
|
# ifndef OPENSSL_NO_BIO |
|
/** Prints out the ec parameters on human readable form. |
|
* \param bp BIO object to which the information is printed |
|
* \param key EC_KEY object |
|
* \return 1 on success and 0 if an error occurred |
|
*/ |
|
int ECParameters_print(BIO *bp, const EC_KEY *key); |
|
|
|
/** Prints out the contents of a EC_KEY object |
|
* \param bp BIO object to which the information is printed |
|
* \param key EC_KEY object |
|
* \param off line offset |
|
* \return 1 on success and 0 if an error occurred |
|
*/ |
|
int EC_KEY_print(BIO *bp, const EC_KEY *key, int off); |
|
|
|
# endif |
|
# ifndef OPENSSL_NO_FP_API |
|
/** Prints out the ec parameters on human readable form. |
|
* \param fp file descriptor to which the information is printed |
|
* \param key EC_KEY object |
|
* \return 1 on success and 0 if an error occurred |
|
*/ |
|
int ECParameters_print_fp(FILE *fp, const EC_KEY *key); |
|
|
|
/** Prints out the contents of a EC_KEY object |
|
* \param fp file descriptor to which the information is printed |
|
* \param key EC_KEY object |
|
* \param off line offset |
|
* \return 1 on success and 0 if an error occurred |
|
*/ |
|
int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); |
|
|
|
# endif |
|
|
|
# define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) |
|
|
|
# ifndef __cplusplus |
|
# if defined(__SUNPRO_C) |
|
# if __SUNPRO_C >= 0x520 |
|
# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) |
|
# endif |
|
# endif |
|
# endif |
|
|
|
# define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \ |
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
|
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \ |
|
EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL) |
|
|
|
# define EVP_PKEY_CTX_set_ec_param_enc(ctx, flag) \ |
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
|
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \ |
|
EVP_PKEY_CTRL_EC_PARAM_ENC, flag, NULL) |
|
|
|
# define EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, flag) \ |
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
|
EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_ECDH_COFACTOR, flag, NULL) |
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# define EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_ECDH_COFACTOR, -2, NULL) |
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# define EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, kdf) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_KDF_TYPE, kdf, NULL) |
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|
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# define EVP_PKEY_CTX_get_ecdh_kdf_type(ctx) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_KDF_TYPE, -2, NULL) |
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|
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# define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md) |
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# define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd) |
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|
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# define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_KDF_OUTLEN, len, NULL) |
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|
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# define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen) |
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|
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# define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p) |
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|
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# define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \ |
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \ |
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EVP_PKEY_OP_DERIVE, \ |
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EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p) |
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|
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# define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1) |
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# define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2) |
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# define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3) |
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# define EVP_PKEY_CTRL_EC_KDF_TYPE (EVP_PKEY_ALG_CTRL + 4) |
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# define EVP_PKEY_CTRL_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 5) |
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# define EVP_PKEY_CTRL_GET_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 6) |
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# define EVP_PKEY_CTRL_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 7) |
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# define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8) |
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# define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9) |
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# define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10) |
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/* KDF types */ |
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# define EVP_PKEY_ECDH_KDF_NONE 1 |
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# define EVP_PKEY_ECDH_KDF_X9_62 2 |
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|
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/* BEGIN ERROR CODES */ |
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/* |
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* The following lines are auto generated by the script mkerr.pl. Any changes |
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* made after this point may be overwritten when the script is next run. |
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*/ |
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void ERR_load_EC_strings(void); |
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|
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/* Error codes for the EC functions. */ |
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|
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/* Function codes. */ |
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# define EC_F_BN_TO_FELEM 224 |
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# define EC_F_COMPUTE_WNAF 143 |
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# define EC_F_D2I_ECPARAMETERS 144 |
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# define EC_F_D2I_ECPKPARAMETERS 145 |
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# define EC_F_D2I_ECPRIVATEKEY 146 |
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# define EC_F_DO_EC_KEY_PRINT 221 |
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# define EC_F_ECDH_CMS_DECRYPT 238 |
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# define EC_F_ECDH_CMS_SET_SHARED_INFO 239 |
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# define EC_F_ECKEY_PARAM2TYPE 223 |
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# define EC_F_ECKEY_PARAM_DECODE 212 |
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# define EC_F_ECKEY_PRIV_DECODE 213 |
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# define EC_F_ECKEY_PRIV_ENCODE 214 |
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# define EC_F_ECKEY_PUB_DECODE 215 |
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# define EC_F_ECKEY_PUB_ENCODE 216 |
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# define EC_F_ECKEY_TYPE2PARAM 220 |
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# define EC_F_ECPARAMETERS_PRINT 147 |
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# define EC_F_ECPARAMETERS_PRINT_FP 148 |
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# define EC_F_ECPKPARAMETERS_PRINT 149 |
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# define EC_F_ECPKPARAMETERS_PRINT_FP 150 |
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# define EC_F_ECP_NISTZ256_GET_AFFINE 240 |
