| dsa.3 (206048) | dsa.3 (215698) |
|---|---|
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| 132.TH dsa 3 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH dsa 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 \- Digital Signature Algorithm 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 2 138\& #include <openssl/dsa.h> 139\& #include <openssl/engine.h> | 132.SH "NAME" 133dsa \- Digital Signature Algorithm 134.SH "SYNOPSIS" 135.IX Header "SYNOPSIS" 136.Vb 2 137\& #include <openssl/dsa.h> 138\& #include <openssl/engine.h> |
| 140.Ve 141.PP 142.Vb 2 | 139\& |
| 143\& DSA * DSA_new(void); 144\& void DSA_free(DSA *dsa); | 140\& DSA * DSA_new(void); 141\& void DSA_free(DSA *dsa); |
| 145.Ve 146.PP 147.Vb 1 | 142\& |
| 148\& int DSA_size(const DSA *dsa); | 143\& int DSA_size(const DSA *dsa); |
| 149.Ve 150.PP 151.Vb 3 | 144\& |
| 152\& DSA * DSA_generate_parameters(int bits, unsigned char *seed, 153\& int seed_len, int *counter_ret, unsigned long *h_ret, 154\& void (*callback)(int, int, void *), void *cb_arg); | 145\& DSA * DSA_generate_parameters(int bits, unsigned char *seed, 146\& int seed_len, int *counter_ret, unsigned long *h_ret, 147\& void (*callback)(int, int, void *), void *cb_arg); |
| 155.Ve 156.PP 157.Vb 1 | 148\& |
| 158\& DH * DSA_dup_DH(const DSA *r); | 149\& DH * DSA_dup_DH(const DSA *r); |
| 159.Ve 160.PP 161.Vb 1 | 150\& |
| 162\& int DSA_generate_key(DSA *dsa); | 151\& int DSA_generate_key(DSA *dsa); |
| 163.Ve 164.PP 165.Vb 6 | 152\& |
| 166\& int DSA_sign(int dummy, const unsigned char *dgst, int len, 167\& unsigned char *sigret, unsigned int *siglen, DSA *dsa); 168\& int DSA_sign_setup(DSA *dsa, BN_CTX *ctx, BIGNUM **kinvp, 169\& BIGNUM **rp); 170\& int DSA_verify(int dummy, const unsigned char *dgst, int len, 171\& const unsigned char *sigbuf, int siglen, DSA *dsa); | 153\& int DSA_sign(int dummy, const unsigned char *dgst, int len, 154\& unsigned char *sigret, unsigned int *siglen, DSA *dsa); 155\& int DSA_sign_setup(DSA *dsa, BN_CTX *ctx, BIGNUM **kinvp, 156\& BIGNUM **rp); 157\& int DSA_verify(int dummy, const unsigned char *dgst, int len, 158\& const unsigned char *sigbuf, int siglen, DSA *dsa); |
| 172.Ve 173.PP 174.Vb 5 | 159\& |
| 175\& void DSA_set_default_method(const DSA_METHOD *meth); 176\& const DSA_METHOD *DSA_get_default_method(void); 177\& int DSA_set_method(DSA *dsa, const DSA_METHOD *meth); 178\& DSA *DSA_new_method(ENGINE *engine); 179\& const DSA_METHOD *DSA_OpenSSL(void); | 160\& void DSA_set_default_method(const DSA_METHOD *meth); 161\& const DSA_METHOD *DSA_get_default_method(void); 162\& int DSA_set_method(DSA *dsa, const DSA_METHOD *meth); 163\& DSA *DSA_new_method(ENGINE *engine); 164\& const DSA_METHOD *DSA_OpenSSL(void); |
| 180.Ve 181.PP 182.Vb 4 | 165\& |
| 183\& int DSA_get_ex_new_index(long argl, char *argp, int (*new_func)(), 184\& int (*dup_func)(), void (*free_func)()); 185\& int DSA_set_ex_data(DSA *d, int idx, char *arg); 186\& char *DSA_get_ex_data(DSA *d, int idx); | 166\& int DSA_get_ex_new_index(long argl, char *argp, int (*new_func)(), 167\& int (*dup_func)(), void (*free_func)()); 168\& int DSA_set_ex_data(DSA *d, int idx, char *arg); 169\& char *DSA_get_ex_data(DSA *d, int idx); |
| 187.Ve 188.PP 189.Vb 4 | 170\& |
