5 files changed, 416 insertions, 576 deletions

@@ -0,0 +1,322 @@
+/*
+   BLAKE2 reference source code package - reference C implementations
+
+   Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under the
+   terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+   your option.  The terms of these licenses can be found at:
+
+   - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+   - OpenSSL license   : https://www.openssl.org/source/license.html
+   - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0
+
+   More information about the BLAKE2 hash function can be found at
+   https://blake2.net.
+*/
+
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "blake2.h"
+
+#define BLAKE2_INLINE
+
+static BLAKE2_INLINE uint32_t load32( const void *src )
+{
+  uint32_t w;
+  memcpy(&w, src, sizeof w);
+  return w;
+}
+
+static BLAKE2_INLINE void store16( void *dst, uint16_t w )
+{
+  memcpy(dst, &w, sizeof w);
+}
+
+static BLAKE2_INLINE void store32( void *dst, uint32_t w )
+{
+  memcpy(dst, &w, sizeof w);
+}
+
+static BLAKE2_INLINE uint32_t rotr32( const uint32_t w, const unsigned c )
+{
+  return ( w >> c ) | ( w << ( 32 - c ) );
+}
+
+/* prevents compiler optimizing out memset() */
+static BLAKE2_INLINE void secure_zero_memory(void *v, size_t n)
+{
+  static void *(*const volatile memset_v)(void *, int, size_t) = &memset;
+  memset_v(v, 0, n);
+}
+
+static const uint32_t blake2s_IV[8] =
+{
+  0x6A09E667UL, 0xBB67AE85UL, 0x3C6EF372UL, 0xA54FF53AUL,
+  0x510E527FUL, 0x9B05688CUL, 0x1F83D9ABUL, 0x5BE0CD19UL
+};
+
+static const uint8_t blake2s_sigma[10][16] =
+{
+  {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 } ,
+  { 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 } ,
+  { 11,  8, 12,  0,  5,  2, 15, 13, 10, 14,  3,  6,  7,  1,  9,  4 } ,
+  {  7,  9,  3,  1, 13, 12, 11, 14,  2,  6,  5, 10,  4,  0, 15,  8 } ,
+  {  9,  0,  5,  7,  2,  4, 10, 15, 14,  1, 11, 12,  6,  8,  3, 13 } ,
+  {  2, 12,  6, 10,  0, 11,  8,  3,  4, 13,  7,  5, 15, 14,  1,  9 } ,
+  { 12,  5,  1, 15, 14, 13,  4, 10,  0,  7,  6,  3,  9,  2,  8, 11 } ,
+  { 13, 11,  7, 14, 12,  1,  3,  9,  5,  0, 15,  4,  8,  6,  2, 10 } ,
+  {  6, 15, 14,  9, 11,  3,  0,  8, 12,  2, 13,  7,  1,  4, 10,  5 } ,
+  { 10,  2,  8,  4,  7,  6,  1,  5, 15, 11,  9, 14,  3, 12, 13 , 0 } ,
+};
+
+static void blake2s_set_lastnode( blake2s_state *S )
+{
+  S->f[1] = (uint32_t)-1;
+}
+
+/* Some helper functions, not necessarily useful */
+static int blake2s_is_lastblock( const blake2s_state *S )
+{
+  return S->f[0] != 0;
+}
+
+static void blake2s_set_lastblock( blake2s_state *S )
+{
+  if( S->last_node ) blake2s_set_lastnode( S );
+
+  S->f[0] = (uint32_t)-1;
+}
+
+static void blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
+{
+  S->t[0] += inc;
+  S->t[1] += ( S->t[0] < inc );
+}
+
+static void blake2s_init0( blake2s_state *S )
+{
+  size_t i;
+  memset( S, 0, sizeof( blake2s_state ) );
+
+  for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
+}
+
+/* init2 xors IV with input parameter block */
+int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
+{
+  const unsigned char *p = ( const unsigned char * )( P );
+  size_t i;
+
