- Moved all examples programs to use the new entropy and CTR_DRBG

diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 0f0cfc3..d24ae00 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -39,7 +39,8 @@
 
 #include "polarssl/config.h"
 
-#include "polarssl/havege.h"
+#include "polarssl/entropy.h"
+#include "polarssl/ctr_drbg.h"
 #include "polarssl/certs.h"
 #include "polarssl/x509.h"
 #include "polarssl/ssl.h"
@@ -52,17 +53,18 @@
     "<p>Successful connection using: %s</p>\r\n"
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_CERTS_C) ||    \
-    !defined(POLARSSL_HAVEGE_C) || !defined(POLARSSL_SSL_TLS_C) ||  \
+    !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_SSL_TLS_C) || \
     !defined(POLARSSL_SSL_SRV_C) || !defined(POLARSSL_NET_C) ||     \
-    !defined(POLARSSL_RSA_C)
+    !defined(POLARSSL_RSA_C) || !defined(POLARSSL_CTR_DRBG_C)
 int main( int argc, char *argv[] )
 {
     ((void) argc);
     ((void) argv);
 
-    printf("POLARSSL_BIGNUM_C and/or POLARSSL_CERTS_C and/or POLARSSL_HAVEGE_C "
+    printf("POLARSSL_BIGNUM_C and/or POLARSSL_CERTS_C and/or POLARSSL_ENTROPY_C "
            "and/or POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
-           "POLARSSL_NET_C and/or POLARSSL_RSA_C not defined.\n");
+           "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
+           "POLARSSL_CTR_DRBG_C not defined.\n");
     return( 0 );
 }
 #elif defined(_WIN32)
@@ -204,8 +206,10 @@
     int listen_fd;
     int client_fd;
     unsigned char buf[1024];
+    char *pers = "ssl_fork_server";
 
-    havege_state hs;
+    entropy_context entropy;
+    ctr_drbg_context ctr_drbg;
     ssl_context ssl;
     ssl_session ssn;
     x509_cert srvcert;
@@ -217,9 +221,25 @@
     signal( SIGCHLD, SIG_IGN );
 
     /*
+     * 0. Initial seeding of the RNG
+     */
+    printf( "\n  . Initial seeding of the random generator..." );
+    fflush( stdout );
+
+    entropy_init( &entropy );
+    if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
+                    (unsigned char *) pers, strlen( pers ) ) ) != 0 )
+    {
+        printf( " failed\n  ! ctr_drbg_init returned %d\n", ret );
+        goto exit;
+    }
+
+    printf( " ok\n" );
+
+    /*
      * 1. Load the certificates and private RSA key
      */
-    printf( "\n  . Loading the server cert. and key..." );
+    printf( "  . Loading the server cert. and key..." );
     fflush( stdout );
 
     memset( &srvcert, 0, sizeof( x509_cert ) );
@@ -308,6 +328,13 @@
 
         if( pid != 0 )
         {
+            if( ( ret = ctr_drbg_reseed( &ctr_drbg,
+                                         (unsigned char* ) "parent", 6 ) ) != 0 )
+            {
+                printf( " failed\n  ! ctr_drbg_reseed returned %d\n", ret );
+                goto exit;
+            }
+
             close( client_fd );
             continue;
         }
@@ -317,11 +344,16 @@
         /*
          * 4. Setup stuff
          */
-        printf( "  . Setting up the RNG and SSL data...." );
+        printf( "  . Setting up the SSL data...." );
         fflush( stdout );
 
-        havege_init( &hs );
-
+        if( ( ret = ctr_drbg_reseed( &ctr_drbg,
+                                     (unsigned char *) "child", 5 ) ) != 0 )
+        {
+            printf( " failed\n  ! ctr_drbg_reseed returned %d\n", ret );
+            goto exit;
+        }
+        
         if( ( ret = ssl_init( &ssl ) ) != 0 )
         {
             printf( " failed\n  ! ssl_init returned %d\n\n", ret );
@@ -333,7 +365,7 @@
         ssl_set_endpoint( &ssl, SSL_IS_SERVER );
         ssl_set_authmode( &ssl, SSL_VERIFY_NONE );
 
-        ssl_set_rng( &ssl, havege_random, &hs );
+        ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
         ssl_set_dbg( &ssl, my_debug, stdout );
         ssl_set_bio( &ssl, net_recv, &client_fd,
                            net_send, &client_fd );
@@ -466,6 +498,6 @@
 
     return( ret );
 }
-#endif /* POLARSSL_BIGNUM_C && POLARSSL_CERTS_C && POLARSSL_HAVEGE_C &&
+#endif /* POLARSSL_BIGNUM_C && POLARSSL_CERTS_C && POLARSSL_ENTROPY_C &&
           POLARSSL_SSL_TLS_C && POLARSSL_SSL_SRV_C && POLARSSL_NET_C &&
-          POLARSSL_RSA_C */
+          POLARSSL_RSA_C && POLARSSL_CTR_DRBG_C */