1 files changed, 0 insertions, 157 deletions
diff --git a/arch/powerpc/crypto/sha1.c b/arch/powerpc/crypto/sha1.c
deleted file mode 100644
index 3911d5c254fa..000000000000
--- a/arch/powerpc/crypto/sha1.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Cryptographic API.
- *
- * powerpc implementation of the SHA1 Secure Hash Algorithm.
- *
- * Derived from cryptoapi implementation, adapted for in-place
- * scatterlist interface.
- *
- * Derived from "crypto/sha1.c"
- * Copyright (c) Alan Smithee.
- * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
- * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
-#include <crypto/internal/hash.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/cryptohash.h>
-#include <linux/types.h>
-#include <crypto/sha.h>
-#include <asm/byteorder.h>
-
-extern void powerpc_sha_transform(u32 *state, const u8 *src, u32 *temp);
-
-static int sha1_init(struct shash_desc *desc)
-{
-	struct sha1_state *sctx = shash_desc_ctx(desc);
-
-	*sctx = (struct sha1_state){
-		.state = { SHA1_H0, SHA1_H1, SHA1_H2, SHA1_H3, SHA1_H4 },
-	};
-
-	return 0;
-}
-
-static int sha1_update(struct shash_desc *desc, const u8 *data,
-			unsigned int len)
-{
-	struct sha1_state *sctx = shash_desc_ctx(desc);
-	unsigned int partial, done;
-	const u8 *src;
-
-	partial = sctx->count & 0x3f;
-	sctx->count += len;
-	done = 0;
-	src = data;
-
-	if ((partial + len) > 63) {
-		u32 temp[SHA_WORKSPACE_WORDS];
-
-		if (partial) {
-			done = -partial;
-			memcpy(sctx->buffer + partial, data, done + 64);
-			src = sctx->buffer;
-		}
-
-		do {
-			powerpc_sha_transform(sctx->state, src, temp);
-			done += 64;
-			src = data + done;
-		} while (done + 63 < len);
-
-		memzero_explicit(temp, sizeof(temp));
-		partial = 0;
-	}
-	memcpy(sctx->buffer + partial, src, len - done);
-
-	return 0;
-}
-
-
-/* Add padding and return the message digest. */
-static int sha1_final(struct shash_desc *desc, u8 *out)
-{
-	struct sha1_state *sctx = shash_desc_ctx(desc);
-	__be32 *dst = (__be32 *)out;
-	u32 i, index, padlen;
-	__be64 bits;
-	static const u8 padding[64] = { 0x80, };
-
-	bits = cpu_to_be64(sctx->count << 3);
-
-	/* Pad out to 56 mod 64 */
-	index = sctx->count & 0x3f;
-	padlen = (index < 56) ? (56 - index) : ((64+56) - index);
-	sha1_update(desc, padding, padlen);
-
-	/* Append length */
-	sha1_update(desc, (const u8 *)&bits, sizeof(bits));
-
-	/* Store state in digest */
-	for (i = 0; i < 5; i++)
-		dst[i] = cpu_to_be32(sctx->state[i]);
-
-	/* Wipe context */
-	memset(sctx, 0, sizeof *sctx);
-
-	return 0;
-}
-
-static int sha1_export(struct shash_desc *desc, void *out)
-{
-	struct sha1_state *sctx = shash_desc_ctx(desc);
-
-	memcpy(out, sctx, sizeof(*sctx));
-	return 0;
-}
-
-static int sha1_import(struct shash_desc *desc, const void *in)
-{
-	struct sha1_state *sctx = shash_desc_ctx(desc);
-
-	memcpy(sctx, in, sizeof(*sctx));
-	return 0;
-}
-
-static struct shash_alg alg = {
-	.digestsize	=	SHA1_DIGEST_SIZE,
-	.init		=	sha1_init,
-	.update		=	sha1_update,
-	.final		=	sha1_final,
-	.export		=	sha1_export,
-	.import		=	sha1_import,
-	.descsize	=	sizeof(struct sha1_state),
-	.statesize	=	sizeof(struct sha1_state),
-	.base		=	{
-		.cra_name	=	"sha1",
-		.cra_driver_name=	"sha1-powerpc",
-		.cra_blocksize	=	SHA1_BLOCK_SIZE,
-		.cra_module	=	THIS_MODULE,
-	}
-};
-
-static int __init sha1_powerpc_mod_init(void)
-{
-	return crypto_register_shash(&alg);
-}
-
-static void __exit sha1_powerpc_mod_fini(void)
-{
-	crypto_unregister_shash(&alg);
-}
-
-module_init(sha1_powerpc_mod_init);
-module_exit(sha1_powerpc_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
-
-MODULE_ALIAS_CRYPTO("sha1");
-MODULE_ALIAS_CRYPTO("sha1-powerpc");