+  blake2s_init0( S );
+
+  /* IV XOR ParamBlock */
+  for( i = 0; i < 8; ++i )
+    S->h[i] ^= load32( &p[i * 4] );
+
+  S->outlen = P->digest_length;
+  return 0;
+}
+
+
+/* Sequential blake2s initialization */
+int blake2s_init( blake2s_state *S, size_t outlen )
+{
+  blake2s_param P[1];
+
+  /* Move interval verification here? */
+  if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
+
+  P->digest_length = (uint8_t)outlen;
+  P->key_length    = 0;
+  P->fanout        = 1;
+  P->depth         = 1;
+  store32( &P->leaf_length, 0 );
+  store32( &P->node_offset, 0 );
+  store16( &P->xof_length, 0 );
+  P->node_depth    = 0;
+  P->inner_length  = 0;
+  /* memset(P->reserved, 0, sizeof(P->reserved) ); */
+  memset( P->salt,     0, sizeof( P->salt ) );
+  memset( P->personal, 0, sizeof( P->personal ) );
+  return blake2s_init_param( S, P );
+}
+
+int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
+{
+  blake2s_param P[1];
+
+  if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
+
+  if ( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return -1;
+
+  P->digest_length = (uint8_t)outlen;
+  P->key_length    = (uint8_t)keylen;
+  P->fanout        = 1;
+  P->depth         = 1;
+  store32( &P->leaf_length, 0 );
+  store32( &P->node_offset, 0 );
+  store16( &P->xof_length, 0 );
+  P->node_depth    = 0;
+  P->inner_length  = 0;
+  /* memset(P->reserved, 0, sizeof(P->reserved) ); */
+  memset( P->salt,     0, sizeof( P->salt ) );
+  memset( P->personal, 0, sizeof( P->personal ) );
+
+  if( blake2s_init_param( S, P ) < 0 ) return -1;
+
+  {
+    uint8_t block[BLAKE2S_BLOCKBYTES];
+    memset( block, 0, BLAKE2S_BLOCKBYTES );
+    memcpy( block, key, keylen );
+    blake2s_update( S, block, BLAKE2S_BLOCKBYTES );
+    secure_zero_memory( block, BLAKE2S_BLOCKBYTES ); /* Burn the key from stack */
+  }
+  return 0;
+}
+
+#define G(r,i,a,b,c,d)                      \
+  do {                                      \
+    a = a + b + m[blake2s_sigma[r][2*i+0]]; \
+    d = rotr32(d ^ a, 16);                  \
+    c = c + d;                              \
+    b = rotr32(b ^ c, 12);                  \
+    a = a + b + m[blake2s_sigma[r][2*i+1]]; \
+    d = rotr32(d ^ a, 8);                   \
+    c = c + d;                              \
+    b = rotr32(b ^ c, 7);                   \
+  } while(0)
+
+#define ROUND(r)                    \
+  do {                              \
+    G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
+    G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
+    G(r,2,v[ 2],v[ 6],v[10],v[14]); \
+    G(r,3,v[ 3],v[ 7],v[11],v[15]); \
+    G(r,4,v[ 0],v[ 5],v[10],v[15]); \
+    G(r,5,v[ 1],v[ 6],v[11],v[12]); \
+    G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
+    G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
+  } while(0)
+
+static void blake2s_compress( blake2s_state *S, const uint8_t in[BLAKE2S_BLOCKBYTES] )
+{
+  uint32_t m[16];
+  uint32_t v[16];
+  size_t i;
+
+  for( i = 0; i < 16; ++i ) {
+    m[i] = load32( in + i * sizeof( m[i] ) );
+  }
+
+  for( i = 0; i < 8; ++i ) {
+    v[i] = S->h[i];
+  }
+
+  v[ 8] = blake2s_IV[0];
+  v[ 9] = blake2s_IV[1];
