wow. that was easy: git mv core nucleus

[feisty_meow.git] / nucleus / library / crypto / ssl_init.cpp

diff --git a/nucleus/library/crypto/ssl_init.cpp b/nucleus/library/crypto/ssl_init.cpp
new file mode 100644 (file)
index 0000000..f32da3a
--- /dev/null
+++ b/nucleus/library/crypto/ssl_init.cpp
@@ -0,0 +1,72 @@
+/*****************************************************************************\
+*                                                                             *
+*  Name   : SSL initialization helper                                         *
+*  Author : Chris Koeritz                                                     *
+*                                                                             *
+*******************************************************************************
+* Copyright (c) 2005-$now By Author.  This program is free software; you can  *
+* redistribute it and/or modify it under the terms of the GNU General Public  *
+* License as published by the Free Software Foundation; either version 2 of   *
+* the License or (at your option) any later version.  This is online at:      *
+*     http://www.fsf.org/copyleft/gpl.html                                    *
+* Please send any updates to: fred@gruntose.com                               *
+\*****************************************************************************/
+
+#include "ssl_init.h"
+
+#include <basis/functions.h>
+#include <basis/mutex.h>
+#include <structures/static_memory_gremlin.h>
+
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+
+using namespace basis;
+using namespace mathematics;
+using namespace structures;
+
+namespace crypto {
+
+#define LOG(s) CLASS_EMERGENCY_LOG(program_wide_logger::get(), s)
+
+const int SEED_SIZE = 100;
+  // the size of the random seed that we'll use.
+
+// our global initialization object.
+SAFE_STATIC_CONST(ssl_init, static_ssl_initializer, )
+
+//#define DEBUG_SSL
+  // uncomment to cause more debugging information to be generated, plus
+  // more checking to be performed in the SSL support.
+
+ssl_init::ssl_init()
+: c_rando()
+{
+#ifdef DEBUG_SSL
+  CRYPTO_malloc_debug_init();
+  CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
+  CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+#endif
+  RAND_seed(random_bytes(SEED_SIZE).observe(), SEED_SIZE);
+}
+
+ssl_init::~ssl_init()
+{
+  CRYPTO_cleanup_all_ex_data();
+  ERR_remove_state(0);
+  CRYPTO_mem_leaks_fp(stderr);
+}
+
+const chaos &ssl_init::randomizer() const { return c_rando; }
+
+byte_array ssl_init::random_bytes(int length) const
+{
+  byte_array seed;
+  for (int i = 0; i < length; i++)
+    seed += abyte(c_rando.inclusive(0, 255));
+  return seed;
+}
+
+} //namespace.
+