src/inc/marvin32.h

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 #ifndef MARVIN32_INCLUDED
   6 #define MARVIN32_INCLUDED
   7
   8
   9 #include "common.h"
  10 #include "windows.h"
  11
  12 //
  13 // Pointer-const typedefs:
  14 //
  15 // These definitions are missing from the standard Windows declarations.
  16 // Should probably be moved to a central typedef file.
  17 //
  18 typedef const BYTE      * PCBYTE;
  19 typedef const USHORT    * PCUSHORT;
  20 typedef const ULONG     * PCULONG;
  21 typedef const ULONGLONG * PCULONGLONG;
  22 typedef const VOID      * PCVOID;
  23
  24
  25
  26 //
  27 // MARVIN32
  28 //
  29
  30 #define SYMCRYPT_MARVIN32_RESULT_SIZE       (8)
  31 #define SYMCRYPT_MARVIN32_SEED_SIZE         (8)
  32 #define SYMCRYPT_MARVIN32_INPUT_BLOCK_SIZE  (4)
  33
  34 // These macros only support little-endian machines with unaligned access
  35 #define LOAD_LSBFIRST16( p ) ( *(USHORT    *)(p))
  36 #define LOAD_LSBFIRST32( p ) ( *(ULONG     *)(p))
  37 #define STORE_LSBFIRST32( p, x ) ( *(ULONG     *)(p) =        (x) )
  38
  39 // Disable the warning about padding the struct on amd64
  40 #pragma warning(push)
  41 #pragma warning(disable:4324)
  42
  43 typedef struct _SYMCRYPT_MARVIN32_EXPANDED_SEED
  44 {
  45     ULONG   s[2];
  46 } SYMCRYPT_MARVIN32_EXPANDED_SEED, *PSYMCRYPT_MARVIN32_EXPANDED_SEED;
  47
  48 typedef SYMCRYPT_MARVIN32_EXPANDED_SEED SYMCRYPT_MARVIN32_CHAINING_STATE, *PSYMCRYPT_MARVIN32_CHAINING_STATE;
  49 typedef const SYMCRYPT_MARVIN32_EXPANDED_SEED * PCSYMCRYPT_MARVIN32_EXPANDED_SEED;
  50
  51 typedef struct _SYMCRYPT_MARVIN32_STATE
  52 {
  53     BYTE                                buffer[8];  // 4 bytes of data, 4 more bytes for final padding
  54     SYMCRYPT_MARVIN32_CHAINING_STATE    chain;      // chaining state
  55     PCSYMCRYPT_MARVIN32_EXPANDED_SEED   pSeed;      //
  56     ULONG                               dataLength; // length of the data processed so far, mod 2^32
  57 } SYMCRYPT_MARVIN32_STATE, *PSYMCRYPT_MARVIN32_STATE;
  58 typedef const SYMCRYPT_MARVIN32_STATE *PCSYMCRYPT_MARVIN32_STATE;
  59 #pragma warning(pop)
  60
  61 //
  62 // Function declarations
  63 //
  64 HRESULT SymCryptMarvin32ExpandSeed(
  65         __out               PSYMCRYPT_MARVIN32_EXPANDED_SEED    pExpandedSeed,
  66         __in_ecount(cbSeed) PCBYTE                              pbSeed,
  67                             SIZE_T                              cbSeed);
  68
  69 VOID SymCryptMarvin32Init(_Out_   PSYMCRYPT_MARVIN32_STATE            pState,
  70         _In_    PCSYMCRYPT_MARVIN32_EXPANDED_SEED   pExpandedSeed);
  71
  72 VOID SymCryptMarvin32Result(
  73         _Inout_                                        PSYMCRYPT_MARVIN32_STATE    pState,
  74         _Out_  PBYTE                       pbResult);
  75
  76 VOID SymCryptMarvin32Append(_Inout_                    SYMCRYPT_MARVIN32_STATE * state,
  77         _In_reads_bytes_(cbData) PCBYTE                    pbData,
  78         SIZE_T               cbData);
  79
  80 VOID SymCryptMarvin32(
  81         __in                                            PCSYMCRYPT_MARVIN32_EXPANDED_SEED   pExpandedSeed,
  82         __in_ecount(cbData)                             PCBYTE                              pbData,
  83                                                         SIZE_T                              cbData,
  84         __out_ecount(SYMCRYPT_MARVIN32_RESULT_SIZE)     PBYTE                               pbResult);
  85 #endif // MARVIN32_INCLUDED