The Tor Browser: netwerk/srtp/src/crypto/test/aes

netwerk/srtp/src/crypto/test/aes_calc.c@6474c204b198 (annotated)

netwerk/srtp/src/crypto/test/aes_calc.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * aes_calc.c
  *
  * A simple AES calculator for generating AES encryption values
  *
  * David A. McGrew
  * Cisco Systems, Inc.
  */
 /*
  *
  * Copyright (c) 2001-2006, Cisco Systems, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  *
  *   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.
  *
  *   Neither the name of the Cisco Systems, Inc. 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 COPYRIGHT HOLDERS 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
  * COPYRIGHT HOLDERS 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.
  *
  */
 /*
  Example usage (with first NIST FIPS 197 test case):
 [sh]$ test/aes_calc 000102030405060708090a0b0c0d0e0f 00112233445566778899aabbccddeeff -v
  plaintext:      00112233445566778899aabbccddeeff
  key:            000102030405060708090a0b0c0d0e0f
  ciphertext:     69c4e0d86a7b0430d8cdb78070b4c55a
  */
 #include "aes.h"
 #include <stdio.h>
 #include <string.h>
 void
 usage(char *prog_name) {
   printf("usage: %s <key> <plaintext> [-v]\n", prog_name);
   exit(255);
 }
 #define AES_MAX_KEY_LEN 32
 int
 main (int argc, char *argv[]) {
   v128_t data;
   uint8_t key[AES_MAX_KEY_LEN];
   aes_expanded_key_t exp_key;
   int key_len, len;
   int verbose;
   err_status_t status;
   if (argc == 3) {
     /* we're not in verbose mode */
     verbose = 0;
   } else if (argc == 4) {
     if (strncmp(argv[3], "-v", 2) == 0) {
       /* we're in verbose mode */
       verbose = 1;
     } else {
       /* unrecognized flag, complain and exit */
       usage(argv[0]);
     }
   } else {
     /* we've been fed the wrong number of arguments - compain and exit */
     usage(argv[0]);
   }
   /* read in key, checking length */
   if (strlen(argv[1]) > AES_MAX_KEY_LEN*2) {
     fprintf(stderr,
 	    "error: too many digits in key "
 	    "(should be at most %d hexadecimal digits, found %u)\n",
 	    AES_MAX_KEY_LEN*2, (unsigned)strlen(argv[1]));
     exit(1);
   }
   len = hex_string_to_octet_string((char*)key, argv[1], AES_MAX_KEY_LEN*2);
   /* check that hex string is the right length */
   if (len != 32 && len != 48 && len != 64) {
     fprintf(stderr,
 	    "error: bad number of digits in key "
 	    "(should be 32/48/64 hexadecimal digits, found %d)\n",
 	    len);
     exit(1);
   }
   key_len = len/2;
   /* read in plaintext, checking length */
   if (strlen(argv[2]) > 16*2) {
     fprintf(stderr,
 	    "error: too many digits in plaintext "
 	    "(should be %d hexadecimal digits, found %u)\n",
 *2, (unsigned)strlen(argv[2]));
     exit(1);
   }
   len = hex_string_to_octet_string((char *)(&data), argv[2], 16*2);
   /* check that hex string is the right length */
   if (len < 16*2) {
     fprintf(stderr,
 	    "error: too few digits in plaintext "
 	    "(should be %d hexadecimal digits, found %d)\n",
 *2, len);
     exit(1);
   }
   if (verbose) {
     /* print out plaintext */
     printf("plaintext:\t%s\n", octet_string_hex_string((uint8_t *)&data, 16));
   }
   /* encrypt plaintext */
   status = aes_expand_encryption_key(key, key_len, &exp_key);
   if (status) {
     fprintf(stderr,
 	    "error: AES key expansion failed.\n");
     exit(1);
   }
   aes_encrypt(&data, &exp_key);
   /* write ciphertext to output */
   if (verbose) {
     printf("key:\t\t%s\n", octet_string_hex_string(key, key_len));
     printf("ciphertext:\t");
   }
   printf("%s\n", v128_hex_string(&data));
   return 0;
 }

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netwerk/srtp/src/crypto/test/aes_calc.c@6474c204b198 (annotated)

netwerk/srtp/src/crypto/test/aes_calc.c