1 files changed, 492 insertions, 143 deletions

diff --git a/arch/arm64/crypto/sm4-ce-glue.c b/arch/arm64/crypto/sm4-ce-glue.c
index 496d55c0d01a..5569cece5a0b 100644
--- a/arch/arm64/crypto/sm4-ce-glue.c
+++ b/arch/arm64/crypto/sm4-ce-glue.c
@@ -8,15 +8,18 @@
  * Copyright (C) 2022 Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
  */
 
-#include <linux/module.h>
-#include <linux/crypto.h>
-#include <linux/kernel.h>
-#include <linux/cpufeature.h>
-#include <asm/neon.h>
 #include <asm/simd.h>
-#include <crypto/internal/simd.h>
+#include <crypto/b128ops.h>
+#include <crypto/internal/hash.h>
 #include <crypto/internal/skcipher.h>
+#include <crypto/scatterwalk.h>
 #include <crypto/sm4.h>
+#include <crypto/utils.h>
+#include <crypto/xts.h>
+#include <linux/cpufeature.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
 
 #define BYTES2BLKS(nbytes)	((nbytes) >> 4)
 
@@ -26,15 +29,42 @@ asmlinkage void sm4_ce_crypt_block(const u32 *rkey, u8 *dst, const u8 *src);
 asmlinkage void sm4_ce_crypt(const u32 *rkey, u8 *dst, const u8 *src,
 			     unsigned int nblks);
 asmlinkage void sm4_ce_cbc_enc(const u32 *rkey, u8 *dst, const u8 *src,
-			       u8 *iv, unsigned int nblks);
+			       u8 *iv, unsigned int nblocks);
 asmlinkage void sm4_ce_cbc_dec(const u32 *rkey, u8 *dst, const u8 *src,
-			       u8 *iv, unsigned int nblks);
-asmlinkage void sm4_ce_cfb_enc(const u32 *rkey, u8 *dst, const u8 *src,
-			       u8 *iv, unsigned int nblks);
-asmlinkage void sm4_ce_cfb_dec(const u32 *rkey, u8 *dst, const u8 *src,
-			       u8 *iv, unsigned int nblks);
+			       u8 *iv, unsigned int nblocks);
+asmlinkage void sm4_ce_cbc_cts_enc(const u32 *rkey, u8 *dst, const u8 *src,
+				   u8 *iv, unsigned int nbytes);
+asmlinkage void sm4_ce_cbc_cts_dec(const u32 *rkey, u8 *dst, const u8 *src,
+				   u8 *iv, unsigned int nbytes);
 asmlinkage void sm4_ce_ctr_enc(const u32 *rkey, u8 *dst, const u8 *src,
 			       u8 *iv, unsigned int nblks);
+asmlinkage void sm4_ce_xts_enc(const u32 *rkey1, u8 *dst, const u8 *src,
+			       u8 *tweak, unsigned int nbytes,
+			       const u32 *rkey2_enc);
+asmlinkage void sm4_ce_xts_dec(const u32 *rkey1, u8 *dst, const u8 *src,
+			       u8 *tweak, unsigned int nbytes,
+			       const u32 *rkey2_enc);
+asmlinkage void sm4_ce_mac_update(const u32 *rkey_enc, u8 *digest,
+				  const u8 *src, unsigned int nblocks,
+				  bool enc_before, bool enc_after);
+
+EXPORT_SYMBOL(sm4_ce_expand_key);
+EXPORT_SYMBOL(sm4_ce_crypt_block);
+EXPORT_SYMBOL(sm4_ce_cbc_enc);
+
+struct sm4_xts_ctx {
+	struct sm4_ctx key1;
+	struct sm4_ctx key2;
+};
+
+struct sm4_mac_tfm_ctx {
+	struct sm4_ctx key;
+	u8 __aligned(8) consts[];
+};
+
+struct sm4_mac_desc_ctx {
+	u8 digest[SM4_BLOCK_SIZE];
+};
 
 static int sm4_setkey(struct crypto_skcipher *tfm, const u8 *key,
 		      unsigned int key_len)
@@ -44,8 +74,32 @@ static int sm4_setkey(struct crypto_skcipher *tfm, const u8 *key,
 	if (key_len != SM4_KEY_SIZE)
 		return -EINVAL;
 
