diff options
Diffstat (limited to 'src/libstrongswan/plugins/pem/pem_builder.c')
| -rw-r--r-- | src/libstrongswan/plugins/pem/pem_builder.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/libstrongswan/plugins/pem/pem_builder.c b/src/libstrongswan/plugins/pem/pem_builder.c index 655491e53..efbf47de5 100644 --- a/src/libstrongswan/plugins/pem/pem_builder.c +++ b/src/libstrongswan/plugins/pem/pem_builder.c @@ -104,15 +104,21 @@ static status_t pem_decrypt(chunk_t *blob, encryption_algorithm_t alg, } hash.len = hasher->get_hash_size(hasher); hash.ptr = alloca(hash.len); - hasher->get_hash(hasher, passphrase, NULL); - hasher->get_hash(hasher, salt, hash.ptr); + if (!hasher->get_hash(hasher, passphrase, NULL) || + !hasher->get_hash(hasher, salt, hash.ptr)) + { + return FAILED; + } memcpy(key.ptr, hash.ptr, hash.len); if (key.len > hash.len) { - hasher->get_hash(hasher, hash, NULL); - hasher->get_hash(hasher, passphrase, NULL); - hasher->get_hash(hasher, salt, hash.ptr); + if (!hasher->get_hash(hasher, hash, NULL) || + !hasher->get_hash(hasher, passphrase, NULL) || + !hasher->get_hash(hasher, salt, hash.ptr)) + { + return FAILED; + } memcpy(key.ptr + hash.len, hash.ptr, key.len - hash.len); } hasher->destroy(hasher); |