X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=include%2Fopenssl%2Fec.h;h=c4aeaed5c134f62c6c3cfb165200b16f88deaeed;hp=6683e1726644bd9d8aaf105cf3b000e595863b5a;hb=7c1709c2da5414f5b6133d00a03fc8c5bf996c7a;hpb=714b2abb298552698d19818d42d6cc19ffdb7cf2 diff --git a/include/openssl/ec.h b/include/openssl/ec.h index 6683e17266..c4aeaed5c1 100644 --- a/include/openssl/ec.h +++ b/include/openssl/ec.h @@ -1,64 +1,12 @@ -/* crypto/ec/ec.h */ /* - * Originally written by Bodo Moeller for the OpenSSL project. - */ -/** - * \file crypto/ec/ec.h Include file for the OpenSSL EC functions - * \author Originally written by Bodo Moeller for the OpenSSL project - */ -/* ==================================================================== - * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). + * Copyright 2002-2019 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ + /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * @@ -78,22 +26,14 @@ # include -# ifdef OPENSSL_NO_EC -# error EC is disabled. -# endif - +# ifndef OPENSSL_NO_EC # include # include -# ifdef OPENSSL_USE_DEPRECATED +# if OPENSSL_API_COMPAT < 0x10100000L # include # endif - # ifdef __cplusplus extern "C" { -# elif defined(__SUNPRO_C) -# if __SUNPRO_C >= 0x520 -# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) -# endif # endif # ifndef OPENSSL_ECC_MAX_FIELD_BITS @@ -114,19 +54,10 @@ typedef enum { } point_conversion_form_t; typedef struct ec_method_st EC_METHOD; - -typedef struct ec_group_st - /*- - EC_METHOD *meth; - -- field definition - -- curve coefficients - -- optional generator with associated information (order, cofactor) - -- optional extra data (precomputed table for fast computation of multiples of generator) - -- ASN1 stuff - */ - EC_GROUP; - +typedef struct ec_group_st EC_GROUP; typedef struct ec_point_st EC_POINT; +typedef struct ecpk_parameters_st ECPKPARAMETERS; +typedef struct ec_parameters_st ECPARAMETERS; /********************************************************************/ /* EC_METHODs for curves over GF(p) */ @@ -149,7 +80,6 @@ const EC_METHOD *EC_GFp_mont_method(void); const EC_METHOD *EC_GFp_nist_method(void); # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128 -# ifndef OPENSSL_SYS_WIN32 /** Returns 64-bit optimized methods for nistp224 * \return EC_METHOD object */ @@ -164,7 +94,6 @@ const EC_METHOD *EC_GFp_nistp256_method(void); * \return EC_METHOD object */ const EC_METHOD *EC_GFp_nistp521_method(void); -# endif # endif # ifndef OPENSSL_NO_EC2M @@ -244,27 +173,45 @@ const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); /** Returns the montgomery data for order(Generator) * \param group EC_GROUP object - * \return the currently used generator (possibly NULL). + * \return the currently used montgomery data (possibly NULL). */ BN_MONT_CTX *EC_GROUP_get_mont_data(const EC_GROUP *group); /** Gets the order of a EC_GROUP * \param group EC_GROUP object * \param order BIGNUM to which the order is copied - * \param ctx BN_CTX object (optional) + * \param ctx unused * \return 1 on success and 0 if an error occurred */ int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); +/** Gets the order of an EC_GROUP + * \param group EC_GROUP object + * \return the group order + */ +const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group); + +/** Gets the number of bits of the order of an EC_GROUP + * \param group EC_GROUP object + * \return number of bits of group order. + */ +int EC_GROUP_order_bits(const EC_GROUP *group); + /** Gets the cofactor of a EC_GROUP * \param group EC_GROUP object * \param cofactor BIGNUM to which the cofactor is copied - * \param ctx BN_CTX object (optional) + * \param ctx unused * \return 1 on success and 0 if an error occurred */ int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx); +/** Gets