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Added SecretKeyGenerator class

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Wiewiogr 2018-10-27 17:21:12 +02:00 committed by GitHub
parent 9a73b7b7d1
commit 98402dd45b
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1 changed files with 27 additions and 0 deletions
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Server/src/main/java/net/simon987/server/crypto/SecretKeyGenerator.java Normal file
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package net.simon987.server.crypto;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Base64;
public class SecretKeyGenerator {
private static final String KEY_GENERATION_ALGORITHM = "HmacSHA1";
private KeyGenerator keyGen;
public SecretKeyGenerator() {
try {
keyGen = KeyGenerator.getInstance(KEY_GENERATION_ALGORITHM);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException("Error creating Key generator", e);
}
keyGen.init(new SecureRandom(SecureRandom.getSeed(32)));
}
public String generate() {
SecretKey secretKey = keyGen.generateKey();
return Base64.getEncoder().encodeToString(secretKey.getEncoded());
}
}