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Check for |BN_CTX_new| failure in |mod_exp|.

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As far as I can tell, this is the last place within libcrypto where
this type of check is missing.

Change-Id: I3d09676abab8c9f6c4e87214019a382ec2ba90ee
Reviewed-on: https://boringssl-review.googlesource.com/7519
Reviewed-by: David Benjamin <davidben@google.com>
This commit is contained in:
Brian Smith 2016-03-19 22:39:37 -10:00 committed by David Benjamin
parent 35673b945d
commit 7cf6085b00
1 changed files with 5 additions and 0 deletions
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5
crypto/rsa/rsa_impl.c
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@ -636,6 +636,11 @@ static int mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) {
r1 = BN_CTX_get(ctx);
m1 = BN_CTX_get(ctx);
vrfy = BN_CTX_get(ctx);
if (r1 == NULL ||
m1 == NULL ||
vrfy == NULL) {
goto err;
}
{
BIGNUM local_p, local_q;