+  v[10] = blake2s_IV[2];
+  v[11] = blake2s_IV[3];
+  v[12] = S->t[0] ^ blake2s_IV[4];
+  v[13] = S->t[1] ^ blake2s_IV[5];
+  v[14] = S->f[0] ^ blake2s_IV[6];
+  v[15] = S->f[1] ^ blake2s_IV[7];
+
+  ROUND( 0 );
+  ROUND( 1 );
+  ROUND( 2 );
+  ROUND( 3 );
+  ROUND( 4 );
+  ROUND( 5 );
+  ROUND( 6 );
+  ROUND( 7 );
+  ROUND( 8 );
+  ROUND( 9 );
+
+  for( i = 0; i < 8; ++i ) {
+    S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
+  }
+}
+
+#undef G
+#undef ROUND
+
+int blake2s_update( blake2s_state *S, const void *pin, size_t inlen )
+{
+  const unsigned char * in = (const unsigned char *)pin;
+  if( inlen > 0 )
+  {
+    size_t left = S->buflen;
+    size_t fill = BLAKE2S_BLOCKBYTES - left;
+    if( inlen > fill )
+    {
+      S->buflen = 0;
+      memcpy( S->buf + left, in, fill ); /* Fill buffer */
+      blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
+      blake2s_compress( S, S->buf ); /* Compress */
+      in += fill; inlen -= fill;
+      while(inlen > BLAKE2S_BLOCKBYTES) {
+        blake2s_increment_counter(S, BLAKE2S_BLOCKBYTES);
+        blake2s_compress( S, in );
+        in += BLAKE2S_BLOCKBYTES;
+        inlen -= BLAKE2S_BLOCKBYTES;
+      }
+    }
+    memcpy( S->buf + S->buflen, in, inlen );
+    S->buflen += inlen;
+  }
+  return 0;
+}
+
+int blake2s_final( blake2s_state *S, void *out, size_t outlen )
+{
+  uint8_t buffer[BLAKE2S_OUTBYTES] = {0};
+  size_t i;
+
+  if( out == NULL || outlen < S->outlen )
+    return -1;
+
+  if( blake2s_is_lastblock( S ) )
+    return -1;
+
+  blake2s_increment_counter( S, ( uint32_t )S->buflen );
+  blake2s_set_lastblock( S );
+  memset( S->buf + S->buflen, 0, BLAKE2S_BLOCKBYTES - S->buflen ); /* Padding */
+  blake2s_compress( S, S->buf );
+
+  for( i = 0; i < 8; ++i ) // Output full hash to temp buffer
+    store32( buffer + sizeof( S->h[i] ) * i, S->h[i] );
+
+  memcpy( out, buffer, outlen );
+  //secure_zero_memory(buffer, sizeof(buffer));
+  return 0;
+}
+
+int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen )
+{
+  blake2s_state S[1];
+
+  /* Verify parameters */
+  if ( NULL == in && inlen > 0 ) return -1;
+
+  if ( NULL == out ) return -1;
+
+  if ( NULL == key && keylen > 0) return -1;
+
+  if( !outlen || outlen > BLAKE2S_OUTBYTES ) return -1;
+
+  if( keylen > BLAKE2S_KEYBYTES ) return -1;
+
+  if( keylen > 0 )
+  {
+    if( blake2s_init_key( S, outlen, key, keylen ) < 0 ) return -1;
+  }
+  else
+  {
+    if( blake2s_init( S, outlen ) < 0 ) return -1;
+  }
+
+  blake2s_update( S, ( const uint8_t * )in, inlen );
+  blake2s_final( S, out, outlen );
+  return 0;
+}
@@ -0,0 +1,74 @@
+/*
+   BLAKE2 reference source code package - reference C implementations
+
+   Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under the
+   terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
+   your option.  The terms of these licenses can be found at:
+
+   - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+   - OpenSSL license   : https://www.openssl.org/source/license.html
+   - Apache 2.0        : http://www.apache.org/licenses/LICENSE-2.0
+
+   More information about the BLAKE2 hash function can be found at
+   https://blake2.net.
