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ecdsa.h
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1 /* crypto/ecdsa/ecdsa.h */
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59 #ifndef HEADER_ECDSA_H
60 #define HEADER_ECDSA_H
61 
62 #include <openssl/opensslconf.h>
63 
64 #ifdef OPENSSL_NO_ECDSA
65 #error ECDSA is disabled.
66 #endif
67 
68 #include <openssl/ec.h>
69 #include <openssl/ossl_typ.h>
70 #ifndef OPENSSL_NO_DEPRECATED
71 #include <openssl/bn.h>
72 #endif
73 
74 #ifdef __cplusplus
75 extern "C" {
76 #endif
77 
78 typedef struct ECDSA_SIG_st
79  {
80  BIGNUM *r;
81  BIGNUM *s;
82  } ECDSA_SIG;
83 
88 
92 void ECDSA_SIG_free(ECDSA_SIG *sig);
93 
100 int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
101 
109 ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
110 
118 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst,int dgst_len,EC_KEY *eckey);
119 
130 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
131  const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
132 
142 int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
143  const ECDSA_SIG *sig, EC_KEY* eckey);
144 
145 const ECDSA_METHOD *ECDSA_OpenSSL(void);
146 
150 void ECDSA_set_default_method(const ECDSA_METHOD *meth);
151 
156 
162 int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
163 
168 int ECDSA_size(const EC_KEY *eckey);
169 
177 int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv,
178  BIGNUM **rp);
179 
190 int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
191  unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
192 
193 
207 int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
208  unsigned char *sig, unsigned int *siglen, const BIGNUM *kinv,
209  const BIGNUM *rp, EC_KEY *eckey);
210 
222 int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
223  const unsigned char *sig, int siglen, EC_KEY *eckey);
224 
225 /* the standard ex_data functions */
226 int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
227  *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
228 int ECDSA_set_ex_data(EC_KEY *d, int idx, void *arg);
229 void *ECDSA_get_ex_data(EC_KEY *d, int idx);
230 
231 
232 /* BEGIN ERROR CODES */
233 /* The following lines are auto generated by the script mkerr.pl. Any changes
234  * made after this point may be overwritten when the script is next run.
235  */
236 void ERR_load_ECDSA_strings(void);
237 
238 /* Error codes for the ECDSA functions. */
239 
240 /* Function codes. */
241 #define ECDSA_F_ECDSA_CHECK 104
242 #define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
243 #define ECDSA_F_ECDSA_DO_SIGN 101
244 #define ECDSA_F_ECDSA_DO_VERIFY 102
245 #define ECDSA_F_ECDSA_SIGN_SETUP 103
246 
247 /* Reason codes. */
248 #define ECDSA_R_BAD_SIGNATURE 100
249 #define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
250 #define ECDSA_R_ERR_EC_LIB 102
251 #define ECDSA_R_MISSING_PARAMETERS 103
252 #define ECDSA_R_NEED_NEW_SETUP_VALUES 106
253 #define ECDSA_R_NON_FIPS_METHOD 107
254 #define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
255 #define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
256 
257 #ifdef __cplusplus
258 }
259 #endif
260 #endif