Commit 8957adda authored by Bernd Edlinger's avatar Bernd Edlinger Committed by Richard Levitte
Browse files

Fix error handling in compute_key, BN_CTX_get can return NULL 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2132)
(cherry picked from commit 7928ee4d)
parent cb00d4ff

crypto/dh/dh_key.c

+2 −0
Original line number Diff line number Diff line
@@ -223,6 +223,8 @@ 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);