+*/
+#ifndef BLAKE2_H
+#define BLAKE2_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define BLAKE2_PACKED(x) x __attribute__((packed))
+
+  enum blake2s_constant
+  {
+    BLAKE2S_BLOCKBYTES = 64,
+    BLAKE2S_OUTBYTES   = 32,
+    BLAKE2S_KEYBYTES   = 32,
+    BLAKE2S_SALTBYTES  = 8,
+    BLAKE2S_PERSONALBYTES = 8
+  };
+
+  typedef struct blake2s_state__
+  {
+    uint32_t h[8];
+    uint32_t t[2];
+    uint32_t f[2];
+    uint8_t  buf[BLAKE2S_BLOCKBYTES];
+    size_t   buflen;
+    size_t   outlen;
+    uint8_t  last_node;
+  } blake2s_state;
+
+  BLAKE2_PACKED(struct blake2s_param__
+  {
+    uint8_t  digest_length; /* 1 */
+    uint8_t  key_length;    /* 2 */
+    uint8_t  fanout;        /* 3 */
+    uint8_t  depth;         /* 4 */
+    uint32_t leaf_length;   /* 8 */
+    uint32_t node_offset;  /* 12 */
+    uint16_t xof_length;    /* 14 */
+    uint8_t  node_depth;    /* 15 */
+    uint8_t  inner_length;  /* 16 */
+    /* uint8_t  reserved[0]; */
+    uint8_t  salt[BLAKE2S_SALTBYTES]; /* 24 */
+    uint8_t  personal[BLAKE2S_PERSONALBYTES];  /* 32 */
+  });
+
+  typedef struct blake2s_param__ blake2s_param;
+
+  /* Padded structs result in a compile-time error */
+  enum {
+    BLAKE2_DUMMY_1 = 1/(sizeof(blake2s_param) == BLAKE2S_OUTBYTES)
+  };
+
+  int blake2s_init( blake2s_state *S, size_t outlen );
+  int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
+  int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
+  int blake2s_update( blake2s_state *S, const void *in, size_t inlen );
+  int blake2s_final( blake2s_state *S, void *out, size_t outlen );
+
+  int blake2s( void *out, size_t outlen, const void *in, size_t inlen, const void *key, size_t keylen );
+
+#endif
\ No newline at end of file
@@ -10,21 +10,7 @@
 #include "basestats.h"
 #include "exptables.h"
 #include "dexorder.h"
-#include "sha2.h"
-
-// See pokemon.h for more information about this.
-struct HashDeterminer {
-  u32 otId;
-  u32 personality;
-  u32 hpIV:5;
-  u32 attackIV:5;
-  u32 defenseIV:5;
-  u32 speedIV:5;
-  u32 spAttackIV:5;
-  u32 spDefenseIV:5;
-  u32 isShedinja:1;
-  u32 zero:1;
-};
+#include "blake2.h"
 
 u32 CalculateStat(
   u8 base,
@@ -64,22 +50,25 @@ void PokemonIntermediateInit(
   struct PokemonSubstruct2* sub2 = GetBoxPokemonSubstruct2(bpkm);
   struct PokemonSubstruct3* sub3 = GetBoxPokemonSubstruct3(bpkm);
 
-  struct HashDeterminer identifier;
-  identifier.otId = bpkm->otId;
-  identifier.personality = bpkm->personality;
-  identifier.hpIV = sub3->hpIV;
-  identifier.attackIV = sub3->attackIV;
-  identifier.defenseIV = sub3->defenseIV;
-  identifier.speedIV = sub3->speedIV;
-  identifier.spAttackIV = sub3->spAttackIV;
-  identifier.spDefenseIV = sub3->spDefenseIV;
-  identifier.isShedinja = (sub0->species == SHEDINJA_SPECIES_INDEX) ? 1 : 0;
-  identifier.zero = 0;
-
-  sha224(
-    (const unsigned char*)&identifier,
-    12,
-    (unsigned char*)pki->key);
+  u8 identifier[16];
+  identifier[0] =  bpkm->otId               & 0x000000FF;
+  identifier[1] = (bpkm->otId >> 8)         & 0x000000FF;
+  identifier[2] = (bpkm->otId >> 16)        & 0x000000FF;
+  identifier[3] = (bpkm->otId >> 24)        & 0x000000FF;
+  identifier[4] =  bpkm->personality        & 0x000000FF;
+  identifier[5] = (bpkm->personality >> 8)  & 0x000000FF;
+  identifier[6] = (bpkm->personality >> 16) & 0x000000FF;
+  identifier[7] = (bpkm->personality >> 24) & 0x000000FF;
+  identifier[8] = sub3->hpIV;
+  identifier[9] = sub3->attackIV;
+  identifier[10] = sub3->defenseIV;
+  identifier[11] = sub3->speedIV;
+  identifier[12] = sub3->spAttackIV;
+  identifier[13] = sub3->spDefenseIV;
+  identifier[14] = (sub0->species == SHEDINJA_SPECIES_INDEX) ? 1 : 0;
+  identifier[15] = 0;
+
+  blake2s((u8*)pki->key, 28, identifier, 16, 0, 0);
 
   const struct SmallBaseStats* baseStats = BaseStatsForSpecies(sub0->species);
 
@@ -1,471 +0,0 @@
-/*
- * FIPS 180-2 SHA-224/256/384/512 implementation
- * Last update: 02/02/2007
- * Issue date:  04/30/2005
- *
- * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if 0
-#define UNROLL_LOOPS /* Enable loops unrolling */
-#endif
-
-#include <string.h>
-
-#include "sha2.h"
-
-#define SHFR(x, n)    (x >> n)
-#define ROTR(x, n)   ((x >> n) | (x << ((sizeof(x) << 3) - n)))
