diff options
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/crypto')
11 files changed, 0 insertions, 2865 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/Makefile b/target/linux/ubicom32/files/arch/ubicom32/crypto/Makefile deleted file mode 100644 index 2d8e5863c5..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/Makefile +++ /dev/null @@ -1,36 +0,0 @@ -# -# arch/ubicom32/crypto/Makefile -# <TODO: Replace with short file description> -# -# (C) Copyright 2009, Ubicom, Inc. -# -# This file is part of the Ubicom32 Linux Kernel Port. -# -# The Ubicom32 Linux Kernel Port 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. -# -# The Ubicom32 Linux Kernel Port is distributed in the hope that it -# will be useful, but WITHOUT ANY WARRANTY; without even the implied -# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See -# the GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with the Ubicom32 Linux Kernel Port. If not, -# see <http://www.gnu.org/licenses/>. -# -# Ubicom32 implementation derived from (with many thanks): -# arch/m68knommu -# arch/blackfin -# arch/parisc -# -obj-$(CONFIG_CRYPTO_UBICOM32) += crypto_ubicom32.o -obj-$(CONFIG_CRYPTO_AES_UBICOM32) += aes_ubicom32.o -obj-$(CONFIG_CRYPTO_DES_UBICOM32) += des.o -obj-$(CONFIG_CRYPTO_MD5_UBICOM32) += md5.o -obj-$(CONFIG_CRYPTO_SHA1_UBICOM32) += sha1.o - -des-y := des_ubicom32.o des_check_key.o -md5-y := md5_ubicom32.o md5_ubicom32_asm.o -sha1-y := sha1_ubicom32.o diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/aes_ubicom32.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/aes_ubicom32.c deleted file mode 100644 index f0b9f86bca..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/aes_ubicom32.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * arch/ubicom32/crypto/aes_ubicom32.c - * Ubicom32 implementation of the AES Cipher Algorithm. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <crypto/aes.h> -#include <crypto/algapi.h> -#include <linux/err.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include "crypto_ubicom32.h" -#include <asm/linkage.h> - -struct ubicom32_aes_ctx { - u8 key[AES_MAX_KEY_SIZE]; - u32 ctrl; - int key_len; -}; - -static inline void aes_hw_set_key(const u8 *key, u8 key_len) -{ - /* - * switch case has more overhead than 4 move.4 instructions, so just copy 256 bits - */ - SEC_SET_KEY_256(key); -} - -static inline void aes_hw_set_iv(const u8 *iv) -{ - SEC_SET_IV_4W(iv); -} - -static inline void aes_hw_cipher(u8 *out, const u8 *in) -{ - SEC_SET_INPUT_4W(in); - - asm volatile ( - " ; start AES by writing 0x40(SECURITY_BASE) \n\t" - " move.4 0x40(%0), #0x01 \n\t" - " pipe_flush 0 \n\t" - " \n\t" - " ; wait for the module to calculate the output \n\t" - " btst 0x04(%0), #0 \n\t" - " jmpne.f .-4 \n\t" - : - : "a" (SEC_BASE) - : "cc" - ); - - SEC_GET_OUTPUT_4W(out); -} - -static int __ocm_text aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) -{ - struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm); - - uctx->key_len = key_len; - memcpy(uctx->key, in_key, key_len); - - /* - * leave out HASH_ALG (none = 0), CBC (no = 0), DIR (unknown) yet - */ - switch (uctx->key_len) { - case 16: - uctx->ctrl = SEC_KEY_128_BITS | SEC_ALG_AES; - break; - case 24: - uctx->ctrl = SEC_KEY_192_BITS | SEC_ALG_AES; - break; - case 32: - uctx->ctrl = SEC_KEY_256_BITS | SEC_ALG_AES; - break; - } - - return 0; -} - -static inline void aes_cipher(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags) -{ - const struct ubicom32_aes_ctx *uctx = crypto_tfm_ctx(tfm); - - hw_crypto_lock(); - hw_crypto_check(); - hw_crypto_set_ctrl(uctx->ctrl | extra_flags); - - aes_hw_set_key(uctx->key, uctx->key_len); - aes_hw_cipher(out, in); - - hw_crypto_unlock(); -} - -static void aes_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - aes_cipher(tfm, out, in, SEC_DIR_ENCRYPT); -} - -static void aes_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - aes_cipher(tfm, out, in, SEC_DIR_DECRYPT); -} - -static struct crypto_alg aes_alg = { - .cra_name = "aes", - .cra_driver_name = "aes-ubicom32", - .cra_priority = CRYPTO_UBICOM32_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_aes_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = aes_encrypt, - .cia_decrypt = aes_decrypt, - } - } -}; - -static void __ocm_text ecb_aes_crypt_loop(u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - aes_hw_cipher(out, in); - out += AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - n -= AES_BLOCK_SIZE; - } -} - -static int __ocm_text ecb_aes_crypt(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes, u32 extra_flags) -{ - const struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm); - int ret; - - struct blkcipher_walk walk; - blkcipher_walk_init(&walk, dst, src, nbytes); - ret = blkcipher_walk_virt(desc, &walk); - if (ret) { - return ret; - } - - hw_crypto_lock(); - hw_crypto_check(); - - hw_crypto_set_ctrl(uctx->ctrl | extra_flags); - aes_hw_set_key(uctx->key, uctx->key_len); - - while (likely((nbytes = walk.nbytes))) { - /* only use complete blocks */ - unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); - u8 *out = walk.dst.virt.addr; - u8 *in = walk.src.virt.addr; - - /* finish n/16 blocks */ - ecb_aes_crypt_loop(out, in, n); - - nbytes &= AES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, &walk, nbytes); - } - - hw_crypto_unlock(); - return ret; -} - -static int ecb_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT); -} - -static int ecb_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return ecb_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT); -} - -static struct crypto_alg ecb_aes_alg = { - .cra_name = "ecb(aes)", - .cra_driver_name = "ecb-aes-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_aes_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ecb_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .setkey = aes_set_key, - .encrypt = ecb_aes_encrypt, - .decrypt = ecb_aes_decrypt, - } - } -}; - -#if CRYPTO_UBICOM32_LOOP_ASM -void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - asm volatile ( - "; set init. iv 4w \n\t" - " move.4 0x50(%0), 0x0(%3) \n\t" - " move.4 0x54(%0), 0x4(%3) \n\t" - " move.4 0x58(%0), 0x8(%3) \n\t" - " move.4 0x5c(%0), 0xc(%3) \n\t" - " \n\t" - "; we know n > 0, so we can always \n\t" - "; load the first block \n\t" - "; set input 4w \n\t" - " move.4 0x30(%0), 0x0(%2) \n\t" - " move.4 0x34(%0), 0x4(%2) \n\t" - " move.4 0x38(%0), 0x8(%2) \n\t" - " move.4 0x3c(%0), 0xc(%2) \n\t" - " \n\t" - "; kickoff hw \n\t" - " move.4 0x40(%0), %2 \n\t" - " \n\t" - "; update n & flush \n\t" - " add.4 %4, #-16, %4 \n\t" - " pipe_flush 0 \n\t" - " \n\t" - "; while (n): work on 2nd block \n\t" - " 1: lsl.4 d15, %4, #0x0 \n\t" - " jmpeq.f 5f \n\t" - " \n\t" - "; set input 4w (2nd) \n\t" - " move.4 0x30(%0), 0x10(%2) \n\t" - " move.4 0x34(%0), 0x14(%2) \n\t" - " move.4 0x38(%0), 0x18(%2) \n\t" - " move.4 0x3c(%0), 0x1c(%2) \n\t" - " \n\t" - "; update n/in asap while waiting \n\t" - " add.4 %4, #-16, %4 \n\t" - " move.4 d15, 16(%2)++ \n\t" - " \n\t" - "; wait for the previous output \n\t" - " btst 0x04(%0), #0 \n\t" - " jmpne.f -4 \n\t" - " \n\t" - "; read previous output \n\t" - " move.4 0x0(%1), 0x50(%0) \n\t" - " move.4 0x4(%1), 0x54(%0) \n\t" - " move.4 0x8(%1), 0x58(%0) \n\t" - " move.4 0xc(%1), 0x5c(%0) \n\t" - " \n\t" - "; kick off hw for 2nd input \n\t" - " move.4 0x40(%0), %2 \n\t" - " \n\t" - "; update out asap \n\t" - " move.4 d15, 16(%1)++ \n\t" - " \n\t" - "; go back to loop \n\t" - " jmpt 1b \n\t" - " \n\t" - "; wait for last output \n\t" - " 5: btst 0x04(%0), #0 \n\t" - " jmpne.f -4 \n\t" - " \n\t" - "; read last output \n\t" - " move.4 0x0(%1), 0x50(%0) \n\t" - " move.4 0x4(%1), 0x54(%0) \n\t" - " move.4 0x8(%1), 0x58(%0) \n\t" - " move.4 0xc(%1), 0x5c(%0) \n\t" - " \n\t" - "; copy out iv \n\t" - " move.4 0x0(%3), 0x50(%0) \n\t" - " move.4 0x4(%3), 0x54(%0) \n\t" - " move.4 0x8(%3), 0x58(%0) \n\t" - " move.4 0xc(%3), 0x5c(%0) \n\t" - " \n\t" - : - : "a" (SEC_BASE), "a" (out), "a" (in), "a" (iv), "d" (n) - : "d15", "cc" - ); -} - -#else - -static void __ocm_text cbc_aes_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - aes_hw_set_iv(iv); - while (likely(n)) { - aes_hw_cipher(out, in); - out += AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - n -= AES_BLOCK_SIZE; - } - SEC_COPY_4W(iv, out - AES_BLOCK_SIZE); -} - -#endif - -static void __ocm_text cbc_aes_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - while (likely(n)) { - aes_hw_set_iv(iv); - SEC_COPY_4W(iv, in); - aes_hw_cipher(out, in); - out += AES_BLOCK_SIZE; - in += AES_BLOCK_SIZE; - n -= AES_BLOCK_SIZE; - } -} - -static int __ocm_text cbc_aes_crypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes, u32 extra_flags) -{ - struct ubicom32_aes_ctx *uctx = crypto_blkcipher_ctx(desc->tfm); - int ret; - - struct blkcipher_walk walk; - blkcipher_walk_init(&walk, dst, src, nbytes); - ret = blkcipher_walk_virt(desc, &walk); - if (unlikely(ret)) { - return ret; - } - - hw_crypto_lock(); - hw_crypto_check(); - - hw_crypto_set_ctrl(uctx->ctrl | extra_flags); - aes_hw_set_key(uctx->key, uctx->key_len); - - while (likely((nbytes = walk.nbytes))) { - /* only use complete blocks */ - unsigned int n = nbytes & ~(AES_BLOCK_SIZE - 1); - if (likely(n)) { - u8 *out = walk.dst.virt.addr; - u8 *in = walk.src.virt.addr; - - if (extra_flags & SEC_DIR_ENCRYPT) { - cbc_aes_encrypt_loop(out, in, walk.iv, n); - } else { - cbc_aes_decrypt_loop(out, in, walk.iv, n); - } - } - - nbytes &= AES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, &walk, nbytes); - } - hw_crypto_unlock(); - - return ret; -} - -static int __ocm_text cbc_aes_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_ENCRYPT | SEC_CBC_SET); -} - -static int __ocm_text cbc_aes_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return cbc_aes_crypt(desc, dst, src, nbytes, SEC_DIR_DECRYPT | SEC_CBC_SET); -} - -static struct crypto_alg cbc_aes_alg = { - .cra_name = "cbc(aes)", - .cra_driver_name = "cbc-aes-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_aes_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(cbc_aes_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, - .ivsize = AES_BLOCK_SIZE, - .setkey = aes_set_key, - .encrypt = cbc_aes_encrypt, - .decrypt = cbc_aes_decrypt, - } - } -}; - -static int __init aes_init(void) -{ - int ret; - - hw_crypto_init(); - - ret = crypto_register_alg(&aes_alg); - if (ret) - goto aes_err; - - ret = crypto_register_alg(&ecb_aes_alg); - if (ret) - goto ecb_aes_err; - - ret = crypto_register_alg(&cbc_aes_alg); - if (ret) - goto cbc_aes_err; - -out: - return ret; - -cbc_aes_err: - crypto_unregister_alg(&ecb_aes_alg); -ecb_aes_err: - crypto_unregister_alg(&aes_alg); -aes_err: - goto out; -} - -static void __exit aes_fini(void) -{ - crypto_unregister_alg(&cbc_aes_alg); - crypto_unregister_alg(&ecb_aes_alg); - crypto_unregister_alg(&aes_alg); -} - -module_init(aes_init); -module_exit(aes_fini); - -MODULE_ALIAS("aes"); - -MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); -MODULE_LICENSE("GPL"); diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_des.h b/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_des.h deleted file mode 100644 index 3fc0ac3613..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_des.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * arch/ubicom32/crypto/crypto_des.h - * Function for checking keys for the DES and Triple DES Encryption - * algorithms. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#ifndef __CRYPTO_DES_H__ -#define __CRYPTO_DES_H__ - -extern int crypto_des_check_key(const u8*, unsigned int, u32*); - -#endif /* __CRYPTO_DES_H__ */ diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.c deleted file mode 100644 index 237ebbd9f2..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * arch/ubicom32/crypto/crypto_ubicom32.c - * Generic code to support ubicom32 hardware crypto accelerator - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include "crypto_ubicom32.h" - -spinlock_t crypto_ubicom32_lock; -bool crypto_ubicom32_inited = false; -volatile bool crypto_ubicom32_on = false; -volatile unsigned long crypto_ubicom32_last_use; - -struct timer_list crypto_ubicom32_ps_timer; -void crypto_ubicom32_ps_check(unsigned long data) -{ - unsigned long idle_time = msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS); - - BUG_ON(!crypto_ubicom32_on); - - if (((jiffies - crypto_ubicom32_last_use) > idle_time) && spin_trylock_bh(&crypto_ubicom32_lock)) { - hw_crypto_turn_off(); - spin_unlock_bh(&crypto_ubicom32_lock); - return; - } - - /* keep monitoring */ - hw_crypto_ps_start(); -} diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.h b/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.h deleted file mode 100644 index e754c19b90..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/crypto_ubicom32.h +++ /dev/null @@ -1,346 +0,0 @@ -/* - * arch/ubicom32/crypto/crypto_ubicom32.h - * Support for Ubicom32 cryptographic instructions. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#ifndef _CRYPTO_ARCH_UBICOM32_CRYPT_H -#define _CRYPTO_ARCH_UBICOM32_CRYPT_H - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/jiffies.h> -#include <linux/timer.h> -#include <linux/spinlock.h> -#include <asm/errno.h> -#include <asm/io.h> -#include <asm/ip5000.h> - -#define CRYPTO_UBICOM32_LOOP_ASM 1 -#define CRYPTO_UBICOM32_ALIGNMENT 4 -#define SEC_ALIGNED(p) (((u32)p & 3) == 0) - -#define SEC_BASE SECURITY_BASE -#define SEC_KEY_OFFSET SECURITY_KEY_VALUE(0) -#define SEC_INPUT_OFFSET SECURITY_KEY_IN(0) -#define SEC_OUTPUT_OFFSET SECURITY_KEY_OUT(0) -#define SEC_HASH_OFFSET SECURITY_KEY_HASH(0) - -#define SEC_KEY_128_BITS SECURITY_CTRL_KEY_SIZE(0) -#define SEC_KEY_192_BITS SECURITY_CTRL_KEY_SIZE(1) -#define SEC_KEY_256_BITS SECURITY_CTRL_KEY_SIZE(2) - -#define SEC_HASH_NONE SECURITY_CTRL_HASH_ALG_NONE -#define SEC_HASH_MD5 SECURITY_CTRL_HASH_ALG_MD5 -#define SEC_HASH_SHA1 SECURITY_CTRL_HASH_ALG_SHA1 - -#define SEC_CBC_SET SECURITY_CTRL_CBC -#define SEC_CBC_NONE 0 - -#define SEC_ALG_AES SECURITY_CTRL_CIPHER_ALG_AES -#define SEC_ALG_NONE SECURITY_CTRL_CIPHER_ALG_NONE -#define SEC_ALG_DES SECURITY_CTRL_CIPHER_ALG_DES -#define SEC_ALG_3DES SECURITY_CTRL_CIPHER_ALG_3DES - -#define SEC_DIR_ENCRYPT SECURITY_CTRL_ENCIPHER -#define SEC_DIR_DECRYPT 0 - -#define CRYPTO_UBICOM32_PRIORITY 300 -#define CRYPTO_UBICOM32_COMPOSITE_PRIORITY 400 - -#define HW_CRYPTO_PS_MAX_IDLE_MS 100 /* idle time (ms) before shuting down sm */ - -extern spinlock_t crypto_ubicom32_lock; -extern bool crypto_ubicom32_inited; -extern volatile bool crypto_ubicom32_on; -extern volatile unsigned long crypto_ubicom32_last_use; -extern struct timer_list crypto_ubicom32_ps_timer; -extern void crypto_ubicom32_ps_check(unsigned long data); - -#define SEC_COPY_2W(t, s) \ - asm volatile ( \ - " move.4 0(%0), 0(%1) \n\t" \ - " move.4 4(%0), 4(%1) \n\t" \ - \ - : \ - : "a" (t), "a" (s) \ - ) - -#define SEC_COPY_4W(t, s) \ - asm volatile ( \ - " move.4 0(%0), 0(%1) \n\t" \ - " move.4 4(%0), 4(%1) \n\t" \ - " move.4 8(%0), 8(%1) \n\t" \ - " move.4 12(%0), 12(%1) \n\t" \ - : \ - : "a" (t), "a" (s) \ - ) - -#define SEC_COPY_5W(t, s) \ - asm volatile ( \ - " move.4 0(%0), 0(%1) \n\t" \ - " move.4 4(%0), 4(%1) \n\t" \ - " move.4 8(%0), 8(%1) \n\t" \ - " move.4 12(%0), 12(%1) \n\t" \ - " move.4 16(%0), 16(%1) \n\t" \ - : \ - : "a" (t), "a" (s) \ - ) - -#define SEC_SET_KEY_2W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x10(%0), 0(%1) \n\t" \ - " move.4 0x14(%0), 4(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_SET_KEY_4W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x10(%0), 0(%1) \n\t" \ - " move.4 0x14(%0), 4(%1) \n\t" \ - " move.4 0x18(%0), 8(%1) \n\t" \ - " move.4 0x1c(%0), 12(%1) \n\t" \ - : \ - : "a"(SECURITY_BASE), "a"(x) \ - ) - -#define SEC_SET_KEY_6W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x10(%0), 0(%1) \n\t" \ - " move.4 0x14(%0), 4(%1) \n\t" \ - " move.4 0x18(%0), 8(%1) \n\t" \ - " move.4 0x1c(%0), 12(%1) \n\t" \ - " move.4 0x20(%0), 16(%1) \n\t" \ - " move.4 0x24(%0), 20(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_SET_KEY_8W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x10(%0), 0(%1) \n\t" \ - " move.4 0x14(%0), 4(%1) \n\t" \ - " move.4 0x18(%0), 8(%1) \n\t" \ - " move.4 0x1c(%0), 12(%1) \n\t" \ - " move.4 0x20(%0), 16(%1) \n\t" \ - " move.4 0x24(%0), 20(%1) \n\t" \ - " move.4 0x28(%0), 24(%1) \n\t" \ - " move.4 0x2c(%0), 