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implement and use new macros BN_get_sign(), BN_set_sign()

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Submitted by: Nils Larsch
This commit is contained in:
Bodo Möller
2002-11-04 13:17:22 +00:00
parent e5f4d8279d
commit b53e44e572
14 changed files with 87 additions and 48 deletions
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6
crypto/ecdsa/ecs_ossl.c
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@@ -353,13 +353,15 @@ static int ecdsa_do_verify(const unsigned char *dgst, int dgst_len,
goto err;
}
if (BN_is_zero(sig->r) || sig->r->neg || BN_ucmp(sig->r, order) >= 0)
if (BN_is_zero(sig->r) || BN_get_sign(sig->r) ||
BN_ucmp(sig->r, order) >= 0)
{
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
ret = 0;
goto err;
}
if (BN_is_zero(sig->s) || sig->s->neg || BN_ucmp(sig->s, order) >= 0)
if (BN_is_zero(sig->s) || BN_get_sign(sig->s) ||
BN_ucmp(sig->s, order) >= 0)
{
ECDSAerr(ECDSA_F_ECDSA_DO_VERIFY, ECDSA_R_BAD_SIGNATURE);
ret = 0;