Titlebook: Cryptography Made Simple; Nigel P. Smart Textbook 2016 Springer Nature Switzerland AG 2016 Block Ciphers.Digital Signatures.Discrete Logar

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Discrete LogarithmsIn Chapter 2 we examined the hard problem of FACTOR. This gave us some (hopefully) one-way functions, namely the RSA function, the squaring function modulo a composite and the function which multiplies two large numbers together.

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Historical CiphersAn encryption algorithm, or cipher, is a means of transforming plaintext into ciphertext under the control of a secret key. This process is called encryption or encipherment.

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Public Key Encryption and Signature AlgorithmsIn this section we present three basic passively secure encryption schemes, namely the Goldwasser–Micali encryption scheme, the ElGamal encryption scheme, and the Paillier encryption scheme.

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978-3-319-37309-6Springer Nature Switzerland AG 2016