Diff: wolfcrypt/src/blake2b.c

Revision:

17:ff9d1e86ad5f

Parent:

16:048e5e270a58

diff -r 048e5e270a58 -r ff9d1e86ad5f wolfcrypt/src/blake2b.c
--- a/wolfcrypt/src/blake2b.c	Tue Nov 19 14:32:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,454 +0,0 @@
-/*
-   BLAKE2 reference source code package - reference C implementations
-
-   Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
-
-   To the extent possible under law, the author(s) have dedicated all copyright
-   and related and neighboring rights to this software to the public domain
-   worldwide. This software is distributed without any warranty.
-
-   You should have received a copy of the CC0 Public Domain Dedication along with
-   this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
-*/
-/* blake2b.c
- *
- * Copyright (C) 2006-2017 wolfSSL Inc.
- *
- * This file is part of wolfSSL.
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
- */
-
-
-
-#ifdef HAVE_CONFIG_H
-    #include <config.h>
-#endif
-
-#include <wolfssl/wolfcrypt/settings.h>
-
-#ifdef HAVE_BLAKE2
-
-#include <wolfssl/wolfcrypt/blake2.h>
-#include <wolfssl/wolfcrypt/blake2-impl.h>
-
-
-static const word64 blake2b_IV[8] =
-{
-  0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
-  0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
-  0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
-  0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
-};
-
-static const byte blake2b_sigma[12][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 } ,
-  {  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 }
-};
-
-
-static WC_INLINE int blake2b_set_lastnode( blake2b_state *S )
-{
-  S->f[1] = ~0ULL;
-  return 0;
-}
-
-/* Some helper functions, not necessarily useful */
-static WC_INLINE int blake2b_set_lastblock( blake2b_state *S )
-{
-  if( S->last_node ) blake2b_set_lastnode( S );
-
-  S->f[0] = ~0ULL;
-  return 0;
-}
-
-static WC_INLINE int blake2b_increment_counter( blake2b_state *S, const word64
-                                             inc )
-{
-  S->t[0] += inc;
-  S->t[1] += ( S->t[0] < inc );
-  return 0;
-}
-
-static WC_INLINE int blake2b_init0( blake2b_state *S )
-{
-  int i;
-  XMEMSET( S, 0, sizeof( blake2b_state ) );
-
-  for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i];
-
-  return 0;
-}
-
-/* init xors IV with input parameter block */
-int blake2b_init_param( blake2b_state *S, const blake2b_param *P )
-{
-  word32 i;
-  byte *p ;
-  blake2b_init0( S );
-  p =  ( byte * )( P );
-
-  /* IV XOR ParamBlock */
-  for( i = 0; i < 8; ++i )
-    S->h[i] ^= load64( p + sizeof( S->h[i] ) * i );
-
-  return 0;
-}
-
-
-
-int blake2b_init( blake2b_state *S, const byte outlen )
-{
-  blake2b_param P[1];
-
-  if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
-
-#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
-  P->digest_length = outlen;
-  P->key_length    = 0;
-  P->fanout        = 1;
-  P->depth         = 1;
-  store32( &P->leaf_length, 0 );
-  store64( &P->node_offset, 0 );
-  P->node_depth    = 0;
-  P->inner_length  = 0;
-  XMEMSET( P->reserved, 0, sizeof( P->reserved ) );
-  XMEMSET( P->salt,     0, sizeof( P->salt ) );
-  XMEMSET( P->personal, 0, sizeof( P->personal ) );
-#else
-  XMEMSET( P, 0, sizeof( *P ) );
-  P->digest_length = outlen;
-  P->fanout        = 1;
-  P->depth         = 1;
-#endif
-  return blake2b_init_param( S, P );
-}
-
-
-int blake2b_init_key( blake2b_state *S, const byte outlen, const void *key,
-                      const byte keylen )
-{
-  blake2b_param P[1];
