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[3/6] blk-crypto: Add additional algo modes for Inline encryption

Message ID 20240730115838.3507302-4-quic_mdalam@quicinc.com
State New
Headers show
Series Add Additional algo mode for inline encryption | expand

Commit Message

Md Sadre Alam July 30, 2024, 11:58 a.m. UTC 
Add AES-XTS-128, AES-CBC-128, AES-CBC-256 algo mode support
in blk_crypto for inline encryption.

Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>
---
 block/blk-crypto.c         | 18 ++++++++++++++++++
 include/linux/blk-crypto.h |  3 +++
 2 files changed, 21 insertions(+)
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Patch

diff --git a/block/blk-crypto.c b/block/blk-crypto.c
index 51b51d6b07f3..43dc34e17d6a 100644
--- a/block/blk-crypto.c
+++ b/block/blk-crypto.c
@@ -19,6 +19,12 @@ 
 #include "blk-crypto-internal.h"
 
 const struct blk_crypto_mode blk_crypto_modes[] = {
+	[BLK_ENCRYPTION_MODE_AES_128_XTS] = {
+		.name = "AES-128-XTS",
+		.cipher_str = "xts(aes)",
+		.keysize = 32,
+		.ivsize = 16,
+	},
 	[BLK_ENCRYPTION_MODE_AES_256_XTS] = {
 		.name = "AES-256-XTS",
 		.cipher_str = "xts(aes)",
@@ -43,6 +49,18 @@  const struct blk_crypto_mode blk_crypto_modes[] = {
 		.keysize = 32,
 		.ivsize = 16,
 	},
+	[BLK_ENCRYPTION_MODE_AES_128_CBC] = {
+		.name = "AES-128-CBC",
+		.cipher_str = "cbc(aes)",
+		.keysize = 16,
+		.ivsize = 16,
+	},
+	[BLK_ENCRYPTION_MODE_AES_256_CBC] = {
+		.name = "AES-256-CBC",
+		.cipher_str = "cbc(aes)",
+		.keysize = 32,
+		.ivsize = 16,
+	},
 };
 
 /*
diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h
index 5e5822c18ee4..da503a05c5f6 100644
--- a/include/linux/blk-crypto.h
+++ b/include/linux/blk-crypto.h
@@ -10,10 +10,13 @@ 
 
 enum blk_crypto_mode_num {
 	BLK_ENCRYPTION_MODE_INVALID,
+	BLK_ENCRYPTION_MODE_AES_128_XTS,
 	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_AES_128_CBC,
+	BLK_ENCRYPTION_MODE_AES_256_CBC,
 	BLK_ENCRYPTION_MODE_MAX,
 };