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  2. Symmetric-key algorithm - Wikipedia

    en.wikipedia.org/wiki/Symmetric-key_algorithm

    Symmetric-key encryption: the same key is used for both encryption and decryption. Symmetric-key algorithms [a] are algorithms for cryptography that use the same cryptographic keys for both the encryption of plaintext and the decryption of ciphertext. The keys may be identical, or there may be a simple transformation to go between the two keys. [1]

  3. Key management - Wikipedia

    en.wikipedia.org/wiki/Key_management

    These may include symmetric keys or asymmetric keys. In a symmetric key algorithm the keys involved are identical for both encrypting and decrypting a message. Keys must be chosen carefully, and distributed and stored securely. Asymmetric keys, also known as public keys, in contrast are two distinct keys that are mathematically linked. They are ...

  4. Cryptographic key types - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_key_types

    Asymmetric keys differ from symmetric keys in that the algorithms use separate keys for encryption and decryption, while a symmetric key’s algorithm uses a single key for both processes. Because multiple keys are used with an asymmetric algorithm, the process takes longer to produce than a symmetric key algorithm would.

  5. Cryptography - Wikipedia

    en.wikipedia.org/wiki/Cryptography

    Symmetric-key cryptography, where a single key is used for both encryption and decryption. Symmetric-key cryptography refers to encryption methods in which both the sender and receiver share the same key (or, less commonly, in which their keys are different, but related in an easily computable way).

  6. Key (cryptography) - Wikipedia

    en.wikipedia.org/wiki/Key_(cryptography)

    On the other hand, RSA is a form of the asymmetric key system which consists of three steps: key generation, encryption, and decryption. [12] Key confirmation delivers an assurance between the key confirmation recipient and provider that the shared keying materials are correct and established.

  7. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    The initial asymmetric cryptography-based key exchange to share a server-generated symmetric key from the server to client has the advantage of not requiring that a symmetric key be pre-shared manually, such as on printed paper or discs transported by a courier, while providing the higher data throughput of symmetric key cryptography over ...

  8. Encrypting File System - Wikipedia

    en.wikipedia.org/wiki/Encrypting_File_System

    The symmetric encryption algorithm used will vary depending on the version and configuration of the operating system; see Algorithms used by Windows version below. The FEK (the symmetric key that is used to encrypt the file) is then encrypted with a public key that is associated with the user who encrypted the file, and this encrypted FEK is ...

  9. Data Protection API - Wikipedia

    en.wikipedia.org/wiki/Data_Protection_API

    A main encryption/decryption key is derived from user's password by PBKDF2 function. [2] Particular data binary large objects can be encrypted in a way that salt is added and/or an external user-prompted password (aka "Strong Key Protection") is required. The use of a salt is a per-implementation option – i.e. under the control of the ...