-#define ROTL(x, n)   ((x << n) | (x >> ((sizeof(x) << 3) - n)))
-#define CH(x, y, z)  ((x & y) ^ (~x & z))
-#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z))
-
-#define SHA256_F1(x) (ROTR(x,  2) ^ ROTR(x, 13) ^ ROTR(x, 22))
-#define SHA256_F2(x) (ROTR(x,  6) ^ ROTR(x, 11) ^ ROTR(x, 25))
-#define SHA256_F3(x) (ROTR(x,  7) ^ ROTR(x, 18) ^ SHFR(x,  3))
-#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10))
-
-#define SHA512_F1(x) (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
-#define SHA512_F2(x) (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
-#define SHA512_F3(x) (ROTR(x,  1) ^ ROTR(x,  8) ^ SHFR(x,  7))
-#define SHA512_F4(x) (ROTR(x, 19) ^ ROTR(x, 61) ^ SHFR(x,  6))
-
-#define UNPACK32(x, str)                      \
-{                                             \
-    *((str) + 3) = (uint8) ((x)      );       \
-    *((str) + 2) = (uint8) ((x) >>  8);       \
-    *((str) + 1) = (uint8) ((x) >> 16);       \
-    *((str) + 0) = (uint8) ((x) >> 24);       \
-}
-
-#define PACK32(str, x)                        \
-{                                             \
-    *(x) =   ((uint32) *((str) + 3)      )    \
-           | ((uint32) *((str) + 2) <<  8)    \
-           | ((uint32) *((str) + 1) << 16)    \
-           | ((uint32) *((str) + 0) << 24);   \
-}
-
-#define UNPACK64(x, str)                      \
-{                                             \
-    *((str) + 7) = (uint8) ((x)      );       \
-    *((str) + 6) = (uint8) ((x) >>  8);       \
-    *((str) + 5) = (uint8) ((x) >> 16);       \
-    *((str) + 4) = (uint8) ((x) >> 24);       \
-    *((str) + 3) = (uint8) ((x) >> 32);       \
-    *((str) + 2) = (uint8) ((x) >> 40);       \
-    *((str) + 1) = (uint8) ((x) >> 48);       \
-    *((str) + 0) = (uint8) ((x) >> 56);       \
-}
-
-#define PACK64(str, x)                        \
-{                                             \
-    *(x) =   ((uint64) *((str) + 7)      )    \
-           | ((uint64) *((str) + 6) <<  8)    \
-           | ((uint64) *((str) + 5) << 16)    \
-           | ((uint64) *((str) + 4) << 24)    \
-           | ((uint64) *((str) + 3) << 32)    \
-           | ((uint64) *((str) + 2) << 40)    \
-           | ((uint64) *((str) + 1) << 48)    \
-           | ((uint64) *((str) + 0) << 56);   \
-}
-
-/* Macros used for loops unrolling */
-
-#define SHA256_SCR(i)                         \
-{                                             \
-    w[i] =  SHA256_F4(w[i -  2]) + w[i -  7]  \
-          + SHA256_F3(w[i - 15]) + w[i - 16]; \
-}
-
-#define SHA512_SCR(i)                         \
-{                                             \
-    w[i] =  SHA512_F4(w[i -  2]) + w[i -  7]  \
-          + SHA512_F3(w[i - 15]) + w[i - 16]; \
-}
-
-#define SHA256_EXP(a, b, c, d, e, f, g, h, j)               \
-{                                                           \
-    t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
-         + sha256_k[j] + w[j];                              \
-    t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]);       \
-    wv[d] += t1;                                            \
-    wv[h] = t1 + t2;                                        \
-}
-
-#define SHA512_EXP(a, b, c, d, e, f, g ,h, j)               \
-{                                                           \
-    t1 = wv[h] + SHA512_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \
-         + sha512_k[j] + w[j];                              \
-    t2 = SHA512_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]);       \
-    wv[d] += t1;                                            \
-    wv[h] = t1 + t2;                                        \
-}
-
-uint32 sha224_h0[8] =
-            {0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
-             0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4};
-
-uint32 sha256_h0[8] =
-            {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
-             0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
-
-uint32 sha256_k[64] =
