diff options
| author | Kinichiro Inoguchi <inoguchi@cvs.openbsd.org> | 2022-01-20 11:03:49 +0000 |
|---|---|---|
| committer | Kinichiro Inoguchi <inoguchi@cvs.openbsd.org> | 2022-01-20 11:03:49 +0000 |
| commit | f60a3e3b7ca8f14127981b8e6e6d70fcacadc905 (patch) | |
| tree | f9421cf2a2a958117d4316d3531182b68b385f8e /lib | |
| parent | a808e32303bf708d4b0962cf6db5dbed5a7518ca (diff) | |
Fix check for BN_mod_inverse_ct return value
ok jsing@ millert@ tb@
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libcrypto/ecdsa/ecs_ossl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libcrypto/ecdsa/ecs_ossl.c b/lib/libcrypto/ecdsa/ecs_ossl.c index e7e7a526657..2429e36b59e 100644 --- a/lib/libcrypto/ecdsa/ecs_ossl.c +++ b/lib/libcrypto/ecdsa/ecs_ossl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ecs_ossl.c,v 1.22 2021/04/20 17:23:37 tb Exp $ */ +/* $OpenBSD: ecs_ossl.c,v 1.23 2022/01/20 11:03:48 inoguchi Exp $ */ /* * Written by Nils Larsch for the OpenSSL project */ @@ -216,7 +216,7 @@ ecdsa_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) } } while (BN_is_zero(r)); - if (!BN_mod_inverse_ct(k, k, order, ctx)) { + if (BN_mod_inverse_ct(k, k, order, ctx) == NULL) { ECDSAerror(ERR_R_BN_LIB); goto err; } @@ -487,7 +487,7 @@ ecdsa_do_verify(const unsigned char *dgst, int dgst_len, const ECDSA_SIG *sig, if (!ecdsa_prepare_digest(dgst, dgst_len, order, m)) goto err; - if (!BN_mod_inverse_ct(u2, sig->s, order, ctx)) { /* w = inv(s) */ + if (BN_mod_inverse_ct(u2, sig->s, order, ctx) == NULL) { /* w = inv(s) */ ECDSAerror(ERR_R_BN_LIB); goto err; } |