1 files changed, 0 insertions, 140 deletions
diff --git a/lib/cryptopp/ccm.cpp b/lib/cryptopp/ccm.cpp
deleted file mode 100644
index 030828ad8..000000000
--- a/lib/cryptopp/ccm.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-// ccm.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-
-#ifndef CRYPTOPP_IMPORTS
-
-#include "ccm.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void CCM_Base::SetKeyWithoutResync(const byte *userKey, size_t keylength, const NameValuePairs &params)
-{
-	BlockCipher &blockCipher = AccessBlockCipher();
-
-	blockCipher.SetKey(userKey, keylength, params);
-
-	if (blockCipher.BlockSize() != REQUIRED_BLOCKSIZE)
-		throw InvalidArgument(AlgorithmName() + ": block size of underlying block cipher is not 16");
-
-	m_digestSize = params.GetIntValueWithDefault(Name::DigestSize(), DefaultDigestSize());
-	if (m_digestSize % 2 > 0 || m_digestSize < 4 || m_digestSize > 16)
-		throw InvalidArgument(AlgorithmName() + ": DigestSize must be 4, 6, 8, 10, 12, 14, or 16");
-
-	m_buffer.Grow(2*REQUIRED_BLOCKSIZE);
-	m_L = 8;
-}
-
-void CCM_Base::Resync(const byte *iv, size_t len)
-{
-	BlockCipher &cipher = AccessBlockCipher();
-
-	m_L = REQUIRED_BLOCKSIZE-1-(int)len;
-	assert(m_L >= 2);
-	if (m_L > 8)
-		m_L = 8;
-
-	m_buffer[0] = byte(m_L-1);	// flag
-	memcpy(m_buffer+1, iv, len);
-	memset(m_buffer+1+len, 0, REQUIRED_BLOCKSIZE-1-len);
-
-	if (m_state >= State_IVSet)
-		m_ctr.Resynchronize(m_buffer, REQUIRED_BLOCKSIZE);
-	else
-		m_ctr.SetCipherWithIV(cipher, m_buffer);
-
-	m_ctr.Seek(REQUIRED_BLOCKSIZE);
-	m_aadLength = 0; 
-	m_messageLength = 0;
-}
-
-void CCM_Base::UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength)
-{
-	if (m_state != State_IVSet)
-		throw BadState(AlgorithmName(), "SpecifyDataLengths", "or after State_IVSet");
-
-	m_aadLength = headerLength; 
-	m_messageLength = messageLength;
-
-	byte *cbcBuffer = CBC_Buffer();
-	const BlockCipher &cipher = GetBlockCipher();
-
-	cbcBuffer[0] = byte(64*(headerLength>0) + 8*((m_digestSize-2)/2) + (m_L-1));	// flag
-	PutWord<word64>(true, BIG_ENDIAN_ORDER, cbcBuffer+REQUIRED_BLOCKSIZE-8, m_messageLength);
-	memcpy(cbcBuffer+1, m_buffer+1, REQUIRED_BLOCKSIZE-1-m_L);
-	cipher.ProcessBlock(cbcBuffer);
-
-	if (headerLength>0)
-	{
-		assert(m_bufferedDataLength == 0);
-
-		if (headerLength < ((1<<16) - (1<<8)))
-		{
-			PutWord<word16>(true, BIG_ENDIAN_ORDER, m_buffer, (word16)headerLength);
-			m_bufferedDataLength = 2;
-		}
-		else if (headerLength < (W64LIT(1)<<32))
-		{
-			m_buffer[0] = 0xff;
-			m_buffer[1] = 0xfe;
-			PutWord<word32>(false, BIG_ENDIAN_ORDER, m_buffer+2, (word32)headerLength);
-			m_bufferedDataLength = 6;
-		}
-		else
-		{
-			m_buffer[0] = 0xff;
-			m_buffer[1] = 0xff;
-			PutWord<word64>(false, BIG_ENDIAN_ORDER, m_buffer+2, headerLength);
-			m_bufferedDataLength = 10;
-		}
-	}
-}
-
-size_t CCM_Base::AuthenticateBlocks(const byte *data, size_t len)
-{
-	byte *cbcBuffer = CBC_Buffer();
-	const BlockCipher &cipher = GetBlockCipher();
-	return cipher.AdvancedProcessBlocks(cbcBuffer, data, cbcBuffer, len, BlockTransformation::BT_DontIncrementInOutPointers|BlockTransformation::BT_XorInput);
-}
-
-void CCM_Base::AuthenticateLastHeaderBlock()
-{
-	byte *cbcBuffer = CBC_Buffer();
-	const BlockCipher &cipher = GetBlockCipher();
-
-	if (m_aadLength != m_totalHeaderLength)
-		throw InvalidArgument(AlgorithmName() + ": header length doesn't match that given in SpecifyDataLengths");
-
-	if (m_bufferedDataLength > 0)
-	{
-		xorbuf(cbcBuffer, m_buffer, m_bufferedDataLength);
-		cipher.ProcessBlock(cbcBuffer);
-		m_bufferedDataLength = 0;
-	}
-}
-
-void CCM_Base::AuthenticateLastConfidentialBlock()
-{
-	byte *cbcBuffer = CBC_Buffer();
-	const BlockCipher &cipher = GetBlockCipher();
-
-	if (m_messageLength != m_totalMessageLength)
-		throw InvalidArgument(AlgorithmName() + ": message length doesn't match that given in SpecifyDataLengths");
-
-	if (m_bufferedDataLength > 0)
-	{
-		xorbuf(cbcBuffer, m_buffer, m_bufferedDataLength);
-		cipher.ProcessBlock(cbcBuffer);
-		m_bufferedDataLength = 0;
-	}
-}
-
-void CCM_Base::AuthenticateLastFooterBlock(byte *mac, size_t macSize)
-{
-	m_ctr.Seek(0);
-	m_ctr.ProcessData(mac, CBC_Buffer(), macSize);
-}
-
-NAMESPACE_END
-
-#endif