initial import of upstream sourcesupstream/latestupstream/0.6.1

1 files changed, 0 insertions, 356 deletions

diff --git a/src/libsodium/crypto_generichash/blake2/ref/blake2s-ref.c b/src/libsodium/crypto_generichash/blake2/ref/blake2s-ref.c
deleted file mode 100644
index 0e79aa5..0000000
--- a/src/libsodium/crypto_generichash/blake2/ref/blake2s-ref.c
+++ /dev/null
@@ -1,356 +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/>.
-*/
-
-#include <stdint.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "crypto_generichash_blake2b.h"
-#include "blake2.h"
-#include "blake2-impl.h"
-
-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 inline int blake2s_set_lastnode( blake2s_state *S )
-{
-  S->f[1] = ~0U;
-  return 0;
-}
-#if 0
-static inline int blake2s_clear_lastnode( blake2s_state *S )
-{
-  S->f[1] = 0U;
-  return 0;
-}
-#endif
-/* Some helper functions, not necessarily useful */
-static inline int blake2s_set_lastblock( blake2s_state *S )
-{
-  if( S->last_node ) blake2s_set_lastnode( S );
-
-  S->f[0] = ~0U;
-  return 0;
-}
-#if 0
-static inline int blake2s_clear_lastblock( blake2s_state *S )
-{
-  if( S->last_node ) blake2s_clear_lastnode( S );
-
-  S->f[0] = 0U;
-  return 0;
-}
-#endif
-static inline int blake2s_increment_counter( blake2s_state *S, const uint32_t inc )
-{
-  S->t[0] += inc;
-  S->t[1] += ( S->t[0] < inc );
-  return 0;
-}
-
-// Parameter-related functions
-#if 0
-static inline int blake2s_param_set_digest_length( blake2s_param *P, const uint8_t digest_length )
-{
-  P->digest_length = digest_length;
-  return 0;
-}
-
-static inline int blake2s_param_set_fanout( blake2s_param *P, const uint8_t fanout )
-{
-  P->fanout = fanout;
-  return 0;
-}
-
-static inline int blake2s_param_set_max_depth( blake2s_param *P, const uint8_t depth )
-{
-  P->depth = depth;
-  return 0;
-}
-
-static inline int blake2s_param_set_leaf_length( blake2s_param *P, const uint32_t leaf_length )
-{
-  store32( &P->leaf_length, leaf_length );
-  return 0;
-}
-
-static inline int blake2s_param_set_node_offset( blake2s_param *P, const uint64_t node_offset )
-{
-  store48( P->node_offset, node_offset );
-  return 0;
-}
-
-static inline int blake2s_param_set_node_depth( blake2s_param *P, const uint8_t node_depth )
-{
-  P->node_depth = node_depth;
-  return 0;
-}
-
-static inline int blake2s_param_set_inner_length( blake2s_param *P, const uint8_t inner_length )
-{
-  P->inner_length = inner_length;
-  return 0;
-}
-#endif
-static inline int blake2s_param_set_salt( blake2s_param *P, const uint8_t salt[BLAKE2S_SALTBYTES] )
-{
-  memcpy( P->salt, salt, BLAKE2S_SALTBYTES );
-  return 0;
-}
-
-static inline int blake2s_param_set_personal( blake2s_param *P, const uint8_t personal[BLAKE2S_PERSONALBYTES] )
-{
-  memcpy( P->personal, personal, BLAKE2S_PERSONALBYTES );
-  return 0;
-}
-
-static inline int blake2s_init0( blake2s_state *S )
-{
-  int i;
-
-  memset( S, 0, sizeof( blake2s_state ) );
-
-  for( i = 0; i < 8; ++i ) S->h[i] = blake2s_IV[i];
-
-  return 0;
-}
-
-/* init2 xors IV with input parameter block */
-int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
-{
-  size_t i;
-  uint32_t *p;
-
-  blake2s_init0( S );
-  p = ( uint32_t * )( P );
-
-  /* IV XOR ParamBlock */
-  for( i = 0; i < 8; ++i )
-    S->h[i] ^= load32( &p[i] );
-
-  return 0;
-}
-
-
-// Sequential blake2s initialization
-int blake2s_init( blake2s_state *S, const uint8_t outlen )
-{
-  blake2s_param P[1];
-
-  /* Move interval verification here? */
-  if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
-
-  P->digest_length = outlen;
-  P->key_length    = 0;
-  P->fanout        = 1;
-  P->depth         = 1;
-  store32( &P->leaf_length, 0 );
-  store48( &P->node_offset, 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, const uint8_t outlen, const void *key, const uint8_t keylen )
-{
-  blake2s_param P[1];
-
-  if ( ( !outlen ) || ( outlen > BLAKE2S_OUTBYTES ) ) return -1;
-
-  if ( !key || !keylen || keylen > BLAKE2S_KEYBYTES ) return -1;
-
-  P->digest_length = outlen;
-  P->key_length    = keylen;
-  P->fanout        = 1;
-  P->depth         = 1;
-  store32( &P->leaf_length, 0 );
-  store48( &P->node_offset, 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;
-}
-
-static int blake2s_compress( blake2s_state *S, const uint8_t block[BLAKE2S_BLOCKBYTES] )
-{
-  uint32_t m[16];
-  uint32_t v[16];
-  size_t   i;
-
-  for( i = 0; i < 16; ++i )
-    m[i] = load32( block + 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];
-#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)
-  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
-  return 0;
-}
-
-
-int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen )
-{
-  while( inlen > 0 )
-  {
-    size_t left = S->buflen;
-    size_t fill = 2 * BLAKE2S_BLOCKBYTES - left;
-
-    if( inlen > fill )
-    {
-      memcpy( S->buf + left, in, fill ); // Fill buffer
-      S->buflen += fill;
-      blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
-      blake2s_compress( S, S->buf ); // Compress
-      memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, BLAKE2S_BLOCKBYTES ); // Shift buffer left
-      S->buflen -= BLAKE2S_BLOCKBYTES;
-      in += fill;
-      inlen -= fill;
-    }
-    else // inlen <= fill
-    {
-      memcpy( S->buf + left, in, inlen );
-      S->buflen += inlen; // Be lazy, do not compress
-      in += inlen;
-      inlen -= inlen;
-    }
-  }
-
-  return 0;
-}
-
-int blake2s_final( blake2s_state *S, uint8_t *out, uint8_t outlen )
-{
-  uint8_t buffer[BLAKE2S_OUTBYTES];
-  int     i;
-
-  if( S->buflen > BLAKE2S_BLOCKBYTES )
-  {
-    blake2s_increment_counter( S, BLAKE2S_BLOCKBYTES );
-    blake2s_compress( S, S->buf );
-    S->buflen -= BLAKE2S_BLOCKBYTES;
-    memcpy( S->buf, S->buf + BLAKE2S_BLOCKBYTES, S->buflen );
-  }
-
-  blake2s_increment_counter( S, ( uint32_t )S->buflen );
-  blake2s_set_lastblock( S );
-  memset( S->buf + S->buflen, 0, 2 * 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 );
-  return 0;
-}
-
-int blake2s( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen )
-{
-  blake2s_state S[1];
-
-  /* Verify parameters */
-  if ( NULL == in ) return -1;
-
-  if ( NULL == out ) return -1;
-
-  if ( NULL == key ) keylen = 0; /* Fail here instead if keylen != 0 and key == NULL? */
-
-  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, ( uint8_t * )in, inlen );
-  blake2s_final( S, out, outlen );
-  return 0;
-}