-	sm4_ce_expand_key(key, ctx->rkey_enc, ctx->rkey_dec,
-			  crypto_sm4_fk, crypto_sm4_ck);
+	scoped_ksimd()
+		sm4_ce_expand_key(key, ctx->rkey_enc, ctx->rkey_dec,
+				  crypto_sm4_fk, crypto_sm4_ck);
+	return 0;
+}
+
+static int sm4_xts_setkey(struct crypto_skcipher *tfm, const u8 *key,
+			  unsigned int key_len)
+{
+	struct sm4_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
+	int ret;
+
+	if (key_len != SM4_KEY_SIZE * 2)
+		return -EINVAL;
+
+	ret = xts_verify_key(tfm, key, key_len);
+	if (ret)
+		return ret;
+
+	scoped_ksimd() {
+		sm4_ce_expand_key(key, ctx->key1.rkey_enc,
+				ctx->key1.rkey_dec, crypto_sm4_fk, crypto_sm4_ck);
+		sm4_ce_expand_key(&key[SM4_KEY_SIZE], ctx->key2.rkey_enc,
+				ctx->key2.rkey_dec, crypto_sm4_fk, crypto_sm4_ck);
+	}
+
 	return 0;
 }
 
@@ -62,16 +116,14 @@ static int sm4_ecb_do_crypt(struct skcipher_request *req, const u32 *rkey)
 		u8 *dst = walk.dst.virt.addr;
 		unsigned int nblks;
 
-		kernel_neon_begin();
-
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_crypt(rkey, dst, src, nblks);
-			nbytes -= nblks * SM4_BLOCK_SIZE;
+		scoped_ksimd() {
+			nblks = BYTES2BLKS(nbytes);
+			if (nblks) {
+				sm4_ce_crypt(rkey, dst, src, nblks);
+				nbytes -= nblks * SM4_BLOCK_SIZE;
+			}
 		}
 
-		kernel_neon_end();
-
 		err = skcipher_walk_done(&walk, nbytes);
 	}
 
@@ -94,111 +146,127 @@ static int sm4_ecb_decrypt(struct skcipher_request *req)
 	return sm4_ecb_do_crypt(req, ctx->rkey_dec);
 }
 
-static int sm4_cbc_encrypt(struct skcipher_request *req)
+static int sm4_cbc_crypt(struct skcipher_request *req,
+			 struct sm4_ctx *ctx, bool encrypt)
 {
-	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
 	struct skcipher_walk walk;
 	unsigned int nbytes;
 	int err;
 
 	err = skcipher_walk_virt(&walk, req, false);
+	if (err)
+		return err;
 
 	while ((nbytes = walk.nbytes) > 0) {
 		const u8 *src = walk.src.virt.addr;
 		u8 *dst = walk.dst.virt.addr;
-		unsigned int nblks;
-
-		kernel_neon_begin();
-
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_cbc_enc(ctx->rkey_enc, dst, src, walk.iv, nblks);
-			nbytes -= nblks * SM4_BLOCK_SIZE;
+		unsigned int nblocks;
+
+		nblocks = nbytes / SM4_BLOCK_SIZE;
+		if (nblocks) {
+			scoped_ksimd() {
+				if (encrypt)
+					sm4_ce_cbc_enc(ctx->rkey_enc, dst, src,
+						       walk.iv, nblocks);
+				else
+					sm4_ce_cbc_dec(ctx->rkey_dec, dst, src,
+						       walk.iv, nblocks);
+			}
 		}
 
-		kernel_neon_end();
-
-		err = skcipher_walk_done(&walk, nbytes);
+		err = skcipher_walk_done(&walk, nbytes % SM4_BLOCK_SIZE);
 	}
 
 	return err;
 }
 
-static int sm4_cbc_decrypt(struct skcipher_request *req)
+static int sm4_cbc_encrypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
 	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
-	struct skcipher_walk walk;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, false);
 
