diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-06-21 16:54:37 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-06-21 16:54:37 +0000 |
commit | 4d953d3a481dd847524eae78c7aae00153bc7efd (patch) | |
tree | 37c9cbe251e4fb790aaa72e862c35822be30b491 /package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c | |
parent | 801985e5286881dd578a19280b2a6c8e212a530d (diff) |
packages: clean up the package folder
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37007 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c')
-rw-r--r-- | package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c b/package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c deleted file mode 100644 index a5f5f90a79..0000000000 --- a/package/platform/lantiq/ltq-deu/src/ifxmips_sha1.c +++ /dev/null @@ -1,301 +0,0 @@ -/****************************************************************************** -** -** FILE NAME : ifxmips_sha1.c -** PROJECT : IFX UEIP -** MODULES : DEU Module for Danube -** -** DATE : September 8, 2009 -** AUTHOR : Mohammad Firdaus -** DESCRIPTION : Data Encryption Unit Driver -** COPYRIGHT : Copyright (c) 2009 -** Infineon Technologies AG -** Am Campeon 1-12, 85579 Neubiberg, Germany -** -** 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. -** -** HISTORY -** $Date $Author $Comment -** 08,Sept 2009 Mohammad Firdaus Initial UEIP release -*******************************************************************************/ -/*! - \defgroup IFX_DEU IFX_DEU_DRIVERS - \ingroup API - \brief ifx deu driver module -*/ - -/*! - \file ifxmips_sha1.c - \ingroup IFX_DEU - \brief SHA1 encryption deu driver file -*/ - -/*! - \defgroup IFX_SHA1_FUNCTIONS IFX_SHA1_FUNCTIONS - \ingroup IFX_DEU - \brief ifx deu sha1 functions -*/ - - -/* Project header */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mm.h> -#include <linux/crypto.h> -#include <linux/cryptohash.h> -#include <crypto/sha.h> -#include <crypto/internal/hash.h> -#include <linux/types.h> -#include <asm/scatterlist.h> -#include <asm/byteorder.h> - -#if defined(CONFIG_DANUBE) -#include "ifxmips_deu_danube.h" -#elif defined(CONFIG_AR9) -#include "ifxmips_deu_ar9.h" -#elif defined(CONFIG_VR9) || defined(CONFIG_AR10) -#include "ifxmips_deu_vr9.h" -#else -#error "Plaform Unknwon!" -#endif - -#define SHA1_DIGEST_SIZE 20 -#define SHA1_HMAC_BLOCK_SIZE 64 -#define HASH_START IFX_HASH_CON - -static spinlock_t lock; -#define CRTCL_SECT_INIT spin_lock_init(&lock) -#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) -#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) - -//#define CRYPTO_DEBUG -#ifdef CRYPTO_DEBUG -extern char debug_level; -#define DPRINTF(level, format, args...) if (level < debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args); -#else -#define DPRINTF(level, format, args...) -#endif - -/* - * \brief SHA1 private structure -*/ -struct sha1_ctx { - int started; - u64 count; - u32 hash[5]; - u32 state[5]; - u8 buffer[64]; -}; - -extern int disable_deudma; - - -/*! \fn static void sha1_transform (u32 *state, const u32 *in) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief main interface to sha1 hardware - * \param state current state - * \param in 64-byte block of input -*/ -static void sha1_transform (struct sha1_ctx *sctx, u32 *state, const u32 *in) -{ - int i = 0; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - unsigned long flag; - - CRTCL_SECT_START; - - /* For context switching purposes, the previous hash output - * is loaded back into the output register - */ - if (sctx->started) { - hashs->D1R = *((u32 *) sctx->hash + 0); - hashs->D2R = *((u32 *) sctx->hash + 1); - hashs->D3R = *((u32 *) sctx->hash + 2); - hashs->D4R = *((u32 *) sctx->hash + 3); - hashs->D5R = *((u32 *) sctx->hash + 4); - } - - for (i = 0; i < 16; i++) { - hashs->MR = in[i]; - }; - - //wait for processing - while (hashs->controlr.BSY) { - // this will not take long - } - - /* For context switching purposes, the output is saved into a - * context struct which can be used later on - */ - *((u32 *) sctx->hash + 0) = hashs->D1R; - *((u32 *) sctx->hash + 1) = hashs->D2R; - *((u32 *) sctx->hash + 2) = hashs->D3R; - *((u32 *) sctx->hash + 3) = hashs->D4R; - *((u32 *) sctx->hash + 4) = hashs->D5R; - - sctx->started = 1; - - CRTCL_SECT_END; -} - -/*! \fn static void sha1_init(struct crypto_tfm *tfm) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 hardware - * \param tfm linux crypto algo transform -*/ -static int sha1_init(struct shash_desc *desc) -{ - struct sha1_ctx *sctx = shash_desc_ctx(desc); - - SHA_HASH_INIT; - - sctx->started = 0; - sctx->count = 0; - return 0; -} - -/*! \fn static void sha1_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief on-the-fly sha1 computation - * \param tfm linux crypto algo transform - * \param data input data - * \param len size of input data -*/ -static int sha1_update(struct shash_desc * desc, const u8 *data, - unsigned int len) -{ - struct sha1_ctx *sctx = shash_desc_ctx(desc); - unsigned int i, j; - - j = (sctx->count >> 3) & 0x3f; - sctx->count += len << 3; - - if ((j + len) > 63) { - memcpy (&sctx->buffer[j], data, (i = 64 - j)); - sha1_transform (sctx, sctx->state, (const u32 *)sctx->buffer); - for (; i + 63 < len; i += 64) { - sha1_transform (sctx, sctx->state, (const u32 *)&data[i]); - } - - j = 0; - } - else - i = 0; - - memcpy (&sctx->buffer[j], &data[i], len - i); - return 0; -} - -/*! \fn static void sha1_final(struct crypto_tfm *tfm, u8 *out) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief compute final sha1 value - * \param tfm linux crypto algo transform - * \param out final md5 output value -*/ -static int sha1_final(struct shash_desc *desc, u8 *out) -{ - struct sha1_ctx *sctx = shash_desc_ctx(desc); - u32 index, padlen; - u64 t; - u8 bits[8] = { 0, }; - static const u8 padding[64] = { 0x80, }; - volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; - unsigned long flag; - - 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 (desc, padding, padlen); - - /* Append length */ - sha1_update (desc, bits, sizeof bits); - - CRTCL_SECT_START; - - *((u32 *) out + 0) = hashs->D1R; - *((u32 *) out + 1) = hashs->D2R; - *((u32 *) out + 2) = hashs->D3R; - *((u32 *) out + 3) = hashs->D4R; - *((u32 *) out + 4) = hashs->D5R; - - CRTCL_SECT_END; - - // Wipe context - memset (sctx, 0, sizeof *sctx); - - return 0; -} - -/* - * \brief SHA1 function mappings -*/ -static struct shash_alg ifxdeu_sha1_alg = { - .digestsize = SHA1_DIGEST_SIZE, - .init = sha1_init, - .update = sha1_update, - .final = sha1_final, - .descsize = sizeof(struct sha1_ctx), - .statesize = sizeof(struct sha1_state), - .base = { - .cra_name = "sha1", - .cra_driver_name= "ifxdeu-sha1", - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - - -/*! \fn int __init ifxdeu_init_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief initialize sha1 driver -*/ -int __init ifxdeu_init_sha1 (void) -{ - int ret = -ENOSYS; - - - if ((ret = crypto_register_shash(&ifxdeu_sha1_alg))) - goto sha1_err; - - CRTCL_SECT_INIT; - - printk (KERN_NOTICE "IFX DEU SHA1 initialized%s.\n", disable_deudma ? "" : " (DMA)"); - return ret; - -sha1_err: - printk(KERN_ERR "IFX DEU SHA1 initialization failed!\n"); - return ret; -} - -/*! \fn void __exit ifxdeu_fini_sha1 (void) - * \ingroup IFX_SHA1_FUNCTIONS - * \brief unregister sha1 driver -*/ -void __exit ifxdeu_fini_sha1 (void) -{ - crypto_unregister_shash(&ifxdeu_sha1_alg); - - -} - - |