Third Year Dissertation - Dean Chester - [email protected]

This is part of my third year dissertation to discover whether a hardware implementation of an encryption algorithm is better for performance or a software implementation.

Design

It was designed with modularity in mind so each VHDL entity takes the form of a sub system that goes on in the algorithm. For example the initial permutation function which shifts the bits to the permuted positions.

Datapath

The datapath looks like:

Name		Name	Last commit message	Last commit date
Latest commit History 238 Commits
testbenches		testbenches
AlgorithmDecode.vhd		AlgorithmDecode.vhd
AlgorithmSelect.vhd		AlgorithmSelect.vhd
Counter.vhd		Counter.vhd
CryptoCore.vhd		CryptoCore.vhd
CryptoCoreStatemachine.vhd		CryptoCoreStatemachine.vhd
DES.vhd		DES.vhd
DESEncrypt.vhd		DESEncrypt.vhd
DESStateMachine.vhd		DESStateMachine.vhd
InputExpander.vhd		InputExpander.vhd
KeyContainer.vhd		KeyContainer.vhd
KeyStore.vhd		KeyStore.vhd
LeftShift.vhd		LeftShift.vhd
ModeStore.vhd		ModeStore.vhd
Mux32.vhd		Mux32.vhd
Mux64.vhd		Mux64.vhd
PIPOShift32.vhd		PIPOShift32.vhd
PIPOShift48.vhd		PIPOShift48.vhd
PIPOShift64.vhd		PIPOShift64.vhd
README.md		README.md
TDES.vhd		TDES.vhd
TDESStateMachine.vhd		TDESStateMachine.vhd
XORBit32.vhd		XORBit32.vhd
XORBit48.vhd		XORBit48.vhd
eFunction.vhd		eFunction.vhd
feistelFunction.vhd		feistelFunction.vhd
initialPermutation.vhd		initialPermutation.vhd
inversePermutation.vhd		inversePermutation.vhd
keyscheduling.vhd		keyscheduling.vhd
pc1.vhd		pc1.vhd
pc2.vhd		pc2.vhd
permutationFunction.vhd		permutationFunction.vhd
rotLeft.vhd		rotLeft.vhd
s1_box.vhd		s1_box.vhd
s2_box.vhd		s2_box.vhd
s3_box.vhd		s3_box.vhd
s4_box.vhd		s4_box.vhd
s5_box.vhd		s5_box.vhd
s6_box.vhd		s6_box.vhd
s7_box.vhd		s7_box.vhd
s8_box.vhd		s8_box.vhd

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Third Year Dissertation - Dean Chester - [email protected]

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Third Year Dissertation - Dean Chester - [email protected]

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