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  2. Hi/Lo algorithm - Wikipedia

    en.wikipedia.org/wiki/Hi/Lo_algorithm

    Hi/Lo is an algorithm and a key generation strategy used for generating unique keys for use in a database as a primary key. It uses a sequence-based hi-lo pattern to generate values. Hi/Lo is used in scenarios where an application needs its entities to have an identity prior to persistence. It is a value generation strategy.

  3. Telegram (software) - Wikipedia

    en.wikipedia.org/wiki/Telegram_(software)

    Telegram Web A / Web K: Web: Yes: GPLv3 [194] [195] No: Two web-based versions of Telegram. [196] The web version cannot be used to register and log in, this feature is officially supported by the mobile app only. [197] The code for the legacy web client called Webogram is available as well, though this version is no longer supported. [198]

  4. Key generator - Wikipedia

    en.wikipedia.org/wiki/Key_generator

    This sequence is used as an encryption key at one end of communication, and as a decryption key at the other. One can implement a key generator in a system that aims to generate, distribute, and authenticate [4] keys in a way that without the private key, one cannot access the information in the public end. [5]

  5. ssh-keygen - Wikipedia

    en.wikipedia.org/wiki/Ssh-keygen

    Requests changing the passphrase of a private key file instead of creating a new private key. -t Specifies the type of key to create (e.g., rsa). -o Use the new OpenSSH format. -q quiets ssh-keygen. It is used by the /etc/rc file while creating a new key. -N Provides a new Passphrase. -B Dumps the key's fingerprint in Bubble Babble format. -l

  6. Stream cipher - Wikipedia

    en.wikipedia.org/wiki/Stream_cipher

    Key generation, distribution and management are critical for those applications. A stream cipher makes use of a much smaller and more convenient key such as 128 bits. Based on this key, it generates a pseudorandom keystream which can be combined with the plaintext digits in a similar fashion to the one-time pad. However, this comes at a cost.

  7. Block cipher - Wikipedia

    en.wikipedia.org/wiki/Block_cipher

    which takes as input a key K, of bit length k (called the key size), and a bit string P, of length n (called the block size), and returns a string C of n bits. P is called the plaintext, and C is termed the ciphertext. For each K, the function E K (P) is required to be an invertible mapping on {0,1} n. The inverse for E is defined as a function

  8. Distributed key generation - Wikipedia

    en.wikipedia.org/wiki/Distributed_key_generation

    Distributed key generation prevents single parties from having access to a private key. The involvement of many parties requires Distributed key generation to ensure secrecy in the presence of malicious contributions to the key calculation. [1] Distributed key generation is commonly used to decrypt shared ciphertexts or create group digital ...

  9. Ciphertext - Wikipedia

    en.wikipedia.org/wiki/Ciphertext

    In a symmetric key algorithm (e.g., DES, AES), the sender and receiver have a shared key established in advance: the sender uses the shared key to perform encryption; the receiver uses the shared key to perform decryption. Symmetric key algorithms can either be block ciphers or stream ciphers. Block ciphers operate on fixed-length groups of ...