8074865: General crypto resilience changes

Reviewed-by: mullan, xuelei

src/share/classes/com/sun/crypto/provider/AESCrypt.java

 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,7 +37,7 @@
 package com.sun.crypto.provider;
 
 import java.security.InvalidKeyException;
-import java.util.Arrays;
+import java.security.MessageDigest;
 
 /**
  * Rijndael --pronounced Reindaal-- is a symmetric cipher with a 128-bit
@@ -88,7 +88,7 @@ final class AESCrypt extends SymmetricCipher implements AESConstants
                 key.length + " bytes");
         }
 
-        if (!Arrays.equals(key, lastKey)) {
+        if (!MessageDigest.isEqual(key, lastKey)) {
             // re-generate session key 'sessionK' when cipher key changes
             makeSessionKey(key);
             lastKey = key.clone();  // save cipher key

src/share/classes/com/sun/crypto/provider/CipherCore.java

 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -568,7 +568,7 @@ final class CipherCore {
                 // check key+iv for encryption in GCM mode
                 requireReinit =
                     Arrays.equals(ivBytes, lastEncIv) &&
-                    Arrays.equals(keyBytes, lastEncKey);
+                    MessageDigest.isEqual(keyBytes, lastEncKey);
                 if (requireReinit) {
                     throw new InvalidAlgorithmParameterException
                         ("Cannot reuse iv for GCM encryption");

src/share/classes/com/sun/crypto/provider/DESKey.java

 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 
 package com.sun.crypto.provider;
 
+import java.security.MessageDigest;
 import java.security.KeyRep;
 import java.security.InvalidKeyException;
 import javax.crypto.SecretKey;
@@ -113,7 +114,7 @@ final class DESKey implements SecretKey {
             return false;
 
         byte[] thatKey = ((SecretKey)obj).getEncoded();
-        boolean ret = java.util.Arrays.equals(this.key, thatKey);
+        boolean ret = MessageDigest.isEqual(this.key, thatKey);
         java.util.Arrays.fill(thatKey, (byte)0x00);
         return ret;
     }

src/share/classes/com/sun/crypto/provider/DESedeKey.java

 /*
- * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 
 package com.sun.crypto.provider;
 
+import java.security.MessageDigest;
 import java.security.KeyRep;
 import java.security.InvalidKeyException;
 import javax.crypto.SecretKey;
@@ -114,7 +115,7 @@ final class DESedeKey implements SecretKey {
             return false;
 
         byte[] thatKey = ((SecretKey)obj).getEncoded();
-        boolean ret = java.util.Arrays.equals(this.key, thatKey);
+        boolean ret = MessageDigest.isEqual(this.key, thatKey);
         java.util.Arrays.fill(thatKey, (byte)0x00);
         return ret;
     }

src/share/classes/com/sun/crypto/provider/PBEKey.java

 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 
 package com.sun.crypto.provider;
 
+import java.security.MessageDigest;
 import java.security.KeyRep;
 import java.security.spec.InvalidKeySpecException;
 import javax.crypto.SecretKey;
@@ -107,7 +108,7 @@ final class PBEKey implements SecretKey {
             return false;
 
         byte[] thatEncoded = that.getEncoded();
-        boolean ret = java.util.Arrays.equals(this.key, thatEncoded);
+        boolean ret = MessageDigest.isEqual(this.key, thatEncoded);
         java.util.Arrays.fill(thatEncoded, (byte)0x00);
         return ret;
     }

src/share/classes/com/sun/crypto/provider/PBKDF2KeyImpl.java

 /*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,6 +30,7 @@ import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
 import java.nio.charset.Charset;
 import java.util.Arrays;
+import java.security.MessageDigest;
 import java.security.KeyRep;
 import java.security.GeneralSecurityException;
 import java.security.NoSuchAlgorithmException;
@@ -152,7 +153,7 @@ final class PBKDF2KeyImpl implements javax.crypto.interfaces.PBEKey {
                     SecretKey sk = (SecretKey)obj;
                     return prf.getAlgorithm().equalsIgnoreCase(
                         sk.getAlgorithm()) &&
-                        Arrays.equals(password, sk.getEncoded());
+                        MessageDigest.isEqual(password, sk.getEncoded());
                 }
             };
             prf.init(macKey);
@@ -238,7 +239,7 @@ final class PBKDF2KeyImpl implements javax.crypto.interfaces.PBEKey {
         if (!(that.getFormat().equalsIgnoreCase("RAW")))
             return false;
         byte[] thatEncoded = that.getEncoded();
-        boolean ret = Arrays.equals(key, that.getEncoded());
+        boolean ret = MessageDigest.isEqual(key, that.getEncoded());
         java.util.Arrays.fill(thatEncoded, (byte)0x00);
         return ret;
     }

src/share/classes/java/security/Identity.java

 /*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -261,7 +261,7 @@ public abstract class Identity implements Principal, Serializable {
         certificates.addElement(certificate);
     }
 
-    private boolean keyEquals(Key aKey, Key anotherKey) {
+    private boolean keyEquals(PublicKey aKey, PublicKey anotherKey) {
         String aKeyFormat = aKey.getFormat();
         String anotherKeyFormat = anotherKey.getFormat();
         if ((aKeyFormat == null) ^ (anotherKeyFormat == null))

src/share/classes/java/security/MessageDigest.java

 /*
- * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -440,6 +440,10 @@ public abstract class MessageDigest extends MessageDigestSpi {
      * @return true if the digests are equal, false otherwise.
      */
     public static boolean isEqual(byte[] digesta, byte[] digestb) {
+        if (digesta == digestb) return true;
+        if (digesta == null || digestb == null) {
+            return false;
+        }
         if (digesta.length != digestb.length) {
             return false;
         }

src/share/classes/java/security/Signature.java

 /*
- * Copyright (c) 1996, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1316,7 +1316,7 @@ public abstract class Signature extends SignatureSpi {
                 byte[] out = cipher.doFinal(sigBytes);
                 byte[] dataBytes = data.toByteArray();
                 data.reset();
-                return Arrays.equals(out, dataBytes);
+                return MessageDigest.isEqual(out, dataBytes);
             } catch (BadPaddingException e) {
                 // e.g. wrong public key used
                 // return false rather than throwing exception

src/share/classes/javax/crypto/spec/SecretKeySpec.java

 /*
- * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,7 @@
 
 package javax.crypto.spec;
 
