diff options
Diffstat (limited to 'crypto/rsa/rsa_sp800_56b_check.c')
| -rw-r--r-- | crypto/rsa/rsa_sp800_56b_check.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crypto/rsa/rsa_sp800_56b_check.c b/crypto/rsa/rsa_sp800_56b_check.c index fc8f19b487..bcbdd24fb8 100644 --- a/crypto/rsa/rsa_sp800_56b_check.c +++ b/crypto/rsa/rsa_sp800_56b_check.c @@ -289,6 +289,11 @@ int ossl_rsa_sp800_56b_check_public(const RSA *rsa) return 0; nbits = BN_num_bits(rsa->n); + if (nbits > OPENSSL_RSA_MAX_MODULUS_BITS) { + ERR_raise(ERR_LIB_RSA, RSA_R_MODULUS_TOO_LARGE); + return 0; + } + #ifdef FIPS_MODULE /* * (Step a): modulus must be 2048 or 3072 (caveat from SP800-56Br1) @@ -324,7 +329,8 @@ int ossl_rsa_sp800_56b_check_public(const RSA *rsa) goto err; } - ret = ossl_bn_miller_rabin_is_prime(rsa->n, 0, ctx, NULL, 1, &status); + /* Highest number of MR rounds from FIPS 186-5 Section B.3 Table B.1 */ + ret = ossl_bn_miller_rabin_is_prime(rsa->n, 5, ctx, NULL, 1, &status); #ifdef FIPS_MODULE if (ret != 1 || status != BN_PRIMETEST_COMPOSITE_NOT_POWER_OF_PRIME) { #else |