diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_sign.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_sign.c | 50 |
1 files changed, 37 insertions, 13 deletions
diff --git a/openssl/crypto/dsa/dsa_sign.c b/openssl/crypto/dsa/dsa_sign.c index 17555e589..c3cc3642c 100644 --- a/openssl/crypto/dsa/dsa_sign.c +++ b/openssl/crypto/dsa/dsa_sign.c @@ -61,30 +61,54 @@ #include "cryptlib.h" #include <openssl/dsa.h> #include <openssl/rand.h> +#include <openssl/bn.h> DSA_SIG * DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) { +#ifdef OPENSSL_FIPS + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) + { + DSAerr(DSA_F_DSA_DO_SIGN, DSA_R_NON_FIPS_DSA_METHOD); + return NULL; + } +#endif return dsa->meth->dsa_do_sign(dgst, dlen, dsa); } -int DSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char *sig, - unsigned int *siglen, DSA *dsa) +int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) { - DSA_SIG *s; - RAND_seed(dgst, dlen); - s=DSA_do_sign(dgst,dlen,dsa); - if (s == NULL) +#ifdef OPENSSL_FIPS + if (FIPS_mode() && !(dsa->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(dsa->flags & DSA_FLAG_NON_FIPS_ALLOW)) { - *siglen=0; - return(0); + DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_NON_FIPS_DSA_METHOD); + return 0; } - *siglen=i2d_DSA_SIG(s,&sig); - DSA_SIG_free(s); - return(1); +#endif + return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp); } -int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) +DSA_SIG *DSA_SIG_new(void) { - return dsa->meth->dsa_sign_setup(dsa, ctx_in, kinvp, rp); + DSA_SIG *sig; + sig = OPENSSL_malloc(sizeof(DSA_SIG)); + if (!sig) + return NULL; + sig->r = NULL; + sig->s = NULL; + return sig; + } + +void DSA_SIG_free(DSA_SIG *sig) + { + if (sig) + { + if (sig->r) + BN_free(sig->r); + if (sig->s) + BN_free(sig->s); + OPENSSL_free(sig); + } } |