LTKCPP-- LLRP Toolkit C Plus Plus Library
ecdsa.h
1 /* crypto/ecdsa/ecdsa.h */
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53  *
54  * This product includes cryptographic software written by Eric Young
55  * (eay@cryptsoft.com). This product includes software written by Tim
56  * Hudson (tjh@cryptsoft.com).
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58  */
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  BIGNUM *r;
80  BIGNUM *s;
81 } ECDSA_SIG;
82 
86 ECDSA_SIG *ECDSA_SIG_new(void);
87 
91 void ECDSA_SIG_free(ECDSA_SIG *sig);
92 
99 int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
100 
108 ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
109 
117 ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
118  EC_KEY *eckey);
119 
130 ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
131  const BIGNUM *kinv, const BIGNUM *rp,
132  EC_KEY *eckey);
133 
143 int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
144  const ECDSA_SIG *sig, EC_KEY *eckey);
145 
146 const ECDSA_METHOD *ECDSA_OpenSSL(void);
147 
151 void ECDSA_set_default_method(const ECDSA_METHOD *meth);
152 
156 const ECDSA_METHOD *ECDSA_get_default_method(void);
157 
163 int ECDSA_set_method(EC_KEY *eckey, const ECDSA_METHOD *meth);
164 
169 int ECDSA_size(const EC_KEY *eckey);
170 
178 int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, 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 
206 int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
207  unsigned char *sig, unsigned int *siglen,
208  const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
209 
221 int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
222  const unsigned char *sig, int siglen, EC_KEY *eckey);
223 
224 /* the standard ex_data functions */
225 int ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new
226  *new_func, CRYPTO_EX_dup *dup_func,
227  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 
236 ECDSA_METHOD *ECDSA_METHOD_new(ECDSA_METHOD *ecdsa_method);
237 
241 void ECDSA_METHOD_free(ECDSA_METHOD *ecdsa_method);
242 
248 void ECDSA_METHOD_set_app_data(ECDSA_METHOD *ecdsa_method, void *app);
249 
255 void *ECDSA_METHOD_get_app_data(ECDSA_METHOD *ecdsa_method);
256 
262 void ECDSA_METHOD_set_sign(ECDSA_METHOD *ecdsa_method,
263  ECDSA_SIG *(*ecdsa_do_sign) (const unsigned char
264  *dgst, int dgst_len,
265  const BIGNUM *inv,
266  const BIGNUM *rp,
267  EC_KEY *eckey));
268 
274 void ECDSA_METHOD_set_sign_setup(ECDSA_METHOD *ecdsa_method,
275  int (*ecdsa_sign_setup) (EC_KEY *eckey,
276  BN_CTX *ctx,
277  BIGNUM **kinv,
278  BIGNUM **r));
279 
285 void ECDSA_METHOD_set_verify(ECDSA_METHOD *ecdsa_method,
286  int (*ecdsa_do_verify) (const unsigned char
287  *dgst, int dgst_len,
288  const ECDSA_SIG *sig,
289  EC_KEY *eckey));
290 
291 void ECDSA_METHOD_set_flags(ECDSA_METHOD *ecdsa_method, int flags);
292 
298 void ECDSA_METHOD_set_name(ECDSA_METHOD *ecdsa_method, char *name);
299 
305 /* BEGIN ERROR CODES */
306 /*
307  * The following lines are auto generated by the script mkerr.pl. Any changes
308  * made after this point may be overwritten when the script is next run.
309  */
310 void ERR_load_ECDSA_strings(void);
311 
312 /* Error codes for the ECDSA functions. */
313 
314 /* Function codes. */
315 # define ECDSA_F_ECDSA_CHECK 104
316 # define ECDSA_F_ECDSA_DATA_NEW_METHOD 100
317 # define ECDSA_F_ECDSA_DO_SIGN 101
318 # define ECDSA_F_ECDSA_DO_VERIFY 102
319 # define ECDSA_F_ECDSA_METHOD_NEW 105
320 # define ECDSA_F_ECDSA_SIGN_SETUP 103
321 
322 /* Reason codes. */
323 # define ECDSA_R_BAD_SIGNATURE 100
324 # define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 101
325 # define ECDSA_R_ERR_EC_LIB 102
326 # define ECDSA_R_MISSING_PARAMETERS 103
327 # define ECDSA_R_NEED_NEW_SETUP_VALUES 106
328 # define ECDSA_R_NON_FIPS_METHOD 107
329 # define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED 104
330 # define ECDSA_R_SIGNATURE_MALLOC_FAILED 105
331 
332 #ifdef __cplusplus
333 }
334 #endif
335 #endif