-            {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-             0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-             0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-             0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-             0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-             0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-             0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-             0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-             0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-             0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-             0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-             0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-             0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-             0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-             0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-             0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2};
-
-/* SHA-256 functions */
-
-void sha256_transf(sha256_ctx *ctx, const unsigned char *message,
-                   unsigned int block_nb)
-{
-    uint32 w[64];
-    uint32 wv[8];
-    uint32 t1, t2;
-    const unsigned char *sub_block;
-    int i;
-
-#ifndef UNROLL_LOOPS
-    int j;
-#endif
-
-    for (i = 0; i < (int) block_nb; i++) {
-        sub_block = message + (i << 6);
-
-#ifndef UNROLL_LOOPS
-        for (j = 0; j < 16; j++) {
-            PACK32(&sub_block[j << 2], &w[j]);
-        }
-
-        for (j = 16; j < 64; j++) {
-            SHA256_SCR(j);
-        }
-
-        for (j = 0; j < 8; j++) {
-            wv[j] = ctx->h[j];
-        }
-
-        for (j = 0; j < 64; j++) {
-            t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6])
-                + sha256_k[j] + w[j];
-            t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]);
-            wv[7] = wv[6];
-            wv[6] = wv[5];
-            wv[5] = wv[4];
-            wv[4] = wv[3] + t1;
-            wv[3] = wv[2];
-            wv[2] = wv[1];
-            wv[1] = wv[0];
-            wv[0] = t1 + t2;
-        }
-
-        for (j = 0; j < 8; j++) {
-            ctx->h[j] += wv[j];
-        }
-#else
-        PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]);
-        PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]);
-        PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]);
-        PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]);
-        PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]);
-        PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]);
-        PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]);
-        PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]);
-
-        SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19);
-        SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23);
-        SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27);
-        SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31);
-        SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35);
-        SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39);
-        SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43);
-        SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47);
-        SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51);
-        SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55);
-        SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59);
-        SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63);
-
-        wv[0] = ctx->h[0]; wv[1] = ctx->h[1];
-        wv[2] = ctx->h[2]; wv[3] = ctx->h[3];
-        wv[4] = ctx->h[4]; wv[5] = ctx->h[5];
-        wv[6] = ctx->h[6]; wv[7] = ctx->h[7];
-
-        SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1);
-        SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3);
-        SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5);
-        SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7);
-        SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9);
-        SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11);
-        SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13);
-        SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15);
-        SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17);
