PBKDF2 (RFC 8018)

1. Salt and iteration count

   Choosing salts and iteration counts.

2. PBKDF2 algorithm

   Iterated PRF block construction.

3. PBES2 encryption scheme

   Password-based encryption using PBKDF2.

4. Password-based key derivation (SP 800-132)

   NIST recommendations for PBKDF.

5. Work factor guidance (OWASP)

   Current recommended iteration counts.

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