-/* 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_EC
-# error EC is disabled.
-# endif
-
-# include <openssl/ec.h>
-# include <openssl/ossl_typ.h>
-# ifdef OPENSSL_USE_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_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
-
-#ifdef __cplusplus
-}
-#endif
-#endif
+#include <openssl/ec.h>
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