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# define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 243 |
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# define EC_F_ECP_NISTZ256_POINTS_MUL 241 |
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# define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244 |
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# define EC_F_ECP_NISTZ256_SET_WORDS 245 |
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# define EC_F_ECP_NISTZ256_WINDOWED_MUL 242 |
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# define EC_F_ECP_NIST_MOD_192 203 |
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# define EC_F_ECP_NIST_MOD_224 204 |
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# define EC_F_ECP_NIST_MOD_256 205 |
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# define EC_F_ECP_NIST_MOD_521 206 |
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# define EC_F_EC_ASN1_GROUP2CURVE 153 |
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# define EC_F_EC_ASN1_GROUP2FIELDID 154 |
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# define EC_F_EC_ASN1_GROUP2PARAMETERS 155 |
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# define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 |
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# define EC_F_EC_ASN1_PARAMETERS2GROUP 157 |
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# define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 |
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# define EC_F_EC_EX_DATA_SET_DATA 211 |
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# define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 |
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# define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 |
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# define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 |
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# define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 |
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# define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161 |
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# define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162 |
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# define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163 |
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# define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 |
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# define EC_F_EC_GFP_MONT_FIELD_DECODE 133 |
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# define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 |
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# define EC_F_EC_GFP_MONT_FIELD_MUL 131 |
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# define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 |
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# define EC_F_EC_GFP_MONT_FIELD_SQR 132 |
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# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 |
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# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 |
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# define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225 |
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# define EC_F_EC_GFP_NISTP224_POINTS_MUL 228 |
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# define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226 |
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# define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230 |
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# define EC_F_EC_GFP_NISTP256_POINTS_MUL 231 |
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# define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232 |
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# define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233 |
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# define EC_F_EC_GFP_NISTP521_POINTS_MUL 234 |
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# define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235 |
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# define EC_F_EC_GFP_NIST_FIELD_MUL 200 |
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# define EC_F_EC_GFP_NIST_FIELD_SQR 201 |
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# define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 |
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# define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 |
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# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 |
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# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 |
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# define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 |
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# define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 |
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# define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 |
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# define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 |
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# define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 |
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# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 |
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# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 |
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# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 |
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# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 |
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# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 |
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# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 |
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# define EC_F_EC_GROUP_CHECK 170 |
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# define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 |
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# define EC_F_EC_GROUP_COPY 106 |
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# define EC_F_EC_GROUP_GET0_GENERATOR 139 |
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# define EC_F_EC_GROUP_GET_COFACTOR 140 |
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# define EC_F_EC_GROUP_GET_CURVE_GF2M 172 |
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# define EC_F_EC_GROUP_GET_CURVE_GFP 130 |
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# define EC_F_EC_GROUP_GET_DEGREE 173 |
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# define EC_F_EC_GROUP_GET_ORDER 141 |
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# define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 |
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# define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 |
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# define EC_F_EC_GROUP_NEW 108 |
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# define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 |
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# define EC_F_EC_GROUP_NEW_FROM_DATA 175 |
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# define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 |
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# define EC_F_EC_GROUP_SET_CURVE_GF2M 176 |
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# define EC_F_EC_GROUP_SET_CURVE_GFP 109 |
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# define EC_F_EC_GROUP_SET_EXTRA_DATA 110 |
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# define EC_F_EC_GROUP_SET_GENERATOR 111 |
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# define EC_F_EC_KEY_CHECK_KEY 177 |
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# define EC_F_EC_KEY_COPY 178 |