| 190\& DSA_SIG *DSA_SIG_new(void); 191\& void DSA_SIG_free(DSA_SIG *a); 192\& int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); 193\& DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, unsigned char **pp, long length); | 171\& DSA_SIG *DSA_SIG_new(void); 172\& void DSA_SIG_free(DSA_SIG *a); 173\& int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp); 174\& DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, unsigned char **pp, long length); |
| 194.Ve 195.PP 196.Vb 3 | 175\& |
| 197\& DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); 198\& int DSA_do_verify(const unsigned char *dgst, int dgst_len, 199\& DSA_SIG *sig, DSA *dsa); | 176\& DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); 177\& int DSA_do_verify(const unsigned char *dgst, int dgst_len, 178\& DSA_SIG *sig, DSA *dsa); |
| 200.Ve 201.PP 202.Vb 6 | 179\& |
| 203\& DSA * d2i_DSAPublicKey(DSA **a, unsigned char **pp, long length); 204\& DSA * d2i_DSAPrivateKey(DSA **a, unsigned char **pp, long length); 205\& DSA * d2i_DSAparams(DSA **a, unsigned char **pp, long length); 206\& int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); 207\& int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); 208\& int i2d_DSAparams(const DSA *a,unsigned char **pp); | 180\& DSA * d2i_DSAPublicKey(DSA **a, unsigned char **pp, long length); 181\& DSA * d2i_DSAPrivateKey(DSA **a, unsigned char **pp, long length); 182\& DSA * d2i_DSAparams(DSA **a, unsigned char **pp, long length); 183\& int i2d_DSAPublicKey(const DSA *a, unsigned char **pp); 184\& int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp); 185\& int i2d_DSAparams(const DSA *a,unsigned char **pp); |
| 209.Ve 210.PP 211.Vb 4 | 186\& |
| 212\& int DSAparams_print(BIO *bp, const DSA *x); 213\& int DSAparams_print_fp(FILE *fp, const DSA *x); 214\& int DSA_print(BIO *bp, const DSA *x, int off); 215\& int DSA_print_fp(FILE *bp, const DSA *x, int off); 216.Ve 217.SH "DESCRIPTION" 218.IX Header "DESCRIPTION" 219These functions implement the Digital Signature Algorithm (\s-1DSA\s0). The --- 4 unchanged lines hidden (view full) --- 224described in \fIDSA_sign\fR\|(3). 225.PP 226The \fB\s-1DSA\s0\fR structure consists of several \s-1BIGNUM\s0 components. 227.PP 228.Vb 10 229\& struct 230\& { 231\& BIGNUM *p; // prime number (public) | 187\& int DSAparams_print(BIO *bp, const DSA *x); 188\& int DSAparams_print_fp(FILE *fp, const DSA *x); 189\& int DSA_print(BIO *bp, const DSA *x, int off); 190\& int DSA_print_fp(FILE *bp, const DSA *x, int off); 191.Ve 192.SH "DESCRIPTION" 193.IX Header "DESCRIPTION" 194These functions implement the Digital Signature Algorithm (\s-1DSA\s0). The --- 4 unchanged lines hidden (view full) --- 199described in \fIDSA_sign\fR\|(3). 200.PP 201The \fB\s-1DSA\s0\fR structure consists of several \s-1BIGNUM\s0 components. 202.PP 203.Vb 10 204\& struct 205\& { 206\& BIGNUM *p; // prime number (public) |
| 232\& BIGNUM *q; // 160-bit subprime, q | p-1 (public) | 207\& BIGNUM *q; // 160\-bit subprime, q | p\-1 (public) |
| 233\& BIGNUM *g; // generator of subgroup (public) 234\& BIGNUM *priv_key; // private key x 235\& BIGNUM *pub_key; // public key y = g^x 236\& // ... 237\& } 238\& DSA; 239.Ve 240.PP --- 25 unchanged lines hidden --- | 208\& BIGNUM *g; // generator of subgroup (public) 209\& BIGNUM *priv_key; // private key x 210\& BIGNUM *pub_key; // public key y = g^x 211\& // ... 212\& } 213\& DSA; 214.Ve 215.PP --- 25 unchanged lines hidden --- |