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++/Sha1Checksum.h | 52 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/mbedTLS++/Sha1Checksum.h

(limited to 'src/mbedTLS++/Sha1Checksum.h')

diff --git a/src/mbedTLS++/Sha1Checksum.h b/src/mbedTLS++/Sha1Checksum.h
new file mode 100644
index 000000000..43180e531
--- /dev/null
+++ b/src/mbedTLS++/Sha1Checksum.h
@@ -0,0 +1,52 @@
+
+// Sha1Checksum.h
+
+// Declares the cSha1Checksum class representing the SHA-1 checksum calculator
+
+
+
+
+
+#pragma once
+
+#include "mbedtls/sha1.h"
+
+
+
+
+
+/** Calculates a SHA1 checksum for data stream */
+class cSha1Checksum
+{
+public:
+	typedef Byte Checksum[20];  // The type used for storing the checksum
+
+	cSha1Checksum(void);
+
+	/** Adds the specified data to the checksum */
+	void Update(const Byte * a_Data, size_t a_Length);
+
+	/** Calculates and returns the final checksum */
+	void Finalize(Checksum & a_Output);
+
+	/** Returns true if the object is accepts more input data, false if Finalize()-d (need to Restart()) */
+	bool DoesAcceptInput(void) const { return m_DoesAcceptInput; }
+
+	/** Converts a raw 160-bit SHA1 digest into a Java Hex representation
+	According to http://wiki.vg/Protocol_Encryption
+	*/
+	static void DigestToJava(const Checksum & a_Digest, AString & a_JavaOut);
+
+	/** Clears the current context and start a new checksum calculation */
+	void Restart(void);
+
+protected:
+	/** True if the object is accepts more input data, false if Finalize()-d (need to Restart()) */
+	bool m_DoesAcceptInput;
+
+	mbedtls_sha1_context m_Sha1;
+} ;
+
+
+
+
-- 
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