| DH_set_method.3 (206048) | DH_set_method.3 (215698) |
|---|---|
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| 132.TH DH_set_method 3 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH DH_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" 134DH_set_default_method, DH_get_default_method, 135DH_set_method, DH_new_method, DH_OpenSSL \- select DH method 136.SH "SYNOPSIS" 137.IX Header "SYNOPSIS" 138.Vb 2 139\& #include <openssl/dh.h> 140\& #include <openssl/engine.h> | 132.SH "NAME" 133DH_set_default_method, DH_get_default_method, 134DH_set_method, DH_new_method, DH_OpenSSL \- select DH method 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 2 138\& #include <openssl/dh.h> 139\& #include <openssl/engine.h> |
| 141.Ve 142.PP 143.Vb 1 | 140\& |
| 144\& void DH_set_default_method(const DH_METHOD *meth); | 141\& void DH_set_default_method(const DH_METHOD *meth); |
| 145.Ve 146.PP 147.Vb 1 | 142\& |
| 148\& const DH_METHOD *DH_get_default_method(void); | 143\& const DH_METHOD *DH_get_default_method(void); |
| 149.Ve 150.PP 151.Vb 1 | 144\& |
| 152\& int DH_set_method(DH *dh, const DH_METHOD *meth); | 145\& int DH_set_method(DH *dh, const DH_METHOD *meth); |
| 153.Ve 154.PP 155.Vb 1 | 146\& |
| 156\& DH *DH_new_method(ENGINE *engine); | 147\& DH *DH_new_method(ENGINE *engine); |
| 157.Ve 158.PP 159.Vb 1 | 148\& |
| 160\& const DH_METHOD *DH_OpenSSL(void); 161.Ve 162.SH "DESCRIPTION" 163.IX Header "DESCRIPTION" 164A \fB\s-1DH_METHOD\s0\fR specifies the functions that OpenSSL uses for Diffie-Hellman 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-1DH\s0 \s-1API\s0 functions are affected by the use --- 24 unchanged lines hidden (view full) --- 192\&\fIDH_set_default_method()\fR is used. 193.SH "THE DH_METHOD STRUCTURE" 194.IX Header "THE DH_METHOD STRUCTURE" 195.Vb 4 196\& typedef struct dh_meth_st 197\& { 198\& /* name of the implementation */ 199\& const char *name; | 149\& const DH_METHOD *DH_OpenSSL(void); 150.Ve 151.SH "DESCRIPTION" 152.IX Header "DESCRIPTION" 153A \fB\s-1DH_METHOD\s0\fR specifies the functions that OpenSSL uses for Diffie-Hellman 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-1DH\s0 \s-1API\s0 functions are affected by the use --- 24 unchanged lines hidden (view full) --- 181\&\fIDH_set_default_method()\fR is used. 182.SH "THE DH_METHOD STRUCTURE" 183.IX Header "THE DH_METHOD STRUCTURE" 184.Vb 4 185\& typedef struct dh_meth_st 186\& { 187\& /* name of the implementation */ 188\& const char *name; |
| 200.Ve 201.PP 202.Vb 2 | 189\& |
| 203\& /* generate private and public DH values for key agreement */ 204\& int (*generate_key)(DH *dh); | 190\& /* generate private and public DH values for key agreement */ 191\& int (*generate_key)(DH *dh); |
| 205.Ve 206.PP 207.Vb 2 | 192\& |
| 208\& /* compute shared secret */ 209\& int (*compute_key)(unsigned char *key, BIGNUM *pub_key, DH *dh); | 193\& /* compute shared secret */ 194\& int (*compute_key)(unsigned char *key, BIGNUM *pub_key, DH *dh); |
| 210.Ve 211.PP 212.Vb 4 | 195\& |
| 213\& /* compute r = a ^ p mod m (May be NULL for some implementations) */ 214\& int (*bn_mod_exp)(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p, 215\& const BIGNUM *m, BN_CTX *ctx, 216\& BN_MONT_CTX *m_ctx); | 196\& /* compute r = a ^ p mod m (May be NULL for some implementations) */ 197\& int (*bn_mod_exp)(DH *dh, BIGNUM *r, BIGNUM *a, const BIGNUM *p, 198\& const BIGNUM *m, BN_CTX *ctx, 199\& BN_MONT_CTX *m_ctx); |
| 217.Ve 218.PP 219.Vb 2 | 200\& |
| 220\& /* called at DH_new */ 221\& int (*init)(DH *dh); | 201\& /* called at DH_new */ 202\& int (*init)(DH *dh); |
| 222.Ve 223.PP 224.Vb 2 | 203\& |
| 225\& /* called at DH_free */ 226\& int (*finish)(DH *dh); | 204\& /* called at DH_free */ 205\& int (*finish)(DH *dh); |
| 227.Ve 228.PP 229.Vb 1 | 206\& |
| 230\& int flags; | 207\& int flags; |
| 231.Ve 232.PP 233.Vb 1 | 208\& |
| 234\& char *app_data; /* ?? */ | 209\& char *app_data; /* ?? */ |
| 235.Ve 236.PP 237.Vb 1 | 210\& |
| 238\& } DH_METHOD; 239.Ve 240.SH "RETURN VALUES" 241.IX Header "RETURN VALUES" 242\&\fIDH_OpenSSL()\fR and \fIDH_get_default_method()\fR return pointers to the respective 243\&\fB\s-1DH_METHOD\s0\fRs. 244.PP 245\&\fIDH_set_default_method()\fR returns no value. --- 34 unchanged lines hidden --- | 211\& } DH_METHOD; 212.Ve 213.SH "RETURN VALUES" 214.IX Header "RETURN VALUES" 215\&\fIDH_OpenSSL()\fR and \fIDH_get_default_method()\fR return pointers to the respective 216\&\fB\s-1DH_METHOD\s0\fRs. 217.PP 218\&\fIDH_set_default_method()\fR returns no value. --- 34 unchanged lines hidden --- |