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authorJan Glauber <jan.glauber@de.ibm.com>2006-01-06 00:19:17 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:50 -0800
commitc1e26e1ef7ab50f30e5fbf004fe96ed44321ca78 (patch)
treed4319a9441da5b776637945f9413e702296f5ad3 /arch/s390/crypto/sha1_z990.c
parentd0f4c16febf258ba8c0f917ac3ba935fc5459566 (diff)
[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>
Diffstat (limited to 'arch/s390/crypto/sha1_z990.c')
-rw-r--r--arch/s390/crypto/sha1_z990.c167
1 files changed, 0 insertions, 167 deletions
diff --git a/arch/s390/crypto/sha1_z990.c b/arch/s390/crypto/sha1_z990.c
deleted file mode 100644
index 298174ddf5b..00000000000
--- a/arch/s390/crypto/sha1_z990.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * Cryptographic API.
- *
- * z990 implementation of the SHA1 Secure Hash Algorithm.
- *
- * Derived from cryptoapi implementation, adapted for in-place
- * scatterlist interface. Originally based on the public domain
- * implementation written by Steve Reid.
- *
- * s390 Version:
- * Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation
- * Author(s): Thomas Spatzier (tspat@de.ibm.com)
- *
- * 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 <linux/init.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <linux/crypto.h>
-#include <asm/scatterlist.h>
-#include <asm/byteorder.h>
-#include "crypt_z990.h"
-
-#define SHA1_DIGEST_SIZE 20
-#define SHA1_BLOCK_SIZE 64
-
-struct crypt_z990_sha1_ctx {
- u64 count;
- u32 state[5];
- u32 buf_len;
- u8 buffer[2 * SHA1_BLOCK_SIZE];
-};
-
-static void
-sha1_init(void *ctx)
-{
- static const struct crypt_z990_sha1_ctx initstate = {
- .state = {
- 0x67452301,
- 0xEFCDAB89,
- 0x98BADCFE,
- 0x10325476,
- 0xC3D2E1F0
- },
- };
- memcpy(ctx, &initstate, sizeof(initstate));
-}
-
-static void
-sha1_update(void *ctx, const u8 *data, unsigned int len)
-{
- struct crypt_z990_sha1_ctx *sctx;
- long imd_len;
-
- sctx = ctx;
- sctx->count += len * 8; //message bit length
-
- //anything in buffer yet? -> must be completed
- if (sctx->buf_len && (sctx->buf_len + len) >= SHA1_BLOCK_SIZE) {
- //complete full block and hash
- memcpy(sctx->buffer + sctx->buf_len, data,
- SHA1_BLOCK_SIZE - sctx->buf_len);
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer,
- SHA1_BLOCK_SIZE);
- data += SHA1_BLOCK_SIZE - sctx->buf_len;
- len -= SHA1_BLOCK_SIZE - sctx->buf_len;
- sctx->buf_len = 0;
- }
-
- //rest of data contains full blocks?
- imd_len = len & ~0x3ful;
- if (imd_len){
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, data, imd_len);
- data += imd_len;
- len -= imd_len;
- }
- //anything left? store in buffer
- if (len){
- memcpy(sctx->buffer + sctx->buf_len , data, len);
- sctx->buf_len += len;
- }
-}
-
-
-static void
-pad_message(struct crypt_z990_sha1_ctx* sctx)
-{
- int index;
-
- index = sctx->buf_len;
- sctx->buf_len = (sctx->buf_len < 56)?
- SHA1_BLOCK_SIZE:2 * SHA1_BLOCK_SIZE;
- //start pad with 1
- sctx->buffer[index] = 0x80;
- //pad with zeros
- index++;
- memset(sctx->buffer + index, 0x00, sctx->buf_len - index);
- //append length
- memcpy(sctx->buffer + sctx->buf_len - 8, &sctx->count,
- sizeof sctx->count);
-}
-
-/* Add padding and return the message digest. */
-static void
-sha1_final(void* ctx, u8 *out)
-{
- struct crypt_z990_sha1_ctx *sctx = ctx;
-
- //must perform manual padding
- pad_message(sctx);
- crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len);
- //copy digest to out
- memcpy(out, sctx->state, SHA1_DIGEST_SIZE);
- /* Wipe context */
- memset(sctx, 0, sizeof *sctx);
-}
-
-static struct crypto_alg alg = {
- .cra_name = "sha1",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypt_z990_sha1_ctx),
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(alg.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = SHA1_DIGEST_SIZE,
- .dia_init = sha1_init,
- .dia_update = sha1_update,
- .dia_final = sha1_final } }
-};
-
-static int
-init(void)
-{
- int ret = -ENOSYS;
-
- if (crypt_z990_func_available(KIMD_SHA_1)){
- ret = crypto_register_alg(&alg);
- if (ret == 0){
- printk(KERN_INFO "crypt_z990: sha1_z990 loaded.\n");
- }
- }
- return ret;
-}
-
-static void __exit
-fini(void)
-{
- crypto_unregister_alg(&alg);
-}
-
-module_init(init);
-module_exit(fini);
-
-MODULE_ALIAS("sha1");
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");