-	while ((nbytes = walk.nbytes) > 0) {
-		const u8 *src = walk.src.virt.addr;
-		u8 *dst = walk.dst.virt.addr;
-		unsigned int nblks;
-
-		kernel_neon_begin();
-
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_cbc_dec(ctx->rkey_dec, dst, src, walk.iv, nblks);
-			nbytes -= nblks * SM4_BLOCK_SIZE;
-		}
-
-		kernel_neon_end();
+	return sm4_cbc_crypt(req, ctx, true);
+}
 
-		err = skcipher_walk_done(&walk, nbytes);
-	}
+static int sm4_cbc_decrypt(struct skcipher_request *req)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
 
-	return err;
+	return sm4_cbc_crypt(req, ctx, false);
 }
 
-static int sm4_cfb_encrypt(struct skcipher_request *req)
+static int sm4_cbc_cts_crypt(struct skcipher_request *req, bool encrypt)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
 	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
+	struct scatterlist *src = req->src;
+	struct scatterlist *dst = req->dst;
+	struct scatterlist sg_src[2], sg_dst[2];
+	struct skcipher_request subreq;
 	struct skcipher_walk walk;
-	unsigned int nbytes;
+	int cbc_blocks;
 	int err;
 
-	err = skcipher_walk_virt(&walk, req, false);
-
-	while ((nbytes = walk.nbytes) > 0) {
-		const u8 *src = walk.src.virt.addr;
-		u8 *dst = walk.dst.virt.addr;
-		unsigned int nblks;
+	if (req->cryptlen < SM4_BLOCK_SIZE)
+		return -EINVAL;
 
-		kernel_neon_begin();
+	if (req->cryptlen == SM4_BLOCK_SIZE)
+		return sm4_cbc_crypt(req, ctx, encrypt);
 
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_cfb_enc(ctx->rkey_enc, dst, src, walk.iv, nblks);
-			dst += nblks * SM4_BLOCK_SIZE;
-			src += nblks * SM4_BLOCK_SIZE;
-			nbytes -= nblks * SM4_BLOCK_SIZE;
-		}
+	skcipher_request_set_tfm(&subreq, tfm);
+	skcipher_request_set_callback(&subreq, skcipher_request_flags(req),
+				      NULL, NULL);
 
-		/* tail */
-		if (walk.nbytes == walk.total && nbytes > 0) {
-			u8 keystream[SM4_BLOCK_SIZE];
+	/* handle the CBC cryption part */
+	cbc_blocks = DIV_ROUND_UP(req->cryptlen, SM4_BLOCK_SIZE) - 2;
+	if (cbc_blocks) {
+		skcipher_request_set_crypt(&subreq, src, dst,
+					   cbc_blocks * SM4_BLOCK_SIZE,
+					   req->iv);
 
-			sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv);
-			crypto_xor_cpy(dst, src, keystream, nbytes);
-			nbytes = 0;
-		}
+		err = sm4_cbc_crypt(&subreq, ctx, encrypt);
+		if (err)
+			return err;
 
-		kernel_neon_end();
+		dst = src = scatterwalk_ffwd(sg_src, src, subreq.cryptlen);
+		if (req->dst != req->src)
+			dst = scatterwalk_ffwd(sg_dst, req->dst,
+					       subreq.cryptlen);
+	}
 
-		err = skcipher_walk_done(&walk, nbytes);
+	/* handle ciphertext stealing */
+	skcipher_request_set_crypt(&subreq, src, dst,
+				   req->cryptlen - cbc_blocks * SM4_BLOCK_SIZE,
+				   req->iv);
+
+	err = skcipher_walk_virt(&walk, &subreq, false);
+	if (err)
+		return err;
+
+	scoped_ksimd() {
+		if (encrypt)
+			sm4_ce_cbc_cts_enc(ctx->rkey_enc, walk.dst.virt.addr,
+					   walk.src.virt.addr, walk.iv, walk.nbytes);
+		else
+			sm4_ce_cbc_cts_dec(ctx->rkey_dec, walk.dst.virt.addr,
+					   walk.src.virt.addr, walk.iv, walk.nbytes);
 	}
 
