/****************************************************************************
 * Ralink Tech Inc.
 * Taiwan, R.O.C.
 *
 * (c) Copyright 2002, Ralink Technology, Inc.
 *
 * All rights reserved. Ralink's source code is an unpublished work and the
 * use of a copyright notice does not imply otherwise. This source code
 * contains confidential trade secret material of Ralink Tech. Any attemp
 * or participation in deciphering, decoding, reverse engineering or in any
 * way altering the source code is stricitly prohibited, unless the prior
 * written consent of Ralink Technology, Inc. is obtained.
 ***************************************************************************/


/****************************************************************************
    Module Name:
    SHA2

    Abstract:
    FIPS 180-2: Secure Hash Standard (SHS)
    
    Revision History:
    Who         When            What
    --------    ----------      ------------------------------------------
    Eddy        2008/11/24      Create SHA1
    Eddy        2008/07/23      Create SHA256
***************************************************************************/

#ifndef __CRYPT_SHA2_H__
#define __CRYPT_SHA2_H__

#ifdef CRYPT_TESTPLAN
#include "crypt_testplan.h"
#else
#include "rt_config.h"
#endif /* CRYPT_TESTPLAN */

/* Algorithm options */
#define SHA1_SUPPORT
#define SHA256_SUPPORT

#ifdef SHA1_SUPPORT
#define SHA1_BLOCK_SIZE    64 /* 512 bits = 64 bytes */
#define SHA1_DIGEST_SIZE   20 /* 160 bits = 20 bytes */
typedef struct _SHA1_CTX_STRUC {
    UINT32 HashValue[5];  /* 5 = (SHA1_DIGEST_SIZE / 32) */
    UINT64 MessageLen;    /* total size */
    UINT8  Block[SHA1_BLOCK_SIZE];
    UINT   BlockLen;
} SHA1_CTX_STRUC, *PSHA1_CTX_STRUC;

VOID SHA1_Init (
    IN  SHA1_CTX_STRUC *pSHA_CTX);
VOID SHA1_Hash (
    IN  SHA1_CTX_STRUC *pSHA_CTX);
VOID SHA1_Append (
    IN  SHA1_CTX_STRUC *pSHA_CTX, 
    IN  const UINT8 Message[], 
    IN  UINT MessageLen);
VOID SHA1_End (
    IN  SHA1_CTX_STRUC *pSHA_CTX, 
    OUT UINT8 DigestMessage[]);
VOID RT_SHA1 (
    IN  const UINT8 Message[], 
    IN  UINT MessageLen, 
    OUT UINT8 DigestMessage[]);
#endif /* SHA1_SUPPORT */

#ifdef SHA256_SUPPORT
#define SHA256_BLOCK_SIZE   64 /* 512 bits = 64 bytes */
#define SHA256_DIGEST_SIZE  32 /* 256 bits = 32 bytes */
typedef struct _SHA256_CTX_STRUC {
    UINT32 HashValue[8];  /* 8 = (SHA256_DIGEST_SIZE / 32) */
    UINT64 MessageLen;    /* total size */
    UINT8  Block[SHA256_BLOCK_SIZE];
    UINT   BlockLen;
} SHA256_CTX_STRUC, *PSHA256_CTX_STRUC;

VOID SHA256_Init (
    IN  SHA256_CTX_STRUC *pSHA_CTX);
VOID SHA256_Hash (
    IN  SHA256_CTX_STRUC *pSHA_CTX);
VOID SHA256_Append (
    IN  SHA256_CTX_STRUC *pSHA_CTX, 
    IN  const UINT8 Message[], 
    IN  UINT MessageLen);
VOID SHA256_End (
    IN  SHA256_CTX_STRUC *pSHA_CTX, 
    OUT UINT8 DigestMessage[]);
VOID RT_SHA256 (
    IN  const UINT8 Message[], 
    IN  UINT MessageLen,
    OUT UINT8 DigestMessage[]);
#endif /* SHA256_SUPPORT */

#endif /* __CRYPT_SHA2_H__ */

