/*---------------------------------------------------------------------------*
  Project:  TwlSDK - OS - include
  File:     systemCall.h

  Copyright 2007-2008 Nintendo. All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law. They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Log: $
  $NoKeywords: $
 *---------------------------------------------------------------------------*/

#ifndef TWL_OS_SYSTEMCALL_H_
#define TWL_OS_SYSTEMCALL_H_

#define SVC_SHA1_DIGEST_SIZE    20
#define SVC_SHA1_BLOCK_SIZE     64
#define SVC_RSA1024_BLOCK_SIZE  128

#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    u32* head;
    u32* tail;
    u32  size;
}
SVCSignHeapContext;

typedef struct SVCSHA1Context
{
    u32 h0,h1,h2,h3,h4;
    u32 Nl,Nh;
    u32 data[16];
    int num;
    void (*sha_block)(struct SVCSHA1Context *c, const u8 *W, int num);
}
SVCSHA1Context;

typedef struct SVCHMACSHA1Context
{
    SVCSHA1Context  sha1_ctx;
    u8              key[SVC_SHA1_BLOCK_SIZE];
    u32             keylen;
}
SVCHMACSHA1Context;

typedef struct
{
    void*       output;
    const void* input;
    const void* key;
}
SVCSignBuffers;


void SVC_InitSignHeap(
                    SVCSignHeapContext* acmemory_pool,
                    void*           heap,
                    u32             len
                    );

int SVC_DecryptRSA(
                    const SVCSignHeapContext*     acmemory_pool,
                    const SVCSignBuffers*     pData,
                    u32*            len        // Output size
                    );

int SVC_DecryptSign(
                    const SVCSignHeapContext*     acmemory_pool,
                    void*           buffer,     //  Output domain
                    const void*     sgn_ptr,    //  Pointer to data
                    const void*     key_ptr     //  Pointer to key
                    );

int SVC_DecryptSignDER(
                    const SVCSignHeapContext*     acmemory_pool,
                    void*           buffer,     //  Output domain
                    const void*     sgn_ptr,    //  Pointer to data
                    const void*     key_ptr     //  Pointer to key
                    );

void SVC_SHA1Init( SVCSHA1Context *ctx );
void SVC_SHA1Update( SVCSHA1Context *ctx, const void *data, u32 len );
void SVC_SHA1GetHash( SVCSHA1Context *ctx, void *md );

void SVC_CalcSHA1(
                    void*         md,         //  Output domain
                    const void*   data,       //  Pointer to data
                    u32           len         //  Data length
                    );

int SVC_CompareSHA1(
                    const void* decedHash,    //  SVC_Decrypto* output
                    const void* digest        //  SVC_GetDigest output
                    );

int SVC_RandomSHA1(
                    void*           dest_ptr,   // Pointer to the output data
                    u32             dest_len,   // Output data length
                    const void*     src_ptr,    // Pointer to the input data
                    u32             src_len     // Input data length
                    );

s32 SVC_UncompressLZ8FromDevice( const void* srcp,
                                  void* destp,
                                  const void* paramp,
                                  const MIReadStreamCallbacks *callbacks
                                  );

void SVC_HMACSHA1Init( SVCHMACSHA1Context *ctx, const void *key, u32 keylen );
void SVC_HMACSHA1Update( SVCHMACSHA1Context *ctx, const void *data, u32 len );
void SVC_HMACSHA1GetHash( SVCHMACSHA1Context *ctx, void* md );
void SVC_CalcHMACSHA1( void* md, const void* data, u32 len, const void* key, u32 keylen );


#ifdef __cplusplus
} /* extern "C" */
#endif

/* TWL_OS_SYSTEMCALL_H_ */
#endif