the cofactor of an EC_GROUP + * \param group EC_GROUP object + * \return the group cofactor + */ +const BIGNUM *EC_GROUP_get0_cofactor(const EC_GROUP *group); + /** Sets the name of a EC_GROUP object * \param group EC_GROUP object * \param nid NID of the curve name OID @@ -357,7 +304,7 @@ int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); * \param a first EC_GROUP object * \param b second EC_GROUP object * \param ctx BN_CTX object (optional) - * \return 0 if both groups are equal and 1 otherwise + * \return 0 if the groups are equal, 1 if not, or -1 on error */ int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); @@ -388,6 +335,7 @@ EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); # endif + /** Creates a EC_GROUP object with a curve specified by a NID * \param nid NID of the OID of the curve name * \return newly created EC_GROUP object with specified curve or NULL @@ -395,6 +343,38 @@ EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, */ EC_GROUP *EC_GROUP_new_by_curve_name(int nid); +/** Creates a new EC_GROUP object from an ECPARAMETERS object + * \param params pointer to the ECPARAMETERS object + * \return newly created EC_GROUP object with specified curve or NULL + * if an error occurred + */ +EC_GROUP *EC_GROUP_new_from_ecparameters(const ECPARAMETERS *params); + +/** Creates an ECPARAMETERS object for the the given EC_GROUP object. + * \param group pointer to the EC_GROUP object + * \param params pointer to an existing ECPARAMETERS object or NULL + * \return pointer to the new ECPARAMETERS object or NULL + * if an error occurred. + */ +ECPARAMETERS *EC_GROUP_get_ecparameters(const EC_GROUP *group, + ECPARAMETERS *params); + +/** Creates a new EC_GROUP object from an ECPKPARAMETERS object + * \param params pointer to an existing ECPKPARAMETERS object, or NULL + * \return newly created EC_GROUP object with specified curve, or NULL + * if an error occurred + */ +EC_GROUP *EC_GROUP_new_from_ecpkparameters(const ECPKPARAMETERS *params); + +/** Creates an ECPKPARAMETERS object for the the given EC_GROUP object. + * \param group pointer to the EC_GROUP object + * \param params pointer to an existing ECPKPARAMETERS object or NULL + * \return pointer to the new ECPKPARAMETERS object or NULL + * if an error occurred. + */ +ECPKPARAMETERS *EC_GROUP_get_ecpkparameters(const EC_GROUP *group, + ECPKPARAMETERS *params); + /********************************************************************/ /* handling of internal curves */ /********************************************************************/ @@ -406,7 +386,7 @@ typedef struct { /* * EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all - * available curves or zero if a error occurred. In case r ist not zero + * available curves or zero if a error occurred. In case r is not zero, * nitems EC_builtin_curve structures are filled with the data of the first * nitems internal groups */ @@ -588,6 +568,18 @@ size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, const unsigned char *buf, size_t len, BN_CTX *ctx); +/** Encodes an EC_POINT object to an allocated octet string + * \param group underlying EC_GROUP object + * \param point EC_POINT object + * \param form point conversion form + * \param pbuf returns pointer to allocated 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_point2buf(const EC_GROUP *group, const EC_POINT *point, + point_conversion_form_t form, + unsigned char **pbuf, 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 *); @@ -642,7 +634,7 @@ int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); * \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 + * \return 1 if the point is on the curve, 0 if not, or -1 on error */ int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx); @@ -652,7 +644,7 @@ int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, * \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 + * \return 1 if the points are not equal, 0 if they are, or -1 on error */ int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx); @@ -661,11 +653,11 @@ 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] +/** 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 num number further 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) @@ -704,6 +696,11 @@ int EC_GROUP_have_precompute_mult(const EC_GROUP *group); /* ASN1 stuff */ /********************************************************************/ +DECLARE_ASN1_ITEM(ECPKPARAMETERS) +DECLARE_ASN1_ALLOC_FUNCTIONS(ECPKPARAMETERS) +DECLARE_ASN1_ITEM(ECPARAMETERS) +DECLARE_ASN1_ALLOC_FUNCTIONS(ECPARAMETERS) + /* * EC_GROUP_get_basis_type() returns the NID of the basis type used to * represent the field elements @@ -718,8 +715,6 @@ int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, # define OPENSSL_EC_EXPLICIT_CURVE 0x000 # 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); @@ -739,9 +734,6 @@ int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); /* EC_KEY functions */ /********************************************************************/ -typedef struct ec_key_st EC_KEY; -typedef struct ec_key_method_st EC_KEY_METHOD; - /* some values for the encoding_flag */ # define EC_PKEY_NO_PARAMETERS 0x001 # define EC_PKEY_NO_PUBKEY 0x002 @@ -839,23 +831,12 @@ 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 *)); + +#define EC_KEY_get_ex_new_index(l, p, newf, dupf, freef) \ + CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_EC_KEY, l, p, newf, dupf, freef) +int EC_KEY_set_ex_data(EC_KEY *key, int idx, void *arg); +void *EC_KEY_get_ex_data(const EC_KEY *key, int idx); + /* wrapper functions for the underlying EC_GROUP object */ void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag); @@ -879,7 +860,13 @@ int EC_KEY_generate_key(EC_KEY *key); */ int EC_KEY_check_key(const EC_KEY *key); -/** Sets a public key from affine coordindates performing +/** Indicates if an EC_KEY can be used for signing. + * \param eckey the EC_KEY object + * \return 1 if can can sign and 0 otherwise. + */ +int EC_KEY_can_sign(const EC_KEY *eckey); + +/** Sets a public key from affine coordinates performing * necessary NIST PKV tests. * \param key the EC_KEY object * \param x public key x coordinate @@ -889,6 +876,53 @@ int EC_KEY_check_key(const EC_KEY *key); int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y); +/** Encodes an EC_KEY public key to an allocated octet string + * \param key key to encode + * \param form point conversion form + * \param pbuf returns pointer to allocated buffer + * \param ctx BN_CTX object (optional) + * \return the length of the encoded octet string or 0 if an error occurred + */ +size_t EC_KEY_key2buf(const EC_KEY *key, point_conversion_form_t form, + unsigned char **pbuf, BN_CTX *ctx); + +/** Decodes a EC_KEY public key from a octet string + * \param key key to decode + * \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 occurred + */ + +int EC_KEY_oct2key(EC_KEY *key, const unsigned char *buf, size_t len, + BN_CTX *ctx); + +/** Decodes an EC_KEY private key from an octet string + * \param key key to decode + * \param buf memory buffer with the encoded private key + * \param len length of the encoded key + * \return 1 on success and 0 if an error occurred + */ + +int EC_KEY_oct2priv(EC_KEY *key, const unsigned char *buf, size_t len); + +/** Encodes a EC_KEY private key to an octet string + * \param key key to encode + * \param buf memory buffer for the result. If NULL the function returns + * required buffer size. + * \param len length of the memory buffer + * \return