diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_gen.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_gen.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/openssl/crypto/dsa/dsa_gen.c b/openssl/crypto/dsa/dsa_gen.c index cb0b4538a..c398761d0 100644 --- a/openssl/crypto/dsa/dsa_gen.c +++ b/openssl/crypto/dsa/dsa_gen.c @@ -81,13 +81,33 @@ #include <openssl/sha.h> #include "dsa_locl.h" +#ifdef OPENSSL_FIPS +#include <openssl/fips.h> +#endif + int DSA_generate_parameters_ex(DSA *ret, int bits, const unsigned char *seed_in, int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) { +#ifdef OPENSSL_FIPS + if (FIPS_mode() && !(ret->meth->flags & DSA_FLAG_FIPS_METHOD) + && !(ret->flags & DSA_FLAG_NON_FIPS_ALLOW)) + { + DSAerr(DSA_F_DSA_GENERATE_PARAMETERS_EX, DSA_R_NON_FIPS_DSA_METHOD); + return 0; + } +#endif if(ret->meth->dsa_paramgen) return ret->meth->dsa_paramgen(ret, bits, seed_in, seed_len, counter_ret, h_ret, cb); +#ifdef OPENSSL_FIPS + else if (FIPS_mode()) + { + return FIPS_dsa_generate_parameters_ex(ret, bits, + seed_in, seed_len, + counter_ret, h_ret, cb); + } +#endif else { const EVP_MD *evpmd; @@ -105,12 +125,13 @@ int DSA_generate_parameters_ex(DSA *ret, int bits, } return dsa_builtin_paramgen(ret, bits, qbits, evpmd, - seed_in, seed_len, counter_ret, h_ret, cb); + seed_in, seed_len, NULL, counter_ret, h_ret, cb); } } int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, + unsigned char *seed_out, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) { int ok=0; @@ -201,8 +222,10 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, } /* step 2 */ - EVP_Digest(seed, qsize, md, NULL, evpmd, NULL); - EVP_Digest(buf, qsize, buf2, NULL, evpmd, NULL); + if (!EVP_Digest(seed, qsize, md, NULL, evpmd, NULL)) + goto err; + if (!EVP_Digest(buf, qsize, buf2, NULL, evpmd, NULL)) + goto err; for (i = 0; i < qsize; i++) md[i]^=buf2[i]; @@ -251,7 +274,9 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, break; } - EVP_Digest(buf, qsize, md ,NULL, evpmd, NULL); + if (!EVP_Digest(buf, qsize, md ,NULL, evpmd, + NULL)) + goto err; /* step 8 */ if (!BN_bin2bn(md, qsize, r0)) @@ -332,6 +357,8 @@ err: } if (counter_ret != NULL) *counter_ret=counter; if (h_ret != NULL) *h_ret=h; + if (seed_out) + memcpy(seed_out, seed, qsize); } if(ctx) { |