| Message ID | 20221122070632.21910-2-tianjia.zhang@linux.alibaba.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add SM4 XTS symmetric algorithm for blk-crypto and fscrypt | expand |
diff --git a/block/blk-crypto.c b/block/blk-crypto.c index a496aaef85ba..e44709fc6a08 100644 --- a/block/blk-crypto.c +++ b/block/blk-crypto.c @@ -36,6 +36,12 @@ const struct blk_crypto_mode blk_crypto_modes[] = { .keysize = 32, .ivsize = 32, }, + [BLK_ENCRYPTION_MODE_SM4_XTS] = { + .name = "SM4-XTS", + .cipher_str = "xts(sm4)", + .keysize = 32, + .ivsize = 16, + }, }; /* diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h index 69b24fe92cbf..26b1b71c3091 100644 --- a/include/linux/blk-crypto.h +++ b/include/linux/blk-crypto.h @@ -13,6 +13,7 @@ enum blk_crypto_mode_num { BLK_ENCRYPTION_MODE_AES_256_XTS, BLK_ENCRYPTION_MODE_AES_128_CBC_ESSIV, BLK_ENCRYPTION_MODE_ADIANTUM, + BLK_ENCRYPTION_MODE_SM4_XTS, BLK_ENCRYPTION_MODE_MAX, };
SM4 is a symmetric algorithm widely used in China, and SM4-XTS is also used to encrypt length-preserving data, this patch enables the use of SM4-XTS algorithm in block inline encryption, and provides support for fscrypt. Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com> --- block/blk-crypto.c | 6 ++++++ include/linux/blk-crypto.h | 1 + 2 files changed, 7 insertions(+)