cryptodev: remove single-DES support in cryptodev

Single-DES is obsolete and it's broken/useless for decades, we should
remove it in cryptodev, as suggested by Daniel.
Guest who wants to use this obsolete cipher alg will use its built-in
implementation instead.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>

diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c
index a4224f4b1ece6b14216cc6c266911ab495368399..5fb2836fde785d779f7df4742a2b41e40c61d4be 100644 (file)
--- a/backends/cryptodev-builtin.c
+++ b/backends/cryptodev-builtin.c
@@ -205,10 +205,6 @@ static int cryptodev_builtin_create_cipher_session(
             return -1;
         }
         break;
-    case VIRTIO_CRYPTO_CIPHER_DES_ECB:
-        mode = QCRYPTO_CIPHER_MODE_ECB;
-        algo = QCRYPTO_CIPHER_ALG_DES_RFB;
-        break;
     default:
         error_setg(errp, "Unsupported cipher alg :%u",
                    sess_info->cipher_alg);