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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
#ifndef MARVIN32_INCLUDED
#define MARVIN32_INCLUDED
#include "common.h"
#include "windows.h"
//
// Pointer-const typedefs:
//
// These definitions are missing from the standard Windows declarations.
// Should probably be moved to a central typedef file.
//
typedef const BYTE * PCBYTE;
typedef const USHORT * PCUSHORT;
typedef const ULONG * PCULONG;
typedef const ULONGLONG * PCULONGLONG;
typedef const VOID * PCVOID;
//
// MARVIN32
//
#define SYMCRYPT_MARVIN32_RESULT_SIZE (8)
#define SYMCRYPT_MARVIN32_SEED_SIZE (8)
#define SYMCRYPT_MARVIN32_INPUT_BLOCK_SIZE (4)
// These macros only support little-endian machines with unaligned access
#define LOAD_LSBFIRST16( p ) ( *(USHORT *)(p))
#define LOAD_LSBFIRST32( p ) ( *(ULONG *)(p))
#define STORE_LSBFIRST32( p, x ) ( *(ULONG *)(p) = (x) )
// Disable the warning about padding the struct on amd64
#pragma warning(push)
#pragma warning(disable:4324)
typedef struct _SYMCRYPT_MARVIN32_EXPANDED_SEED
{
ULONG s[2];
} SYMCRYPT_MARVIN32_EXPANDED_SEED, *PSYMCRYPT_MARVIN32_EXPANDED_SEED;
typedef SYMCRYPT_MARVIN32_EXPANDED_SEED SYMCRYPT_MARVIN32_CHAINING_STATE, *PSYMCRYPT_MARVIN32_CHAINING_STATE;
typedef const SYMCRYPT_MARVIN32_EXPANDED_SEED * PCSYMCRYPT_MARVIN32_EXPANDED_SEED;
typedef struct _SYMCRYPT_MARVIN32_STATE
{
BYTE buffer[8]; // 4 bytes of data, 4 more bytes for final padding
SYMCRYPT_MARVIN32_CHAINING_STATE chain; // chaining state
PCSYMCRYPT_MARVIN32_EXPANDED_SEED pSeed; //
ULONG dataLength; // length of the data processed so far, mod 2^32
} SYMCRYPT_MARVIN32_STATE, *PSYMCRYPT_MARVIN32_STATE;
typedef const SYMCRYPT_MARVIN32_STATE *PCSYMCRYPT_MARVIN32_STATE;
#pragma warning(pop)
//
// Function declarations
//
HRESULT SymCryptMarvin32ExpandSeed(
__out PSYMCRYPT_MARVIN32_EXPANDED_SEED pExpandedSeed,
__in_ecount(cbSeed) PCBYTE pbSeed,
SIZE_T cbSeed);
VOID SymCryptMarvin32Init(_Out_ PSYMCRYPT_MARVIN32_STATE pState,
_In_ PCSYMCRYPT_MARVIN32_EXPANDED_SEED pExpandedSeed);
VOID SymCryptMarvin32Result(
_Inout_ PSYMCRYPT_MARVIN32_STATE pState,
_Out_ PBYTE pbResult);
VOID SymCryptMarvin32Append(_Inout_ SYMCRYPT_MARVIN32_STATE * state,
_In_reads_bytes_(cbData) PCBYTE pbData,
SIZE_T cbData);
VOID SymCryptMarvin32(
__in PCSYMCRYPT_MARVIN32_EXPANDED_SEED pExpandedSeed,
__in_ecount(cbData) PCBYTE pbData,
SIZE_T cbData,
__out_ecount(SYMCRYPT_MARVIN32_RESULT_SIZE) PBYTE pbResult);
#endif // MARVIN32_INCLUDED
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