-        SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19);
-        SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21);
-        SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23);
-        SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25);
-        SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27);
-        SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29);
-        SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31);
-        SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33);
-        SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35);
-        SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37);
-        SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39);
-        SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41);
-        SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43);
-        SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45);
-        SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47);
-        SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49);
-        SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51);
-        SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53);
-        SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55);
-        SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57);
-        SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59);
-        SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61);
-        SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63);
-
-        ctx->h[0] += wv[0]; ctx->h[1] += wv[1];
-        ctx->h[2] += wv[2]; ctx->h[3] += wv[3];
-        ctx->h[4] += wv[4]; ctx->h[5] += wv[5];
-        ctx->h[6] += wv[6]; ctx->h[7] += wv[7];
-#endif /* !UNROLL_LOOPS */
-    }
-}
-
-void sha256(const unsigned char *message, unsigned int len, unsigned char *digest)
-{
-    sha256_ctx ctx;
-
-    sha256_init(&ctx);
-    sha256_update(&ctx, message, len);
-    sha256_final(&ctx, digest);
-}
-
-void sha256_init(sha256_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
-    int i;
-    for (i = 0; i < 8; i++) {
-        ctx->h[i] = sha256_h0[i];
-    }
-#else
-    ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1];
-    ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3];
-    ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5];
-    ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7];
-#endif /* !UNROLL_LOOPS */
-
-    ctx->len = 0;
-    ctx->tot_len = 0;
-}
-
-void sha256_update(sha256_ctx *ctx, const unsigned char *message,
-                   unsigned int len)
-{
-    unsigned int block_nb;
-    unsigned int new_len, rem_len, tmp_len;
-    const unsigned char *shifted_message;
-
-    tmp_len = SHA256_BLOCK_SIZE - ctx->len;
-    rem_len = len < tmp_len ? len : tmp_len;
-
-    memcpy(&ctx->block[ctx->len], message, rem_len);
-
-    if (ctx->len + len < SHA256_BLOCK_SIZE) {
-        ctx->len += len;
-        return;
-    }
-
-    new_len = len - rem_len;
-    block_nb = new_len / SHA256_BLOCK_SIZE;
-
-    shifted_message = message + rem_len;
-
-    sha256_transf(ctx, ctx->block, 1);
-    sha256_transf(ctx, shifted_message, block_nb);
-
-    rem_len = new_len % SHA256_BLOCK_SIZE;
-
-    memcpy(ctx->block, &shifted_message[block_nb << 6],
-           rem_len);
-
-    ctx->len = rem_len;
-    ctx->tot_len += (block_nb + 1) << 6;
-}
-
-void sha256_final(sha256_ctx *ctx, unsigned char *digest)
-{
-    unsigned int block_nb;
-    unsigned int pm_len;
-    unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
-    int i;
-#endif
-
-    block_nb = (1 + ((SHA256_BLOCK_SIZE - 9)
-                     < (ctx->len % SHA256_BLOCK_SIZE)));
-
-    len_b = (ctx->tot_len + ctx->len) << 3;
-    pm_len = block_nb << 6;
-
-    memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
-    ctx->block[ctx->len] = 0x80;
-    UNPACK32(len_b, ctx->block + pm_len - 4);
-
-    sha256_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
-    for (i = 0 ; i < 8; i++) {
-        UNPACK32(ctx->h[i], &digest[i << 2]);
-    }
-#else
-   UNPACK32(ctx->h[0], &digest[ 0]);
-   UNPACK32(ctx->h[1], &digest[ 4]);
-   UNPACK32(ctx->h[2], &digest[ 8]);
-   UNPACK32(ctx->h[3], &digest[12]);