the length of the encoded octet string or 0 if an error occurred + */ + +size_t EC_KEY_priv2oct(const EC_KEY *key, unsigned char *buf, size_t len); + +/** Encodes an EC_KEY private key to an allocated octet string + * \param eckey key to encode + * \param pbuf returns pointer to allocated buffer + * \return the length of the encoded octet string or 0 if an error occurred + */ +size_t EC_KEY_priv2buf(const EC_KEY *eckey, unsigned char **pbuf); + /********************************************************************/ /* de- and encoding functions for SEC1 ECPrivateKey */ /********************************************************************/ @@ -950,7 +984,7 @@ EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); * of bytes needed). * \return 1 on success and 0 if an error occurred */ -int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); +int i2o_ECPublicKey(const EC_KEY *key, unsigned char **out); /** Prints out the ec parameters on human readable form. * \param bp BIO object to which the information is printed @@ -988,6 +1022,8 @@ int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); const EC_KEY_METHOD *EC_KEY_OpenSSL(void); const EC_KEY_METHOD *EC_KEY_get_default_method(void); void EC_KEY_set_default_method(const EC_KEY_METHOD *meth); +const EC_KEY_METHOD *EC_KEY_get_method(const EC_KEY *key); +int EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth); EC_KEY *EC_KEY_new_method(ENGINE *engine); int ECDH_KDF_X9_62(unsigned char *out, size_t outlen, @@ -996,11 +1032,241 @@ int ECDH_KDF_X9_62(unsigned char *out, size_t outlen, const EVP_MD *md); int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, - EC_KEY *ecdh, void *(*KDF) (const void *in, size_t inlen, - void *out, size_t *outlen)); + const EC_KEY *ecdh, + void *(*KDF) (const void *in, size_t inlen, + void *out, size_t *outlen)); typedef struct ECDSA_SIG_st ECDSA_SIG; +/** Allocates and initialize a ECDSA_SIG structure + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred + */ +ECDSA_SIG *ECDSA_SIG_new(void); + +/** frees a ECDSA_SIG structure + * \param sig pointer to the ECDSA_SIG structure + */ +void ECDSA_SIG_free(ECDSA_SIG *sig); + +/** DER encode content of ECDSA_SIG object (note: this function modifies *pp + * (*pp += length of the DER encoded signature)). + * \param sig pointer to the ECDSA_SIG object + * \param pp pointer to a unsigned char pointer for the output or NULL + * \return the length of the DER encoded ECDSA_SIG object or 0 + */ +int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); + +/** Decodes a DER encoded ECDSA signature (note: this function changes *pp + * (*pp += len)). + * \param sig pointer to ECDSA_SIG pointer (may be NULL) + * \param pp memory buffer with the DER encoded signature + * \param len length of the buffer + * \return pointer to the decoded ECDSA_SIG structure (or NULL) + */ +ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); + +/** Accessor for r and s fields of ECDSA_SIG + * \param sig pointer to ECDSA_SIG pointer + * \param pr pointer to BIGNUM pointer for r (may be NULL) + * \param ps pointer to BIGNUM pointer for s (may be NULL) + */ +void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps); + +/** Setter for r and s fields of ECDSA_SIG + * \param sig pointer to ECDSA_SIG pointer + * \param r pointer to BIGNUM for r (may be NULL) + * \param s pointer to BIGNUM for s (may be NULL) + */ +int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s); + +/** Computes the ECDSA signature of the given hash value using + * the supplied private key and returns the created signature. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred + */ +ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len, + EC_KEY *eckey); + +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param kinv BIGNUM with a pre-computed inverse k (optional) + * \param rp BIGNUM with a pre-computed rp value (optional), + * see ECDSA_sign_setup + * \param eckey EC_KEY object containing a private EC key + * \return pointer to a ECDSA_SIG structure or NULL if an error occurred + */ +ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen, + const BIGNUM *kinv, const BIGNUM *rp, + EC_KEY *eckey); + +/** Verifies that the supplied signature is a valid ECDSA + * signature of the supplied hash value using the supplied public key. + * \param dgst pointer to the hash value + * \param dgst_len length of the hash value + * \param sig ECDSA_SIG structure + * \param eckey EC_KEY object containing a public EC key + * \return 1 if the signature is valid, 0 if the signature is invalid + * and -1 on error + */ +int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey); + +/** Precompute parts of the signing operation + * \param eckey EC_KEY object containing a private EC key + * \param ctx BN_CTX object (optional) + * \param kinv BIGNUM pointer for the inverse of k + * \param rp BIGNUM pointer for x coordinate of k * generator + * \return 1 on success and 0 otherwise + */ +int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp); + +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param type this parameter is ignored + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param sig memory for the DER encoded created signature + * \param siglen pointer to the length of the returned signature + * \param eckey EC_KEY object containing a private EC key + * \return 1 on success and 0 otherwise + */ +int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen, + unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); + +/** Computes ECDSA signature of a given hash value using the supplied + * private key (note: sig must point to ECDSA_size(eckey) bytes of memory). + * \param type this parameter is ignored + * \param dgst pointer to the hash value to sign + * \param dgstlen length of the hash value + * \param sig buffer to hold the DER encoded signature + * \param siglen pointer to the length of the returned signature + * \param kinv BIGNUM with a pre-computed inverse k (optional) + * \param rp BIGNUM with a pre-computed rp value (optional), + * see ECDSA_sign_setup + * \param eckey EC_KEY object containing a private EC key + * \return 1 on success and 0 otherwise + */ +int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen, + unsigned char *sig, unsigned int *siglen, + const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey); + +/** Verifies that the given signature is valid ECDSA signature + * of the supplied hash value using the specified public key. + * \param type this parameter is ignored + * \param dgst pointer to the hash value + * \param dgstlen length of the hash value + * \param sig pointer to the DER encoded signature + * \param siglen length of the DER encoded signature + * \param eckey EC_KEY object containing a public EC key + * \return 1 if the signature is valid, 0 if the signature is invalid + * and -1 on error + */ +int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen, + const unsigned char *sig, int siglen, EC_KEY *eckey); + +/** Returns the maximum length of the DER encoded signature + * \param eckey EC_KEY object + * \return numbers of bytes required for the DER encoded signature + */ +int ECDSA_size(const EC_KEY *eckey); + +/********************************************************************/ +/* EC_KEY_METHOD constructors, destructors, writers and accessors */ +/********************************************************************/ + +EC_KEY_METHOD *EC_KEY_METHOD_new(const EC_KEY_METHOD *meth); +void EC_KEY_METHOD_free(EC_KEY_METHOD *meth); +void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth, + int (*init)(EC_KEY *key), + void (*finish)(EC_KEY *key), + int (*copy)(EC_KEY *dest, const EC_KEY *src), + int (*set_group)(EC_KEY *key, const EC_GROUP *grp), + int (*set_private)(EC_KEY *key, + const BIGNUM *priv_key), + int (*set_public)(EC_KEY *key, + const EC_POINT *pub_key)); + +void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth, + int (*keygen)(EC_KEY *key)); + +void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth, + int (*ckey)(unsigned char **psec, + size_t *pseclen, + const EC_POINT *pub_key, + const EC_KEY *ecdh)); + +void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth, + int (*sign)(int type, const unsigned char *dgst, + int dlen, unsigned char *sig, + unsigned int *siglen, + const BIGNUM *kinv, const BIGNUM *r, + EC_KEY *eckey), + int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in, + BIGNUM **kinvp, BIGNUM **rp), + ECDSA_SIG *(*sign_sig)(const unsigned char *dgst, + int dgst_len, + const BIGNUM *in_kinv, + const BIGNUM *in_r, + EC_KEY *eckey)); + +void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth, + int (*verify)(int type, const unsigned + char *dgst, int dgst_len, + const unsigned char *sigbuf, + int sig_len, EC_KEY *eckey), + int (*verify_sig)(const unsigned char *dgst, + int dgst_len, + const ECDSA_SIG *sig, + EC_KEY *eckey)); + +void EC_KEY_METHOD_get_init(const EC_KEY_METHOD *meth, + int (**pinit)(EC_KEY *key), + void (**pfinish)(EC_KEY *key), + int (**pcopy)(EC_KEY *dest, const EC_KEY *src), + int (**pset_group)(EC_KEY *key, + const EC_GROUP *grp), + int (**pset_private)(EC_KEY *key, + const BIGNUM *priv_key), + int (**pset_public)(EC_KEY *key, + const EC_POINT *pub_key)); + +void EC_KEY_METHOD_get_keygen(const EC_KEY_METHOD *meth, + int (**pkeygen)(EC_KEY *key)); + +void EC_KEY_METHOD_get_compute_key(const EC_KEY_METHOD *meth, + int (**pck)(unsigned char **psec, + size_t *pseclen, + const EC_POINT *pub_key, + const EC_KEY *ecdh)); + +void EC_KEY_METHOD_get_sign(const EC_KEY_METHOD *meth, + int (**psign)(int type, const unsigned char *dgst, + int dlen, unsigned char *sig, + unsigned int *siglen, + const BIGNUM *kinv, const BIGNUM *r, + EC_KEY *eckey), + int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in, + BIGNUM **kinvp, BIGNUM **rp), + ECDSA_SIG *(**psign_sig)(const unsigned char *dgst, + int dgst_len, + const BIGNUM *in_kinv, + const BIGNUM *in_r, + EC_KEY *eckey)); + +void EC_KEY_METHOD_get_verify(const EC_KEY_METHOD *meth, + int (**pverify)(int type, const unsigned + char *dgst, int dgst_len, + const unsigned char *sigbuf, + int sig_len, EC_KEY *eckey), + int (**pverify_sig)(const unsigned char *dgst, + int dgst_len, + const ECDSA_SIG *sig, + EC_KEY *eckey)); + # define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) # ifndef __cplusplus @@ -1090,13 +1356,13 @@ typedef struct ECDSA_SIG_st ECDSA_SIG; * The following lines are auto generated by the script mkerr.pl. Any changes * made after this point may be overwritten when the script is next run. */ -void ERR_load_EC_strings(void); + +int ERR_load_EC_strings(void); /* Error codes for the EC functions. */ /* Function codes. */ # define EC_F_BN_TO_FELEM 224 -# define EC_F_COMPUTE_WNAF 143 # define EC_F_D2I_ECPARAMETERS 144 # define EC_F_D2I_ECPKPARAMETERS 145 # define EC_F_D2I_ECPRIVATEKEY 146 @@ -1104,6 +1370,13 @@ void ERR_load_EC_strings(void); # define EC_F_ECDH_CMS_DECRYPT 238 # define EC_F_ECDH_CMS_SET_SHARED_INFO 239 # define EC_F_ECDH_COMPUTE_KEY 246 +# define EC_F_ECDH_SIMPLE_COMPUTE_KEY 257 +# define EC_F_ECDSA_DO_SIGN_EX 251 +# define EC_F_ECDSA_DO_VERIFY 252 +# define EC_F_ECDSA_SIGN_EX 254 +# define EC_F_ECDSA_SIGN_SETUP 248 +# define EC_F_ECDSA_SIG_NEW 265 +# define EC_F_ECDSA_VERIFY 253 # define EC_F_ECKEY_PARAM2TYPE 223 # define