diff options
Diffstat (limited to 'Cryptlib/Include/openssl/ecdsa.h')
| -rw-r--r-- | Cryptlib/Include/openssl/ecdsa.h | 388 |
1 files changed, 226 insertions, 162 deletions
diff --git a/Cryptlib/Include/openssl/ecdsa.h b/Cryptlib/Include/openssl/ecdsa.h index f20c8ee7..c4016ac3 100644 --- a/Cryptlib/Include/openssl/ecdsa.h +++ b/Cryptlib/Include/openssl/ecdsa.h @@ -4,14 +4,14 @@ * \author Written by Nils Larsch for the OpenSSL project */ /* ==================================================================== - * Copyright (c) 2000-2003 The OpenSSL Project. All rights reserved. + * 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. + * 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 @@ -57,193 +57,254 @@ * */ #ifndef HEADER_ECDSA_H -#define HEADER_ECDSA_H +# define HEADER_ECDSA_H -#include <openssl/opensslconf.h> +# include <openssl/opensslconf.h> -#ifdef OPENSSL_NO_ECDSA -#error ECDSA is disabled. -#endif +# 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 +# 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; +typedef struct ECDSA_SIG_st { + BIGNUM *r; + BIGNUM *s; +} ECDSA_SIG; -/** ECDSA_SIG *ECDSA_SIG_new(void) - * allocates and initialize a ECDSA_SIG structure - * \return pointer to a ECDSA_SIG structure or NULL if an error occurred +/** 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); -/** ECDSA_SIG_free - * frees a ECDSA_SIG structure - * \param a pointer to the ECDSA_SIG structure +/** frees a ECDSA_SIG structure + * \param sig pointer to the ECDSA_SIG structure */ -void ECDSA_SIG_free(ECDSA_SIG *a); - -/** i2d_ECDSA_SIG - * DER encode content of ECDSA_SIG object (note: this function modifies *pp - * (*pp += length of the DER encoded signature)). - * \param a 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 +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 *a, unsigned char **pp); - -/** d2i_ECDSA_SIG - * decodes a DER encoded ECDSA signature (note: this function changes *pp - * (*pp += len)). - * \param v pointer to ECDSA_SIG pointer (may be NULL) - * \param pp buffer with the DER encoded signature - * \param len bufferlength - * \return pointer to the decoded ECDSA_SIG structure (or NULL) +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 **v, const unsigned char **pp, long len); - -/** ECDSA_do_sign - * 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 pointer to the EC_KEY object containing a private EC key - * \return pointer to a 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); - -/** ECDSA_do_sign_ex - * 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 optional pointer to a pre-computed inverse k - * \param rp optional pointer to the pre-computed rp value (see - * ECDSA_sign_setup - * \param eckey pointer to the EC_KEY object containing a private EC key - * \return pointer to a ECDSA_SIG structure or NULL +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); - -/** ECDSA_do_verify - * 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 pointer to the ECDSA_SIG structure - * \param eckey pointer to the 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 +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); +int ECDSA_do_verify(const unsigned char *dgst, int dgst_len, + const ECDSA_SIG *sig, EC_KEY *eckey); const ECDSA_METHOD *ECDSA_OpenSSL(void); -/** ECDSA_set_default_method - * sets the default ECDSA method - * \param meth the new default ECDSA_METHOD +/** Sets the default ECDSA method + * \param meth new default ECDSA_METHOD */ -void ECDSA_set_default_method(const ECDSA_METHOD *meth); +void ECDSA_set_default_method(const ECDSA_METHOD *meth); -/** ECDSA_get_default_method - * returns the default ECDSA method - * \return pointer to ECDSA_METHOD structure containing the default method +/** Returns the default ECDSA method + * \return pointer to ECDSA_METHOD structure containing the default method */ const ECDSA_METHOD *ECDSA_get_default_method(void); -/** ECDSA_set_method - * sets method to be used for the ECDSA operations - * \param eckey pointer to the EC_KEY object - * \param meth pointer to the new method - * \return 1 on success and 0 otherwise +/** 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); +int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth); -/** ECDSA_size - * returns the maximum length of the DER encoded signature - * \param eckey pointer to a EC_KEY object - * \return numbers of bytes required for the DER encoded signature +/** 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); - -/** ECDSA_sign_setup - * precompute parts of the signing operation. - * \param eckey pointer to the EC_KEY object containing a private EC key - * \param ctx pointer to a BN_CTX object (may be NULL) - * \param kinv pointer to a BIGNUM pointer for the inverse of k - * \param rp pointer to a BIGNUM pointer for x coordinate of k * generator - * \return 1 on success and 0 otherwise +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); - -/** ECDSA_sign - * 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 eckey pointer to the EC_KEY object containing a private EC key - * \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); - - -/** ECDSA_sign_ex - * 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 optional pointer to a pre-computed inverse k - * \param rp optional pointer to the pre-computed rp value (see - * ECDSA_sign_setup - * \param eckey pointer to the 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); - -/** ECDSA_verify - * 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 pointer to the 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_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); +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); +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(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 +/* + * 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); @@ -251,19 +312,22 @@ void ERR_load_ECDSA_strings(void); /* Error codes for the ECDSA functions. */ /* Function codes. */ -#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_SIGN_SETUP 103 +# 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_RANDOM_NUMBER_GENERATION_FAILED 104 -#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105 +# 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 } |