-	return err;
+	return skcipher_walk_done(&walk, 0);
 }
 
-static int sm4_cfb_decrypt(struct skcipher_request *req)
+static int sm4_cbc_cts_encrypt(struct skcipher_request *req)
+{
+	return sm4_cbc_cts_crypt(req, true);
+}
+
+static int sm4_cbc_cts_decrypt(struct skcipher_request *req)
+{
+	return sm4_cbc_cts_crypt(req, false);
+}
+
+static int sm4_ctr_crypt(struct skcipher_request *req)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
 	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
@@ -213,74 +281,131 @@ static int sm4_cfb_decrypt(struct skcipher_request *req)
 		u8 *dst = walk.dst.virt.addr;
 		unsigned int nblks;
 
-		kernel_neon_begin();
-
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_cfb_dec(ctx->rkey_enc, dst, src, walk.iv, nblks);
-			dst += nblks * SM4_BLOCK_SIZE;
-			src += nblks * SM4_BLOCK_SIZE;
-			nbytes -= nblks * SM4_BLOCK_SIZE;
-		}
-
-		/* tail */
-		if (walk.nbytes == walk.total && nbytes > 0) {
-			u8 keystream[SM4_BLOCK_SIZE];
-
-			sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv);
-			crypto_xor_cpy(dst, src, keystream, nbytes);
-			nbytes = 0;
+		scoped_ksimd() {
+			nblks = BYTES2BLKS(nbytes);
+			if (nblks) {
+				sm4_ce_ctr_enc(ctx->rkey_enc, dst, src, walk.iv, nblks);
+				dst += nblks * SM4_BLOCK_SIZE;
+				src += nblks * SM4_BLOCK_SIZE;
+				nbytes -= nblks * SM4_BLOCK_SIZE;
+			}
+
+			/* tail */
+			if (walk.nbytes == walk.total && nbytes > 0) {
+				u8 keystream[SM4_BLOCK_SIZE];
+
+				sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv);
+				crypto_inc(walk.iv, SM4_BLOCK_SIZE);
+				crypto_xor_cpy(dst, src, keystream, nbytes);
+				nbytes = 0;
+			}
 		}
 
-		kernel_neon_end();
-
 		err = skcipher_walk_done(&walk, nbytes);
 	}
 
 	return err;
 }
 
-static int sm4_ctr_crypt(struct skcipher_request *req)
+static int sm4_xts_crypt(struct skcipher_request *req, bool encrypt)
 {
 	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
-	struct sm4_ctx *ctx = crypto_skcipher_ctx(tfm);
+	struct sm4_xts_ctx *ctx = crypto_skcipher_ctx(tfm);
+	int tail = req->cryptlen % SM4_BLOCK_SIZE;
+	const u32 *rkey2_enc = ctx->key2.rkey_enc;
+	struct scatterlist sg_src[2], sg_dst[2];
+	struct skcipher_request subreq;
+	struct scatterlist *src, *dst;
 	struct skcipher_walk walk;
 	unsigned int nbytes;
 	int err;
 
+	if (req->cryptlen < SM4_BLOCK_SIZE)
+		return -EINVAL;
+
 	err = skcipher_walk_virt(&walk, req, false);
+	if (err)
+		return err;
+
+	if (unlikely(tail > 0 && walk.nbytes < walk.total)) {
+		int nblocks = DIV_ROUND_UP(req->cryptlen, SM4_BLOCK_SIZE) - 2;
+
+		skcipher_walk_abort(&walk);
+
+		skcipher_request_set_tfm(&subreq, tfm);
+		skcipher_request_set_callback(&subreq,
+					      skcipher_request_flags(req),
+					      NULL, NULL);
+		skcipher_request_set_crypt(&subreq, req->src, req->dst,
+					   nblocks * SM4_BLOCK_SIZE, req->iv);
+
+		err = skcipher_walk_virt(&walk, &subreq, false);
+		if (err)
+			return err;
+	} else {
+		tail = 0;
+	}
 
-	while ((nbytes = walk.nbytes) > 0) {
-		const u8 *src = walk.src.virt.addr;
-		u8 *dst = walk.dst.virt.addr;
-		unsigned int nblks;
+	while ((nbytes = walk.nbytes) >= SM4_BLOCK_SIZE) {
+		if (nbytes < walk.total)
+			nbytes &= ~(SM4_BLOCK_SIZE - 1);
+
+		scoped_ksimd() {
+			if (encrypt)
+				sm4_ce_xts_enc(ctx->key1.rkey_enc, walk.dst.virt.addr,
+						walk.src.virt.addr, walk.iv, nbytes,
+						rkey2_enc);
+			else
+				sm4_ce_xts_dec(ctx->key1.rkey_dec, walk.dst.virt.addr,
+						walk.src.virt.addr, walk.iv, nbytes,
+						rkey2_enc);
+		}
 
