| DSA_set_method.3 (206048) | DSA_set_method.3 (215698) |
|---|---|
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| 132.TH DSA_set_method 3 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH DSA_set_method 3 "2010-11-16" "0.9.8p" "OpenSSL" 128.\" For nroff, turn off justification. Always turn off hyphenation; it makes 129.\" way too many mistakes in technical documents. 130.if n .ad l 131.nh |
| 133.SH "NAME" 134DSA_set_default_method, DSA_get_default_method, 135DSA_set_method, DSA_new_method, DSA_OpenSSL \- select DSA method 136.SH "SYNOPSIS" 137.IX Header "SYNOPSIS" 138.Vb 2 139\& #include <openssl/dsa.h> 140\& #include <openssl/engine.h> | 132.SH "NAME" 133DSA_set_default_method, DSA_get_default_method, 134DSA_set_method, DSA_new_method, DSA_OpenSSL \- select DSA method 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 2 138\& #include <openssl/dsa.h> 139\& #include <openssl/engine.h> |
| 141.Ve 142.PP 143.Vb 1 | 140\& |
| 144\& void DSA_set_default_method(const DSA_METHOD *meth); | 141\& void DSA_set_default_method(const DSA_METHOD *meth); |
| 145.Ve 146.PP 147.Vb 1 | 142\& |
| 148\& const DSA_METHOD *DSA_get_default_method(void); | 143\& const DSA_METHOD *DSA_get_default_method(void); |
| 149.Ve 150.PP 151.Vb 1 | 144\& |
| 152\& int DSA_set_method(DSA *dsa, const DSA_METHOD *meth); | 145\& int DSA_set_method(DSA *dsa, const DSA_METHOD *meth); |
| 153.Ve 154.PP 155.Vb 1 | 146\& |
| 156\& DSA *DSA_new_method(ENGINE *engine); | 147\& DSA *DSA_new_method(ENGINE *engine); |
| 157.Ve 158.PP 159.Vb 1 | 148\& |
| 160\& DSA_METHOD *DSA_OpenSSL(void); 161.Ve 162.SH "DESCRIPTION" 163.IX Header "DESCRIPTION" 164A \fB\s-1DSA_METHOD\s0\fR specifies the functions that OpenSSL uses for \s-1DSA\s0 165operations. By modifying the method, alternative implementations 166such as hardware accelerators may be used. \s-1IMPORTANT:\s0 See the \s-1NOTES\s0 section for 167important information about how these \s-1DSA\s0 \s-1API\s0 functions are affected by the use --- 30 unchanged lines hidden (view full) --- 198 { 199 /* name of the implementation */ 200 const char *name; 201.PP 202.Vb 3 203\& /* sign */ 204\& DSA_SIG *(*dsa_do_sign)(const unsigned char *dgst, int dlen, 205\& DSA *dsa); | 149\& DSA_METHOD *DSA_OpenSSL(void); 150.Ve 151.SH "DESCRIPTION" 152.IX Header "DESCRIPTION" 153A \fB\s-1DSA_METHOD\s0\fR specifies the functions that OpenSSL uses for \s-1DSA\s0 154operations. By modifying the method, alternative implementations 155such as hardware accelerators may be used. \s-1IMPORTANT:\s0 See the \s-1NOTES\s0 section for 156important information about how these \s-1DSA\s0 \s-1API\s0 functions are affected by the use --- 30 unchanged lines hidden (view full) --- 187 { 188 /* name of the implementation */ 189 const char *name; 190.PP 191.Vb 3 192\& /* sign */ 193\& DSA_SIG *(*dsa_do_sign)(const unsigned char *dgst, int dlen, 194\& DSA *dsa); |
| 206.Ve 207.PP 208.Vb 3 209\& /* pre-compute k^-1 and r */ | 195\& 196\& /* pre\-compute k^\-1 and r */ |
| 210\& int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, 211\& BIGNUM **rp); | 197\& int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, 198\& BIGNUM **rp); |
| 212.Ve 213.PP 214.Vb 3 | 199\& |
| 215\& /* verify */ 216\& int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len, 217\& DSA_SIG *sig, DSA *dsa); | 200\& /* verify */ 201\& int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len, 202\& DSA_SIG *sig, DSA *dsa); |
| 218.Ve 219.PP 220.Vb 5 | 203\& |
| 221\& /* compute rr = a1^p1 * a2^p2 mod m (May be NULL for some 222\& implementations) */ 223\& int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, 224\& BIGNUM *a2, BIGNUM *p2, BIGNUM *m, 225\& BN_CTX *ctx, BN_MONT_CTX *in_mont); | 204\& /* compute rr = a1^p1 * a2^p2 mod m (May be NULL for some 205\& implementations) */ 206\& int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1, 207\& BIGNUM *a2, BIGNUM *p2, BIGNUM *m, 208\& BN_CTX *ctx, BN_MONT_CTX *in_mont); |
| 226.Ve 227.PP 228.Vb 4 | 209\& |
| 229\& /* compute r = a ^ p mod m (May be NULL for some implementations) */ 230\& int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, 231\& const BIGNUM *p, const BIGNUM *m, 232\& BN_CTX *ctx, BN_MONT_CTX *m_ctx); | 210\& /* compute r = a ^ p mod m (May be NULL for some implementations) */ 211\& int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, 212\& const BIGNUM *p, const BIGNUM *m, 213\& BN_CTX *ctx, BN_MONT_CTX *m_ctx); |
| 233.Ve 234.PP 235.Vb 2 | 214\& |
| 236\& /* called at DSA_new */ 237\& int (*init)(DSA *DSA); | 215\& /* called at DSA_new */ 216\& int (*init)(DSA *DSA); |
| 238.Ve 239.PP 240.Vb 2 | 217\& |
| 241\& /* called at DSA_free */ 242\& int (*finish)(DSA *DSA); | 218\& /* called at DSA_free */ 219\& int (*finish)(DSA *DSA); |
| 243.Ve 244.PP 245.Vb 1 | 220\& |
| 246\& int flags; | 221\& int flags; |
| 247.Ve 248.PP 249.Vb 1 | 222\& |
| 250\& char *app_data; /* ?? */ | 223\& char *app_data; /* ?? */ |
| 251.Ve 252.PP 253.Vb 1 | 224\& |
| 254\& } DSA_METHOD; 255.Ve 256.SH "RETURN VALUES" 257.IX Header "RETURN VALUES" 258\&\fIDSA_OpenSSL()\fR and \fIDSA_get_default_method()\fR return pointers to the respective 259\&\fB\s-1DSA_METHOD\s0\fRs. 260.PP 261\&\fIDSA_set_default_method()\fR returns no value. --- 34 unchanged lines hidden --- | 225\& } DSA_METHOD; 226.Ve 227.SH "RETURN VALUES" 228.IX Header "RETURN VALUES" 229\&\fIDSA_OpenSSL()\fR and \fIDSA_get_default_method()\fR return pointers to the respective 230\&\fB\s-1DSA_METHOD\s0\fRs. 231.PP 232\&\fIDSA_set_default_method()\fR returns no value. --- 34 unchanged lines hidden --- |