diff options
| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2016-12-22 13:51:27 +0100 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2017-01-24 18:25:22 +0100 |
| commit | 7928ee4d685b727619555bc1ec0aee805f6fc8c4 (patch) | |
| tree | 7ba9d28deca810b348757d36b12d0036d363ef68 | |
| parent | f1429b85c5821e55224e5878da9d0fa420a41f71 (diff) | |
Fix error handling in compute_key, BN_CTX_get can return NULL
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2132)
| -rw-r--r-- | crypto/dh/dh_key.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c index fe021904cc..204e5a7a42 100644 --- a/crypto/dh/dh_key.c +++ b/crypto/dh/dh_key.c @@ -159,6 +159,8 @@ static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) goto err; BN_CTX_start(ctx); tmp = BN_CTX_get(ctx); + if (tmp == NULL) + goto err; if (dh->priv_key == NULL) { DHerr(DH_F_COMPUTE_KEY, DH_R_NO_PRIVATE_VALUE); |