diff options
Diffstat (limited to 'crypto/openssl/crypto/dsa/dsa_ossl.c')
| -rw-r--r-- | crypto/openssl/crypto/dsa/dsa_ossl.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/dsa/dsa_ossl.c b/crypto/openssl/crypto/dsa/dsa_ossl.c index 3fd8a35613d32..e6aad85825de8 100644 --- a/crypto/openssl/crypto/dsa/dsa_ossl.c +++ b/crypto/openssl/crypto/dsa/dsa_ossl.c @@ -304,6 +304,18 @@ static int dsa_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, return -1; } + if (BN_num_bits(dsa->q) != 160) + { + DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_BAD_Q_VALUE); + return -1; + } + + if (BN_num_bits(dsa->p) > OPENSSL_DSA_MAX_MODULUS_BITS) + { + DSAerr(DSA_F_DSA_DO_VERIFY,DSA_R_MODULUS_TOO_LARGE); + return -1; + } + BN_init(&u1); BN_init(&u2); BN_init(&t1); |