28(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_SET_KEY_64(k) SEC_SET_KEY_2W(k) -#define SEC_SET_KEY_128(k) SEC_SET_KEY_4W(k) -#define SEC_SET_KEY_192(k) SEC_SET_KEY_6W(k) -#define SEC_SET_KEY_256(k) SEC_SET_KEY_8W(k) - -#define DES_SET_KEY(x) SEC_SET_KEY_64(x) -#define DES3_SET_KEY(x) SEC_SET_KEY_192(x) - -#define SEC_SET_INPUT_2W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x30(%0), 0(%1) \n\t" \ - " move.4 0x34(%0), 4(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_GET_OUTPUT_2W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0(%1), 0x50(%0) \n\t" \ - " move.4 4(%1), 0x54(%0) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_SET_INPUT_4W(x) \ - asm volatile ( \ - " ; write key to Security Keyblock \n\t" \ - " move.4 0x30(%0), 0(%1) \n\t" \ - " move.4 0x34(%0), 4(%1) \n\t" \ - " move.4 0x38(%0), 8(%1) \n\t" \ - " move.4 0x3c(%0), 12(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_GET_OUTPUT_4W(x) \ - asm volatile ( \ - " ; read output from Security Keyblock \n\t" \ - " move.4 0(%1), 0x50(%0) \n\t" \ - " move.4 4(%1), 0x54(%0) \n\t" \ - " move.4 8(%1), 0x58(%0) \n\t" \ - " move.4 12(%1), 0x5c(%0) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_SET_IV_4W(x) \ - asm volatile ( \ - " ; write IV to Security Keyblock \n\t" \ - " move.4 0x50(%0), 0(%1) \n\t" \ - " move.4 0x54(%0), 4(%1) \n\t" \ - " move.4 0x58(%0), 8(%1) \n\t" \ - " move.4 0x5c(%0), 12(%1) \n\t" \ - : \ - : "a" (SECURITY_BASE), "a" (x) \ - ) - -#define SEC_PIPE_FLUSH() asm volatile ( " pipe_flush 0 \n\t" ) - -static inline void hw_crypto_set_ctrl(uint32_t c) -{ - asm volatile ( - " move.4 0(%0), %1 \n\t" - : - : "a" (SECURITY_BASE + SECURITY_CTRL), "d" (c) - ); -} - -static inline void hw_crypto_ps_start(void) -{ - crypto_ubicom32_ps_timer.expires = jiffies + msecs_to_jiffies(HW_CRYPTO_PS_MAX_IDLE_MS >> 1); - add_timer(&crypto_ubicom32_ps_timer); -} - -static inline void hw_crypto_turn_on(void) -{ - asm volatile ( - " moveai A4, %0 \n\t" - " bset 0x0(A4), 0x0(A4), %1 \n\t" - " cycles 11 \n\t" - : - : "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO) - : "a4", "cc" - ); - crypto_ubicom32_on = true; -} - -static inline void hw_crypto_turn_off(void) -{ - asm volatile ( - " moveai A4, %0 \n\t" - " bclr 0x0(A4), 0x0(A4), %1 \n\t" - : - : "i" (OCP_BASE >> 7), "i" (GEN_CLK_PLL_SECURITY_BIT_NO) - : "a4", "cc" - ); - crypto_ubicom32_on = false; -} - -/* - * hw_crypto_check - * Most probably hw crypto is called in clusters and it makes no sense to turn it off - * and on and waster 13 cycles every time. - */ -static inline void hw_crypto_check(void) -{ - if (likely(crypto_ubicom32_on)) { - return; - } - crypto_ubicom32_last_use = jiffies; - hw_crypto_turn_on(); - hw_crypto_ps_start(); -} - -/* - * hw_crypto_ps_init - * Init power save timer - */ -static inline void hw_crypto_ps_init(void) -{ - init_timer_deferrable(&crypto_ubicom32_ps_timer); - crypto_ubicom32_ps_timer.function = crypto_ubicom32_ps_check; - crypto_ubicom32_ps_timer.data = 0; -} - -/* - * hw_crypto_init() - * Initialize OCP security module lock and disables its clock. - */ -static inline void hw_crypto_init(void) -{ - if (!crypto_ubicom32_inited) { - crypto_ubicom32_inited = true; - spin_lock_init(&crypto_ubicom32_lock); - hw_crypto_ps_init(); - hw_crypto_turn_off(); - } -} - -/* - * hw_crypto_lock() - * Locks the OCP security module and enables its clock. - */ -static inline void hw_crypto_lock(void) -{ - spin_lock_bh(&crypto_ubicom32_lock); -} - -/* - * hw_crypto_unlock() - * Unlocks the OCP security module and disables its clock. - */ -static inline void hw_crypto_unlock(void) -{ - crypto_ubicom32_last_use = jiffies; - spin_unlock_bh(&crypto_ubicom32_lock); -} - -#define CONFIG_CRYPTO_UBICOM32_DEBUG 1 - -#ifdef CONFIG_CRYPTO_UBICOM32_DEBUG -static inline void hex_dump(void *buf, int b_size, const char *msg) -{ - u8 *b = (u8 *)buf; - int i; - if (msg) { - printk("%s:\t", msg); - } - - for (i=0; i < b_size; i++) { - printk("%02x ", b[i]); - if ((i & 3) == 3) { - printk(" "); - } - if ((i & 31) == 31) { - printk("\n"); - } - } - printk("\n"); -} -#define UBICOM32_SEC_DUMP(a, b, c) hex_dump(a, b, c) -#else -#define UBICOM32_SEC_DUMP(a, b, c) -#endif - -#endif /* _CRYPTO_ARCH_UBICOM32_CRYPT_H */ diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/des_check_key.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/des_check_key.c deleted file mode 100644 index 162e52477c..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/des_check_key.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * arch/ubicom32/crypto/des_check_key.c - * Ubicom32 architecture function for checking keys for the DES and - * Tripple DES Encryption algorithms. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * Originally released as descore by Dana L. How <how@isl.stanford.edu>. - * Modified by Raimar Falke <rf13@inf.tu-dresden.de> for the Linux-Kernel. - * Derived from Cryptoapi and Nettle implementations, adapted for in-place - * scatterlist interface. Changed LGPL to GPL per section 3 of the LGPL. - * - * s390 Version: - * Copyright IBM Corp. 2003 - * Author(s): Thomas Spatzier - * Jan Glauber (jan.glauber@de.ibm.com) - * - * Derived from "crypto/des.c" - * Copyright (c) 1992 Dana L. How. - * Copyright (c) Raimar Falke <rf13@inf.tu-dresden.de> - * Copyright (c) Gisle Sflensminde <gisle@ii.uib.no> - * Copyright (C) 2001 Niels Mvller. - * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/errno.h> -#include <linux/crypto.h> -#include "crypto_des.h" - -#define ROR(d,c,o) ((d) = (d) >> (c) | (d) << (o)) - -static const u8 parity[] = { - 8,1,0,8,0,8,8,0,0,8,8,0,8,0,2,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,3, - 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, - 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, - 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, - 0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8, - 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, - 8,0,0,8,0,8,8,0,0,8,8,0,8,0,0,8,0,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0, - 4,8,8,0,8,0,0,8,8,0,0,8,0,8,8,0,8,5,0,8,0,8,8,0,0,8,8,0,8,0,6,8, -}; - -/* - * RFC2451: Weak key checks SHOULD be performed. - */ -int -crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags) -{ - u32 n, w; - - n = parity[key[0]]; n <<= 4; - n |= parity[key[1]]; n <<= 4; - n |= parity[key[2]]; n <<= 4; - n |= parity[key[3]]; n <<= 4; - n |= parity[key[4]]; n <<= 4; - n |= parity[key[5]]; n <<= 4; - n |= parity[key[6]]; n <<= 4; - n |= parity[key[7]]; - w = 0x88888888L; - - if ((*flags & CRYPTO_TFM_REQ_WEAK_KEY) - && !((n - (w >> 3)) & w)) { /* 1 in 10^10 keys passes this test */ - if (n < 0x41415151) { - if (n < 0x31312121) { - if (n < 0x14141515) { - /* 01 01 01 01 01 01 01 01 */ - if (n == 0x11111111) goto weak; - /* 01 1F 01 1F 01 0E 01 0E */ - if (n == 0x13131212) goto weak; - } else { - /* 01 E0 01 E0 01 F1 01 F1 */ - if (n == 0x14141515) goto weak; - /* 01 FE 01 FE 01 FE 01 FE */ - if (n == 0x16161616) goto weak; - } - } else { - if (n < 0x34342525) { - /* 1F 01 1F 01 0E 01 0E 01 */ - if (n == 0x31312121) goto weak; - /* 1F 1F 1F 1F 0E 0E 0E 0E (?) */ - if (n == 0x33332222) goto weak; - } else { - /* 1F E0 1F E0 0E F1 0E F1 */ - if (n == 0x34342525) goto weak; - /* 1F FE 1F FE 0E FE 0E FE */ - if (n == 0x36362626) goto weak; - } - } - } else { - if (n < 0x61616161) { - if (n < 0x44445555) { - /* E0 01 E0 01 F1 01 F1 01 */ - if (n == 0x41415151) goto weak; - /* E0 1F E0 1F F1 0E F1 0E */ - if (n == 0x43435252) goto weak; - } else { - /* E0 E0 E0 E0 F1 F1 F1 F1 (?) */ - if (n == 0x44445555) goto weak; - /* E0 FE E0 FE F1 FE F1 FE */ - if (n == 0x46465656) goto weak; - } - } else { - if (n < 0x64646565) { - /* FE 01 FE 01 FE 01 FE 01 */ - if (n == 0x61616161) goto weak; - /* FE 1F FE 1F FE 0E FE 0E */ - if (n == 0x63636262) goto weak; - } else { - /* FE E0 FE E0 FE F1 FE F1 */ - if (n == 0x64646565) goto weak; - /* FE FE FE FE FE FE FE FE */ - if (n == 0x66666666) goto weak; - } - } - } - } - return 0; -weak: - *flags |= CRYPTO_TFM_RES_WEAK_KEY; - return -EINVAL; -} - -EXPORT_SYMBOL(crypto_des_check_key); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("Key Check function for DES & DES3 Cipher Algorithms"); diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/des_ubicom32.