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Fix crash in ecdh_simple_compute_key.

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Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3671)
This commit is contained in:
Bernd Edlinger 2017-06-13 18:08:40 +02:00 committed by Rich Salz
parent 4fc426b789
commit abea494cf7
1 changed files with 4 additions and 0 deletions
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4
crypto/ec/ecdh_ossl.c
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@ -66,6 +66,10 @@ int ecdh_simple_compute_key(unsigned char **pout, size_t *poutlen,
BN_CTX_start(ctx);
x = BN_CTX_get(ctx);
y = BN_CTX_get(ctx);
if (y == NULL) {
ECerr(EC_F_ECDH_SIMPLE_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
goto err;
}
priv_key = EC_KEY_get0_private_key(ecdh);
if (priv_key == NULL) {