diff options
Diffstat (limited to 'crypto/dsa/dsa_ossl.c')
| -rw-r--r-- | crypto/dsa/dsa_ossl.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c index 8fd66a950e37..0c18b78f7633 100644 --- a/crypto/dsa/dsa_ossl.c +++ b/crypto/dsa/dsa_ossl.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -262,12 +262,13 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, * We calculate k from SHA512(private_key + H(message) + random). * This protects the private key from a weak PRNG. */ - if (!BN_generate_dsa_nonce(k, dsa->params.q, dsa->priv_key, dgst, - dlen, ctx)) + if (!ossl_bn_gen_dsa_nonce_fixed_top(k, dsa->params.q, + dsa->priv_key, dgst, + dlen, ctx)) goto err; - } else if (!BN_priv_rand_range_ex(k, dsa->params.q, 0, ctx)) + } else if (!ossl_bn_priv_rand_range_fixed_top(k, dsa->params.q, 0, ctx)) goto err; - } while (BN_is_zero(k)); + } while (ossl_bn_is_word_fixed_top(k, 0)); BN_set_flags(k, BN_FLG_CONSTTIME); BN_set_flags(l, BN_FLG_CONSTTIME); |