-		kernel_neon_begin();
+		rkey2_enc = NULL;
 
-		nblks = BYTES2BLKS(nbytes);
-		if (nblks) {
-			sm4_ce_ctr_enc(ctx->rkey_enc, dst, src, walk.iv, nblks);
-			dst += nblks * SM4_BLOCK_SIZE;
-			src += nblks * SM4_BLOCK_SIZE;
-			nbytes -= nblks * SM4_BLOCK_SIZE;
-		}
+		err = skcipher_walk_done(&walk, walk.nbytes - nbytes);
+		if (err)
+			return err;
+	}
 
-		/* tail */
-		if (walk.nbytes == walk.total && nbytes > 0) {
-			u8 keystream[SM4_BLOCK_SIZE];
+	if (likely(tail == 0))
+		return 0;
 
-			sm4_ce_crypt_block(ctx->rkey_enc, keystream, walk.iv);
-			crypto_inc(walk.iv, SM4_BLOCK_SIZE);
-			crypto_xor_cpy(dst, src, keystream, nbytes);
-			nbytes = 0;
-		}
+	/* handle ciphertext stealing */
 
-		kernel_neon_end();
+	dst = src = scatterwalk_ffwd(sg_src, req->src, subreq.cryptlen);
+	if (req->dst != req->src)
+		dst = scatterwalk_ffwd(sg_dst, req->dst, subreq.cryptlen);
 
-		err = skcipher_walk_done(&walk, nbytes);
+	skcipher_request_set_crypt(&subreq, src, dst, SM4_BLOCK_SIZE + tail,
+				   req->iv);
+
+	err = skcipher_walk_virt(&walk, &subreq, false);
+	if (err)
+		return err;
+
+	scoped_ksimd() {
+		if (encrypt)
+			sm4_ce_xts_enc(ctx->key1.rkey_enc, walk.dst.virt.addr,
+					walk.src.virt.addr, walk.iv, walk.nbytes,
+					rkey2_enc);
+		else
+			sm4_ce_xts_dec(ctx->key1.rkey_dec, walk.dst.virt.addr,
+					walk.src.virt.addr, walk.iv, walk.nbytes,
+					rkey2_enc);
 	}
 
-	return err;
+	return skcipher_walk_done(&walk, 0);
+}
+
+static int sm4_xts_encrypt(struct skcipher_request *req)
+{
+	return sm4_xts_crypt(req, true);
+}
+
+static int sm4_xts_decrypt(struct skcipher_request *req)
+{
+	return sm4_xts_crypt(req, false);
 }
 
