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DRMWorkaround: Remove final modifier from JceSecurity.isRestricted().

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This is needed for Oracle JDK 8 (u192).
This commit is contained in:
Oscar Guindzberg 2018-12-28 16:38:22 -03:00 committed by Andreas Schildbach
parent 23e74cee90
commit b9c2b61712
1 changed files with 4 additions and 0 deletions
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core/src/main/java/org/bitcoinj/crypto/DRMWorkaround.java
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@ -23,6 +23,7 @@ import org.slf4j.LoggerFactory;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
public class DRMWorkaround {
private static Logger log = LoggerFactory.getLogger(DRMWorkaround.class);
@ -43,6 +44,9 @@ public class DRMWorkaround {
try {
Field gate = Class.forName("javax.crypto.JceSecurity").getDeclaredField("isRestricted");
gate.setAccessible(true);
Field modifiersField = Field.class.getDeclaredField("modifiers");
modifiersField.setAccessible(true);
modifiersField.setInt(gate, gate.getModifiers() & ~Modifier.FINAL);
gate.setBoolean(null, false);
final Field allPerm = Class.forName("javax.crypto.CryptoAllPermission").getDeclaredField("INSTANCE");
allPerm.setAccessible(true);