diff options
| author |   pvalchev <pvalchev@openbsd.org> | 2006-10-04 07:10:32 +0000 |
|---|---|---|
| committer | pvalchev <pvalchev@openbsd.org> | 2006-10-04 07:10:32 +0000 |
| commit | ee1f122a7f1aa1b18c5a7868e2e1f6aebc126d33 (patch) | |
| tree | da8a6539140cd3cd80f46a3f048137c68abdbd84 /lib/libcrypto/dsa/dsa_ossl.c | |
| parent | Exit when asked to. OK by deraadt, spotted by lumpy. (diff) | |
| download | wireguard-openbsd-ee1f122a7f1aa1b18c5a7868e2e1f6aebc126d33.tar.xz wireguard-openbsd-ee1f122a7f1aa1b18c5a7868e2e1f6aebc126d33.zip | |
openssl security fixes, diff from markus@, ok & "commit it" djm@
http://www.openssl.org/news/secadv_20060928.txt for more
Diffstat (limited to 'lib/libcrypto/dsa/dsa_ossl.c')
| -rw-r--r-- | lib/libcrypto/dsa/dsa_ossl.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libcrypto/dsa/dsa_ossl.c b/lib/libcrypto/dsa/dsa_ossl.c index 12509a70833..5de5fc7e91a 100644 --- a/lib/libcrypto/dsa/dsa_ossl.c +++ b/lib/libcrypto/dsa/dsa_ossl.c @@ -274,6 +274,18 @@ 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); |