 static struct skcipher_alg sm4_algs[] = {
@@ -315,8 +440,8 @@ static struct skcipher_alg sm4_algs[] = {
 		.decrypt	= sm4_cbc_decrypt,
 	}, {
 		.base = {
-			.cra_name		= "cfb(sm4)",
-			.cra_driver_name	= "cfb-sm4-ce",
+			.cra_name		= "ctr(sm4)",
+			.cra_driver_name	= "ctr-sm4-ce",
 			.cra_priority		= 400,
 			.cra_blocksize		= 1,
 			.cra_ctxsize		= sizeof(struct sm4_ctx),
@@ -327,46 +452,270 @@ static struct skcipher_alg sm4_algs[] = {
 		.ivsize		= SM4_BLOCK_SIZE,
 		.chunksize	= SM4_BLOCK_SIZE,
 		.setkey		= sm4_setkey,
-		.encrypt	= sm4_cfb_encrypt,
-		.decrypt	= sm4_cfb_decrypt,
+		.encrypt	= sm4_ctr_crypt,
+		.decrypt	= sm4_ctr_crypt,
 	}, {
 		.base = {
-			.cra_name		= "ctr(sm4)",
-			.cra_driver_name	= "ctr-sm4-ce",
+			.cra_name		= "cts(cbc(sm4))",
+			.cra_driver_name	= "cts-cbc-sm4-ce",
 			.cra_priority		= 400,
-			.cra_blocksize		= 1,
+			.cra_blocksize		= SM4_BLOCK_SIZE,
 			.cra_ctxsize		= sizeof(struct sm4_ctx),
 			.cra_module		= THIS_MODULE,
 		},
 		.min_keysize	= SM4_KEY_SIZE,
 		.max_keysize	= SM4_KEY_SIZE,
 		.ivsize		= SM4_BLOCK_SIZE,
-		.chunksize	= SM4_BLOCK_SIZE,
+		.walksize	= SM4_BLOCK_SIZE * 2,
 		.setkey		= sm4_setkey,
-		.encrypt	= sm4_ctr_crypt,
-		.decrypt	= sm4_ctr_crypt,
+		.encrypt	= sm4_cbc_cts_encrypt,
+		.decrypt	= sm4_cbc_cts_decrypt,
+	}, {
+		.base = {
+			.cra_name		= "xts(sm4)",
+			.cra_driver_name	= "xts-sm4-ce",
+			.cra_priority		= 400,
+			.cra_blocksize		= SM4_BLOCK_SIZE,
+			.cra_ctxsize		= sizeof(struct sm4_xts_ctx),
+			.cra_module		= THIS_MODULE,
+		},
+		.min_keysize	= SM4_KEY_SIZE * 2,
+		.max_keysize	= SM4_KEY_SIZE * 2,
+		.ivsize		= SM4_BLOCK_SIZE,
+		.walksize	= SM4_BLOCK_SIZE * 2,
+		.setkey		= sm4_xts_setkey,
+		.encrypt	= sm4_xts_encrypt,
+		.decrypt	= sm4_xts_decrypt,
+	}
+};
+
+static int sm4_cbcmac_setkey(struct crypto_shash *tfm, const u8 *key,
+			     unsigned int key_len)
+{
+	struct sm4_mac_tfm_ctx *ctx = crypto_shash_ctx(tfm);
+
+	if (key_len != SM4_KEY_SIZE)
+		return -EINVAL;
+
+	scoped_ksimd()
+		sm4_ce_expand_key(key, ctx->key.rkey_enc, ctx->key.rkey_dec,
+				crypto_sm4_fk, crypto_sm4_ck);
+	return 0;
+}
+
+static int sm4_cmac_setkey(struct crypto_shash *tfm, const u8 *key,
+			   unsigned int key_len)
+{
+	struct sm4_mac_tfm_ctx *ctx = crypto_shash_ctx(tfm);
+	be128 *consts = (be128 *)ctx->consts;
+	u64 a, b;
+
+	if (key_len != SM4_KEY_SIZE)
+		return -EINVAL;
+
+	memset(consts, 0, SM4_BLOCK_SIZE);
+
+	scoped_ksimd() {
+		sm4_ce_expand_key(key, ctx->key.rkey_enc, ctx->key.rkey_dec,
+				crypto_sm4_fk, crypto_sm4_ck);
+
+		/* encrypt the zero block */
+		sm4_ce_crypt_block(ctx->key.rkey_enc, (u8 *)consts, (const u8 *)consts);
+	}
+
+	/* gf(2^128) multiply zero-ciphertext with u and u^2 */
+	a = be64_to_cpu(consts[0].a);
+	b = be64_to_cpu(consts[0].b);
+	consts[0].a = cpu_to_be64((a << 1) | (b >> 63));
+	consts[0].b = cpu_to_be64((b << 1) ^ ((a >> 63) ? 0x87 : 0));
+
+	a = be64_to_cpu(consts[0].a);
+	b = be64_to_cpu(consts[0].b);
+	consts[1].a = cpu_to_be64((a << 1) | (b >> 63));
+	consts[1].b = cpu_to_be64((b << 1) ^ ((a >> 63) ? 0x87 : 0));
+
+	return 0;
+}
+
+static int sm4_xcbc_setkey(struct crypto_shash *tfm, const u8 *key,
+			   unsigned int key_len)
+{
+	struct sm4_mac_tfm_ctx *ctx = crypto_shash_ctx(tfm);
+	u8 __aligned(8) key2[SM4_BLOCK_SIZE];
+	static u8 const ks[3][SM4_BLOCK_SIZE] = {
+		{ [0 ... SM4_BLOCK_SIZE - 1] = 0x1},
+		{ [0 ... SM4_BLOCK_SIZE - 1] = 0x2},
+		{ [0 ... SM4_BLOCK_SIZE - 1] = 0x3},
+	};
+
+	if (key_len != SM4_KEY_SIZE)
+		return -EINVAL;
+
+	scoped_ksimd() {