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/des_ubicom32.c deleted file mode 100644 index 14e5fb24e6..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/des_ubicom32.c +++ /dev/null @@ -1,761 +0,0 @@ -/* - * arch/ubicom32/crypto/des_ubicom32.c - * Ubicom32 implementation of the DES Cipher Algorithm. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <crypto/algapi.h> -#include <linux/init.h> -#include <linux/module.h> - -#include "crypto_ubicom32.h" -extern int crypto_des_check_key(const u8 *key, unsigned int keylen, u32 *flags); - -#define DES_BLOCK_SIZE 8 -#define DES_KEY_SIZE 8 - -#define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE) -#define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE - -#define DES3_SUB_KEY(key, i) (((u8 *)key) + (i * DES_KEY_SIZE)) - -enum des_ops { - DES_ENCRYPT, - DES_DECRYPT, - - DES3_EDE_ENCRYPT, - DES3_EDE_DECRYPT, - -#ifdef DES3_EEE - DES3_EEE_ENCRYPT, - DES3_EEE_DECRYPT, -#endif -}; - -struct ubicom32_des_ctx { - u8 key[3 * DES_KEY_SIZE]; - u32 ctrl; - int key_len; -}; - -static inline void des_hw_set_key(const u8 *key, u8 key_len) -{ - /* - * HW 3DES is not tested yet, use DES just as ipOS - */ - DES_SET_KEY(key); -} - -static inline void des_hw_cipher(u8 *out, const u8 *in) -{ - SEC_SET_INPUT_2W(in); - - asm volatile ( - " ; start DES by writing 0x38(SECURITY_BASE) \n\t" - " move.4 0x38(%0), #0x01 \n\t" - " pipe_flush 0 \n\t" - " \n\t" - " ; wait for the module to calculate the output \n\t" - " btst 0x04(%0), #0 \n\t" - " jmpne.f .-4 \n\t" - : - : "a" (SEC_BASE) - : "cc" - ); - - SEC_GET_OUTPUT_2W(out); -} - - -static void inline des3_hw_ede_encrypt(u8 *keys, u8 *out, const u8 *in) -{ - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE); - des_hw_cipher(out, in); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE); - des_hw_cipher(out, out); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE); - des_hw_cipher(out, out); -} - -static void inline des3_hw_ede_decrypt(u8 *keys, u8 *out, const u8 *in) -{ - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 2), DES_KEY_SIZE); - des_hw_cipher(out, in); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 1), DES_KEY_SIZE); - des_hw_cipher(out, out); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 0), DES_KEY_SIZE); - des_hw_cipher(out, out); -} - -#ifdef DES3_EEE -static void inline des3_hw_eee_encrypt(u8 *keys, u8 *out, const u8 *in) -{ - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 0), 2); - des_hw_cipher(out, in); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 1), 2); - des_hw_cipher(out, out); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 2), 2); - des_hw_cipher(out, out); -} - -static void inline des3_hw_eee_decrypt(u8 *keys, u8 *out, const u8 *in) -{ - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 2), 2); - des_hw_cipher(out, in); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 1), 2); - des_hw_cipher(out, out); - - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(DES3_SUB_KEY(keys, 0), 2); - des_hw_cipher(out, out); -} -#endif - -static int des_setkey(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen) -{ - struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm); - u32 *flags = &tfm->crt_flags; - int ret; - - /* 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); - dctx->key_len = keylen; - //dctx->ctrl = (keylen == DES_KEY_SIZE) ? SEC_ALG_DES : SEC_ALG_3DES - /* 2DES and 3DES are both implemented with DES hw function */ - dctx->ctrl = SEC_ALG_DES; - } - return ret; -} - -static inline void des_cipher_1b(struct crypto_tfm *tfm, u8 *out, const u8 *in, u32 extra_flags) -{ - const struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm); - - hw_crypto_lock(); - hw_crypto_check(); - hw_crypto_set_ctrl(uctx->ctrl | extra_flags); - - des_hw_set_key(uctx->key, uctx->key_len); - des_hw_cipher(out, in); - - hw_crypto_unlock(); -} - -static void des_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - des_cipher_1b(tfm, out, in, SEC_DIR_ENCRYPT); -} - -static void des_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) -{ - des_cipher_1b(tfm, out, in, SEC_DIR_DECRYPT); -} - -static struct crypto_alg des_alg = { - .cra_name = "des", - .cra_driver_name = "des-ubicom32", - .cra_priority = CRYPTO_UBICOM32_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .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, - } - } -}; - -static void ecb_des_ciper_loop(u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - des_hw_cipher(out, in); - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void ecb_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - des3_hw_ede_encrypt(keys, out, in); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void ecb_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - des3_hw_ede_decrypt(keys, out, in); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -#ifdef DES3_EEE -static void ecb_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - des3_hw_eee_encrypt(keys, out, in); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void ecb_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, unsigned int n) -{ - while (likely(n)) { - des3_hw_eee_decrypt(keys, out, in); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} -#endif - -static inline void ecb_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, unsigned int n) -{ - switch (op) { - case DES_ENCRYPT: - case DES_DECRYPT: - /* set the right algo, direction and key once */ - hw_crypto_set_ctrl(SEC_ALG_DES | (op == DES_ENCRYPT ? SEC_DIR_ENCRYPT : 0)); - des_hw_set_key(uctx->key, uctx->key_len); - ecb_des_ciper_loop(out, in, n); - break; - - case DES3_EDE_ENCRYPT: - ecb_des3_ede_encrypt_loop(uctx->key, out, in, n); - break; - - case DES3_EDE_DECRYPT: - ecb_des3_ede_decrypt_loop(uctx->key, out, in, n); - break; - -#ifdef DES3_EEE - case DES3_EEE_ENCRYPT: - ecb_des3_eee_encrypt_loop(uctx->key, out, in, n); - break; - - case DES3_EEE_DECRYPT: - ecb_des3_eee_decrypt_loop(uctx->key, out, in, n); - break; -#endif - } -} - -static inline void des_xor_2w(u32 *data, u32 *iv) -{ - data[0] ^= iv[0]; - data[1] ^= iv[1]; -} - -static void cbc_des_encrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - while (likely(n)) { - des_xor_2w((u32 *)in, (u32 *)iv); - des_hw_cipher(out, in); - SEC_COPY_2W(iv, out); - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void cbc_des_decrypt_loop(u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - u8 next_iv[DES_BLOCK_SIZE]; - while (likely(n)) { - SEC_COPY_2W(next_iv, in); - des_hw_cipher(out, in); - des_xor_2w((u32 *)out, (u32 *)iv); - SEC_COPY_2W(iv, next_iv); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void cbc_des3_ede_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - while (likely(n)) { - des_xor_2w((u32 *)in, (u32 *)iv); - des3_hw_ede_encrypt(keys, out, in); - SEC_COPY_2W(iv, out); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void cbc_des3_ede_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - u8 next_iv[DES_BLOCK_SIZE]; - while (likely(n)) { - SEC_COPY_2W(next_iv, in); - des3_hw_ede_decrypt(keys, out, in); - des_xor_2w((u32 *)out, (u32 *)iv); - SEC_COPY_2W(iv, next_iv); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -#ifdef DES3_EEE -static void cbc_des3_eee_encrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - while (likely(n)) { - des_xor_2w((u32 *)in, (u32 *)iv); - des3_hw_eee_encrypt(keys, out, in); - SEC_COPY_2W(iv, out); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} - -static void cbc_des3_eee_decrypt_loop(u8 *keys, u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - u8 next_iv[DES_BLOCK_SIZE]; - while (likely(n)) { - SEC_COPY_2W(next_iv, in); - des3_hw_eee_decrypt(keys, out, in); - des_xor_2w((u32 *)out, (u32 *)iv); - SEC_COPY_2W(iv, next_iv); - - out += DES_BLOCK_SIZE; - in += DES_BLOCK_SIZE; - n -= DES_BLOCK_SIZE; - } -} -#endif - -static inline void cbc_des_cipher_n(struct ubicom32_des_ctx *uctx, enum des_ops op, u8 *out, u8 *in, u8 *iv, unsigned int n) -{ - switch (op) { - case DES_ENCRYPT: - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_ENCRYPT); - des_hw_set_key(uctx->key, uctx->key_len); - cbc_des_encrypt_loop(out, in, iv, n); - break; - - case