--- a/demos/test/cipher_hash_test.c	Tue Jun 15 14:07:21 2004 +0000
+++ b/demos/test/cipher_hash_test.c	Sun Dec 19 11:34:45 2004 +0000
@@ -4,7 +4,10 @@
 
 int cipher_hash_test(void)
 {
-   int x;
+   int           x;
+   unsigned char buf[4096];
+   unsigned long n;
+   prng_state    nprng;
    
    /* test ciphers */
    for (x = 0; cipher_descriptor[x].name != NULL; x++) {
@@ -15,6 +18,24 @@
    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;
 }