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authorHook, Gary <Gary.Hook@amd.com>2019-05-15 00:53:16 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2019-05-23 09:01:07 +0300
commit499df9674c54a733f4deb3329dfcfc5487eb7738 (patch)
tree02e1bdfc93c29bd41658d2632b6305291cfa30b5 /drivers/crypto/ccp
parentefc77e8107c5c0b301686d52bd11e0ec2b10cb61 (diff)
downloadlinux-499df9674c54a733f4deb3329dfcfc5487eb7738.tar.xz
crypto: ccp - AES CFB mode is a stream cipher
CFB mode should be treated as a stream cipher, not block. Fixes: 63b945091a07 ('crypto: ccp - CCP device driver and interface support') Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/ccp-ops.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 267a367bd076..3ecadeab919c 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -1,7 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* AMD Cryptographic Coprocessor (CCP) driver
*
- * Copyright (C) 2013,2018 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013-2019 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
* Author: Gary R Hook <gary.hook@amd.com>
@@ -893,8 +894,7 @@ static int ccp_run_aes_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
return -EINVAL;
if (((aes->mode == CCP_AES_MODE_ECB) ||
- (aes->mode == CCP_AES_MODE_CBC) ||
- (aes->mode == CCP_AES_MODE_CFB)) &&
+ (aes->mode == CCP_AES_MODE_CBC)) &&
(aes->src_len & (AES_BLOCK_SIZE - 1)))
return -EINVAL;