Loading crypto/ecdsa/ecdsa.h +90 −103 Original line number Diff line number Diff line Loading @@ -4,7 +4,7 @@ * \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 Loading Loading @@ -81,156 +81,143 @@ typedef struct ECDSA_SIG_st BIGNUM *s; } ECDSA_SIG; /** ECDSA_SIG *ECDSA_SIG_new(void) * allocates and initialize a ECDSA_SIG structure /** 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); void ECDSA_SIG_free(ECDSA_SIG *sig); /** i2d_ECDSA_SIG * DER encode content of ECDSA_SIG object (note: this function modifies *pp /** 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 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); int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); /** d2i_ECDSA_SIG * decodes a DER encoded ECDSA signature (note: this function changes *pp /** 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 * \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_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); /** ECDSA_do_sign * computes the ECDSA signature of the given hash value using /** 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 * \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 /** 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 * \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 /** 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 * \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); /** 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); /** ECDSA_get_default_method * returns the default ECDSA 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 /** 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); /** ECDSA_size * returns the maximum length of the DER encoded signature * \param eckey pointer to a EC_KEY object /** 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 /** 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 /** 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 sig memory for the DER encoded created signature * \param siglen pointer to the length of the returned signature * \param eckey pointer to the EC_KEY object containing a private EC key * \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 /** 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 * \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 /** 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 * \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); Loading Loading
crypto/ecdsa/ecdsa.h +90 −103 Original line number Diff line number Diff line Loading @@ -4,7 +4,7 @@ * \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 Loading Loading @@ -81,156 +81,143 @@ typedef struct ECDSA_SIG_st BIGNUM *s; } ECDSA_SIG; /** ECDSA_SIG *ECDSA_SIG_new(void) * allocates and initialize a ECDSA_SIG structure /** 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); void ECDSA_SIG_free(ECDSA_SIG *sig); /** i2d_ECDSA_SIG * DER encode content of ECDSA_SIG object (note: this function modifies *pp /** 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 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); int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp); /** d2i_ECDSA_SIG * decodes a DER encoded ECDSA signature (note: this function changes *pp /** 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 * \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_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len); /** ECDSA_do_sign * computes the ECDSA signature of the given hash value using /** 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 * \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 /** 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 * \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 /** 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 * \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); /** 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); /** ECDSA_get_default_method * returns the default ECDSA 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 /** 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); /** ECDSA_size * returns the maximum length of the DER encoded signature * \param eckey pointer to a EC_KEY object /** 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 /** 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 /** 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 sig memory for the DER encoded created signature * \param siglen pointer to the length of the returned signature * \param eckey pointer to the EC_KEY object containing a private EC key * \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 /** 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 * \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 /** 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 * \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); Loading
