mirror of
https://github.com/openssl/openssl.git
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267 lines
9.9 KiB
C
267 lines
9.9 KiB
C
/* crypto/ecdsa/ecdsa.h */
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/* ====================================================================
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* Copyright (c) 2000-2002 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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* licensing@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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#ifndef HEADER_ECDSA_H
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#define HEADER_ECDSA_H
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#ifdef OPENSSL_NO_ECDSA
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#error ECDSA is disabled.
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#endif
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#ifndef OPENSSL_NO_BIO
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#include <openssl/bio.h>
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#endif
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#include <openssl/bn.h>
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#include <openssl/ec.h>
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#include <openssl/crypto.h>
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#include <openssl/ossl_typ.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct ecdsa_st ECDSA;
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typedef struct ECDSA_SIG_st
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{
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BIGNUM *r;
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BIGNUM *s;
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} ECDSA_SIG;
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typedef struct ecdsa_method
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{
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const char *name;
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ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, ECDSA *ecdsa);
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int (*ecdsa_sign_setup)(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **r);
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int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, ECDSA_SIG *sig, ECDSA *ecdsa);
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int (*init)(ECDSA *ecdsa);
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int (*finish)(ECDSA *ecdsa);
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int flags;
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char *app_data;
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} ECDSA_METHOD;
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#define ECDSA_FLAG_NAMED_CURVE 1
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#define ECDSA_FLAG_IMPLICITLYCA 2
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struct ecdsa_st
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{
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int version;
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int write_params;
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EC_GROUP *group;
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EC_POINT *pub_key;
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BIGNUM *priv_key;
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BIGNUM *kinv; /* signing pre-calc */
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BIGNUM *r; /* signing pre-calc */
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unsigned char *seed; /* seed for curve generation */
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unsigned int seed_len;
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int parameter_flags;
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int references;
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int flags;
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CRYPTO_EX_DATA ex_data;
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const ECDSA_METHOD *meth;
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struct engine_st *engine;
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};
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ECDSA_SIG *ECDSA_SIG_new(void);
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void ECDSA_SIG_free(ECDSA_SIG *a);
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int i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp);
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ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long length);
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ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, const int dgst_len, ECDSA *ecdsa);
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int ECDSA_do_verify(const unsigned char *dgst, const int dgst_len, ECDSA_SIG *sig, ECDSA* ecdsa);
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int ECDSA_generate_key(ECDSA *ecdsa);
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int ECDSA_check_key(ECDSA *ecdsa);
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const ECDSA_METHOD *ECDSA_OpenSSL(void);
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void ECDSA_set_default_method(const ECDSA_METHOD *);
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const ECDSA_METHOD *ECDSA_get_default_openssl_method(void);
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int ECDSA_set_method(ECDSA *, const ECDSA_METHOD *);
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ECDSA *ECDSA_new();
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ECDSA *ECDSA_new_method(ENGINE *engine);
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int ECDSA_size(const ECDSA *);
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int ECDSA_sign_setup(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
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int ECDSA_sign(int type, const unsigned char *dgst, int dgst_len, unsigned char *sig,
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unsigned int *siglen, ECDSA *ecdsa);
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int ECDSA_verify(int type, const unsigned char *dgst, int dgst_len, const unsigned char *sig,
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const int sig_len, ECDSA *ecdsa);
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int ECDSA_up_ref(ECDSA *ecdsa);
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void ECDSA_free(ECDSA *a);
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int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
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CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
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int ECDSA_set_ex_data(ECDSA *d, int idx, void *arg);
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void *ECDSA_get_ex_data(ECDSA *d, int idx);
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#ifndef OPENSSL_NO_BIO
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int ECDSAParameters_print(BIO *bp, const ECDSA *x);
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int ECDSA_print(BIO *bp, const ECDSA *x, int off);
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#endif
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#ifndef OPENSSL_NO_FP_API
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int ECDSAParameters_print_fp(FILE *fp, const ECDSA *x);
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int ECDSA_print_fp(FILE *fp, const ECDSA *x, int off);
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#endif
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void ECDSA_set_parameter_flags(ECDSA *, int);
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int ECDSA_get_parameter_flags(const ECDSA*);
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/* the basic de- and encode functions ( see ecs_asn1.c ) */
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ECDSA *d2i_ECDSAParameters(ECDSA **a, const unsigned char **in, long len);
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int i2d_ECDSAParameters(ECDSA *a, unsigned char **out);
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ECDSA *d2i_ECDSAPrivateKey(ECDSA **a, const unsigned char **in, long len);