DES_DECRYPT: - /* set the right algo, direction and key once */ - hw_crypto_set_ctrl(SEC_ALG_DES | SEC_DIR_DECRYPT); - des_hw_set_key(uctx->key, uctx->key_len); - cbc_des_decrypt_loop(out, in, iv, n); - break; - - case DES3_EDE_ENCRYPT: - cbc_des3_ede_encrypt_loop(uctx->key, out, in, iv, n); - break; - - case DES3_EDE_DECRYPT: - cbc_des3_ede_decrypt_loop(uctx->key, out, in, iv, n); - break; - -#ifdef DES3_EEE - case DES3_EEE_ENCRYPT: - cbc_des3_eee_encrypt_loop(uctx->key, out, in, iv, n); - break; - - case DES3_EEE_DECRYPT: - cbc_des3_eee_decrypt_loop(uctx->key, out, in, iv, n); - break; -#endif - } -} - -static int des_cipher(struct blkcipher_desc *desc, struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes, u32 extra_flags, enum des_ops op) -{ - struct ubicom32_des_ctx *uctx = crypto_blkcipher_ctx(desc->tfm); - int ret; - - struct blkcipher_walk walk; - blkcipher_walk_init(&walk, dst, src, nbytes); - ret = blkcipher_walk_virt(desc, &walk); - if (ret) { - return ret; - } - - hw_crypto_lock(); - hw_crypto_check(); - - while ((nbytes = walk.nbytes)) { - /* only use complete blocks */ - unsigned int n = nbytes & ~(DES_BLOCK_SIZE - 1); - u8 *out = walk.dst.virt.addr; - u8 *in = walk.src.virt.addr; - - /* finish n/16 blocks */ - if (extra_flags & SEC_CBC_SET) { - cbc_des_cipher_n(uctx, op, out, in, walk.iv, n); - } else { - ecb_des_cipher_n(uctx, op, out, in, n); - } - - nbytes &= DES_BLOCK_SIZE - 1; - ret = blkcipher_walk_done(desc, &walk, nbytes); - } - - hw_crypto_unlock(); - return ret; -} - -static int ecb_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_ENCRYPT); -} - -static int ecb_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES_DECRYPT); -} - -static struct crypto_alg ecb_des_alg = { - .cra_name = "ecb(des)", - .cra_driver_name = "ecb-des-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(ecb_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .setkey = des_setkey, - .encrypt = ecb_des_encrypt, - .decrypt = ecb_des_decrypt, - } - } -}; - -static int cbc_des_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_ENCRYPT); -} - -static int cbc_des_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, struct scatterlist *src, - unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES_DECRYPT); -} - -static struct crypto_alg cbc_des_alg = { - .cra_name = "cbc(des)", - .cra_driver_name = "cbc-des-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(cbc_des_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES_KEY_SIZE, - .max_keysize = DES_KEY_SIZE, - .ivsize = DES_BLOCK_SIZE, - .setkey = des_setkey, - .encrypt = cbc_des_encrypt, - .decrypt = cbc_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 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(struct crypto_tfm *tfm, const u8 *key, - unsigned int keylen) -{ - int i, ret; - struct ubicom32_des_ctx *dctx = crypto_tfm_ctx(tfm); - const u8 *temp_key = key; - u32 *flags = &tfm->crt_flags; - - 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); - dctx->ctrl = SEC_ALG_DES; //hw 3DES not working yet - dctx->key_len = keylen; - return 0; -} - -static void des3_192_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm); - - hw_crypto_lock(); - hw_crypto_check(); - - des3_hw_ede_encrypt(uctx->key, dst, src); - - hw_crypto_unlock(); -} - -static void des3_192_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct ubicom32_des_ctx *uctx = crypto_tfm_ctx(tfm); - - hw_crypto_lock(); - hw_crypto_check(); - - des3_hw_ede_decrypt(uctx->key, dst, src); - - hw_crypto_unlock(); -} - -static struct crypto_alg des3_192_alg = { - .cra_name = "des3_ede", - .cra_driver_name = "des3_ede-ubicom32", - .cra_priority = CRYPTO_UBICOM32_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = DES3_192_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .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 ecb_des3_192_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_ENCRYPT); -} - -static int ecb_des3_192_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_NONE, DES3_EDE_DECRYPT); -} - -static struct crypto_alg ecb_des3_192_alg = { - .cra_name = "ecb(des3_ede)", - .cra_driver_name = "ecb-des3_ede-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_192_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT( - ecb_des3_192_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_192_KEY_SIZE, - .max_keysize = DES3_192_KEY_SIZE, - .setkey = des3_192_setkey, - .encrypt = ecb_des3_192_encrypt, - .decrypt = ecb_des3_192_decrypt, - } - } -}; - -static int cbc_des3_192_encrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_ENCRYPT); -} - -static int cbc_des3_192_decrypt(struct blkcipher_desc *desc, - struct scatterlist *dst, - struct scatterlist *src, unsigned int nbytes) -{ - return des_cipher(desc, dst, src, nbytes, SEC_CBC_SET, DES3_EDE_DECRYPT); -} - -static struct crypto_alg cbc_des3_192_alg = { - .cra_name = "cbc(des3_ede)", - .cra_driver_name = "cbc-des3_ede-ubicom32", - .cra_priority = CRYPTO_UBICOM32_COMPOSITE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, - .cra_blocksize = DES3_192_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_des_ctx), - .cra_alignmask = CRYPTO_UBICOM32_ALIGNMENT - 1, - .cra_type = &crypto_blkcipher_type, - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT( - cbc_des3_192_alg.cra_list), - .cra_u = { - .blkcipher = { - .min_keysize = DES3_192_KEY_SIZE, - .max_keysize = DES3_192_KEY_SIZE, - .ivsize = DES3_192_BLOCK_SIZE, - .setkey = des3_192_setkey, - .encrypt = cbc_des3_192_encrypt, - .decrypt = cbc_des3_192_decrypt, - } - } -}; - -static int init(void) -{ - int ret = 0; - - hw_crypto_init(); - - ret = crypto_register_alg(&des_alg); - if (ret) - goto des_err; - ret = crypto_register_alg(&ecb_des_alg); - if (ret) - goto ecb_des_err; - ret = crypto_register_alg(&cbc_des_alg); - if (ret) - goto cbc_des_err; - - ret = crypto_register_alg(&des3_192_alg); - if (ret) - goto des3_192_err; - ret = crypto_register_alg(&ecb_des3_192_alg); - if (ret) - goto ecb_des3_192_err; - ret = crypto_register_alg(&cbc_des3_192_alg); - if (ret) - goto cbc_des3_192_err; - -out: - return ret; - -cbc_des3_192_err: - crypto_unregister_alg(&ecb_des3_192_alg); -ecb_des3_192_err: - crypto_unregister_alg(&des3_192_alg); -des3_192_err: - crypto_unregister_alg(&cbc_des_alg); -cbc_des_err: - crypto_unregister_alg(&ecb_des_alg); -ecb_des_err: - crypto_unregister_alg(&des_alg); -des_err: - goto out; -} - -static void __exit fini(void) -{ - crypto_unregister_alg(&cbc_des3_192_alg); - crypto_unregister_alg(&ecb_des3_192_alg); - crypto_unregister_alg(&des3_192_alg); - crypto_unregister_alg(&cbc_des_alg); - crypto_unregister_alg(&ecb_des_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"); diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32.c deleted file mode 100644 index 1f2b978ead..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * arch/ubicom32/crypto/md5_ubicom32.c - * Ubicom32 implementation of the MD5 Secure Hash Algorithm - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/crypto.h> - -#include "crypto_ubicom32.h" - -#define MD5_DIGEST_SIZE 16 -#define MD5_BLOCK_SIZE 64 -#define MD5_HASH_WORDS 4 - -extern void _md5_ip5k_init_digest(u32_t *digest); -extern void _md5_ip5k_transform(u32_t *data_input); -extern void _md5_ip5k_get_digest(u32_t *digest); - -struct ubicom32_md5_ctx { - u64 count; /* message length */ - u32 state[MD5_HASH_WORDS]; - u8 buf[2 * MD5_BLOCK_SIZE]; -}; - -static void md5_init(struct crypto_tfm *tfm) -{ - struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm); - mctx->state[0] = 0x01234567; - mctx->state[1] = 0x89abcdef; - mctx->state[2] = 0xfedcba98; - mctx->state[3] = 0x76543210; - - mctx->count = 0; -} - -static inline void _md5_process(u32 *digest, const u8 *data) -{ - _md5_ip5k_transform((u32 *)data); -} - -static void md5_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm); - int index, clen; - - /* how much is already in the buffer? */ - index = mctx->count & 0x3f; - - mctx->count += len; - - if (index + len < MD5_BLOCK_SIZE) { - goto store_only; - } - - hw_crypto_lock(); - hw_crypto_check(); - - /* init digest set ctrl register too */ - _md5_ip5k_init_digest(mctx->state); - - if (unlikely(index == 0 && SEC_ALIGNED(data))) { -fast_process: - while (len >= MD5_BLOCK_SIZE) { - _md5_process(mctx->state, data); - data += MD5_BLOCK_SIZE; - len -= MD5_BLOCK_SIZE; - } - goto store; - } - - /* process one stored block */ - if (index) { - clen = MD5_BLOCK_SIZE - index; - memcpy(mctx->buf + index, data, clen); - _md5_process(mctx->state, mctx->buf); - data += clen; - len -= clen; - index = 0; - } - - if (likely(SEC_ALIGNED(data))) { - goto fast_process; - } - - /* process as many blocks as possible */ - while (len >= MD5_BLOCK_SIZE) { - memcpy(mctx->buf, data, MD5_BLOCK_SIZE); - _md5_process(mctx->state, mctx->buf); - data += MD5_BLOCK_SIZE; - len -= MD5_BLOCK_SIZE; - } - -store: - _md5_ip5k_get_digest(mctx->state); - hw_crypto_unlock(); - -store_only: - /* anything left? */ - if (len) - memcpy(mctx->buf + index , data, len); -} - -/* Add padding and return the message digest. */ -static void md5_final(struct crypto_tfm *tfm, u8 *out) -{ - struct ubicom32_md5_ctx *mctx = crypto_tfm_ctx(tfm); - u32 bits[2]; - unsigned int index, end; - - /* must perform manual padding */ - index = mctx->count & 0x3f; - end = (index < 56) ? MD5_BLOCK_SIZE : (2 * MD5_BLOCK_SIZE); - - /* start pad with 1 */ - mctx->buf[index] = 0x80; - - /* pad with zeros */ - index++; - memset(mctx->buf + index, 0x00, end - index - 8); - - /* append message length */ - bits[0] = mctx->count << 3; - bits[1] = mctx->count >> 29; - __cpu_to_le32s(bits); - __cpu_to_le32s(bits + 1); - - memcpy(mctx->buf + end - 8, &bits, sizeof(bits)); - - /* force to use the mctx->buf and ignore the partial buf */ - mctx->count = mctx->count & ~0x3f; - md5_update(tfm, mctx->buf, end); - - /* copy digest to out */ - memcpy(out, mctx->state, MD5_DIGEST_SIZE); - - /* wipe context */ - memset(mctx, 0, sizeof *mctx); -} - -static struct crypto_alg alg = { - .cra_name = "md5", - .cra_driver_name= "md5-ubicom32", - .cra_priority = CRYPTO_UBICOM32_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = MD5_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_md5_ctx), - .cra_module = THIS_MODULE, - .cra_list = LIST_HEAD_INIT(alg.cra_list), - .cra_u = { - .digest = { - .dia_digestsize = MD5_DIGEST_SIZE, - .dia_init = md5_init, - .dia_update = md5_update, - .dia_final = md5_final, - } - } -}; - -static int __init init(void) -{ - hw_crypto_init(); - return crypto_register_alg(&alg); -} - -static void __exit fini(void) -{ - crypto_unregister_alg(&alg); -} - -module_init(init); -module_exit(fini); - -MODULE_ALIAS("md5"); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("MD5 Secure Hash Algorithm"); diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32_asm.S b/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32_asm.S deleted file mode 100644 index 963a3579a6..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/md5_ubicom32_asm.S +++ /dev/null @@ -1,234 +0,0 @@ -/* - * arch/ubicom32/crypto/md5_ubicom32_asm.S - * MD5 (Message Digest 5) support for Ubicom32 v3 architecture - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ - -#define __ASM__ -#include <asm/ip5000.h> - -#ifndef RP -#define RP A5 -#endif - -;***************************************************************************************** -; The function prototypes -;***************************************************************************************** -; void md5_ip5k_init(void) -; void md5_ip5k_transform(u32_t *data_input) -; void md5_get_digest(u32_t *digest) - -;***************************************************************************************** -; Inputs -;*****************************************************************************************; -; data_input is the pointer to the block of data over which the digest will be calculated. -; It should be word aligned. -; -; digest is the pointer to the block of data into which the digest (the output) will be written. -; It should be word aligned. -; - -;***************************************************************************************** -; Outputs -;***************************************************************************************** -; None - -;***************************************************************************************** -; An: Address Registers -;***************************************************************************************** -#define an_digest A3 -#define an_data_input A3 -#define an_security_block A4 - -;***************************************************************************************** -; Hash Constants -;***************************************************************************************** -#define HASH_MD5_IN0 0x01234567 -#define HASH_MD5_IN1 0x89abcdef -#define HASH_MD5_IN2 0xfedcba98 -#define HASH_MD5_IN3 0x76543210 - -#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2 -#define HASH_SECURITY_BLOCK_CONTROL_INIT_MD5 ((1 << 4) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION) - -;***************************************************************************************** -; Hash related defines -;***************************************************************************************** -#define hash_control 0x00(an_security_block) -#define hash_control_low 0x02(an_security_block) -#define hash_status 0x04(an_security_block) - -#define hash_input_0 0x30(an_security_block) -#define hash_input_1 0x34(an_security_block) -#define hash_input_2 0x38(an_security_block) -#define hash_input_3 0x3c(an_security_block) -#define hash_input_4 0x40(an_security_block) - -#define hash_output_0 0x70(an_security_block) -#define hash_output_0_low 0x72(an_security_block) -#define hash_output_1 0x74(an_security_block) -#define hash_output_1_low 0x76(an_security_block) -#define hash_output_2 0x78(an_security_block) -#define hash_output_2_low 0x7a(an_security_block) -#define hash_output_3 0x7c(an_security_block) -#define hash_output_3_low 0x7e(an_security_block) - -;***************************************************************************************** -; Assembly macros -;***************************************************************************************** - ; C compiler reserves RP (A5) for return address during subroutine call. - ; Use RP to return to caller -.macro call_return_macro - calli RP, 0(RP) -.endm - -#if 0 -;***************************************************************************************** -; void md5_ip5k_init(void) -; initialize the output registers of the hash module -; - ;.section .text.md5_ip5k_init,"ax",@progbits - .section .text - .global _md5_ip5k_init - .func md5_ip5k_init, _md5_ip5k_init - -_md5_ip5k_init: - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5) - - movei hash_output_0, #%hi(HASH_MD5_IN0) - movei hash_output_0_low, #%lo(HASH_MD5_IN0) - - movei hash_output_1, #%hi(HASH_MD5_IN1) - movei hash_output_1_low, #%lo(HASH_MD5_IN1) - - movei hash_output_2, #%hi(HASH_MD5_IN2) - movei hash_output_2_low, #%lo(HASH_MD5_IN2) - - movei hash_output_3, #%hi(HASH_MD5_IN3) - movei hash_output_3_low, #%lo(HASH_MD5_IN3) - - call_return_macro - .endfunc -#endif - -;***************************************************************************************** -; void md5_ip5k_init_digest(u32_t *hash_input) -; initialize the output registers of the hash module - - ;.section .text.md5_ip5k_init_digest,"ax",@progbits - .section .text - .global _md5_ip5k_init_digest - .func md5_ip5k_init_digest, _md5_ip5k_init_digest - -_md5_ip5k_init_digest: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_MD5) - - move.4 hash_output_0, (an_data_input)4++ - move.4 hash_output_1, (an_data_input)4++ - move.4 hash_output_2, (an_data_input)4++ - move.4 hash_output_3, (an_data_input)4++ - - call_return_macro - .endfunc - -;***************************************************************************************** -; void md5_ip5k_transform(u32_t *data_input) -; performs intermediate transformation step for the hash calculation -; - ;.sect .text.md5_ip5k_transform,"ax",@progbits - .section .text - .global _md5_ip5k_transform - .func md5_ip5k_transform, _md5_ip5k_transform - -_md5_ip5k_transform: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; Write the first 128bits (16 bytes) - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - pipe_flush 0 - -md5_ip5k_transform_wait: - ; wait for the module to calculate the output hash - btst hash_status, #0 - jmpne.f md5_ip5k_transform_wait - - call_return_macro - .endfunc - -;***************************************************************************************** -; void md5_ip5k_get_digest(u32_t *digest) -; Return the hash of the input data -; - ;.sect .text.md5_get_digest,"ax",@progbits - .section .text - .global _md5_ip5k_get_digest - .func md5_ip5k_get_digest, _md5_ip5k_get_digest - -_md5_ip5k_get_digest: - movea an_digest, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; we have finished - move.4 0(an_digest), hash_output_0 - move.4 4(an_digest), hash_output_1 - move.4 8(an_digest), hash_output_2 - move.4 12(an_digest), hash_output_3 - - call_return_macro - .endfunc diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32.c b/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32.c deleted file mode 100644 index 2d0c870ebf..