diff options
Diffstat (limited to 'src/libcharon/plugins/tnc_pdp/tnc_pdp.c')
| -rw-r--r-- | src/libcharon/plugins/tnc_pdp/tnc_pdp.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/libcharon/plugins/tnc_pdp/tnc_pdp.c b/src/libcharon/plugins/tnc_pdp/tnc_pdp.c index 691136430..709145877 100644 --- a/src/libcharon/plugins/tnc_pdp/tnc_pdp.c +++ b/src/libcharon/plugins/tnc_pdp/tnc_pdp.c @@ -231,8 +231,12 @@ static chunk_t encrypt_mppe_key(private_tnc_pdp_t *this, u_int8_t type, while (c < data.ptr + data.len) { /* b(i) = MD5(S + c(i-1)) */ - this->hasher->get_hash(this->hasher, this->secret, NULL); - this->hasher->get_hash(this->hasher, seed, b); + if (!this->hasher->get_hash(this->hasher, this->secret, NULL) || + !this->hasher->get_hash(this->hasher, seed, b)) + { + free(data.ptr); + return chunk_empty; + } /* c(i) = b(i) xor p(1) */ memxor(c, b, HASH_SIZE_MD5); |