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int i2d_ECDSAPrivateKey(ECDSA *a, unsigned char **out);
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ECDSA *d2i_ECDSAPublicKey(ECDSA **a, const unsigned char **in, long len);
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int i2d_ECDSAPublicKey(ECDSA *a, unsigned char **out);
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#define ECDSAParameters_dup(x) (ECDSA *)ASN1_dup((int (*)())i2d_ECDSAParameters, \
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(char *(*)())d2i_ECDSAParameters,(char *)(x))
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#define d2i_ECDSAParameters_fp(fp,x) (ECDSA *)ASN1_d2i_fp((char *(*)())ECDSA_new, \
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(char *(*)())d2i_ECDSAParameters,(fp),(unsigned char **)(x))
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#define i2d_ECDSAParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECDSAParameters,(fp), \
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(unsigned char *)(x))
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#define d2i_ECDSAParameters_bio(bp,x) (ECDSA *)ASN1_d2i_bio((char *(*)())ECDSA_new, \
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(char *(*)())d2i_ECDSAParameters,(bp),(unsigned char **)(x))
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#define i2d_ECDSAParameters_bio(bp,x) ASN1_i2d_bio(i2d_ECDSAParameters,(bp), \
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(unsigned char *)(x))
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/* BEGIN ERROR CODES */
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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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/* Error codes for the ECDSA functions. */
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/* Function codes. */
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#define ECDSA_F_D2I_ECDSAPARAMETERS 100
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#define ECDSA_F_D2I_ECDSAPRIVATEKEY 101
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#define ECDSA_F_ECDSAPARAMETERS_PRINT 102
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#define ECDSA_F_ECDSAPARAMETERS_PRINT_FP 103
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#define ECDSA_F_ECDSA_DO_SIGN 104
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#define ECDSA_F_ECDSA_DO_VERIFY 105
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#define ECDSA_F_ECDSA_GENERATE_KEY 106
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#define ECDSA_F_ECDSA_GET 107
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#define ECDSA_F_ECDSA_GET_CURVE_NID 120
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#define ECDSA_F_ECDSA_GET_ECDSA 121
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#define ECDSA_F_ECDSA_GET_EC_PARAMETERS 122
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#define ECDSA_F_ECDSA_GET_X9_62_CURVE 108
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#define ECDSA_F_ECDSA_GET_X9_62_EC_PARAMETERS 109
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#define ECDSA_F_ECDSA_GET_X9_62_FIELDID 110
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#define ECDSA_F_ECDSA_NEW 111
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#define ECDSA_F_ECDSA_PRINT 112
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#define ECDSA_F_ECDSA_PRINT_FP 113
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#define ECDSA_F_ECDSA_SET_GROUP_P 114
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#define ECDSA_F_ECDSA_SET_PRIME_GROUP 123
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#define ECDSA_F_ECDSA_SIGN_SETUP 115
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#define ECDSA_F_I2D_ECDSAPARAMETERS 116
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#define ECDSA_F_I2D_ECDSAPRIVATEKEY 117
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#define ECDSA_F_I2D_ECDSAPUBLICKEY 118
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#define ECDSA_F_SIG_CB 119
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/* Reason codes. */
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#define ECDSA_R_BAD_SIGNATURE 100
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#define ECDSA_R_CAN_NOT_GET_GENERATOR 101
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#define ECDSA_R_D2I_ECDSAPRIVATEKEY_MISSING_PRIVATE_KEY 102
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#define ECDSA_R_D2I_ECDSA_PRIVATEKEY_FAILURE 103
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#define ECDSA_R_D2I_EC_PARAMETERS_FAILURE 133
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#define ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE 104
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#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 105
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#define ECDSA_R_ECDSAPRIVATEKEY_NEW_FAILURE 106
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#define ECDSA_R_ECDSA_F_ECDSA_NEW 107
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#define ECDSA_R_ECDSA_GET_EC_PARAMETERS_FAILURE 134
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#define ECDSA_R_ECDSA_GET_FAILURE 108
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#define ECDSA_R_ECDSA_GET_X9_62_CURVE_FAILURE 109
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#define ECDSA_R_ECDSA_GET_X9_62_EC_PARAMETERS_FAILURE 110
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#define ECDSA_R_ECDSA_GET_X9_62_FIELDID_FAILURE 111
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#define ECDSA_R_ECDSA_NEW_FAILURE 112
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#define ECDSA_R_ECDSA_R_D2I_EC_PARAMETERS_FAILURE 135
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#define ECDSA_R_ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE 113
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#define ECDSA_R_ECPARAMETERS2ECDSA_FAILURE 138
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#define ECDSA_R_EC_GROUP_NID2CURVE_FAILURE 136
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#define ECDSA_R_ERR_EC_LIB 114
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#define ECDSA_R_I2D_ECDSA_PRIVATEKEY 115
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#define ECDSA_R_I2D_ECDSA_PUBLICKEY 116
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#define ECDSA_R_MISSING_PARAMETERS 117
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#define ECDSA_R_NOT_SUPPORTED 118
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#define ECDSA_R_NO_CURVE_PARAMETER_A_SPECIFIED 119
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#define ECDSA_R_NO_CURVE_PARAMETER_B_SPECIFIED 120
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#define ECDSA_R_NO_CURVE_SPECIFIED 121
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#define ECDSA_R_NO_FIELD_SPECIFIED 122
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#define ECDSA_R_PRIME_MISSING 123
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#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 124
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#define ECDSA_R_SIGNATURE_MALLOC_FAILED 125
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#define ECDSA_R_UNEXPECTED_ASN1_TYPE 126
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#define ECDSA_R_UNEXPECTED_PARAMETER 127
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#define ECDSA_R_UNEXPECTED_PARAMETER_LENGTH 128
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#define ECDSA_R_UNEXPECTED_VERSION_NUMER 129
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#define ECDSA_R_UNKNOWN_PARAMETERS_TYPE 137
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#define ECDSA_R_WRONG_FIELD_IDENTIFIER 130
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#define ECDSA_R_X9_62_CURVE_NEW_FAILURE 131
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#define ECDSA_R_X9_62_EC_PARAMETERS_NEW_FAILURE 132
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#ifdef __cplusplus
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}
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#endif
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#endif
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