diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/dsa/dsa_ossl.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/dsa/dsa_ossl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/deps/openssl/openssl/crypto/dsa/dsa_ossl.c b/deps/openssl/openssl/crypto/dsa/dsa_ossl.c index 7a0b0874c5..cefda5a450 100644 --- a/deps/openssl/openssl/crypto/dsa/dsa_ossl.c +++ b/deps/openssl/openssl/crypto/dsa/dsa_ossl.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -190,6 +190,12 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, return 0; } + /* Reject obviously invalid parameters */ + if (BN_is_zero(dsa->p) || BN_is_zero(dsa->q) || BN_is_zero(dsa->g)) { + DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_INVALID_PARAMETERS); + return 0; + } + k = BN_new(); l = BN_new(); if (k == NULL || l == NULL) |