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cryptography - Reliable implementation of PBKDF2-HMAC-SHA256 for JAVA

UPDATED 2019: Bouncycastle now support PBKDF2-HMAC-SHA256 since bouncycastle 1.60


Is there any reliable implementation of PBKDF2-HMAC-SHA256 for JAVA?

I used to encrypt using bouncycastle but it does not provide PBKDF2WithHmacSHA256'.

I do not want to write crypto module by myself.

Could you recommend any alternative library or algorithm (if i can stick with bouncycastle)

(here are the algorithms that bouncycastle supports) http://www.bouncycastle.org/specifications.html

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Using BouncyCastle classes directly:

PKCS5S2ParametersGenerator gen = new PKCS5S2ParametersGenerator(new SHA256Digest());
gen.init("password".getBytes("UTF-8"), "salt".getBytes(), 4096);
byte[] dk = ((KeyParameter) gen.generateDerivedParameters(256)).getKey();

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