Key Derivation Functions (KDFs) for password hashing and key derivation. Password-Based KDFs PBKDF2 (Password-Based Key Derivation Function 2)

$$ DK = PBKDF2(password, salt, iterations, dkLen) $$

Algorithm: $$ \begin{aligned} T_i &= F(password, salt, iterations, i) \ F(password, salt, c, i) &= U_1 \oplus U_2 \oplus …

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