Problem is, he managed to disguise his message so well, she couldn’t even read it. In 1897, composer Edward Elgar sent an enciphered letter to his friend Miss Dora “Dorabella” Penny.But of course, our great codebreakers are still up to the task of decoding them. Yes! There are some notable ciphers that are still unbreakable.Her contribution during the second World War involved decoding 4,000 German messages sent on 48 different radio circuits. ![]() She has been called “America’s first female cryptanalyst.” Another world famous codebreaker was Elizebeth Smith Friedman.He was the one who decoded German forces’ Enigma, thus bringing essential information and victory to the allies.Their most famous code breaker was Alan Turing. The center of codebreaking for the Allies during WW2 was at Bletchley Park in England. ![]() Their job is just as important as the encoders. A message can never be relayed unless someone decodes the ciphers. Codebreakers/cryptanalysts are important in the field of cryptography.Cryptanalysis is the study of ciphertext, ciphers, and cryptosystems with the aim of understanding how they work and finding and improving techniques for defeating or weakening them.2.Authentication: the sender and receiver can confirm each other’s identity and the origin/destination of the information.1.Non-repudiation: the creator/sender of the information cannot deny at a later stage his or her intentions in the transmission of the information.Integrity: the information cannot be altered between sender and receiver without the alteration being detected.Confidentiality: the information can only be understood the one for whom it was intended.Nowadays modern cryptography developed four objectives:.In the computer-centric world, cryptography is associated with scrambling plaintext (ordinary text or cleartext) into ciphertext (encryption process), then back again (decryption). In modern times, cryptography found its use in many other areas.Before long, Poland decoded the cipher and the information was transferred to the British forces.The rotors rotate at different rates on the keyboard to output appropriate letters of cipher text.German engineer Arthur Scherbius invented the Enigma machine, a secret communicating machine heavily used by the German forces. Cryptology found its greatest purpose during World Wars I & II.It encoded a substitution table and each key press resulted in the output of cipher text. At the start of the 19th century, Edward Hebern designed an electro-mechanical contraption called the Hebern rotor machine. ![]()
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