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All algorithms support authenticated encryption with plaintext P and additional authenticated data A (that remains unencrypted). The encryption input also includes a public nonce N, the output - authentication tag T, size of the ciphertext C is the same as that of P. The decryption uses N, A, C, and T as inputs and produces either P or signals ...
Authenticated Encryption (AE) is an encryption scheme which simultaneously assures the data confidentiality (also known as privacy: the encrypted message is impossible to understand without the knowledge of a secret key [1]) and authenticity (in other words, it is unforgeable: [2] the encrypted message includes an authentication tag that the sender can calculate only while possessing the ...
The Competition for Authenticated Encryption: Security, Applicability, and Robustness (CAESAR) is a competition organized by a group of international cryptologic researchers to encourage the design of authenticated encryption schemes. [1]
It was submitted as a candidate for the Advanced Encryption Standard (AES); however, it was not among the five AES finalists. It is an extension of an earlier cipher, CAST-128; both were designed according to the "CAST" design methodology invented by Carlisle Adams and Stafford Tavares. Howard Heys and Michael Wiener also contributed to the design.
Speck is a family of lightweight block ciphers publicly released by the National Security Agency (NSA) in June 2013. [3] Speck has been optimized for performance in software implementations, while its sister algorithm, Simon, has been optimized for hardware implementations.
CCM mode (counter with cipher block chaining message authentication code; counter with CBC-MAC) is a mode of operation for cryptographic block ciphers.It is an authenticated encryption algorithm designed to provide both authentication and confidentiality.
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An initialization vector (IV) or starting variable (SV) [5] is a block of bits that is used by several modes to randomize the encryption and hence to produce distinct ciphertexts even if the same plaintext is encrypted multiple times, without the need for a slower re-keying process.