Implementations of the Speck & Simon Block Ciphers

##Status #####Python

• Speck Cipher Implemented
• Simon Cipher Implemented
• Some Cipher Mode Test Missing
• Some Cipher Setup Tests Missing

#####VHDL

• Pre-liminary Simon implementation and test bench is complete. All key/block sizes working
• Speck in progress
• Need to add top layer that add cipher block mode options.

#####C TODO