diff options
Diffstat (limited to 'protocols/Telegram/tgl/openssl/include/openssl/ecdsa.h')
| -rw-r--r-- | protocols/Telegram/tgl/openssl/include/openssl/ecdsa.h | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/protocols/Telegram/tgl/openssl/include/openssl/ecdsa.h b/protocols/Telegram/tgl/openssl/include/openssl/ecdsa.h new file mode 100644 index 0000000000..c4016ac3e1 --- /dev/null +++ b/protocols/Telegram/tgl/openssl/include/openssl/ecdsa.h @@ -0,0 +1,335 @@ +/* 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(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 |