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, 109 deletions

diff --git a/cryptopp562/wake.cpp b/cryptopp562/wake.cpp
deleted file mode 100644
index ff40b05..0000000
--- a/cryptopp562/wake.cpp
+++ /dev/null
@@ -1,109 +0,0 @@
-// wake.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "wake.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void WAKE_TestInstantiations()
-{
-	WAKE_OFB<>::Encryption x2;
-	WAKE_OFB<>::Decryption x4;
-}
-
-inline word32 WAKE_Base::M(word32 x, word32 y)
-{
-	word32 w = x+y;
-	return (w>>8) ^ t[w & 0xff];
-}
-
-void WAKE_Base::GenKey(word32 k0, word32 k1, word32 k2, word32 k3)
-{
-	// this code is mostly copied from David Wheeler's paper "A Bulk Data Encryption Algorithm"
-	signed int x, z, p;	
-	// x and z were declared as "long" in Wheeler's paper, which is a signed type. I don't know if that was intentional, but it's too late to change it now. -- Wei 7/4/2010
-	CRYPTOPP_COMPILE_ASSERT(sizeof(x) == 4);
-	static long long int tt[10]= {
-		0x726a8f3b,								 // table
-		0xe69a3b5c,
-		0xd3c71fe5,
-		0xab3c73d2,
-		0x4d3a8eb3,
-		0x0396d6e8,
-		0x3d4c2f7a,
-		0x9ee27cf3, } ;
-	t[0] = k0;
-	t[1] = k1;
-	t[2] = k2;
-	t[3] = k3;
-	for (p=4 ; p<256 ; p++)
-	{
-	  x=t[p-4]+t[p-1] ; 					   // fill t
-	  t[p]= (x>>3) ^ tt[x&7] ;
-	}
-
-	for (p=0 ; p<23 ; p++)
-		t[p]+=t[p+89] ; 		  // mix first entries
-	x=t[33] ; z=t[59] | 0x01000001 ;
-	z=z&0xff7fffff ;
-	for (p=0 ; p<256 ; p++) {		//change top byte to
-	  x=(x&0xff7fffff)+z ; 		 // a permutation etc
-	  t[p]=(t[p] & 0x00ffffff) ^ x ; }
-
-	t[256]=t[0] ;
-	byte y=byte(x);
-	for (p=0 ; p<256 ; p++) {	  // further change perm.
-	  t[p]=t[y=byte(t[p^y]^y)] ;  // and other digits
-	  t[y]=t[p+1] ;  }
-}
-
-template <class B>
-void WAKE_Policy<B>::CipherSetKey(const NameValuePairs &params, const byte *key, size_t length)
-{
-	word32 k0, k1, k2, k3;
-	BlockGetAndPut<word32, BigEndian>::Get(key)(r3)(r4)(r5)(r6)(k0)(k1)(k2)(k3);
-	GenKey(k0, k1, k2, k3);
-}
-
-// OFB
-template <class B>
-void WAKE_Policy<B>::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
-{
-#define WAKE_OUTPUT(x)\
-	while (iterationCount--)\
-	{\
-		CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, B::ToEnum(), 0, r6);\
-		r3 = M(r3, r6);\
-		r4 = M(r4, r3);\
-		r5 = M(r5, r4);\
-		r6 = M(r6, r5);\
-		output += 4;\
-		if (!(x & INPUT_NULL))\
-			input += 4;\
-	}
-
-	typedef word32 WordType;
-	CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(WAKE_OUTPUT, 0);
-}
-/*
-template <class B>
-void WAKE_ROFB_Policy<B>::Iterate(KeystreamOperation operation, byte *output, const byte *input, unsigned int iterationCount)
-{
-	KeystreamOutput<B> keystreamOperation(operation, output, input);
-
-	while (iterationCount--)
-	{
-		keystreamOperation(r6);
-		r3 = M(r3, r6);
-		r4 = M(r4, r3);
-		r5 = M(r5, r4);
-		r6 = M(r6, r5);
-	}
-}
-*/
-template class WAKE_Policy<BigEndian>;
-template class WAKE_Policy<LittleEndian>;
-//template class WAKE_ROFB_Policy<BigEndian>;
-//template class WAKE_ROFB_Policy<LittleEndian>;
-
-NAMESPACE_END