[PATCH] s390: in-kernel crypto rename

Replace all references to z990 by s390 in the in-kernel crypto files in
arch/s390/crypto.  The code is not specific to a particular machine (z990) but
to the s390 platform.  Big diff, does nothing..

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 284 deletions

diff --git a/arch/s390/crypto/des_z990.c b/arch/s390/crypto/des_z990.c
deleted file mode 100644
index 813cf37b1177..000000000000
--- a/arch/s390/crypto/des_z990.c
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- * Cryptographic API.
- *
- * z990 implementation of the DES Cipher Algorithm.
- *
- * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Thomas Spatzier (tspat@de.ibm.com)
- *
- *
- * 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 <linux/init.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/errno.h>
-#include <asm/scatterlist.h>
-#include <linux/crypto.h>
-#include "crypt_z990.h"
-#include "crypto_des.h"
-
-#define DES_BLOCK_SIZE 8
-#define DES_KEY_SIZE 8
-
-#define DES3_128_KEY_SIZE	(2 * DES_KEY_SIZE)
-#define DES3_128_BLOCK_SIZE	DES_BLOCK_SIZE
-
-#define DES3_192_KEY_SIZE	(3 * DES_KEY_SIZE)
-#define DES3_192_BLOCK_SIZE	DES_BLOCK_SIZE
-
-struct crypt_z990_des_ctx {
-	u8 iv[DES_BLOCK_SIZE];
-	u8 key[DES_KEY_SIZE];
-};
-
-struct crypt_z990_des3_128_ctx {
-	u8 iv[DES_BLOCK_SIZE];
-	u8 key[DES3_128_KEY_SIZE];
-};
-
-struct crypt_z990_des3_192_ctx {
-	u8 iv[DES_BLOCK_SIZE];
-	u8 key[DES3_192_KEY_SIZE];
-};
-
-static int
-des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
-{
-	struct crypt_z990_des_ctx *dctx;
-	int ret;
-
-	dctx = ctx;
-	//test if key is valid (not a weak key)
-	ret = crypto_des_check_key(key, keylen, flags);
-	if (ret == 0){
-		memcpy(dctx->key, key, keylen);
-	}
-	return ret;
-}
-
-
-static void
-des_encrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
-}
-
-static void
-des_decrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE);
-}
-
-static struct crypto_alg des_alg = {
-	.cra_name		=	"des",
-	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
-	.cra_blocksize		=	DES_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_z990_des_ctx),
-	.cra_module		=	THIS_MODULE,
-	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
-	.cra_u			=	{ .cipher = {
-	.cia_min_keysize	=	DES_KEY_SIZE,
-	.cia_max_keysize	=	DES_KEY_SIZE,
-	.cia_setkey		= 	des_setkey,
-	.cia_encrypt		=	des_encrypt,
-	.cia_decrypt		=	des_decrypt } }
-};
-
-/*
- * RFC2451:
- *
- *   For DES-EDE3, there is no known need to reject weak or
- *   complementation keys.  Any weakness is obviated by the use of
- *   multiple keys.
- *
- *   However, if the two  independent 64-bit keys are equal,
- *   then the DES3 operation is simply the same as DES.
- *   Implementers MUST reject keys that exhibit this property.
- *
- */
-static int
-des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
-{
-	int i, ret;
-	struct crypt_z990_des3_128_ctx *dctx;
-	const u8* temp_key = key;
-
-	dctx = ctx;
-	if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE))) {
-
-		*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
-		return -EINVAL;
-	}
-	for (i = 0; i < 2; i++,	temp_key += DES_KEY_SIZE) {
-		ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
-		if (ret < 0)
-			return ret;
-	}
-	memcpy(dctx->key, key, keylen);
-	return 0;
-}
-
-static void
-des3_128_encrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des3_128_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src,
-			DES3_128_BLOCK_SIZE);
-}
-
-static void