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * arch/ubicom32/crypto/sha1_ubicom32.c - * Ubicom32 implementation of the SHA1 Secure Hash Algorithm. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ -#include <linux/init.h> -#include <linux/module.h> -#include <linux/crypto.h> -#include <crypto/sha.h> -#include <asm/linkage.h> - -#include "crypto_ubicom32.h" -#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2 -#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION) - -struct ubicom32_sha1_ctx { - u64 count; /* message length */ - u32 state[5]; - u8 buf[2 * SHA1_BLOCK_SIZE]; -}; - -static inline void sha1_clear_2ws(u8 *buf, int wc) -{ - asm volatile ( - "1: move.4 (%0)4++, #0 \n\t" - " move.4 (%0)4++, #0 \n\t" - " sub.4 %1, #2, %1 \n\t" - " jmple.f 1b \n\t" - : - : "a" (buf), "d" (wc) - : "cc" - ); -} - -/* only wipe out count, state, and 1st half of buf - 9 bytes at most */ -#define sha1_wipe_out(sctx) sha1_clear_2ws((u8 *)sctx, 2 + 5 + 16 - 2) - -static inline void sha1_init_digest(u32 *digest) -{ - hw_crypto_set_ctrl(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1); - asm volatile ( - " ; move digests to hash_output regs \n\t" - " move.4 0x70(%0), 0x0(%1) \n\t" - " move.4 0x74(%0), 0x4(%1) \n\t" - " move.4 0x78(%0), 0x8(%1) \n\t" - " move.4 0x7c(%0), 0xc(%1) \n\t" - " move.4 0x80(%0), 0x10(%1) \n\t" - : - : "a" (SEC_BASE), "a" (digest) - ); -} - -static inline void sha1_transform_feed(const u8 *in) -{ - asm volatile ( - " ; write the 1st 16 bytes \n\t" - " move.4 0x30(%0), 0x0(%1) \n\t" - " move.4 0x34(%0), 0x4(%1) \n\t" - " move.4 0x38(%0), 0x8(%1) \n\t" - " move.4 0x3c(%0), 0xc(%1) \n\t" - " move.4 0x40(%0), %1 \n\t" - " ; write the 2nd 16 bytes \n\t" - " move.4 0x30(%0), 0x10(%1) \n\t" - " move.4 0x34(%0), 0x14(%1) \n\t" - " move.4 0x38(%0), 0x18(%1) \n\t" - " move.4 0x3c(%0), 0x1c(%1) \n\t" - " move.4 0x40(%0), %1 \n\t" - " ; write the 3rd 16 bytes \n\t" - " move.4 0x30(%0), 0x20(%1) \n\t" - " move.4 0x34(%0), 0x24(%1) \n\t" - " move.4 0x38(%0), 0x28(%1) \n\t" - " move.4 0x3c(%0), 0x2c(%1) \n\t" - " move.4 0x40(%0), %1 \n\t" - " ; write the 4th 16 bytes \n\t" - " move.4 0x30(%0), 0x30(%1) \n\t" - " move.4 0x34(%0), 0x34(%1) \n\t" - " move.4 0x38(%0), 0x38(%1) \n\t" - " move.4 0x3c(%0), 0x3c(%1) \n\t" - " move.4 0x40(%0), %1 \n\t" - " pipe_flush 0 \n\t" - : - : "a"(SEC_BASE), "a"(in) - ); -} - -static inline void sha1_transform_wait(void) -{ - asm volatile ( - " btst 0x04(%0), #0 \n\t" - " jmpne.f -4 \n\t" - : - : "a"(SEC_BASE) - : "cc" - ); -} - -static inline void sha1_output_digest(u32 *digest) -{ - asm volatile ( - " move.4 0x0(%1), 0x70(%0) \n\t" - " move.4 0x4(%1), 0x74(%0) \n\t" - " move.4 0x8(%1), 0x78(%0) \n\t" - " move.4 0xc(%1), 0x7c(%0) \n\t" - " move.4 0x10(%1), 0x80(%0) \n\t" - : - : "a" (SEC_BASE), "a" (digest) - ); -} - -static __ocm_text void sha1_init(struct crypto_tfm *tfm) -{ - struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm); - - sctx->state[0] = SHA1_H0; - sctx->state[1] = SHA1_H1; - sctx->state[2] = SHA1_H2; - sctx->state[3] = SHA1_H3; - sctx->state[4] = SHA1_H4; - sctx->count = 0; -} - -static void __ocm_text sha1_update(struct crypto_tfm *tfm, const u8 *data, - unsigned int len) -{ - struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm); - int index, clen; - - /* how much is already in the buffer? */ - index = sctx->count & 0x3f; - - sctx->count += len; - - if (index + len < SHA1_BLOCK_SIZE) { - goto store_only; - } - - hw_crypto_lock(); - hw_crypto_check(); - - /* init digest set ctrl register too */ - sha1_init_digest(sctx->state); - - if (unlikely(index == 0 && SEC_ALIGNED(data))) { -fast_process: -#if CRYPTO_UBICOM32_LOOP_ASM - if (likely(len >= SHA1_BLOCK_SIZE)) { - register unsigned int cnt = len >> 6; // loop = len / 64; - sha1_transform_feed(data); - data += SHA1_BLOCK_SIZE; - - /* cnt is pre-decremented in the loop */ - asm volatile ( - "; while (--loop): work on 2nd block \n\t" - "1: add.4 %2, #-1, %2 \n\t" - " jmpeq.f 5f \n\t" - " \n\t" - " ; write the 1st 16 bytes \n\t" - " move.4 0x30(%1), (%0)4++ \n\t" - " move.4 0x34(%1), (%0)4++ \n\t" - " move.4 0x38(%1), (%0)4++ \n\t" - " move.4 0x3c(%1), (%0)4++ \n\t" - " ; can not kick off hw before it \n\t" - " ; is done with the prev block \n\t" - " \n\t" - " btst 0x04(%1), #0 \n\t" - " jmpne.f -4 \n\t" - " \n\t" - " ; tell hw to load 1st 16 bytes \n\t" - " move.4 0x40(%1), %2 \n\t" - " \n\t" - " ; write the 2nd 16 bytes \n\t" - " move.4 0x30(%1), (%0)4++ \n\t" - " move.4 0x34(%1), (%0)4++ \n\t" - " move.4 0x38(%1), (%0)4++ \n\t" - " move.4 0x3c(%1), (%0)4++ \n\t" - " move.4 0x40(%1), %2 \n\t" - " \n\t" - " ; write the 3rd 16 bytes \n\t" - " move.4 0x30(%1), (%0)4++ \n\t" - " move.4 0x34(%1), (%0)4++ \n\t" - " move.4 0x38(%1), (%0)4++ \n\t" - " move.4 0x3c(%1), (%0)4++ \n\t" - " move.4 0x40(%1), %2 \n\t" - " \n\t" - " ; write the 4th 16 bytes \n\t" - " move.4 0x30(%1), (%0)4++ \n\t" - " move.4 0x34(%1), (%0)4++ \n\t" - " move.4 0x38(%1), (%0)4++ \n\t" - " move.4 0x3c(%1), (%0)4++ \n\t" - " move.4 0x40(%1), %2 \n\t" - " \n\t" - "; no need flush, enough insts \n\t" - "; before next hw wait \n\t" - " \n\t" - "; go back to loop \n\t" - " jmpt 1b \n\t" - " \n\t" - "; wait hw for last block \n\t" - "5: btst 0x04(%1), #0 \n\t" - " jmpne.f -4 \n\t" - " \n\t" - : "+a" (data) - : "a"( SEC_BASE), "d" (cnt) - : "cc" - ); - - len = len & (64 - 1); - } -#else - while (likely(len >= SHA1_BLOCK_SIZE)) { - sha1_transform_feed(data); - data += SHA1_BLOCK_SIZE; - len -= SHA1_BLOCK_SIZE; - sha1_transform_wait(); - } -#endif - goto store; - } - - /* process one stored block */ - if (index) { - clen = SHA1_BLOCK_SIZE - index; - memcpy(sctx->buf + index, data, clen); - sha1_transform_feed(sctx->buf); - data += clen; - len -= clen; - index = 0; - sha1_transform_wait(); - } - - if (likely(SEC_ALIGNED(data))) { - goto fast_process; - } - - /* process as many blocks as possible */ - if (likely(len >= SHA1_BLOCK_SIZE)) { - memcpy(sctx->buf, data, SHA1_BLOCK_SIZE); - do { - sha1_transform_feed(sctx->buf); - data += SHA1_BLOCK_SIZE; - len -= SHA1_BLOCK_SIZE; - if (likely(len >= SHA1_BLOCK_SIZE)) { - memcpy(sctx->buf, data, SHA1_BLOCK_SIZE); - sha1_transform_wait(); - continue; - } - /* it is the last block */ - sha1_transform_wait(); - break; - } while (1); - } - -store: - sha1_output_digest(sctx->state); - hw_crypto_unlock(); - -store_only: - /* anything left? */ - if (len) - memcpy(sctx->buf + index , data, len); -} - -/* Add padding and return the message digest. */ -static void __ocm_text sha1_final(struct crypto_tfm *tfm, u8 *out) -{ - struct ubicom32_sha1_ctx *sctx = crypto_tfm_ctx(tfm); - u64 bits; - unsigned int index, end; - - /* must perform manual padding */ - index = sctx->count & 0x3f; - end = (index < 56) ? SHA1_BLOCK_SIZE : (2 * SHA1_BLOCK_SIZE); - - /* start pad with 1 */ - sctx->buf[index] = 0x80; - - /* pad with zeros */ - index++; - memset(sctx->buf + index, 0x00, end - index - 8); - - /* append message length */ - bits = sctx->count << 3 ; - SEC_COPY_2W(sctx->buf + end - 8, &bits); - - /* force to use the sctx->buf and ignore the partial buf */ - sctx->count = sctx->count & ~0x3f; - sha1_update(tfm, sctx->buf, end); - - /* copy digest to out */ - SEC_COPY_5W(out, sctx->state); - - /* wipe context */ - sha1_wipe_out(sctx); -} - -static struct crypto_alg alg = { - .cra_name = "sha1", - .cra_driver_name= "sha1-ubicom32", - .cra_priority = CRYPTO_UBICOM32_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_DIGEST, - .