EC_F_ECKEY_PARAM_DECODE 212 # define EC_F_ECKEY_PRIV_DECODE 213 @@ -1120,18 +1393,13 @@ void ERR_load_EC_strings(void); # define EC_F_ECP_NISTZ256_POINTS_MUL 241 # define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244 # define EC_F_ECP_NISTZ256_WINDOWED_MUL 242 -# define EC_F_ECP_NIST_MOD_192 203 -# define EC_F_ECP_NIST_MOD_224 204 -# define EC_F_ECP_NIST_MOD_256 205 -# define EC_F_ECP_NIST_MOD_521 206 +# define EC_F_ECX_KEY_OP 266 +# define EC_F_ECX_PRIV_ENCODE 267 +# define EC_F_ECX_PUB_ENCODE 268 # define EC_F_EC_ASN1_GROUP2CURVE 153 # define EC_F_EC_ASN1_GROUP2FIELDID 154 -# define EC_F_EC_ASN1_GROUP2PARAMETERS 155 -# define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 -# define EC_F_EC_ASN1_PARAMETERS2GROUP 157 -# define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 -# define EC_F_EC_EX_DATA_SET_DATA 211 # define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 +# define EC_F_EC_GF2M_SIMPLE_FIELD_INV 296 # define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 # define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 # define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 @@ -1141,11 +1409,11 @@ void ERR_load_EC_strings(void); # define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 # define EC_F_EC_GFP_MONT_FIELD_DECODE 133 # define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 +# define EC_F_EC_GFP_MONT_FIELD_INV 297 # define EC_F_EC_GFP_MONT_FIELD_MUL 131 # define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 # define EC_F_EC_GFP_MONT_FIELD_SQR 132 # define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 -# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 # define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225 # define EC_F_EC_GFP_NISTP224_POINTS_MUL 228 # define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226 @@ -1158,47 +1426,48 @@ void ERR_load_EC_strings(void); # define EC_F_EC_GFP_NIST_FIELD_MUL 200 # define EC_F_EC_GFP_NIST_FIELD_SQR 201 # define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 +# define EC_F_EC_GFP_SIMPLE_BLIND_COORDINATES 287 +# define EC_F_EC_GFP_SIMPLE_FIELD_INV 298 # define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 # define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 -# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 -# define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 # define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 # define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 # define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 # define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 # define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 -# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 # define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 -# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 # define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 -# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 # define EC_F_EC_GROUP_CHECK 170 # define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 # define EC_F_EC_GROUP_COPY 106 -# define EC_F_EC_GROUP_GET0_GENERATOR 139 -# define EC_F_EC_GROUP_GET_COFACTOR 140 # define EC_F_EC_GROUP_GET_CURVE_GF2M 172 # define EC_F_EC_GROUP_GET_CURVE_GFP 130 # define EC_F_EC_GROUP_GET_DEGREE 173 -# define EC_F_EC_GROUP_GET_ORDER 141 +# define EC_F_EC_GROUP_GET_ECPARAMETERS 261 +# define EC_F_EC_GROUP_GET_ECPKPARAMETERS 262 # define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 # define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 # define EC_F_EC_GROUP_NEW 108 # define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 # define EC_F_EC_GROUP_NEW_FROM_DATA 175 -# define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 +# define EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS 263 +# define EC_F_EC_GROUP_NEW_FROM_ECPKPARAMETERS 264 # define EC_F_EC_GROUP_SET_CURVE_GF2M 176 # define EC_F_EC_GROUP_SET_CURVE_GFP 109 -# define EC_F_EC_GROUP_SET_EXTRA_DATA 110 # define EC_F_EC_GROUP_SET_GENERATOR 111 # define EC_F_EC_KEY_CHECK_KEY 177 # define EC_F_EC_KEY_COPY 178 # define EC_F_EC_KEY_GENERATE_KEY 179 # define EC_F_EC_KEY_NEW 182 # define EC_F_EC_KEY_NEW_METHOD 245 +# define EC_F_EC_KEY_OCT2PRIV 255 # define EC_F_EC_KEY_PRINT 180 # define EC_F_EC_KEY_PRINT_FP 181 +# define EC_F_EC_KEY_PRIV2OCT 256 # define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229 +# define EC_F_EC_KEY_SIMPLE_CHECK_KEY 258 +# define EC_F_EC_KEY_SIMPLE_OCT2PRIV 259 +# define EC_F_EC_KEY_SIMPLE_PRIV2OCT 260 # define EC_F_EC_POINTS_MAKE_AFFINE 136 # define EC_F_EC_POINT_ADD 112 # define EC_F_EC_POINT_CMP 113 @@ -1211,7 +1480,6 @@ void ERR_load_EC_strings(void); # define EC_F_EC_POINT_IS_AT_INFINITY 118 # define EC_F_EC_POINT_IS_ON_CURVE 119 # define EC_F_EC_POINT_MAKE_AFFINE 120 -# define EC_F_EC_POINT_MUL 184 # define EC_F_EC_POINT_NEW 121 # define EC_F_EC_POINT_OCT2POINT 122 # define EC_F_EC_POINT_POINT2OCT 123 @@ -1221,7 +1489,6 @@ void ERR_load_EC_strings(void); # define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 # define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 # define EC_F_EC_POINT_SET_TO_INFINITY 127 -# define EC_F_EC_PRE_COMP_DUP 207 # define EC_F_EC_PRE_COMP_NEW 196 # define EC_F_EC_WNAF_MUL 187 # define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 @@ -1235,6 +1502,9 @@ void ERR_load_EC_strings(void); # define EC_F_O2I_ECPUBLICKEY 152 # define EC_F_OLD_EC_PRIV_DECODE 222 # define EC_F_OSSL_ECDH_COMPUTE_KEY 247 +# define EC_F_OSSL_ECDSA_SIGN_SIG 249 +# define EC_F_OSSL_ECDSA_VERIFY_SIG 250 +# define EC_F_PKEY_ECX_DERIVE 269 # define EC_F_PKEY_EC_CTRL 197 # define EC_F_PKEY_EC_CTRL_STR 198 # define EC_F_PKEY_EC_DERIVE 217 @@ -1244,10 +1514,13 @@ void ERR_load_EC_strings(void); /* Reason codes. */ # define EC_R_ASN1_ERROR 115 -# define EC_R_ASN1_UNKNOWN_FIELD 116 +# define EC_R_BAD_SIGNATURE 156 # define EC_R_BIGNUM_OUT_OF_RANGE 144 # define EC_R_BUFFER_TOO_SMALL 100 +# define EC_R_CANNOT_INVERT 165 # define EC_R_COORDINATES_OUT_OF_RANGE 146 +# define EC_R_CURVE_DOES_NOT_SUPPORT_ECDH 160 +# define EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING 159 # define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 # define EC_R_DECODE_ERROR 142 # define EC_R_DISCRIMINANT_IS_ZERO 118 @@ -1267,19 +1540,20 @@ void ERR_load_EC_strings(void); # define EC_R_INVALID_FIELD 103 # define EC_R_INVALID_FORM 104 # define EC_R_INVALID_GROUP_ORDER 122 +# define EC_R_INVALID_KEY 116 +# define EC_R_INVALID_OUTPUT_LENGTH 161 +# define EC_R_INVALID_PEER_KEY 133 # define EC_R_INVALID_PENTANOMIAL_BASIS 132 # define EC_R_INVALID_PRIVATE_KEY 123 # define EC_R_INVALID_TRINOMIAL_BASIS 137 -# define EC_R_KDF_FAILED 153 # define EC_R_KDF_PARAMETER_ERROR 148 # define EC_R_KEYS_NOT_SET 140 # define EC_R_MISSING_PARAMETERS 124 # define EC_R_MISSING_PRIVATE_KEY 125 +# define EC_R_NEED_NEW_SETUP_VALUES 157 # 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_NO_PRIVATE_VALUE 154 # define EC_R_OPERATION_NOT_SUPPORTED 152 @@ -1289,17 +1563,20 @@ void ERR_load_EC_strings(void); # define EC_R_POINT_ARITHMETIC_FAILURE 155 # define EC_R_POINT_AT_INFINITY 106 # define EC_R_POINT_IS_NOT_ON_CURVE 107 +# define EC_R_RANDOM_NUMBER_GENERATION_FAILED 158 # define EC_R_SHARED_INFO_ERROR 150 # define EC_R_SLOT_FULL 108 # define EC_R_UNDEFINED_GENERATOR 113 # define EC_R_UNDEFINED_ORDER 128 +# define EC_R_UNKNOWN_COFACTOR 164 # 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 -#ifdef __cplusplus +# ifdef __cplusplus } -#endif +# endif +# endif #endif