103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 and
|
||
|
|
* only version 2 as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _COMMON_H_
|
||
|
|
#define _COMMON_H_
|
||
|
|
|
||
|
|
#include <linux/crypto.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <crypto/aes.h>
|
||
|
|
#include <crypto/hash.h>
|
||
|
|
|
||
|
|
/* key size in bytes */
|
||
|
|
#define QCE_SHA_HMAC_KEY_SIZE 64
|
||
|
|
#define QCE_MAX_CIPHER_KEY_SIZE AES_KEYSIZE_256
|
||
|
|
|
||
|
|
/* IV length in bytes */
|
||
|
|
#define QCE_AES_IV_LENGTH AES_BLOCK_SIZE
|
||
|
|
/* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
|
||
|
|
#define QCE_MAX_IV_SIZE AES_BLOCK_SIZE
|
||
|
|
|
||
|
|
/* maximum nonce bytes */
|
||
|
|
#define QCE_MAX_NONCE 16
|
||
|
|
#define QCE_MAX_NONCE_WORDS (QCE_MAX_NONCE / sizeof(u32))
|
||
|
|
|
||
|
|
/* burst size alignment requirement */
|
||
|
|
#define QCE_MAX_ALIGN_SIZE 64
|
||
|
|
|
||
|
|
/* cipher algorithms */
|
||
|
|
#define QCE_ALG_DES BIT(0)
|
||
|
|
#define QCE_ALG_3DES BIT(1)
|
||
|
|
#define QCE_ALG_AES BIT(2)
|
||
|
|
|
||
|
|
/* hash and hmac algorithms */
|
||
|
|
#define QCE_HASH_SHA1 BIT(3)
|
||
|
|
#define QCE_HASH_SHA256 BIT(4)
|
||
|
|
#define QCE_HASH_SHA1_HMAC BIT(5)
|
||
|
|
#define QCE_HASH_SHA256_HMAC BIT(6)
|
||
|
|
#define QCE_HASH_AES_CMAC BIT(7)
|
||
|
|
|
||
|
|
/* cipher modes */
|
||
|
|
#define QCE_MODE_CBC BIT(8)
|
||
|
|
#define QCE_MODE_ECB BIT(9)
|
||
|
|
#define QCE_MODE_CTR BIT(10)
|
||
|
|
#define QCE_MODE_XTS BIT(11)
|
||
|
|
#define QCE_MODE_CCM BIT(12)
|
||
|
|
#define QCE_MODE_MASK GENMASK(12, 8)
|
||
|
|
|
||
|
|
/* cipher encryption/decryption operations */
|
||
|
|
#define QCE_ENCRYPT BIT(13)
|
||
|
|
#define QCE_DECRYPT BIT(14)
|
||
|
|
|
||
|
|
#define IS_DES(flags) (flags & QCE_ALG_DES)
|
||
|
|
#define IS_3DES(flags) (flags & QCE_ALG_3DES)
|
||
|
|
#define IS_AES(flags) (flags & QCE_ALG_AES)
|
||
|
|
|
||
|
|
#define IS_SHA1(flags) (flags & QCE_HASH_SHA1)
|
||
|
|
#define IS_SHA256(flags) (flags & QCE_HASH_SHA256)
|
||
|
|
#define IS_SHA1_HMAC(flags) (flags & QCE_HASH_SHA1_HMAC)
|
||
|
|
#define IS_SHA256_HMAC(flags) (flags & QCE_HASH_SHA256_HMAC)
|
||
|
|
#define IS_CMAC(flags) (flags & QCE_HASH_AES_CMAC)
|
||
|
|
#define IS_SHA(flags) (IS_SHA1(flags) || IS_SHA256(flags))
|
||
|
|
#define IS_SHA_HMAC(flags) \
|
||
|
|
(IS_SHA1_HMAC(flags) || IS_SHA256_HMAC(flags))
|
||
|
|
|
||
|
|
#define IS_CBC(mode) (mode & QCE_MODE_CBC)
|
||
|
|
#define IS_ECB(mode) (mode & QCE_MODE_ECB)
|
||
|
|
#define IS_CTR(mode) (mode & QCE_MODE_CTR)
|
||
|
|
#define IS_XTS(mode) (mode & QCE_MODE_XTS)
|
||
|
|
#define IS_CCM(mode) (mode & QCE_MODE_CCM)
|
||
|
|
|
||
|
|
#define IS_ENCRYPT(dir) (dir & QCE_ENCRYPT)
|
||
|
|
#define IS_DECRYPT(dir) (dir & QCE_DECRYPT)
|
||
|
|
|
||
|
|
struct qce_alg_template {
|
||
|
|
struct list_head entry;
|
||
|
|
u32 crypto_alg_type;
|
||
|
|
unsigned long alg_flags;
|
||
|
|
const u32 *std_iv;
|
||
|
|
union {
|
||
|
|
struct crypto_alg crypto;
|
||
|
|
struct ahash_alg ahash;
|
||
|
|
} alg;
|
||
|
|
struct qce_device *qce;
|
||
|
|
};
|
||
|
|
|
||
|
|
void qce_cpu_to_be32p_array(__be32 *dst, const u8 *src, unsigned int len);
|
||
|
|
int qce_check_status(struct qce_device *qce, u32 *status);
|
||
|
|
void qce_get_version(struct qce_device *qce, u32 *major, u32 *minor, u32 *step);
|
||
|
|
int qce_start(struct crypto_async_request *async_req, u32 type, u32 totallen,
|
||
|
|
u32 offset);
|
||
|
|
|
||
|
|
#endif /* _COMMON_H_ */
|