2 files changed, 0 insertions, 157 deletions

diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index a31de0c6ccde..b28e36b7c96b 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -4,8 +4,6 @@
 
 OBJECT_FILES_NON_STANDARD := y
 
-obj-$(CONFIG_CRYPTO_GLUE_HELPER_X86) += glue_helper.o
-
 obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
 twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o
 obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
diff --git a/arch/x86/crypto/glue_helper.c b/arch/x86/crypto/glue_helper.c
deleted file mode 100644
index 895d34150c3f..000000000000
--- a/arch/x86/crypto/glue_helper.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Shared glue code for 128bit block ciphers
- *
- * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
- *
- * CBC & ECB parts based on code (crypto/cbc.c,ecb.c) by:
- *   Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
- */
-
-#include <linux/module.h>
-#include <crypto/b128ops.h>
-#include <crypto/internal/skcipher.h>
-#include <crypto/scatterwalk.h>
-#include <asm/crypto/glue_helper.h>
-
-int glue_ecb_req_128bit(const struct common_glue_ctx *gctx,
-			struct skcipher_request *req)
-{
-	void *ctx = crypto_skcipher_ctx(crypto_skcipher_reqtfm(req));
-	const unsigned int bsize = 128 / 8;
-	struct skcipher_walk walk;
-	bool fpu_enabled = false;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, false);
-
-	while ((nbytes = walk.nbytes)) {
-		const u8 *src = walk.src.virt.addr;
-		u8 *dst = walk.dst.virt.addr;
-		unsigned int func_bytes;
-		unsigned int i;
-
-		fpu_enabled = glue_fpu_begin(bsize, gctx->fpu_blocks_limit,
-					     &walk, fpu_enabled, nbytes);
-		for (i = 0; i < gctx->num_funcs; i++) {
-			func_bytes = bsize * gctx->funcs[i].num_blocks;
-
-			if (nbytes < func_bytes)
-				continue;
-
-			/* Process multi-block batch */
-			do {
-				gctx->funcs[i].fn_u.ecb(ctx, dst, src);
-				src += func_bytes;
-				dst += func_bytes;
-				nbytes -= func_bytes;
-			} while (nbytes >= func_bytes);
-
-			if (nbytes < bsize)
-				break;
-		}
-		err = skcipher_walk_done(&walk, nbytes);
-	}
-
-	glue_fpu_end(fpu_enabled);
-	return err;
-}
-EXPORT_SYMBOL_GPL(glue_ecb_req_128bit);
-
-int glue_cbc_encrypt_req_128bit(const common_glue_func_t fn,
-				struct skcipher_request *req)
-{
-	void *ctx = crypto_skcipher_ctx(crypto_skcipher_reqtfm(req));
-	const unsigned int bsize = 128 / 8;
-	struct skcipher_walk walk;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, false);
-
-	while ((nbytes = walk.nbytes)) {
-		const u128 *src = (u128 *)walk.src.virt.addr;
-		u128 *dst = (u128 *)walk.dst.virt.addr;
-		u128 *iv = (u128 *)walk.iv;
-
-		do {
-			u128_xor(dst, src, iv);
-			fn(ctx, (u8 *)dst, (u8 *)dst);
-			iv = dst;
-			src++;
-			dst++;
-			nbytes -= bsize;
-		} while (nbytes >= bsize);
-
-		*(u128 *)walk.iv = *iv;
-		err = skcipher_walk_done(&walk, nbytes);
-	}
-	return err;
-}
-EXPORT_SYMBOL_GPL(glue_cbc_encrypt_req_128bit);
-
-int glue_cbc_decrypt_req_128bit(const struct common_glue_ctx *gctx,
-				struct skcipher_request *req)
-{
-	void *ctx = crypto_skcipher_ctx(crypto_skcipher_reqtfm(req));
-	const unsigned int bsize = 128 / 8;
-	struct skcipher_walk walk;
-	bool fpu_enabled = false;
-	unsigned int nbytes;
-	int err;
-
-	err = skcipher_walk_virt(&walk, req, false);
-
-	while ((nbytes = walk.nbytes)) {
-		const u128 *src = walk.src.virt.addr;
-		u128 *dst = walk.dst.virt.addr;
-		unsigned int func_bytes, num_blocks;
-		unsigned int i;
-		u128 last_iv;
-
-		fpu_enabled = glue_fpu_begin(bsize, gctx->fpu_blocks_limit,
-					     &walk, fpu_enabled, nbytes);
-		/* Start of the last block. */
-		src += nbytes / bsize - 1;
-		dst += nbytes / bsize - 1;
-
-		last_iv = *src;
-
-		for (i = 0; i < gctx->num_funcs; i++) {
-			num_blocks = gctx->funcs[i].num_blocks;
-			func_bytes = bsize * num_blocks;
-
-			if (nbytes < func_bytes)
-				continue;
-
-			/* Process multi-block batch */
-			do {
-				src -= num_blocks - 1;
-				dst -= num_blocks - 1;
-
-				gctx->funcs[i].fn_u.cbc(ctx, (u8 *)dst,
-							(const u8 *)src);
-
-				nbytes -= func_bytes;
-				if (nbytes < bsize)
-					goto done;
-
-				u128_xor(dst, dst, --src);
-				dst--;
-			} while (nbytes >= func_bytes);
-		}
-done:
-		u128_xor(dst, dst, (u128 *)walk.iv);
-		*(u128 *)walk.iv = last_iv;
-		err = skcipher_walk_done(&walk, nbytes);
-	}
-
-	glue_fpu_end(fpu_enabled);
-	return err;
-}
-EXPORT_SYMBOL_GPL(glue_cbc_decrypt_req_128bit);
-
-MODULE_LICENSE("GPL");