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Salt is random data that is added to data before generating a hash code. It is common to store the salt alongside the hash value.Pepper is also random data that is added to data before generating a hash code. Unlike salt, pepper is kept secret. In many cases, pepper isn't stored at all. In other cases, it is securely stored separately from the hash code.
Salt & PepperSalt and pepper make cryptographic hash functions more difficult to reverse. Both salt and pepper may be added to data before hashing it. Passwords are commonly stored as a hash code. This prevents the stored passwords from being used. One common way to break a hash code is to use precomputed tables of hash codes for common passwords known as rainbow tables. Salt and pepper defend against this type of attack.|
| Salt | Pepper | | Definition | Random data that is added to data before passing it to a cryptographic hash function. Salt may be stored alongside the hash value. | Random data that is added to data before passing it to a cryptographic hash function. Pepper is kept secret by storing it in a separate secure location or not storing it at all. |
Encryption
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