view libtomcrypt/testprof/cipher_hash_test.c @ 1861:2b3a8026a6ce

Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents f849a5ca2efc
children
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/* test the ciphers and hashes using their built-in self-tests */

#include <tomcrypt_test.h>

int cipher_hash_test(void)
{
   int           x;
   unsigned char buf[4096];
   unsigned long n;
   prng_state    nprng;
   
   /* test ciphers */
   for (x = 0; cipher_descriptor[x].name != NULL; x++) {
      DO(cipher_descriptor[x].test());
   }
   
   /* test hashes */
   for (x = 0; hash_descriptor[x].name != NULL; x++) {
      DO(hash_descriptor[x].test());
   }
 
   /* test prngs (test, import/export */
   for (x = 0; prng_descriptor[x].name != NULL; x++) {
      DO(prng_descriptor[x].test());
      DO(prng_descriptor[x].start(&nprng));
      DO(prng_descriptor[x].add_entropy((unsigned char *)"helloworld12", 12, &nprng));
      DO(prng_descriptor[x].ready(&nprng));
      n = sizeof(buf);
      DO(prng_descriptor[x].pexport(buf, &n, &nprng));
      prng_descriptor[x].done(&nprng);
      DO(prng_descriptor[x].pimport(buf, n, &nprng));
      DO(prng_descriptor[x].ready(&nprng));
      if (prng_descriptor[x].read(buf, 100, &nprng) != 100) {
         fprintf(stderr, "Error reading from imported PRNG!\n");
         exit(EXIT_FAILURE);
      }
      prng_descriptor[x].done(&nprng);
   }
   
   return 0;
}

/* $Source$ */
/* $Revision$ */
/* $Date$ */