50 lines
1.7 KiB
Java
50 lines
1.7 KiB
Java
package fr.xephi.authme.security.crypts;
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import fr.xephi.authme.security.pbkdf2.PBKDF2Engine;
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import fr.xephi.authme.security.pbkdf2.PBKDF2Parameters;
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import java.security.NoSuchAlgorithmException;
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/**
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*/
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public class CryptPBKDF2 implements EncryptionMethod {
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/**
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* Method getHash.
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*
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* @param password String
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* @param salt String
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* @param name String
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* @return String * @throws NoSuchAlgorithmException * @see fr.xephi.authme.security.crypts.EncryptionMethod#getHash(String, String, String)
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*/
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@Override
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public String getHash(String password, String salt, String name)
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throws NoSuchAlgorithmException {
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String result = "pbkdf2_sha256$10000$" + salt + "$";
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PBKDF2Parameters params = new PBKDF2Parameters("HmacSHA256", "ASCII", salt.getBytes(), 10000);
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PBKDF2Engine engine = new PBKDF2Engine(params);
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return result + String.valueOf(engine.deriveKey(password, 64));
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}
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/**
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* Method comparePassword.
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*
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* @param hash String
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* @param password String
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* @param playerName String
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* @return boolean * @throws NoSuchAlgorithmException * @see fr.xephi.authme.security.crypts.EncryptionMethod#comparePassword(String, String, String)
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*/
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@Override
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public boolean comparePassword(String hash, String password,
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String playerName) throws NoSuchAlgorithmException {
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String[] line = hash.split("\\$");
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String salt = line[2];
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String derivedKey = line[3];
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PBKDF2Parameters params = new PBKDF2Parameters("HmacSHA256", "ASCII", salt.getBytes(), 10000, derivedKey.getBytes());
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PBKDF2Engine engine = new PBKDF2Engine(params);
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return engine.verifyKey(password);
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}
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}
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