From 84941bcc9f25cbe3fd3b2604080d0a1cfd8fbaa7 Mon Sep 17 00:00:00 2001
From: peterbell10 <peterbell10@live.co.uk>
Date: Wed, 30 Aug 2017 15:00:06 +0100
Subject: Update mbedtls to 2.5.1 (#3964)

* Renaming changes:
  * macro prefix "POLARSSL" -> "MBEDTLS"
  * functions now prefixed with "mbedtls_"
  * rename PolarSSL++ -> mbedTLS++
  * rename polarssl submodule

* Use mbedtls' AES-CFB8 implementation.

* Add cSslConfig to wrap mbedtls_ssl_config

* Update cTCPLink and cBlockingSslClientSocket to use cSslConfig

* Use cSslConfig in cHTTPServer

* Use cSslConfig for cMojangAPI::SecureRequest

* CI Fixes

* Set -fomit-frame-pointer on the right target
---
 src/mbedTLS++/CtrDrbgContext.cpp | 51 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 src/mbedTLS++/CtrDrbgContext.cpp

(limited to 'src/mbedTLS++/CtrDrbgContext.cpp')

diff --git a/src/mbedTLS++/CtrDrbgContext.cpp b/src/mbedTLS++/CtrDrbgContext.cpp
new file mode 100644
index 000000000..bd4a55000
--- /dev/null
+++ b/src/mbedTLS++/CtrDrbgContext.cpp
@@ -0,0 +1,51 @@
+
+// CtrDrbgContext.cpp
+
+// Implements the cCtrDrbgContext class representing a wrapper over CTR-DRBG implementation in mbedTLS
+
+#include "Globals.h"
+#include "CtrDrbgContext.h"
+#include "EntropyContext.h"
+
+
+
+
+
+cCtrDrbgContext::cCtrDrbgContext(void) :
+	m_EntropyContext(std::make_shared<cEntropyContext>()),
+	m_IsValid(false)
+{
+	mbedtls_ctr_drbg_init(&m_CtrDrbg);
+}
+
+
+
+
+
+cCtrDrbgContext::cCtrDrbgContext(const std::shared_ptr<cEntropyContext> & a_EntropyContext) :
+	m_EntropyContext(a_EntropyContext),
+	m_IsValid(false)
+{
+	mbedtls_ctr_drbg_init(&m_CtrDrbg);
+}
+
+
+
+
+
+int cCtrDrbgContext::Initialize(const void * a_Custom, size_t a_CustomSize)
+{
+	if (m_IsValid)
+	{
+		// Already initialized
+		return 0;
+	}
+
+	int res = mbedtls_ctr_drbg_seed(&m_CtrDrbg, mbedtls_entropy_func, &(m_EntropyContext->m_Entropy), reinterpret_cast<const unsigned char *>(a_Custom), a_CustomSize);
+	m_IsValid = (res == 0);
+	return res;
+}
+
+
+
+
-- 
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