+		sm4_ce_expand_key(key, ctx->key.rkey_enc, ctx->key.rkey_dec,
+				crypto_sm4_fk, crypto_sm4_ck);
+
+		sm4_ce_crypt_block(ctx->key.rkey_enc, key2, ks[0]);
+		sm4_ce_crypt(ctx->key.rkey_enc, ctx->consts, ks[1], 2);
+
+		sm4_ce_expand_key(key2, ctx->key.rkey_enc, ctx->key.rkey_dec,
+				crypto_sm4_fk, crypto_sm4_ck);
+	}
+
+	return 0;
+}
+
+static int sm4_mac_init(struct shash_desc *desc)
+{
+	struct sm4_mac_desc_ctx *ctx = shash_desc_ctx(desc);
+
+	memset(ctx->digest, 0, SM4_BLOCK_SIZE);
+	return 0;
+}
+
+static int sm4_mac_update(struct shash_desc *desc, const u8 *p,
+			  unsigned int len)
+{
+	struct sm4_mac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct sm4_mac_desc_ctx *ctx = shash_desc_ctx(desc);
+	unsigned int nblocks = len / SM4_BLOCK_SIZE;
+
+	len %= SM4_BLOCK_SIZE;
+	scoped_ksimd()
+		sm4_ce_mac_update(tctx->key.rkey_enc, ctx->digest, p,
+				nblocks, false, true);
+	return len;
+}
+
+static int sm4_cmac_finup(struct shash_desc *desc, const u8 *src,
+			  unsigned int len, u8 *out)
+{
+	struct sm4_mac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct sm4_mac_desc_ctx *ctx = shash_desc_ctx(desc);
+	const u8 *consts = tctx->consts;
+
+	crypto_xor(ctx->digest, src, len);
+	if (len != SM4_BLOCK_SIZE) {
+		ctx->digest[len] ^= 0x80;
+		consts += SM4_BLOCK_SIZE;
+	}
+	scoped_ksimd()
+		sm4_ce_mac_update(tctx->key.rkey_enc, ctx->digest, consts, 1,
+				  false, true);
+	memcpy(out, ctx->digest, SM4_BLOCK_SIZE);
+	return 0;
+}
+
+static int sm4_cbcmac_finup(struct shash_desc *desc, const u8 *src,
+			    unsigned int len, u8 *out)
+{
+	struct sm4_mac_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct sm4_mac_desc_ctx *ctx = shash_desc_ctx(desc);
+
+	if (len) {
+		crypto_xor(ctx->digest, src, len);
+		scoped_ksimd()
+			sm4_ce_crypt_block(tctx->key.rkey_enc, ctx->digest,
+					   ctx->digest);
+	}
+	memcpy(out, ctx->digest, SM4_BLOCK_SIZE);
+	return 0;
+}
+
+static struct shash_alg sm4_mac_algs[] = {
+	{
+		.base = {
+			.cra_name		= "cmac(sm4)",
+			.cra_driver_name	= "cmac-sm4-ce",
+			.cra_priority		= 400,
+			.cra_flags		= CRYPTO_AHASH_ALG_BLOCK_ONLY |
+						  CRYPTO_AHASH_ALG_FINAL_NONZERO,
+			.cra_blocksize		= SM4_BLOCK_SIZE,
+			.cra_ctxsize		= sizeof(struct sm4_mac_tfm_ctx)
+							+ SM4_BLOCK_SIZE * 2,
+			.cra_module		= THIS_MODULE,
+		},
+		.digestsize	= SM4_BLOCK_SIZE,
+		.init		= sm4_mac_init,
+		.update		= sm4_mac_update,
+		.finup		= sm4_cmac_finup,
+		.setkey		= sm4_cmac_setkey,
+		.descsize	= sizeof(struct sm4_mac_desc_ctx),
+	}, {
+		.base = {
+			.cra_name		= "xcbc(sm4)",
+			.cra_driver_name	= "xcbc-sm4-ce",
+			.cra_priority		= 400,
+			.cra_flags		= CRYPTO_AHASH_ALG_BLOCK_ONLY |
+						  CRYPTO_AHASH_ALG_FINAL_NONZERO,
+			.cra_blocksize		= SM4_BLOCK_SIZE,
+			.cra_ctxsize		= sizeof(struct sm4_mac_tfm_ctx)
+							+ SM4_BLOCK_SIZE * 2,
+			.cra_module		= THIS_MODULE,
+		},
+		.digestsize	= SM4_BLOCK_SIZE,
+		.init		= sm4_mac_init,
+		.update		= sm4_mac_update,
+		.finup		= sm4_cmac_finup,
+		.setkey		= sm4_xcbc_setkey,
+		.descsize	= sizeof(struct sm4_mac_desc_ctx),
+	}, {
+		.base = {
+			.cra_name		= "cbcmac(sm4)",
+			.cra_driver_name	= "cbcmac-sm4-ce",
+			.cra_priority		= 400,
+			.cra_flags		= CRYPTO_AHASH_ALG_BLOCK_ONLY,
+			.cra_blocksize		= SM4_BLOCK_SIZE,
+			.cra_ctxsize		= sizeof(struct sm4_mac_tfm_ctx),
+			.cra_module		= THIS_MODULE,
+		},
+		.digestsize	= SM4_BLOCK_SIZE,
+		.init		= sm4_mac_init,
+		.update		= sm4_mac_update,
+		.finup		= sm4_cbcmac_finup,
+		.setkey		= sm4_cbcmac_setkey,
+		.descsize	= sizeof(struct sm4_mac_desc_ctx),
 	}
 };
 
