Reorganize and commit all the modified TACLeBench code and run scripts

1 files changed, 238 insertions, 0 deletions

diff --git a/all_pairs/source/rijndael_enc/rijndael_enc.c b/all_pairs/source/rijndael_enc/rijndael_enc.c
new file mode 100644
index 0000000..f74d595
--- /dev/null
+++ b/all_pairs/source/rijndael_enc/rijndael_enc.c
@@ -0,0 +1,238 @@
+/*
+
+  This program is part of the TACLeBench benchmark suite.
+  Version V 2.0
+
+  Name: rijndael_enc
+
+  Author: Dr Brian Gladman
+
+  Function: rijndael_enc is an implementation of the AES encryption
+            algorithm (Rijndael).
+
+  Source: security section of MiBench
+
+  Changes: Add computation of a checksum, refactoring
+
+  License: see below
+
+*/
+
+/*
+  -----------------------------------------------------------------------
+  Copyright (c) 2001 Dr Brian Gladman <brg@gladman.uk.net>, Worcester, UK
+
+  TERMS
+
+  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.
+
+  This software is provided 'as is' with no guarantees of correctness or
+  fitness for purpose.
+  -----------------------------------------------------------------------
+*/
+
+#include "../extra.h"
+#include "aes.h"
+#include "rijndael_enc_libc.h"
+
+/*
+  Global variable definitions
+*/
+unsigned char rijndael_enc_key[32];
+int rijndael_enc_key_len;
+
+extern unsigned char rijndael_enc_data[];
+struct rijndael_enc_FILE rijndael_enc_fin;
+
+int rijndael_enc_checksum = 0;
+
+/*
+  Forward declaration of functions
+*/
+void rijndael_enc_init( void );
+int rijndael_enc_return( void );
+void rijndael_enc_fillrand( unsigned char *buf, int len );
+void rijndael_enc_encfile( struct rijndael_enc_FILE *fin, struct aes *ctx );
+void rijndael_enc_main( void );
+
+void rijndael_enc_init( void )
+{
+  /* create a pseudo-file for the input*/
+  rijndael_enc_fin.data = rijndael_enc_data;
+  rijndael_enc_fin.size = 31369;
+  rijndael_enc_fin.cur_pos = 0;
+
+  unsigned i;
+  volatile int x = 0;
+  rijndael_enc_fin.size ^= x;
+  _Pragma( "loopbound min 31369 max 31369" )
+  for ( i = 0; i < rijndael_enc_fin.size; i++ )
+    rijndael_enc_fin.data[i] ^= x;
+
+  /* this is a pointer to the hexadecimal key digits  */
+  const volatile char *cp =
+    "1234567890abcdeffedcba09876543211234567890abcdeffedcba0987654321";
+  char ch;
+  int by = 0;
+
+  i = 0;                  /* this is a count for the input digits processed */
+  _Pragma( "loopbound min 64 max 64" )
+  while ( i < 64 && *cp ) { /* the maximum key length is 32 bytes and       */
+    /* hence at most 64 hexadecimal digits            */
+    ch = rijndael_enc_toupper( *cp++ );     /* process a hexadecimal digit  */
+    if ( ch >= '0' && ch <= '9' )
+      by = ( by << 4 ) + ch - '0';
+    else
+      if ( ch >= 'A' && ch <= 'F' )
+        by = ( by << 4 ) + ch - 'A' + 10;
+      else {                                /* error if not hexadecimal     */
+        rijndael_enc_checksum = -2;
+        return;
+      }
+
+    /* store a key byte for each pair of hexadecimal digits         */
+    if ( i++ & 1 )
+      rijndael_enc_key[i / 2 - 1] = by & 0xff;
+  }
+
+  if ( *cp ) {
+    rijndael_enc_checksum = -3;
+    return;
+  } else
+    if ( i < 32 || ( i & 15 ) ) {
+      rijndael_enc_checksum = -4;
+      return;
+    }
+
+  rijndael_enc_key_len = i / 2;
+}
+
+int rijndael_enc_return( void )
+{
+  return ( ( rijndael_enc_checksum == ( int )249509 ) ? 0 : -1 );
+}
+
+/* A Pseudo Random Number Generator (PRNG) used for the     */
+/* Initialisation Vector. The PRNG is George Marsaglia's    */
+/* Multiply-With-Carry (MWC) PRNG that concatenates two     */
+/* 16-bit MWC generators:                                   */
+/*     x(n)=36969 * x(n-1) + carry mod 2^16                 */
+/*     y(n)=18000 * y(n-1) + carry mod 2^16                 */
+/* to produce a combined PRNG with a period of about 2^60.  */
+
+#define RAND(a,b) (((a = 36969 * (a & 65535) + (a >> 16)) << 16) + (b = 18000 * (b & 65535) + (b >> 16))  )
+
+void rijndael_enc_fillrand( unsigned char *buf, int len )
+{
+  static unsigned long a[2], mt = 1, count = 4;
+  static char          r[4];
+  int                  i;
+
+  if ( mt ) {
+    mt = 0;
+    a[0] = 0xeaf3;
+    a[1] = 0x35fe;
+  }
+
+  _Pragma( "loopbound min 1 max 16" )
+  for ( i = 0; i < len; ++i ) {
+    if ( count == 4 ) {
+      *( unsigned long * )r = RAND( a[0], a[1] );
+      count = 0;
+    }
+
+    buf[i] = r[count++];
+  }
+}
+
+void rijndael_enc_encfile( struct rijndael_enc_FILE *fin, struct aes *ctx )
+{
+  unsigned char   inbuf[16], outbuf[16];
+  long int        flen;
+  unsigned long   i = 0, l = 0;
+
+  rijndael_enc_fillrand( outbuf,
+                         16 );    /* set an IV for CBC mode           */
+  flen = fin->size;
+
+  rijndael_enc_fillrand( inbuf,
+                         1 );     /* make top 4 bits of a byte random */
+  l = 15;                         /* and store the length of the last */
+  /* block in the lower 4 bits        */
+  inbuf[0] = ( ( char )flen & 15 ) | ( inbuf[0] & ~15 );
+
+  /* TODO: this is necessarily an input-dependent loop bound */
+  _Pragma( "loopbound min 1961 max 1961" )
+  while ( !rijndael_enc_feof(
+            fin ) ) {             /* loop to encrypt the input file   */
+    /* input 1st 16 bytes to buf[1..16] */
+    i = rijndael_enc_fread( inbuf + 16 - l, 1, l, fin ); /* on 1st round byte[0] */
+    /* is the length code    */
+    if ( i < l ) break;           /* if end of the input file reached */
+
+    _Pragma( "loopbound min 16 max 16" )
+    for ( i = 0; i < 16; ++i )    /* xor in previous cipher text      */
+      inbuf[i] ^= outbuf[i];
+
+    rijndael_enc_encrypt( inbuf, outbuf,
+                          ctx );  /* and do the encryption            */
+
+    rijndael_enc_checksum += outbuf[15];
+
+    /* in all but first round read 16   */
+    l = 16;                       /* bytes into the buffer            */