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# define EC_F_EC_KEY_GENERATE_KEY 179 |
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# define EC_F_EC_KEY_NEW 182 |
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# define EC_F_EC_KEY_PRINT 180 |
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# define EC_F_EC_KEY_PRINT_FP 181 |
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# define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229 |
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# define EC_F_EC_POINTS_MAKE_AFFINE 136 |
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# define EC_F_EC_POINT_ADD 112 |
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# define EC_F_EC_POINT_CMP 113 |
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# define EC_F_EC_POINT_COPY 114 |
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# define EC_F_EC_POINT_DBL 115 |
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# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183 |
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# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116 |
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# define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117 |
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# define EC_F_EC_POINT_INVERT 210 |
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# define EC_F_EC_POINT_IS_AT_INFINITY 118 |
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# define EC_F_EC_POINT_IS_ON_CURVE 119 |
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# define EC_F_EC_POINT_MAKE_AFFINE 120 |
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# define EC_F_EC_POINT_MUL 184 |
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# define EC_F_EC_POINT_NEW 121 |
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# define EC_F_EC_POINT_OCT2POINT 122 |
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# define EC_F_EC_POINT_POINT2OCT 123 |
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# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185 |
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# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124 |
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# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186 |
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# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 |
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# define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 |
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# define EC_F_EC_POINT_SET_TO_INFINITY 127 |
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# define EC_F_EC_PRE_COMP_DUP 207 |
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# define EC_F_EC_PRE_COMP_NEW 196 |
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# define EC_F_EC_WNAF_MUL 187 |
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# define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 |
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# define EC_F_I2D_ECPARAMETERS 190 |
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# define EC_F_I2D_ECPKPARAMETERS 191 |
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# define EC_F_I2D_ECPRIVATEKEY 192 |
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# define EC_F_I2O_ECPUBLICKEY 151 |
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# define EC_F_NISTP224_PRE_COMP_NEW 227 |
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# define EC_F_NISTP256_PRE_COMP_NEW 236 |
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# define EC_F_NISTP521_PRE_COMP_NEW 237 |
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# define EC_F_O2I_ECPUBLICKEY 152 |
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# define EC_F_OLD_EC_PRIV_DECODE 222 |
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# define EC_F_PKEY_EC_CTRL 197 |
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# define EC_F_PKEY_EC_CTRL_STR 198 |
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# define EC_F_PKEY_EC_DERIVE 217 |
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# define EC_F_PKEY_EC_KEYGEN 199 |
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# define EC_F_PKEY_EC_PARAMGEN 219 |
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# define EC_F_PKEY_EC_SIGN 218 |
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|
|
/* Reason codes. */ |
|
# define EC_R_ASN1_ERROR 115 |
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# define EC_R_ASN1_UNKNOWN_FIELD 116 |
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# define EC_R_BIGNUM_OUT_OF_RANGE 144 |
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# define EC_R_BUFFER_TOO_SMALL 100 |
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# define EC_R_COORDINATES_OUT_OF_RANGE 146 |
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# define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 |
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# define EC_R_DECODE_ERROR 142 |
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# define EC_R_DISCRIMINANT_IS_ZERO 118 |
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# define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 |
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# define EC_R_FIELD_TOO_LARGE 143 |
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# define EC_R_GF2M_NOT_SUPPORTED 147 |
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# define EC_R_GROUP2PKPARAMETERS_FAILURE 120 |
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# define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 |
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# define EC_R_INCOMPATIBLE_OBJECTS 101 |
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# define EC_R_INVALID_ARGUMENT 112 |
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# define EC_R_INVALID_COMPRESSED_POINT 110 |
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# define EC_R_INVALID_COMPRESSION_BIT 109 |
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# define EC_R_INVALID_CURVE 141 |
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# define EC_R_INVALID_DIGEST 151 |
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# define EC_R_INVALID_DIGEST_TYPE 138 |
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# define EC_R_INVALID_ENCODING 102 |
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# define EC_R_INVALID_FIELD 103 |
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# define EC_R_INVALID_FORM 104 |
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# define EC_R_INVALID_GROUP_ORDER 122 |
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# define EC_R_INVALID_PENTANOMIAL_BASIS 132 |
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# define EC_R_INVALID_PRIVATE_KEY 123 |
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# define EC_R_INVALID_TRINOMIAL_BASIS 137 |
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# define EC_R_KDF_PARAMETER_ERROR 148 |
|
# define EC_R_KEYS_NOT_SET 140 |
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# define EC_R_MISSING_PARAMETERS 124 |
|
# define EC_R_MISSING_PRIVATE_KEY 125 |
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# define EC_R_NOT_A_NIST_PRIME 135 |
|
# define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136 |
|
# define EC_R_NOT_IMPLEMENTED 126 |
|
# define EC_R_NOT_INITIALIZED 111 |
|
# define EC_R_NO_FIELD_MOD 133 |
|
# define EC_R_NO_PARAMETERS_SET 139 |
|
# define EC_R_PASSED_NULL_PARAMETER 134 |
|
# define EC_R_PEER_KEY_ERROR 149 |
|
# define EC_R_PKPARAMETERS2GROUP_FAILURE 127 |
|
# define EC_R_POINT_AT_INFINITY 106 |
|
# define EC_R_POINT_IS_NOT_ON_CURVE 107 |
|
# define EC_R_SHARED_INFO_ERROR 150 |
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# define EC_R_SLOT_FULL 108 |
|
# define EC_R_UNDEFINED_GENERATOR 113 |
|
# define EC_R_UNDEFINED_ORDER 128 |
|
# define EC_R_UNKNOWN_GROUP 129 |
|
# define EC_R_UNKNOWN_ORDER 114 |
|
# define EC_R_UNSUPPORTED_FIELD 131 |
|
# define EC_R_WRONG_CURVE_PARAMETERS 145 |
|
# define EC_R_WRONG_ORDER 130 |
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|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
#endif
|
|
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