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-rw-r--r--crypto/sha1.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/crypto/sha1.c b/crypto/sha1.c
deleted file mode 100644
index 4016f3b8ce9..00000000000
--- a/crypto/sha1.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Cryptographic API.
- *
- * SHA1 Secure Hash Algorithm.
- *
- * Derived from cryptoapi implementation, adapted for in-place
- * scatterlist interface.
- *
- * 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 <linux/cryptohash.h>
-#include <asm/scatterlist.h>
-#include <asm/byteorder.h>
-
-#define SHA1_DIGEST_SIZE 20
-#define SHA1_HMAC_BLOCK_SIZE 64
-
-struct sha1_ctx {
- u64 count;
- u32 state[5];
- u8 buffer[64];
-};
-
-static void sha1_init(void *ctx)
-{
- struct sha1_ctx *sctx = ctx;
- static const struct sha1_ctx initstate = {
- 0,
- { 0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0 },
- { 0, }
- };
-
- *sctx = initstate;
-}
-
-static void sha1_update(void *ctx, const u8 *data, unsigned int len)
-{
- struct sha1_ctx *sctx = ctx;
- unsigned int i, j;
- u32 temp[SHA_WORKSPACE_WORDS];
-
- j = (sctx->count >> 3) & 0x3f;
- sctx->count += len << 3;
-
- if ((j + len) > 63) {
- memcpy(&sctx->buffer[j], data, (i = 64-j));
- sha_transform(sctx->state, sctx->buffer, temp);
- for ( ; i + 63 < len; i += 64) {
- sha_transform(sctx->state, &data[i], temp);
- }
- j = 0;
- }
- else i = 0;
- memset(temp, 0, sizeof(temp));
- memcpy(&sctx->buffer[j], &data[i], len - i);
-}
-
-
-/* Add padding and return the message digest. */
-static void sha1_final(void* ctx, u8 *out)
-{
- struct sha1_ctx *sctx = ctx;
- u32 i, j, index, padlen;
- u64 t;
- u8 bits[8] = { 0, };
- static const u8 padding[64] = { 0x80, };
-
- t = sctx->count;
- bits[7] = 0xff & t; t>>=8;
- bits[6] = 0xff & t; t>>=8;
- bits[5] = 0xff & t; t>>=8;
- bits[4] = 0xff & t; t>>=8;
- bits[3] = 0xff & t; t>>=8;
- bits[2] = 0xff & t; t>>=8;
- bits[1] = 0xff & t; t>>=8;
- bits[0] = 0xff & t;
-
- /* Pad out to 56 mod 64 */
- index = (sctx->count >> 3) & 0x3f;
- padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- sha1_update(sctx, padding, padlen);
-
- /* Append length */
- sha1_update(sctx, bits, sizeof bits);
-
- /* Store state in digest */
- for (i = j = 0; i < 5; i++, j += 4) {
- u32 t2 = sctx->state[i];
- out[j+3] = t2 & 0xff; t2>>=8;
- out[j+2] = t2 & 0xff; t2>>=8;
- out[j+1] = t2 & 0xff; t2>>=8;
- out[j ] = t2 & 0xff;
- }
-
- /* Wipe context */
- memset(sctx, 0, sizeof *sctx);
-}
-
-static struct crypto_alg alg = {
- .cra_name = "sha1",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = SHA1_HMAC_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct 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 init(void)
-{
- return crypto_register_alg(&alg);
-}
-
-static void __exit fini(void)
-{
- crypto_unregister_alg(&alg);
-}
-
-module_init(init);
-module_exit(fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");