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  2. Encryption - Wikipedia

    en.wikipedia.org/wiki/Encryption

    The length of the encryption key is an indicator of the strength of the encryption method. [29] For example, the original encryption key, DES (Data Encryption Standard), was 56 bits, meaning it had 2^56 combination possibilities.

  3. Glossary of cryptographic keys - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_cryptographic_keys

    data encryption key (DEK) used to encrypt the underlying data. derived key - keys computed by applying a predetermined hash algorithm or key derivation function to a password or, better, a passphrase. DRM key - A key used in digital rights management to protect media; electronic key - (NSA) key that is distributed in electronic (as opposed to ...

  4. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    In colloquial use, the term "code" is often used to mean any method of encryption or concealment of meaning. However, in cryptography, code has a more specific meaning: the replacement of a unit of plaintext (i.e., a meaningful word or phrase) with a code word (for example, "wallaby" replaces "attack at dawn"). A cypher, in contrast, is a ...

  5. Glossary of computer science - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_computer_science

    Modern encryption schemes utilize the concepts of public-key and symmetric-key. [103] Modern encryption techniques ensure security because modern computers are inefficient at cracking the encryption. event An action or occurrence recognized by software, often originating asynchronously from the external environment, that may be handled by the ...

  6. Encryption software - Wikipedia

    en.wikipedia.org/wiki/Encryption_software

    Software encryption uses a cipher to obscure the content into ciphertext. One way to classify this type of software is the type of cipher used. Ciphers can be divided into two categories: public key ciphers (also known as asymmetric ciphers), and symmetric key ciphers. [4] Encryption software can be based on either public key or symmetric key ...

  7. Cipher - Wikipedia

    en.wikipedia.org/wiki/Cipher

    A code maps one meaning with another. Words and phrases can be coded as letters or numbers. Codes typically have direct meaning from input to key. Codes primarily function to save time. Ciphers are algorithmic. The given input must follow the cipher's process to be solved. Ciphers are commonly used to encrypt written information.

  8. How AOL uses SSL to protect your account

    help.aol.com/articles/how-aol-uses-ssl-to...

    Encryption scrambles and unscrambles your data to keep it protected. • A public key scrambles the data. • A private key unscrambles the data. Credit card security. When you make a purchase on AOL, we'll only finish the transaction if your browser supports SSL.

  9. Cryptographic key types - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_key_types

    Public key transport keys are the public keys of asymmetric key pairs that are used to encrypt keys using a public key algorithm. These keys are used to establish keys (e.g., key wrapping keys, data encryption keys or MAC keys) and, optionally, other keying material (e.g., Initialization Vectors). Symmetric key agreement key