+import java.security.MessageDigest;
 import java.security.spec.KeySpec;
 import javax.crypto.SecretKey;
 
@@ -226,6 +227,6 @@ public class SecretKeySpec implements KeySpec, SecretKey {
 
         byte[] thatKey = ((SecretKey)obj).getEncoded();
 
-        return java.util.Arrays.equals(this.key, thatKey);
+        return MessageDigest.isEqual(this.key, thatKey);
     }
 }

src/share/classes/sun/security/pkcs11/P11Key.java

 /*
- * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -165,7 +165,7 @@ abstract class P11Key implements Key, Length {
         } else {
             otherEnc = other.getEncoded();
         }
-        return Arrays.equals(thisEnc, otherEnc);
+        return MessageDigest.isEqual(thisEnc, otherEnc);
     }
 
     public int hashCode() {

src/share/classes/sun/security/pkcs11/wrapper/Functions.java

 /*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  */
 
 /* Copyright  (c) 2002 Graz University of Technology. All rights reserved.
@@ -444,22 +444,6 @@ public class Functions {
         return getId(objectClassIds, name);
     }
 
-    /**
-     * Check the given arrays for equalitiy. This method considers both arrays as
-     * equal, if both are <code>null</code> or both have the same length and
-     * contain exactly the same byte values.
-     *
-     * @param array1 The first array.
-     * @param array2 The second array.
-     * @return True, if both arrays are <code>null</code> or both have the same
-     *         length and contain exactly the same byte values. False, otherwise.
-     * @preconditions
-     * @postconditions
-     */
-    public static boolean equals(byte[] array1, byte[] array2) {
-        return Arrays.equals(array1, array2);
-    }
-
     /**
      * Check the given arrays for equalitiy. This method considers both arrays as
      * equal, if both are <code>null</code> or both have the same length and
@@ -472,7 +456,7 @@ public class Functions {
      * @preconditions
      * @postconditions
      */
-    public static boolean equals(char[] array1, char[] array2) {
+    private static boolean equals(char[] array1, char[] array2) {
         return Arrays.equals(array1, array2);
     }
 

src/share/classes/sun/security/pkcs12/PKCS12KeyStore.java

 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -2012,7 +2012,7 @@ public final class PKCS12KeyStore extends KeyStoreSpi {
                         "(MAC algorithm: " + m.getAlgorithm() + ")");
                 }
 
-                if (!Arrays.equals(macData.getDigest(), macResult)) {
+                if (!MessageDigest.isEqual(macData.getDigest(), macResult)) {
                    throw new SecurityException("Failed PKCS12" +
                                         " integrity checking");
                 }

src/share/classes/sun/security/rsa/RSASignature.java

@@ -27,7 +27,6 @@ package sun.security.rsa;
 
 import java.io.IOException;
 import java.nio.ByteBuffer;
-import java.util.Arrays;
 
 import java.security.*;
 import java.security.interfaces.*;
@@ -194,7 +193,7 @@ public abstract class RSASignature extends SignatureSpi {
             byte[] decrypted = RSACore.rsa(sigBytes, publicKey);
             byte[] unpadded = padding.unpad(decrypted);
             byte[] decodedDigest = decodeSignature(digestOID, unpadded);
-            return Arrays.equals(digest, decodedDigest);
+            return MessageDigest.isEqual(digest, decodedDigest);
         } catch (javax.crypto.BadPaddingException e) {
             // occurs if the app has used the wrong RSA public key
             // or if sigBytes is invalid

src/share/classes/sun/security/ssl/ClientHandshaker.java

@@ -485,7 +485,7 @@ final class ClientHandshaker extends Handshaker {
                         0, clientVerifyData.length);
                 System.arraycopy(serverVerifyData, 0, verifyData,
                         clientVerifyData.length, serverVerifyData.length);
-                if (!Arrays.equals(verifyData,
+                if (!MessageDigest.isEqual(verifyData,
                                 serverHelloRI.getRenegotiatedConnection())) {
                     fatalSE(Alerts.alert_handshake_failure,
                         "Incorrect verify data in ServerHello " +

src/share/classes/sun/security/ssl/HandshakeMessage.java

 /*
- * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1907,7 +1907,7 @@ static final class Finished extends HandshakeMessage {
      */
     boolean verify(HandshakeHash handshakeHash, int sender, SecretKey master) {
         byte[] myFinished = getFinished(handshakeHash, sender, master);
-        return Arrays.equals(myFinished, verifyData);
+        return MessageDigest.isEqual(myFinished, verifyData);
     }
 
     /*

src/share/classes/sun/security/ssl/ServerHandshaker.java

@@ -413,7 +413,7 @@ final class ServerHandshaker extends Handshaker {
                 }
 
                 // verify the client_verify_data value
-                if (!Arrays.equals(clientVerifyData,
+                if (!MessageDigest.isEqual(clientVerifyData,
                                 clientHelloRI.getRenegotiatedConnection())) {
                     fatalSE(Alerts.alert_handshake_failure,
                         "Incorrect verify data in ClientHello " +