Commit 50d19cf3 authored by Longpeng(Mike)'s avatar Longpeng(Mike) Committed by Gonglei
Browse files

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: default avatarLongpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: default avatarGonglei <arei.gonglei@huawei.com>
parent 55a19ad8

backends/cryptodev-builtin.c

+6 −4
Original line number Diff line number Diff line
@@ -320,11 +320,13 @@ static int cryptodev_builtin_sym_operation( 


    sess = builtin->sessions[op_info->session_id];



    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) {

        ret = qcrypto_cipher_encrypt(sess->cipher, op_info->src,