crypto: blowfish - rename C-version to blowfish_generic

[linux-2.6-microblaze.git] / crypto / blowfish.c

diff --git a/crypto/blowfish.c b/crypto/blowfish.c
deleted file mode 100644 (file)
index 0f86d31..0000000
--- a/crypto/blowfish.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Cryptographic API.
- *
- * Blowfish Cipher Algorithm, by Bruce Schneier.
- * http://www.counterpane.com/blowfish.html
- *
- * Adapted from Kerneli implementation.
- *
- * Copyright (c) Herbert Valerio Riedel <hvr@hvrlab.org>
- * Copyright (c) Kyle McMartin <kyle@debian.org>
- * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
- *
- * 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 <asm/byteorder.h>
-#include <linux/crypto.h>
-#include <linux/types.h>
-#include <crypto/blowfish.h>
-
-/*
- * Round loop unrolling macros, S is a pointer to a S-Box array
- * organized in 4 unsigned longs at a row.
- */
-#define GET32_3(x) (((x) & 0xff))
-#define GET32_2(x) (((x) >> (8)) & (0xff))
-#define GET32_1(x) (((x) >> (16)) & (0xff))
-#define GET32_0(x) (((x) >> (24)) & (0xff))
-
-#define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \
-          S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
-
-#define ROUND(a, b, n)  b ^= P[n]; a ^= bf_F (b)
-
-static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-       struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
-       const __be32 *in_blk = (const __be32 *)src;
-       __be32 *const out_blk = (__be32 *)dst;
-       const u32 *P = ctx->p;
-       const u32 *S = ctx->s;
-       u32 yl = be32_to_cpu(in_blk[0]);
-       u32 yr = be32_to_cpu(in_blk[1]);
-
-       ROUND(yr, yl, 0);
-       ROUND(yl, yr, 1);
-       ROUND(yr, yl, 2);
-       ROUND(yl, yr, 3);
-       ROUND(yr, yl, 4);
-       ROUND(yl, yr, 5);
-       ROUND(yr, yl, 6);
-       ROUND(yl, yr, 7);
-       ROUND(yr, yl, 8);
-       ROUND(yl, yr, 9);
-       ROUND(yr, yl, 10);
-       ROUND(yl, yr, 11);
-       ROUND(yr, yl, 12);
-       ROUND(yl, yr, 13);
-       ROUND(yr, yl, 14);
-       ROUND(yl, yr, 15);
-
-       yl ^= P[16];
-       yr ^= P[17];
-
-       out_blk[0] = cpu_to_be32(yr);
-       out_blk[1] = cpu_to_be32(yl);
-}
-
-static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
-{
-       struct bf_ctx *ctx = crypto_tfm_ctx(tfm);
-       const __be32 *in_blk = (const __be32 *)src;
-       __be32 *const out_blk = (__be32 *)dst;
-       const u32 *P = ctx->p;
-       const u32 *S = ctx->s;
-       u32 yl = be32_to_cpu(in_blk[0]);
-       u32 yr = be32_to_cpu(in_blk[1]);
-
-       ROUND(yr, yl, 17);
-       ROUND(yl, yr, 16);
-       ROUND(yr, yl, 15);
-       ROUND(yl, yr, 14);
-       ROUND(yr, yl, 13);
-       ROUND(yl, yr, 12);
-       ROUND(yr, yl, 11);
-       ROUND(yl, yr, 10);
-       ROUND(yr, yl, 9);
-       ROUND(yl, yr, 8);
-       ROUND(yr, yl, 7);
-       ROUND(yl, yr, 6);
-       ROUND(yr, yl, 5);
-       ROUND(yl, yr, 4);
-       ROUND(yr, yl, 3);
-       ROUND(yl, yr, 2);
-
-       yl ^= P[1];
-       yr ^= P[0];
-
-       out_blk[0] = cpu_to_be32(yr);
-       out_blk[1] = cpu_to_be32(yl);
-}
-
-static struct crypto_alg alg = {
-       .cra_name               =       "blowfish",
-       .cra_flags              =       CRYPTO_ALG_TYPE_CIPHER,
-       .cra_blocksize          =       BF_BLOCK_SIZE,
-       .cra_ctxsize            =       sizeof(struct bf_ctx),
-       .cra_alignmask          =       3,
-       .cra_module             =       THIS_MODULE,
-       .cra_list               =       LIST_HEAD_INIT(alg.cra_list),
-       .cra_u                  =       { .cipher = {
-       .cia_min_keysize        =       BF_MIN_KEY_SIZE,
-       .cia_max_keysize        =       BF_MAX_KEY_SIZE,
-       .cia_setkey             =       blowfish_setkey,
-       .cia_encrypt            =       bf_encrypt,
-       .cia_decrypt            =       bf_decrypt } }
-};
-
-static int __init blowfish_mod_init(void)
-{
-       return crypto_register_alg(&alg);
-}
-
-static void __exit blowfish_mod_fini(void)
-{
-       crypto_unregister_alg(&alg);
-}
-
-module_init(blowfish_mod_init);
-module_exit(blowfish_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Blowfish Cipher Algorithm");