-des3_128_decrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des3_128_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src,
-			DES3_128_BLOCK_SIZE);
-}
-
-static struct crypto_alg des3_128_alg = {
-	.cra_name		=	"des3_ede128",
-	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
-	.cra_blocksize		=	DES3_128_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_z990_des3_128_ctx),
-	.cra_module		=	THIS_MODULE,
-	.cra_list		=	LIST_HEAD_INIT(des3_128_alg.cra_list),
-	.cra_u			=	{ .cipher = {
-	.cia_min_keysize	=	DES3_128_KEY_SIZE,
-	.cia_max_keysize	=	DES3_128_KEY_SIZE,
-	.cia_setkey		= 	des3_128_setkey,
-	.cia_encrypt		=	des3_128_encrypt,
-	.cia_decrypt		=	des3_128_decrypt } }
-};
-
-/*
- * RFC2451:
- *
- *   For DES-EDE3, there is no known need to reject weak or
- *   complementation keys.  Any weakness is obviated by the use of
- *   multiple keys.
- *
- *   However, if the first two or last two independent 64-bit keys are
- *   equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the
- *   same as DES.  Implementers MUST reject keys that exhibit this
- *   property.
- *
- */
-static int
-des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags)
-{
-	int i, ret;
-	struct crypt_z990_des3_192_ctx *dctx;
-	const u8* temp_key;
-
-	dctx = ctx;
-	temp_key = key;
-	if (!(memcmp(key, &key[DES_KEY_SIZE], DES_KEY_SIZE) &&
-	    memcmp(&key[DES_KEY_SIZE], &key[DES_KEY_SIZE * 2],
-	    					DES_KEY_SIZE))) {
-
-		*flags |= CRYPTO_TFM_RES_BAD_KEY_SCHED;
-		return -EINVAL;
-	}
-	for (i = 0; i < 3; i++, temp_key += DES_KEY_SIZE) {
-		ret = crypto_des_check_key(temp_key, DES_KEY_SIZE, flags);
-		if (ret < 0){
-			return ret;
-		}
-	}
-	memcpy(dctx->key, key, keylen);
-	return 0;
-}
-
-static void
-des3_192_encrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des3_192_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src,
-			DES3_192_BLOCK_SIZE);
-}
-
-static void
-des3_192_decrypt(void *ctx, u8 *dst, const u8 *src)
-{
-	struct crypt_z990_des3_192_ctx *dctx;
-
-	dctx = ctx;
-	crypt_z990_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src,
-			DES3_192_BLOCK_SIZE);
-}
-
-static struct crypto_alg des3_192_alg = {
-	.cra_name		=	"des3_ede",
-	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
-	.cra_blocksize		=	DES3_192_BLOCK_SIZE,
-	.cra_ctxsize		=	sizeof(struct crypt_z990_des3_192_ctx),
-	.cra_module		=	THIS_MODULE,
-	.cra_list		=	LIST_HEAD_INIT(des3_192_alg.cra_list),
-	.cra_u			=	{ .cipher = {
-	.cia_min_keysize	=	DES3_192_KEY_SIZE,
-	.cia_max_keysize	=	DES3_192_KEY_SIZE,
-	.cia_setkey		= 	des3_192_setkey,
-	.cia_encrypt		=	des3_192_encrypt,
-	.cia_decrypt		=	des3_192_decrypt } }
-};
-
-
-
-static int
-init(void)
-{
-	int ret;
-
-	if (!crypt_z990_func_available(KM_DEA_ENCRYPT) ||
-	    !crypt_z990_func_available(KM_TDEA_128_ENCRYPT) ||
-	    !crypt_z990_func_available(KM_TDEA_192_ENCRYPT)){
-		return -ENOSYS;
-	}
-
-	ret = 0;
-	ret |= (crypto_register_alg(&des_alg) == 0)? 0:1;
-	ret |= (crypto_register_alg(&des3_128_alg) == 0)? 0:2;
-	ret |= (crypto_register_alg(&des3_192_alg) == 0)? 0:4;
-	if (ret){
-		crypto_unregister_alg(&des3_192_alg);
-		crypto_unregister_alg(&des3_128_alg);
-		crypto_unregister_alg(&des_alg);
-		return -EEXIST;
-	}
-
-	printk(KERN_INFO "crypt_z990: des_z990 loaded.\n");
-	return 0;
-}
-
-static void __exit
-fini(void)
-{
-	crypto_unregister_alg(&des3_192_alg);
-	crypto_unregister_alg(&des3_128_alg);
-	crypto_unregister_alg(&des_alg);
-}
-
-module_init(init);
-module_exit(fini);
-
-MODULE_ALIAS("des");
-MODULE_ALIAS("des3_ede");
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");