include/openssl/ecdsa.h

82 	} ECDSA_SIG;
84 /** Allocates and initialize a ECDSA_SIG structure
85  *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
87 ECDSA_SIG *ECDSA_SIG_new(void);
89 /** frees a ECDSA_SIG structure
90  *  \param  sig  pointer to the ECDSA_SIG structure
92 void	  ECDSA_SIG_free(ECDSA_SIG *sig);
94 /** DER encode content of ECDSA_SIG object (note: this function modifies *pp
96  *  \param  sig  pointer to the ECDSA_SIG object
98  *  \return the length of the DER encoded ECDSA_SIG object or 0
100 int	  i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
104  *  \param  sig  pointer to ECDSA_SIG pointer (may be NULL)
107  *  \return pointer to the decoded ECDSA_SIG structure (or NULL)
109 ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
116  *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
118 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
128  *  \return pointer to a ECDSA_SIG structure or NULL if an error occurred
130 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
137  *  \param  sig       ECDSA_SIG structure
143 		const ECDSA_SIG *sig, EC_KEY* eckey);