Bitcoin
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Computer_programming
Alan_Turing
Encryption
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International_Data_Encryption_Algorithm
Twofish
ROT13
Wi-Fi_Protected_Access
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Differential_cryptanalysis
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Communications_Security_Establishment
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RC2
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DES-X
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Ultra
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Kerckhoffs's_principle
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Needham-Schroeder_protocol
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Communication_Theory_of_Secrecy_Systems
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MQV
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EFF_DES_cracker
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ESTREAM
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MacGuffin_(cipher)
Rolf_Noskwith
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Lorenz_cipher
SHA-1
Differential_privacy
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Password_manager
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