dsa_ossl.c - OpenGrok cross reference for /openssl/crypto/dsa/dsa

Lines Matching refs:NULL
47     NULL,                       /* dsa_mod_exp, */
48     NULL,                       /* dsa_bn_mod_exp, */
52     NULL,
53     NULL,
54     NULL
80     BIGNUM *kinv = NULL;  in ossl_dsa_do_sign_int()
82     BN_CTX *ctx = NULL;  in ossl_dsa_do_sign_int()
84     DSA_SIG *ret = NULL;  in ossl_dsa_do_sign_int()
88     if (dsa->params.p == NULL  in ossl_dsa_do_sign_int()
89         || dsa->params.q == NULL  in ossl_dsa_do_sign_int()
90         || dsa->params.g == NULL) {  in ossl_dsa_do_sign_int()
94     if (dsa->priv_key == NULL) {  in ossl_dsa_do_sign_int()
100     if (ret == NULL)  in ossl_dsa_do_sign_int()
104     if (ret->r == NULL || ret->s == NULL)  in ossl_dsa_do_sign_int()
108     if (ctx == NULL)  in ossl_dsa_do_sign_int()
114     if (tmp == NULL)  in ossl_dsa_do_sign_int()
129     if (BN_bin2bn(dgst, dlen, m) == NULL)  in ossl_dsa_do_sign_int()
174     if (BN_mod_inverse(blind, blind, dsa->params.q, ctx) == NULL)  in ossl_dsa_do_sign_int()
197         ret = NULL;  in ossl_dsa_do_sign_int()
207                                 0, NULL, NULL, NULL);  in dsa_do_sign()
213     return dsa_sign_setup(dsa, ctx_in, kinvp, rp, NULL, 0,  in dsa_sign_setup_no_digest()
214                           0, NULL, NULL, NULL);  in dsa_sign_setup_no_digest()
223     BN_CTX *ctx = NULL;  in dsa_sign_setup()
224     BIGNUM *k, *kinv = NULL, *r = *rp;  in dsa_sign_setup()
244     if (dsa->priv_key == NULL) {  in dsa_sign_setup()
250     if (k == NULL || l == NULL)  in dsa_sign_setup()
253     if (ctx_in == NULL) {  in dsa_sign_setup()
255         if ((ctx = BN_CTX_new_ex(NULL)) == NULL)  in dsa_sign_setup()
270         if (dgst != NULL) {  in dsa_sign_setup()
324     if ((dsa)->meth->bn_mod_exp != NULL) {  in dsa_sign_setup()
338     if ((kinv = dsa_mod_inverse_fermat(k, dsa->params.q, ctx)) == NULL)  in dsa_sign_setup()
343     kinv = NULL;  in dsa_sign_setup()
360     BN_MONT_CTX *mont = NULL;  in dsa_do_verify()
364     if (dsa->params.p == NULL  in dsa_do_verify()
365         || dsa->params.q == NULL  in dsa_do_verify()
366         || dsa->params.g == NULL) {  in dsa_do_verify()
385     ctx = BN_CTX_new_ex(NULL); /* verify does not need a libctx */  in dsa_do_verify()
386     if (u1 == NULL || u2 == NULL || t1 == NULL || ctx == NULL)  in dsa_do_verify()
405     if ((BN_mod_inverse(u2, s, dsa->params.q, ctx)) == NULL)  in dsa_do_verify()
416     if (BN_bin2bn(dgst, dgst_len, u1) == NULL)  in dsa_do_verify()
434     if (dsa->meth->dsa_mod_exp != NULL) {  in dsa_do_verify()
486     BIGNUM *res = NULL;  in dsa_mod_inverse_fermat()
489     if ((r = BN_new()) == NULL)  in dsa_mod_inverse_fermat()
490         return NULL;  in dsa_mod_inverse_fermat()
493     if ((e = BN_CTX_get(ctx)) != NULL  in dsa_mod_inverse_fermat()
496             && BN_mod_exp_mont(r, k, e, q, ctx, NULL))  in dsa_mod_inverse_fermat()