-
-  if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1;
-
-  if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1;
-
-#ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD
-  P->digest_length = outlen;
-  P->key_length    = keylen;
-  P->fanout        = 1;
-  P->depth         = 1;
-  store32( &P->leaf_length, 0 );
-  store64( &P->node_offset, 0 );
-  P->node_depth    = 0;
-  P->inner_length  = 0;
-  XMEMSET( P->reserved, 0, sizeof( P->reserved ) );
-  XMEMSET( P->salt,     0, sizeof( P->salt ) );
-  XMEMSET( P->personal, 0, sizeof( P->personal ) );
-#else
-  XMEMSET( P, 0, sizeof( *P ) );
-  P->digest_length = outlen;
-  P->key_length    = keylen;
-  P->fanout        = 1;
-  P->depth         = 1;
-#endif
-
-  if( blake2b_init_param( S, P ) < 0 ) return -1;
-
-  {
-#ifdef WOLFSSL_SMALL_STACK
-    byte* block;
-
-    block = (byte*)XMALLOC(BLAKE2B_BLOCKBYTES, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-
-    if ( block == NULL ) return -1;
-#else
-    byte block[BLAKE2B_BLOCKBYTES];
-#endif
-
-    XMEMSET( block, 0, BLAKE2B_BLOCKBYTES );
-    XMEMCPY( block, key, keylen );
-    blake2b_update( S, block, BLAKE2B_BLOCKBYTES );
-    secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from */
-                                                     /* memory */
-
-#ifdef WOLFSSL_SMALL_STACK
-    XFREE(block, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-#endif
-  }
-  return 0;
-}
-
-static int blake2b_compress( blake2b_state *S,
-                             const byte block[BLAKE2B_BLOCKBYTES] )
-{
-  int i;
-
-#ifdef WOLFSSL_SMALL_STACK
-  word64* m;
-  word64* v;
-
-  m = (word64*)XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-
-  if ( m == NULL ) return -1;
-
-  v = (word64*)XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-
-  if ( v == NULL )
-  {
-    XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    return -1;
-  }
-#else
-  word64 m[16];
-  word64 v[16];
-#endif
-
-  for( i = 0; i < 16; ++i )
-    m[i] = load64( block + i * sizeof( m[i] ) );
-
-  for( i = 0; i < 8; ++i )
-    v[i] = S->h[i];
-
-  v[ 8] = blake2b_IV[0];
-  v[ 9] = blake2b_IV[1];
-  v[10] = blake2b_IV[2];
-  v[11] = blake2b_IV[3];
-  v[12] = S->t[0] ^ blake2b_IV[4];
-  v[13] = S->t[1] ^ blake2b_IV[5];
-  v[14] = S->f[0] ^ blake2b_IV[6];
-  v[15] = S->f[1] ^ blake2b_IV[7];
-#define G(r,i,a,b,c,d) \
-  do { \
-    a = a + b + m[blake2b_sigma[r][2*i+0]]; \
-    d = rotr64(d ^ a, 32); \
-    c = c + d; \
-    b = rotr64(b ^ c, 24); \
-    a = a + b + m[blake2b_sigma[r][2*i+1]]; \
-    d = rotr64(d ^ a, 16); \
-    c = c + d; \
-    b = rotr64(b ^ c, 63); \
-  } 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)
-  ROUND( 0 );
-  ROUND( 1 );
-  ROUND( 2 );
-  ROUND( 3 );
-  ROUND( 4 );
-  ROUND( 5 );
-  ROUND( 6 );
-  ROUND( 7 );
-  ROUND( 8 );
-  ROUND( 9 );
-  ROUND( 10 );
-  ROUND( 11 );
-
-  for( i = 0; i < 8; ++i )
-    S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
-
-#undef G
-#undef ROUND
-
-#ifdef WOLFSSL_SMALL_STACK
-  XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-  XFREE(v, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-#endif
-
-  return 0;
-}
-
-/* inlen now in bytes */
-int blake2b_update( blake2b_state *S, const byte *in, word64 inlen )
-{
-  while( inlen > 0 )
-  {
-    word64 left = S->buflen;
-    word64 fill = 2 * BLAKE2B_BLOCKBYTES - left;
-
-    if( inlen > fill )
-    {
-      XMEMCPY( S->buf + left, in, (wolfssl_word)fill ); /* Fill buffer */
-      S->buflen += fill;
