diff options
Diffstat (limited to 'include/openssl/ecdsa.h')
| -rw-r--r-- | include/openssl/ecdsa.h | 336 |
1 files changed, 1 insertions, 335 deletions
diff --git a/include/openssl/ecdsa.h b/include/openssl/ecdsa.h index a6f0930f82..6a4a7b1676 100644 --- a/include/openssl/ecdsa.h +++ b/include/openssl/ecdsa.h @@ -1,335 +1 @@ -/* crypto/ecdsa/ecdsa.h */ -/** - * \file crypto/ecdsa/ecdsa.h Include file for the OpenSSL ECDSA functions - * \author Written by Nils Larsch for the OpenSSL project - */ -/* ==================================================================== - * Copyright (c) 2000-2005 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 - * licensing@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). - * - */ -#ifndef HEADER_ECDSA_H -# define HEADER_ECDSA_H - -# include <openssl/opensslconf.h> - -# ifdef OPENSSL_NO_ECDSA -# error ECDSA is disabled. -# endif - -# include <openssl/ec.h> -# include <openssl/ossl_typ.h> -# ifndef OPENSSL_NO_DEPRECATED -# include <openssl/bn.h> -# endif - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct ECDSA_SIG_st { - BIGNUM *r; - BIGNUM *s; -} 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); - -/** 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 (optioanl), - * 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); - -const ECDSA_METHOD *ECDSA_OpenSSL(void); - -/** Sets the default ECDSA method - * \param meth new default ECDSA_METHOD - */ -void ECDSA_set_default_method(const ECDSA_METHOD *meth); - -/** Returns the default ECDSA method - * \return pointer to ECDSA_METHOD structure containing the default method - */ -const ECDSA_METHOD *ECDSA_get_default_method(void); - -/** Sets method to be used for the ECDSA operations - * \param eckey EC_KEY object - * \param meth new method - * \return 1 on success and 0 otherwise - */ -int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); - -/** 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); - -/** 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 (optioanl), - * 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); - -/* the standard ex_data functions */ -int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new - *new_func, CRYPTO_EX_dup *dup_func, - CRYPTO_EX_free *free_func); -int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg); -void *ECDSA_get_ex_data(EC_KEY *d, int idx); - -/** Allocates and initialize a ECDSA_METHOD structure - * \param ecdsa_method pointer to ECDSA_METHOD to copy. (May be NULL) - * \return pointer to a ECDSA_METHOD structure or NULL if an error occurred - */ - -ECDSA_METHOD *ECDSA_METHOD_new(const ECDSA_METHOD *ecdsa_method); - -/** frees a ECDSA_METHOD structure - * \param ecdsa_method pointer to the ECDSA_METHOD structure - */ -void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method); - -/** Sets application specific data in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param app application specific data to set - */ - -void ECDSA_METHOD_set_app_data(ECDSA_METHOD *ecdsa_method, void *app); - -/** Returns application specific data from a ECDSA_METHOD structure - * \param ecdsa_method pointer to ECDSA_METHOD structure - * \return pointer to application specific data. - */ - -void *ECDSA_METHOD_get_app_data(ECDSA_METHOD *ecdsa_method); - -/** Set the ECDSA_do_sign function in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param ecdsa_do_sign a funtion of type ECDSA_do_sign - */ - -void ECDSA_METHOD_set_sign(ECDSA_METHOD *ecdsa_method, - ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char - *dgst, int dgst_len, - const BIGNUM *inv, - const BIGNUM *rp, - EC_KEY *eckey)); - -/** Set the ECDSA_sign_setup function in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param ecdsa_sign_setup a funtion of type ECDSA_sign_setup - */ - -void ECDSA_METHOD_set_sign_setup(ECDSA_METHOD *ecdsa_method, - int (*ecdsa_sign_setup) (EC_KEY *eckey, - BN_CTX *ctx, - BIGNUM **kinv, - BIGNUM **r)); - -/** Set the ECDSA_do_verify function in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param ecdsa_do_verify a funtion of type ECDSA_do_verify - */ - -void ECDSA_METHOD_set_verify(ECDSA_METHOD *ecdsa_method, - int (*ecdsa_do_verify) (const unsigned char - *dgst, int dgst_len, - const ECDSA_SIG *sig, - EC_KEY *eckey)); - -void ECDSA_METHOD_set_flags(ECDSA_METHOD *ecdsa_method, int flags); - -/** Set the flags field in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param flags flags value to set - */ - -void ECDSA_METHOD_set_name(ECDSA_METHOD *ecdsa_method, char *name); - -/** Set the name field in the ECDSA_METHOD - * \param ecdsa_method pointer to existing ECDSA_METHOD - * \param name name to set - */ - -/* BEGIN ERROR CODES */ -/* - * 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_ECDSA_strings(void); - -/* Error codes for the ECDSA functions. */ - -/* Function codes. */ -# define ECDSA_F_ECDSA_CHECK 104 -# define ECDSA_F_ECDSA_DATA_NEW_METHOD 100 -# define ECDSA_F_ECDSA_DO_SIGN 101 -# define ECDSA_F_ECDSA_DO_VERIFY 102 -# define ECDSA_F_ECDSA_METHOD_NEW 105 -# define ECDSA_F_ECDSA_SIGN_SETUP 103 - -/* Reason codes. */ -# define ECDSA_R_BAD_SIGNATURE 100 -# define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101 -# define ECDSA_R_ERR_EC_LIB 102 -# define ECDSA_R_MISSING_PARAMETERS 103 -# define ECDSA_R_NEED_NEW_SETUP_VALUES 106 -# define ECDSA_R_NON_FIPS_METHOD 107 -# define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104 -# define ECDSA_R_SIGNATURE_MALLOC_FAILED 105 - -#ifdef __cplusplus -} -#endif -#endif +#include <openssl/ec.h> |