diff options
| author | Longpeng(Mike) <longpeng2@huawei.com> | 2017-01-14 14:14:27 +0800 |
|---|---|---|
| committer | Gonglei <arei.gonglei@huawei.com> | 2017-03-23 17:22:01 +0800 |
| commit | 50d19cf3681059efc8d2efcc585d2a19b9ab37c3 (patch) | |
| tree | 6d81c3368073cfc8508f3b2ac2edbc1ae1d265a9 /backends | |
| parent | 55a19ad8b2d0797e3a8fe90ab99a9bb713824059 (diff) | |
cryptodev: setiv only when really need
ECB mode cipher doesn't need IV, if we setiv for it then qemu
crypto API would report "Expected IV size 0 not **", so we should
setiv only when the cipher algos really need.
Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/cryptodev-builtin.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c index 82a068e792..b24a299d9e 100644 --- a/backends/cryptodev-builtin.c +++ b/backends/cryptodev-builtin.c @@ -320,10 +320,12 @@ static int cryptodev_builtin_sym_operation( sess = builtin->sessions[op_info->session_id]; - ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, - op_info->iv_len, errp); - if (ret < 0) { - return -VIRTIO_CRYPTO_ERR; + if (op_info->iv_len > 0) { + ret = qcrypto_cipher_setiv(sess->cipher, op_info->iv, + op_info->iv_len, errp); + if (ret < 0) { + return -VIRTIO_CRYPTO_ERR; + } } if (sess->direction == VIRTIO_CRYPTO_OP_ENCRYPT) { |