 static int __init sm4_init(void)
 {
-	return crypto_register_skciphers(sm4_algs, ARRAY_SIZE(sm4_algs));
+	int err;
+
+	err = crypto_register_skciphers(sm4_algs, ARRAY_SIZE(sm4_algs));
+	if (err)
+		return err;
+
+	err = crypto_register_shashes(sm4_mac_algs, ARRAY_SIZE(sm4_mac_algs));
+	if (err)
+		goto out_err;
+
+	return 0;
+
+out_err:
+	crypto_unregister_skciphers(sm4_algs, ARRAY_SIZE(sm4_algs));
+	return err;
 }
 
 static void __exit sm4_exit(void)
 {
+	crypto_unregister_shashes(sm4_mac_algs, ARRAY_SIZE(sm4_mac_algs));
 	crypto_unregister_skciphers(sm4_algs, ARRAY_SIZE(sm4_algs));
 }
 
 module_cpu_feature_match(SM4, sm4_init);
 module_exit(sm4_exit);
 
-MODULE_DESCRIPTION("SM4 ECB/CBC/CFB/CTR using ARMv8 Crypto Extensions");
+MODULE_DESCRIPTION("SM4 ECB/CBC/CTR/XTS using ARMv8 Crypto Extensions");
 MODULE_ALIAS_CRYPTO("sm4-ce");
 MODULE_ALIAS_CRYPTO("sm4");
 MODULE_ALIAS_CRYPTO("ecb(sm4)");
 MODULE_ALIAS_CRYPTO("cbc(sm4)");
-MODULE_ALIAS_CRYPTO("cfb(sm4)");
 MODULE_ALIAS_CRYPTO("ctr(sm4)");
+MODULE_ALIAS_CRYPTO("cts(cbc(sm4))");
+MODULE_ALIAS_CRYPTO("xts(sm4)");
+MODULE_ALIAS_CRYPTO("cmac(sm4)");
+MODULE_ALIAS_CRYPTO("xcbc(sm4)");
+MODULE_ALIAS_CRYPTO("cbcmac(sm4)");
 MODULE_AUTHOR("Tianjia Zhang <tianjia.zhang@linux.alibaba.com>");
 MODULE_LICENSE("GPL v2");