Symmetric-key algorithm
Symmetric-key algorithm Symmetric-key algorithms are a class of algorithms for ... for both decryption and encryption. The encryption key is trivially related to the decryption ...
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Key size
Key size In cryptography, the key size (alternatively key length) is a measure of the number ... specified in bits. The length of a key is critical in determining the susceptibility of ... a cipher so that only the correct key can convert encrypted text (ciphertext) to ...
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Key (cryptography)
Key (cryptography) A key is a piece of information that controls ... of a cryptography algorithm. In encryption, a key specifies the particular transformation of plaintext into ... the same plaintext but with a different key should produce a totally different ciphertext. Similarly, decrypting ciphertext with the wrong key should produce random-looking gibberish. (For ...
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Cryptographic key types
Cryptographic key types According to NIST SP 800-57 ... keys should be considered: Signature keys: Assymetric key pairs that are used to generate digital ... integrity, and non-repudiation. Individually, the private key is known as a signature key, while the public key is known as a verification key. ...
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Key space
Key space In cryptography, an algorithm's key space refers to all possible keys that ... B,C...Z represent a much smaller key space than AAA,AAB,AAC...ZZZ. A ... trying to brute-force through all possible key values. Example Rijndael/AES, the flagship of symmetric ciphers, allows a key of up ...
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Key exchange
Key exchange Key exchange is any method in cryptography which ... appropriate keys. If the cipher is a symmetric key cipher, both will need a copy of the same key. If an asymmetric key cipher with ...
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Key authentication
Key authentication Key authentication is a problem that arises when using public key cryptography. It is normally defined as the ... problem of being certain that the public key of Bob held by Alice is in fact Bob's key. In traditional symmetric key cryptography this ...
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Public-key cryptography
Public-key cryptography Public key cryptography is a form of cryptography which ... having prior access to a shared secret key. This is done by using a pair of cryptographic keys, designated as public key and private key, which are related mathematically. The term ...
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Common key code   (translated from Japanese)
Common key code Common key codeSystem (today う key bean jam う one system, Common key cryptosystem), equality to encoding and decoding (commonness ... thing of the encryption which uses the key. Secret key encryption (secret key cryptosystem) ...
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Dimension key   (translated from Italian)
Dimension key In Crittologia , dimension of the Key measure the number of possible usable keys ... use binary keys the length of the key comes specified in bit . The length of the key is a critical element since a too much short key would be forzabile through one Attack ...
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