2021-07-31 03:28:13

by yekai (A)

[permalink] [raw]
Subject: [PATCH 0/5] crypto: hisilicon - some misc bugfix for SEC engine

some misc bugfix for SEC engine.

Kai Ye (5):
crypto: hisilicon/sec - fixup icv checking enabled on Kunpeng 930
crypto: hisilicon/sec - delete the print of fallback tfm application
failure
crypto: hisilicon/sec - fix the max length of AAD for the CCM mode
crypto: hisilicon/sec - fix the CTR mode BD configuration
crypto: hisilicon/sec - use the correct print format

drivers/crypto/hisilicon/sec2/sec_crypto.c | 30 ++++++++++++++++++++----------
drivers/crypto/hisilicon/sec2/sec_crypto.h | 6 ++++--
2 files changed, 24 insertions(+), 12 deletions(-)

--
2.7.4



2021-07-31 03:28:45

by yekai (A)

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Subject: [PATCH 4/5] crypto: hisilicon/sec - fix the CTR mode BD configuration

The CTR counter is 32bit rollover default on the BD.
But the NIST standard is 128bit rollover. it cause the
testing failed, so need to fix the BD configuration.

Signed-off-by: Kai Ye <[email protected]>
---
drivers/crypto/hisilicon/sec2/sec_crypto.c | 6 ++++++
drivers/crypto/hisilicon/sec2/sec_crypto.h | 6 ++++--
2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 010bde9..3b698ad 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -42,6 +42,8 @@
#define SEC_DE_OFFSET_V3 9
#define SEC_SCENE_OFFSET_V3 5
#define SEC_CKEY_OFFSET_V3 13
+#define SEC_CTR_CNT_OFFSET 25
+#define SEC_CTR_CNT_ROLLOVER 2
#define SEC_SRC_SGL_OFFSET_V3 11
#define SEC_DST_SGL_OFFSET_V3 14
#define SEC_CALG_OFFSET_V3 4
@@ -1301,6 +1303,10 @@ static int sec_skcipher_bd_fill_v3(struct sec_ctx *ctx, struct sec_req *req)
cipher = SEC_CIPHER_DEC;
sec_sqe3->c_icv_key |= cpu_to_le16(cipher);

+ /* Set the CTR counter mode is 128bit rollover */
+ sec_sqe3->auth_mac_key = cpu_to_le32((u32)SEC_CTR_CNT_ROLLOVER <<
+ SEC_CTR_CNT_OFFSET);
+
if (req->use_pbuf) {
bd_param |= SEC_PBUF << SEC_SRC_SGL_OFFSET_V3;
bd_param |= SEC_PBUF << SEC_DST_SGL_OFFSET_V3;
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.h b/drivers/crypto/hisilicon/sec2/sec_crypto.h
index 9f71c35..5e039b5 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.h
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.h
@@ -354,8 +354,10 @@ struct sec_sqe3 {
* akey_len: 9~14 bits
* a_alg: 15~20 bits
* key_sel: 21~24 bits
- * updata_key: 25 bits
- * reserved: 26~31 bits
+ * ctr_count_mode/sm4_xts: 25~26 bits
+ * sva_prefetch: 27 bits
+ * key_wrap_num: 28~30 bits
+ * update_key: 31 bits
*/
__le32 auth_mac_key;
__le32 salt;
--
2.7.4