-      blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
-
-      if ( blake2b_compress( S, S->buf ) < 0 ) return -1; /* Compress */
-
-      XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES );
-              /* Shift buffer left */
-      S->buflen -= BLAKE2B_BLOCKBYTES;
-      in += fill;
-      inlen -= fill;
-    }
-    else /* inlen <= fill */
-    {
-      XMEMCPY( S->buf + left, in, (wolfssl_word)inlen );
-      S->buflen += inlen; /* Be lazy, do not compress */
-      in += inlen;
-      inlen -= inlen;
-    }
-  }
-
-  return 0;
-}
-
-/* Is this correct? */
-int blake2b_final( blake2b_state *S, byte *out, byte outlen )
-{
-  byte buffer[BLAKE2B_OUTBYTES];
-  int     i;
-
-  if( S->buflen > BLAKE2B_BLOCKBYTES )
-  {
-    blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
-
-    if ( blake2b_compress( S, S->buf ) < 0 ) return -1;
-
-    S->buflen -= BLAKE2B_BLOCKBYTES;
-    XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, (wolfssl_word)S->buflen );
-  }
-
-  blake2b_increment_counter( S, S->buflen );
-  blake2b_set_lastblock( S );
-  XMEMSET( S->buf + S->buflen, 0, (wolfssl_word)(2 * BLAKE2B_BLOCKBYTES - S->buflen) );
-         /* Padding */
-  if ( blake2b_compress( S, S->buf ) < 0 ) return -1;
-
-  for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */
-    store64( buffer + sizeof( S->h[i] ) * i, S->h[i] );
-
-  XMEMCPY( out, buffer, outlen );
-  return 0;
-}
-
-/* inlen, at least, should be word64. Others can be size_t. */
-int blake2b( byte *out, const void *in, const void *key, const byte outlen,
-             const word64 inlen, byte keylen )
-{
-  blake2b_state S[1];
-
-  /* Verify parameters */
-  if ( NULL == in ) return -1;
-
-  if ( NULL == out ) return -1;
-
-  if( NULL == key ) keylen = 0;
-
-  if( keylen > 0 )
-  {
-    if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1;
-  }
-  else
-  {
-    if( blake2b_init( S, outlen ) < 0 ) return -1;
-  }
-
-  if ( blake2b_update( S, ( byte * )in, inlen ) < 0) return -1;
-
-  return blake2b_final( S, out, outlen );
-}
-
-#if defined(BLAKE2B_SELFTEST)
-#include <string.h>
-#include "blake2-kat.h"
-int main( int argc, char **argv )
-{
-  byte key[BLAKE2B_KEYBYTES];
-  byte buf[KAT_LENGTH];
-
-  for( word32 i = 0; i < BLAKE2B_KEYBYTES; ++i )
-    key[i] = ( byte )i;
-
-  for( word32 i = 0; i < KAT_LENGTH; ++i )
-    buf[i] = ( byte )i;
-
-  for( word32 i = 0; i < KAT_LENGTH; ++i )
-  {
-    byte hash[BLAKE2B_OUTBYTES];
-    if ( blake2b( hash, buf, key, BLAKE2B_OUTBYTES, i, BLAKE2B_KEYBYTES ) < 0 )
-    {
-      puts( "error" );
-      return -1;
-    }
-
-    if( 0 != XMEMCMP( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) )
-    {
-      puts( "error" );
-      return -1;
-    }
-  }
-
-  puts( "ok" );
-  return 0;
-}
-#endif
-
-
-/* wolfCrypt API */
-
-/* Init Blake2b digest, track size in case final doesn't want to "remember" */
-int wc_InitBlake2b(Blake2b* b2b, word32 digestSz)
-{
-    if (b2b == NULL){
-        return -1;
-    }
-    b2b->digestSz = digestSz;
-
-    return blake2b_init(b2b->S, (byte)digestSz);
-}
-
-
-/* Blake2b Update */
-int wc_Blake2bUpdate(Blake2b* b2b, const byte* data, word32 sz)
-{
-    return blake2b_update(b2b->S, data, sz);
-}
-
-
-/* Blake2b Final, if pass in zero size we use init digestSz */
-int wc_Blake2bFinal(Blake2b* b2b, byte* final, word32 requestSz)
-{
-    word32 sz = requestSz ? requestSz : b2b->digestSz;
-
-    return blake2b_final(b2b->S, final, (byte)sz);
-}
-
-
-/* end CTaoCrypt API */
-
-#endif  /* HAVE_BLAKE2 */
-
-