Created
July 20, 2020 02:23
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Decrypt Dbeaver's stored passwords
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import java.io.ByteArrayInputStream; | |
import java.io.IOException; | |
import java.io.InputStream; | |
import java.nio.file.Files; | |
import java.nio.file.Paths; | |
import java.security.InvalidAlgorithmParameterException; | |
import java.security.InvalidKeyException; | |
import java.security.NoSuchAlgorithmException; | |
import javax.crypto.Cipher; | |
import javax.crypto.CipherInputStream; | |
import javax.crypto.NoSuchPaddingException; | |
import javax.crypto.SecretKey; | |
import javax.crypto.spec.IvParameterSpec; | |
import javax.crypto.spec.SecretKeySpec; | |
public class DecryptDbeaver { | |
// from the DBeaver source 8/23/19 https://github.com/dbeaver/dbeaver/blob/57cec8ddfdbbf311261ebd0c7f957fdcd80a085f/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/app/DefaultSecureStorage.java#L31 | |
private static final byte[] LOCAL_KEY_CACHE = new byte[] { -70, -69, 74, -97, 119, 74, -72, 83, -55, 108, 45, 101, 61, -2, 84, 74 }; | |
static String decrypt(byte[] contents) throws InvalidAlgorithmParameterException, InvalidKeyException, IOException, NoSuchPaddingException, NoSuchAlgorithmException { | |
try (InputStream byteStream = new ByteArrayInputStream(contents)) { | |
byte[] fileIv = new byte[16]; | |
byteStream.read(fileIv); | |
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); | |
SecretKey aes = new SecretKeySpec(LOCAL_KEY_CACHE, "AES"); | |
cipher.init(Cipher.DECRYPT_MODE, aes, new IvParameterSpec(fileIv)); | |
try (CipherInputStream cipherIn = new CipherInputStream(byteStream, cipher)) { | |
return inputStreamToString(cipherIn); | |
} | |
} | |
} | |
static String inputStreamToString(java.io.InputStream is) { | |
try (java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A")) { | |
return s.hasNext() ? s.next() : ""; | |
} | |
} | |
public static void main(String[] args) throws Exception { | |
System.out.println(decrypt(Files.readAllBytes(Paths.get(System.getProperty("user.home") + "/.local/share/.DBeaverData/workspace6/General/.dbeaver/credentials-config.json")))); | |
} | |
} |
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