Cryptography

Salt

A random value added to a password before hashing so that identical passwords produce different digests. This defeats attacks using precomputed tables (rainbow tables), and it is recommended together with slow algorithms such as bcrypt, scrypt or PBKDF2.

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Related terms

Symmetric encryption Asymmetric encryption Hashing Hash-based message authentication code (HMAC) Digital signature Diffie-Hellman key exchange

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