-#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;
-
-/** 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
- */
-ECDSA_SIG *ECDSA_SIG_new(void);
-
-/** ECDSA_SIG_free
- * frees a ECDSA_SIG structure
- * \param a 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
- */
-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)
- */
-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 *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_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
- */
-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
- */
-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
- */
-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
- */
-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
- */
-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_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(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_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_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);
-
-
-/* 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_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_RANDOM_NUMBER_GENERATION_FAILED 104
-#define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
-
-#ifdef __cplusplus
-}
-#endif
-#endif