Merge branch 'mbedtls'

Replace Crypto++ 5.6.2 with Mbed TLS 3.6.0

Newer compilers are starting to show the age of the crypto library we've
been using, as it is sometimes a pain to recompile compass lately.  So,
the tracked version of Crypto++ was at least due for an upgrade.

However, I plan to soon begin reimplementing compass in C.  So, I'm
taking this opportunity to first just migrate the cryptography library
to a newer C alternative.  This branch does so, and integrates its use
into the current C++ version of compass.

* mbedtls:
  Remove unnecessary exception handler catch block
  Refactor random password generation to use mbedtls entropy source
  Refactor SHA256 function to use mbedtls
  Refactor AES functions to use mbedtls
  Add Mbedtls library
  Remove Crypto++ library

1 files changed, 0 insertions, 42 deletions

diff --git a/cryptopp562/crc.h b/cryptopp562/crc.h
deleted file mode 100644
index f75ea38..0000000
--- a/cryptopp562/crc.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef CRYPTOPP_CRC32_H
-#define CRYPTOPP_CRC32_H
-
-#include "cryptlib.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-const word32 CRC32_NEGL = 0xffffffffL;
-
-#ifdef IS_LITTLE_ENDIAN
-#define CRC32_INDEX(c) (c & 0xff)
-#define CRC32_SHIFTED(c) (c >> 8)
-#else
-#define CRC32_INDEX(c) (c >> 24)
-#define CRC32_SHIFTED(c) (c << 8)
-#endif
-
-//! CRC Checksum Calculation
-class CRC32 : public HashTransformation
-{
-public:
-	CRYPTOPP_CONSTANT(DIGESTSIZE = 4)
-	CRC32();
-	void Update(const byte *input, size_t length);
-	void TruncatedFinal(byte *hash, size_t size);
-	unsigned int DigestSize() const {return DIGESTSIZE;}
-    static const char * StaticAlgorithmName() {return "CRC32";}
-    std::string AlgorithmName() const {return StaticAlgorithmName();}
-
-	void UpdateByte(byte b) {m_crc = m_tab[CRC32_INDEX(m_crc) ^ b] ^ CRC32_SHIFTED(m_crc);}
-	byte GetCrcByte(size_t i) const {return ((byte *)&(m_crc))[i];}
-
-private:
-	void Reset() {m_crc = CRC32_NEGL;}
-	
-	static const word32 m_tab[256];
-	word32 m_crc;
-};
-
-NAMESPACE_END
-
-#endif