- Changed the used random function pointer to more flexible format. Renamed havege_rand() to havege_random() to prevent mistakes. Lots of changes as a consequence in library code and programs

diff --git a/programs/pkey/dh_client.c b/programs/pkey/dh_client.c
index ab7b9a6..7b13e91 100644
--- a/programs/pkey/dh_client.c
+++ b/programs/pkey/dh_client.c
@@ -207,7 +207,7 @@
 
     n = dhm.len;
     if( ( ret = dhm_make_public( &dhm, 256, buf, n,
-                                 havege_rand, &hs ) ) != 0 )
+                                 havege_random, &hs ) ) != 0 )
     {
         printf( " failed\n  ! dhm_make_public returned %d\n\n", ret );
         goto exit;
diff --git a/programs/pkey/dh_genprime.c b/programs/pkey/dh_genprime.c
index f6ae03f..ae31a1e 100644
--- a/programs/pkey/dh_genprime.c
+++ b/programs/pkey/dh_genprime.c
@@ -80,7 +80,7 @@
      * This can take a long time...
      */
     if( ( ret = mpi_gen_prime( &P, DH_P_SIZE, 1,
-                               havege_rand, &hs ) ) != 0 )
+                               havege_random, &hs ) ) != 0 )
     {
         printf( " failed\n  ! mpi_gen_prime returned %d\n\n", ret );
         goto exit;
@@ -101,7 +101,7 @@
         goto exit;
     }
 
-    if( ( ret = mpi_is_prime( &Q, havege_rand, &hs ) ) != 0 )
+    if( ( ret = mpi_is_prime( &Q, havege_random, &hs ) ) != 0 )
     {
         printf( " failed\n  ! mpi_is_prime returned %d\n\n", ret );
         goto exit;
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index de2ce97..70af54c 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -172,7 +172,7 @@
     memset( buf, 0, sizeof( buf ) );
 
     if( ( ret = dhm_make_params( &dhm, 256, buf, &n,
-                                 havege_rand, &hs ) ) != 0 )
+                                 havege_random, &hs ) ) != 0 )
     {
         printf( " failed\n  ! dhm_make_params returned %d\n\n", ret );
         goto exit;
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 0b54a17..63e2f13 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -110,7 +110,7 @@
     printf( "\n  . Generating the RSA encrypted value" );
     fflush( stdout );
 
-    if( ( ret = rsa_pkcs1_encrypt( &rsa, havege_rand, &hs, RSA_PUBLIC, strlen( argv[1] ), input, buf ) ) != 0 )
+    if( ( ret = rsa_pkcs1_encrypt( &rsa, havege_random, &hs, RSA_PUBLIC, strlen( argv[1] ), input, buf ) ) != 0 )
     {
         printf( " failed\n  ! rsa_pkcs1_encrypt returned %d\n\n", ret );
         goto exit;
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index d7158b4..e2d06fa 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -74,7 +74,7 @@
 
     rsa_init( &rsa, RSA_PKCS_V15, 0 );
     
-    if( ( ret = rsa_gen_key( &rsa, havege_rand, &hs, KEY_SIZE, EXPONENT ) ) != 0 )
+    if( ( ret = rsa_gen_key( &rsa, havege_random, &hs, KEY_SIZE, EXPONENT ) ) != 0 )
     {
         printf( " failed\n  ! rsa_gen_key returned %d\n\n", ret );
         goto exit;
diff --git a/programs/pkey/rsa_sign_pss.c b/programs/pkey/rsa_sign_pss.c
index e33cead..3174599 100644
--- a/programs/pkey/rsa_sign_pss.c
+++ b/programs/pkey/rsa_sign_pss.c
@@ -105,7 +105,7 @@
         goto exit;
     }
 
-    if( ( ret = rsa_pkcs1_sign( &rsa, havege_rand, &hs, RSA_PRIVATE, SIG_RSA_SHA1,
+    if( ( ret = rsa_pkcs1_sign( &rsa, havege_random, &hs, RSA_PRIVATE, SIG_RSA_SHA1,
                                 20, hash, buf ) ) != 0 )
     {
         printf( " failed\n  ! rsa_pkcs1_sign returned %d\n\n", ret );