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[Huawei] Add PBKDF2 crypto

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This commit is contained in:
Damien 'Psolyca' Gaignon 2024-01-29 21:34:08 +01:00
parent 2b5a49641a
commit f759072a7c
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1 changed files with 10 additions and 1 deletions
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11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/CryptoUtils.java
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@ -19,11 +19,13 @@ package nodomain.freeyourgadget.gadgetbridge.util;
import android.annotation.SuppressLint;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidKeySpecException;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
@ -31,8 +33,10 @@ import javax.crypto.IllegalBlockSizeException;
import javax.crypto.Mac;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.GCMParameterSpec;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.SecretKeySpec;
public class CryptoUtils {
@ -127,7 +131,12 @@ public class CryptoUtils {
generatedBytes.rewind();
generatedBytes.get(result, 0, outputLength);
return result;
}
public static byte[] pbkdf2Sha256(byte[] key, byte[] iv, int count, int length) throws InvalidKeySpecException, NoSuchAlgorithmException {
SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA256");
String keyStr = new String(key, StandardCharsets.UTF_8);
PBEKeySpec keySpec = new PBEKeySpec(keyStr.toCharArray(), iv, count, length);
return secretKeyFactory.generateSecret(keySpec).getEncoded();
}
}