Playfair Cipher Code Encryption and Decryption in Java

Elizebeth Smith Friedman Was the U.S. Government’s First Woman Codebreaker. She Cracked Nazi Secrets, Saved 8,000 Lives and Pioneered Modern Cryptography

For decades, Elizebeth Smith Friedman worked in near-total secrecy, cracking codes that shaped the outcome of two world wars.

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