- Algorithms
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- Cryptographic algorithms
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- Symmetric-key algorithms
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- Ciphers

- Cryptography
- >
- Cryptographic algorithms
- >
- Symmetric-key algorithms
- >
- Ciphers

- Cryptography
- >
- Symmetric-key cryptography
- >
- Symmetric-key algorithms
- >
- Ciphers

Differential equations of addition

In cryptography, differential equations of addition (DEA) are one of the most basic equations related to differential cryptanalysis that mix additions over two different groups (e.g. addition modulo 2

Theban alphabet

The Theban alphabet is a writing system, in particular a substitution cipher of the Latin alphabet, used by early modern occultists and popular in the Wicca movement.

Cipher

In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure. An alternative, less common term is en

Blocknots

Blocknots were random sequences of numbers contained in a book and organized by numbered rows and columns and were used as additives in the recyphering of Soviet Union codes, during World War II. The

Null encryption

In modern cryptography, null encryption (or selecting null cipher or NONE cipher) is choosing not to use encryption in a system where various encryption options are offered. When this option is used,

Adiantum (cipher)

Adiantum is a cipher construction for disk encryption, which uses the ChaCha and Advanced Encryption Standard (AES) ciphers, and Poly1305 cryptographic message authentication code (MAC). It was design

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