-   UNPACK32(ctx->h[4], &digest[16]);
-   UNPACK32(ctx->h[5], &digest[20]);
-   UNPACK32(ctx->h[6], &digest[24]);
-   UNPACK32(ctx->h[7], &digest[28]);
-#endif /* !UNROLL_LOOPS */
-}
-
-/* SHA-224 functions */
-
-void sha224(const unsigned char *message, unsigned int len,
-            unsigned char *digest)
-{
-    sha224_ctx ctx;
-
-    sha224_init(&ctx);
-    sha224_update(&ctx, message, len);
-    sha224_final(&ctx, digest);
-}
-
-void sha224_init(sha224_ctx *ctx)
-{
-#ifndef UNROLL_LOOPS
-    int i;
-    for (i = 0; i < 8; i++) {
-        ctx->h[i] = sha224_h0[i];
-    }
-#else
-    ctx->h[0] = sha224_h0[0]; ctx->h[1] = sha224_h0[1];
-    ctx->h[2] = sha224_h0[2]; ctx->h[3] = sha224_h0[3];
-    ctx->h[4] = sha224_h0[4]; ctx->h[5] = sha224_h0[5];
-    ctx->h[6] = sha224_h0[6]; ctx->h[7] = sha224_h0[7];
-#endif /* !UNROLL_LOOPS */
-
-    ctx->len = 0;
-    ctx->tot_len = 0;
-}
-
-void sha224_update(sha224_ctx *ctx, const unsigned char *message,
-                   unsigned int len)
-{
-    unsigned int block_nb;
-    unsigned int new_len, rem_len, tmp_len;
-    const unsigned char *shifted_message;
-
-    tmp_len = SHA224_BLOCK_SIZE - ctx->len;
-    rem_len = len < tmp_len ? len : tmp_len;
-
-    memcpy(&ctx->block[ctx->len], message, rem_len);
-
-    if (ctx->len + len < SHA224_BLOCK_SIZE) {
-        ctx->len += len;
-        return;
-    }
-
-    new_len = len - rem_len;
-    block_nb = new_len / SHA224_BLOCK_SIZE;
-
-    shifted_message = message + rem_len;
-
-    sha256_transf(ctx, ctx->block, 1);
-    sha256_transf(ctx, shifted_message, block_nb);
-
-    rem_len = new_len % SHA224_BLOCK_SIZE;
-
-    memcpy(ctx->block, &shifted_message[block_nb << 6],
-           rem_len);
-
-    ctx->len = rem_len;
-    ctx->tot_len += (block_nb + 1) << 6;
-}
-
-void sha224_final(sha224_ctx *ctx, unsigned char *digest)
-{
-    unsigned int block_nb;
-    unsigned int pm_len;
-    unsigned int len_b;
-
-#ifndef UNROLL_LOOPS
-    int i;
-#endif
-
-    block_nb = (1 + ((SHA224_BLOCK_SIZE - 9)
-                     < (ctx->len % SHA224_BLOCK_SIZE)));
-
-    len_b = (ctx->tot_len + ctx->len) << 3;
-    pm_len = block_nb << 6;
-
-    memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
-    ctx->block[ctx->len] = 0x80;
-    UNPACK32(len_b, ctx->block + pm_len - 4);
-
-    sha256_transf(ctx, ctx->block, block_nb);
-
-#ifndef UNROLL_LOOPS
-    for (i = 0 ; i < 7; i++) {
-        UNPACK32(ctx->h[i], &digest[i << 2]);
-    }
-#else
-   UNPACK32(ctx->h[0], &digest[ 0]);
-   UNPACK32(ctx->h[1], &digest[ 4]);
-   UNPACK32(ctx->h[2], &digest[ 8]);
-   UNPACK32(ctx->h[3], &digest[12]);
-   UNPACK32(ctx->h[4], &digest[16]);
-   UNPACK32(ctx->h[5], &digest[20]);
-   UNPACK32(ctx->h[6], &digest[24]);
-#endif /* !UNROLL_LOOPS */
-}
@@ -1,74 +0,0 @@
-/*
- * FIPS 180-2 SHA-224/256/384/512 implementation
- * Last update: 02/02/2007
- * Issue date:  04/30/2005
- *
- * Copyright (C) 2005, 2007 Olivier Gay <olivier.gay@a3.epfl.ch>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the project nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef SHA2_H
-#define SHA2_H
-
-#define SHA224_DIGEST_SIZE ( 224 / 8)
-#define SHA256_DIGEST_SIZE ( 256 / 8)
-
-#define SHA256_BLOCK_SIZE  ( 512 / 8)
-#define SHA224_BLOCK_SIZE  SHA256_BLOCK_SIZE
-
-#ifndef SHA2_TYPES
-#define SHA2_TYPES
-typedef unsigned char uint8;
-typedef unsigned int  uint32;
-typedef unsigned long long uint64;
-#endif
-
-typedef struct {
-    unsigned int tot_len;
-    unsigned int len;
-    unsigned char block[2 * SHA256_BLOCK_SIZE];
-    uint32 h[8];
-} sha256_ctx;
-
-typedef sha256_ctx sha224_ctx;
-
-void sha224_init(sha224_ctx *ctx);
-void sha224_update(sha224_ctx *ctx, const unsigned char *message,
-                   unsigned int len);
-void sha224_final(sha224_ctx *ctx, unsigned char *digest);
-void sha224(const unsigned char *message, unsigned int len,
-            unsigned char *digest);
-
-void sha256_init(sha256_ctx * ctx);
-void sha256_update(sha256_ctx *ctx, const unsigned char *message,
-                   unsigned int len);
-void sha256_final(sha256_ctx *ctx, unsigned char *digest);
-void sha256(const unsigned char *message, unsigned int len,
-            unsigned char *digest);
-
-#endif /* !SHA2_H */
-