1. One Time Pad (OTP) Usage SSG Ryan J. Gomez – U.S. Army Army Basic Instructors Course "If you think cryptography can solve your problem, then you don't understand your problem and you don't understand cryptography." -- Bruce Schneier
2. Terminal Learning Objective Terminal Learning Objective: Action: Correctly identify and utilize a OTP. Condition: Given a OTP, correct keying material, and scratch paper & writing utensil in a classroom environment. Standard: Decrypt and Encrypt a OTP message.
6. History of Cryptography and OTP Usage * The earliest methods of cryptography were altered hieroglyphics attempting to pass secret messages. * WWII messages were primarily mechanically generated. * Modern cryptography utilizes mathematically based encryption.
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15. One Time Pad The above is an example of a page from a standard one time pad. The encryption & decryption keys are impossible to decipher when generated using entirely random keys.