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct ubicom32_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) -{ - hw_crypto_init(); - return crypto_register_alg(&alg); -} - -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"); diff --git a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S b/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S deleted file mode 100644 index f610b7e9f1..0000000000 --- a/target/linux/ubicom32/files/arch/ubicom32/crypto/sha1_ubicom32_asm.S +++ /dev/null @@ -1,244 +0,0 @@ -/* - * arch/ubicom32/crypto/sha1_ubicom32_asm.S - * SHA1 hash support for Ubicom32 architecture V3. - * - * (C) Copyright 2009, Ubicom, Inc. - * - * This file is part of the Ubicom32 Linux Kernel Port. - * - * The Ubicom32 Linux Kernel Port 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. - * - * The Ubicom32 Linux Kernel Port is distributed in the hope that it - * will be useful, but WITHOUT ANY WARRANTY; without even the implied - * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with the Ubicom32 Linux Kernel Port. If not, - * see <http://www.gnu.org/licenses/>. - * - * Ubicom32 implementation derived from (with many thanks): - * arch/m68knommu - * arch/blackfin - * arch/parisc - */ - -#define __ASM__ -#include <asm/ip5000.h> - -#ifndef RP -#define RP A5 -#endif - -;***************************************************************************************** -; The function prototype -;***************************************************************************************** -; void sha1_ip5k_init(void) -; void sha1_ip5k_transform(u32_t *data_input) -; void sha1_ip5k_output(u32_t *digest) - -;***************************************************************************************** -; Inputs -;***************************************************************************************** -; data_input is the pointer to the block of data over which the digest will be calculated. -; It should be word aligned. -; -; digest is the pointer to the block of data into which the digest (the output) will be written. -; It should be word aligned. -; - -;***************************************************************************************** -; Outputs -;***************************************************************************************** -; None - -;***************************************************************************************** -; Hash Constants -;***************************************************************************************** -#define HASH_SHA1_IN0 0x67452301 -#define HASH_SHA1_IN1 0xefcdab89 -#define HASH_SHA1_IN2 0x98badcfe -#define HASH_SHA1_IN3 0x10325476 -#define HASH_SHA1_IN4 0xc3d2e1f0 - -#define HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION 2 -#define HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1 ((1 << 5) | HASH_SECURITY_BLOCK_CONTROL_INIT_NO_ENCYPTION) - -;***************************************************************************************** -; An: Address Registers -;***************************************************************************************** -#define an_digest a4 -#define an_data_input a4 -#define an_security_block a3 - -;***************************************************************************************** -; Hash related defines -;***************************************************************************************** -#define hash_control 0x00(an_security_block) -#define hash_control_low 0x02(an_security_block) -#define hash_status 0x04(an_security_block) - -#define hash_input_0 0x30(an_security_block) -#define hash_input_1 0x34(an_security_block) -#define hash_input_2 0x38(an_security_block) -#define hash_input_3 0x3c(an_security_block) -#define hash_input_4 0x40(an_security_block) - -#define hash_output_0 0x70(an_security_block) -#define hash_output_0_low 0x72(an_security_block) -#define hash_output_1 0x74(an_security_block) -#define hash_output_1_low 0x76(an_security_block) -#define hash_output_2 0x78(an_security_block) -#define hash_output_2_low 0x7a(an_security_block) -#define hash_output_3 0x7c(an_security_block) -#define hash_output_3_low 0x7e(an_security_block) -#define hash_output_4 0x80(an_security_block) -#define hash_output_4_low 0x82(an_security_block) - -;***************************************************************************************** -; Assembly macros -;***************************************************************************************** - ; C compiler reserves RP (A5) for return address during subroutine call. - ; Use RP to return to caller -.macro call_return_macro - calli RP, 0(RP) -.endm - -;***************************************************************************************** -; void sha1_ip5k_init(void) -; initialize the output registers of the hash module - - ;.section .text.sha1_ip5k_init,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_init - .func sha1_ip5k_init, _sha1_ip5k_init - -_sha1_ip5k_init: - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - - movei hash_output_0, #%hi(HASH_SHA1_IN0) - movei hash_output_0_low, #%lo(HASH_SHA1_IN0) - - movei hash_output_1, #%hi(HASH_SHA1_IN1) - movei hash_output_1_low, #%lo(HASH_SHA1_IN1) - - movei hash_output_2, #%hi(HASH_SHA1_IN2) - movei hash_output_2_low, #%lo(HASH_SHA1_IN2) - - movei hash_output_3, #%hi(HASH_SHA1_IN3) - movei hash_output_3_low, #%lo(HASH_SHA1_IN3) - - movei hash_output_4, #%hi(HASH_SHA1_IN4) - movei hash_output_4_low, #%lo(HASH_SHA1_IN4) - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_init_digest(u32_t *hash_input) -; initialize the output registers of the hash module - - ;.section .text.sha1_ip5k_init_digest,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_init_digest - .func sha1_ip5k_init_digest, _sha1_ip5k_init_digest - -_sha1_ip5k_init_digest: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - movei hash_control, #%hi(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - movei hash_control_low, #%lo(HASH_SECURITY_BLOCK_CONTROL_INIT_SHA1) - - move.4 hash_output_0, (an_data_input)4++ - move.4 hash_output_1, (an_data_input)4++ - move.4 hash_output_2, (an_data_input)4++ - move.4 hash_output_3, (an_data_input)4++ - move.4 hash_output_4, (an_data_input)4++ - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_transform(u32_t *data_input) -; performs intermediate transformation step for the hash calculation - - ;.section .text.sha1_ip5k_transform,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_transform - .func sha1_ip5k_transform, _sha1_ip5k_transform - -_sha1_ip5k_transform: - movea an_data_input, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; Write the first 128bits (16 bytes) - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - move.4 hash_input_0, (an_data_input)4++ - move.4 hash_input_1, (an_data_input)4++ - move.4 hash_input_2, (an_data_input)4++ - move.4 hash_input_3, (an_data_input)4++ - move.4 hash_input_4, D0 - - pipe_flush 0 - -sha1_ip5k_transform_wait: - ; wait for the module to calculate the output hash - btst hash_status, #0 - jmpne.f sha1_ip5k_transform_wait - - call_return_macro - .endfunc - -;***************************************************************************************** -; void sha1_ip5k_output(u32_t *digest) -; Return the hash of the input data - - ;.section .text.sha1_ip5k_output,"ax",@progbits - .section .ocm_text,"ax",@progbits - .global _sha1_ip5k_output - .func sha1_ip5k_output, _sha1_ip5k_output - -_sha1_ip5k_output: - movea an_digest, D0 - - moveai an_security_block, #SECURITY_BASE_EFFECTIVE_ADDRESS - - ; we have finished - move.4 0(an_digest), hash_output_0 - move.4 4(an_digest), hash_output_1 - move.4 8(an_digest), hash_output_2 - move.4 12(an_digest), hash_output_3 - move.4 16(an_digest), hash_output_4 - - call_return_macro - .endfunc - -;***************************************************************************************** -;END ;End of program code -;***************************************************************************************** |