1 files changed, 24 insertions, 56 deletions

diff --git a/arch/x86/crypto/twofish_glue_3way.c b/arch/x86/crypto/twofish_glue_3way.c
index 88252370db0a..d1fdefa5195a 100644
--- a/arch/x86/crypto/twofish_glue_3way.c
+++ b/arch/x86/crypto/twofish_glue_3way.c
@@ -5,17 +5,16 @@
  * Copyright (c) 2011 Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
  */
 
-#include <asm/crypto/glue_helper.h>
 #include <asm/crypto/twofish.h>
 #include <crypto/algapi.h>
-#include <crypto/b128ops.h>
-#include <crypto/internal/skcipher.h>
 #include <crypto/twofish.h>
 #include <linux/crypto.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/types.h>
 
+#include "ecb_cbc_helpers.h"
+
 EXPORT_SYMBOL_GPL(__twofish_enc_blk_3way);
 EXPORT_SYMBOL_GPL(twofish_dec_blk_3way);
 
@@ -30,79 +29,48 @@ static inline void twofish_enc_blk_3way(const void *ctx, u8 *dst, const u8 *src)
 	__twofish_enc_blk_3way(ctx, dst, src, false);
 }
 
-void twofish_dec_blk_cbc_3way(const void *ctx, u8 *d, const u8 *s)
+void twofish_dec_blk_cbc_3way(const void *ctx, u8 *dst, const u8 *src)
 {
-	u128 ivs[2];
-	u128 *dst = (u128 *)d;
-	const u128 *src = (const u128 *)s;
-
-	ivs[0] = src[0];
-	ivs[1] = src[1];
+	u8 buf[2][TF_BLOCK_SIZE];
+	const u8 *s = src;
 
-	twofish_dec_blk_3way(ctx, (u8 *)dst, (u8 *)src);
+	if (dst == src)
+		s = memcpy(buf, src, sizeof(buf));
+	twofish_dec_blk_3way(ctx, dst, src);
+	crypto_xor(dst + TF_BLOCK_SIZE, s, sizeof(buf));
 
-	u128_xor(&dst[1], &dst[1], &ivs[0]);
-	u128_xor(&dst[2], &dst[2], &ivs[1]);
 }
 EXPORT_SYMBOL_GPL(twofish_dec_blk_cbc_3way);
 
-static const struct common_glue_ctx twofish_enc = {
-	.num_funcs = 2,
-	.fpu_blocks_limit = -1,
-
-	.funcs = { {
-		.num_blocks = 3,
-		.fn_u = { .ecb = twofish_enc_blk_3way }
-	}, {
-		.num_blocks = 1,
-		.fn_u = { .ecb = twofish_enc_blk }
-	} }
-};
-
-static const struct common_glue_ctx twofish_dec = {
-	.num_funcs = 2,
-	.fpu_blocks_limit = -1,
-
-	.funcs = { {
-		.num_blocks = 3,
-		.fn_u = { .ecb = twofish_dec_blk_3way }
-	}, {
-		.num_blocks = 1,
-		.fn_u = { .ecb = twofish_dec_blk }
-	} }
-};
-
-static const struct common_glue_ctx twofish_dec_cbc = {
-	.num_funcs = 2,
-	.fpu_blocks_limit = -1,
-
-	.funcs = { {
-		.num_blocks = 3,
-		.fn_u = { .cbc = twofish_dec_blk_cbc_3way }
-	}, {
-		.num_blocks = 1,
-		.fn_u = { .cbc = twofish_dec_blk }
-	} }
-};
-
 static int ecb_encrypt(struct skcipher_request *req)
 {
-	return glue_ecb_req_128bit(&twofish_enc, req);
+	ECB_WALK_START(req, TF_BLOCK_SIZE, -1);
+	ECB_BLOCK(3, twofish_enc_blk_3way);
+	ECB_BLOCK(1, twofish_enc_blk);
+	ECB_WALK_END();
 }
 
 static int ecb_decrypt(struct skcipher_request *req)
 {
-	return glue_ecb_req_128bit(&twofish_dec, req);
+	ECB_WALK_START(req, TF_BLOCK_SIZE, -1);
+	ECB_BLOCK(3, twofish_dec_blk_3way);
+	ECB_BLOCK(1, twofish_dec_blk);
+	ECB_WALK_END();
 }
 
 static int cbc_encrypt(struct skcipher_request *req)
 {
-	return glue_cbc_encrypt_req_128bit(twofish_enc_blk, req);
+	CBC_WALK_START(req, TF_BLOCK_SIZE, -1);
+	CBC_ENC_BLOCK(twofish_enc_blk);
+	CBC_WALK_END();
 }
 
 static int cbc_decrypt(struct skcipher_request *req)
 {
-	return glue_cbc_decrypt_req_128bit(&twofish_dec_cbc, req);
+	CBC_WALK_START(req, TF_BLOCK_SIZE, -1);
+	CBC_DEC_BLOCK(3, twofish_dec_blk_cbc_3way);
+	CBC_DEC_BLOCK(1, twofish_dec_blk);
+	CBC_WALK_END();
 }
 
 static struct skcipher_alg tf_skciphers[] = {