--- a/.hgtags	Fri Feb 13 17:52:12 2015 +0000
+++ b/.hgtags	Thu Apr 09 21:30:59 2015 -0700
@@ -565,6 +565,7 @@
 f94dd20a1efaa3b0b4345992330dfe7cddae343b jdk7u79-b08
 4fca88d471f4020266574064fa65787083ab1274 jdk7u79-b09
 a476addbc2a4c88b34e5aacfe00bfc635f895c14 jdk7u79-b10
+fd0139b86bc186ebfc2715266b70da08b0af6132 jdk7u79-b11
 f33e6ea5f4832468dd86a8d48ef50479ce91111e jdk7u80-b06
 feb04280659bf05b567dc725ff53e2a2077bdbb7 jdk7u80-b07
 f1334857fa99e6472870986b6071f9405c29ced4 jdk7u80-b08

--- a/src/share/classes/com/sun/crypto/provider/RSACipher.java	Fri Feb 13 17:52:12 2015 +0000
+++ b/src/share/classes/com/sun/crypto/provider/RSACipher.java	Thu Apr 09 21:30:59 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, 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
@@ -351,7 +351,7 @@
             switch (mode) {
             case MODE_SIGN:
                 data = padding.pad(buffer, 0, bufOfs);
-                return RSACore.rsa(data, privateKey);
+                return RSACore.rsa(data, privateKey, true);
             case MODE_VERIFY:
                 byte[] verifyBuffer = RSACore.convert(buffer, 0, bufOfs);
                 data = RSACore.rsa(verifyBuffer, publicKey);
@@ -361,7 +361,7 @@
                 return RSACore.rsa(data, publicKey);
             case MODE_DECRYPT:
                 byte[] decryptBuffer = RSACore.convert(buffer, 0, bufOfs);
-                data = RSACore.rsa(decryptBuffer, privateKey);
+                data = RSACore.rsa(decryptBuffer, privateKey, false);
                 return padding.unpad(data);
             default:
                 throw new AssertionError("Internal error");

--- a/src/share/classes/sun/security/rsa/RSACore.java	Fri Feb 13 17:52:12 2015 +0000
+++ b/src/share/classes/sun/security/rsa/RSACore.java	Thu Apr 09 21:30:59 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, 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
@@ -102,12 +102,24 @@
 
     /**
      * Perform an RSA private key operation. Uses CRT if the key is a
-     * CRT key.
+     * CRT key with additional verification check after the signature
+     * is computed.
      */
+    @Deprecated
     public static byte[] rsa(byte[] msg, RSAPrivateKey key)
             throws BadPaddingException {
+        return rsa(msg, key, true);
+    }
+
+    /**
+     * Perform an RSA private key operation. Uses CRT if the key is a
+     * CRT key. Set 'verify' to true if this function is used for
+     * generating a signature.
+     */
+    public static byte[] rsa(byte[] msg, RSAPrivateKey key, boolean verify)
+            throws BadPaddingException {
         if (key instanceof RSAPrivateCrtKey) {
-            return crtCrypt(msg, (RSAPrivateCrtKey)key);
+            return crtCrypt(msg, (RSAPrivateCrtKey)key, verify);
         } else {
             return priCrypt(msg, key.getModulus(), key.getPrivateExponent());
         }
@@ -148,10 +160,11 @@
      * RSA private key operations with CRT. Algorithm and variable naming
      * are taken from PKCS#1 v2.1, section 5.1.2.
      */
-    private static byte[] crtCrypt(byte[] msg, RSAPrivateCrtKey key)
-            throws BadPaddingException {
+    private static byte[] crtCrypt(byte[] msg, RSAPrivateCrtKey key,
+            boolean verify) throws BadPaddingException {
         BigInteger n = key.getModulus();
-        BigInteger c = parseMsg(msg, n);
+        BigInteger c0 = parseMsg(msg, n);
+        BigInteger c = c0;
         BigInteger p = key.getPrimeP();
         BigInteger q = key.getPrimeQ();
         BigInteger dP = key.getPrimeExponentP();
@@ -184,6 +197,9 @@
         if (ENABLE_BLINDING) {
             m = m.multiply(brp.v).mod(n);
         }
+        if (verify && !c0.equals(m.modPow(e, n))) {
+            throw new BadPaddingException("RSA private key operation failed");
+        }
 
         return toByteArray(m, getByteLength(n));
     }

--- a/src/share/classes/sun/security/rsa/RSASignature.java	Fri Feb 13 17:52:12 2015 +0000
+++ b/src/share/classes/sun/security/rsa/RSASignature.java	Thu Apr 09 21:30:59 2015 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, 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
@@ -174,7 +174,7 @@
         try {
             byte[] encoded = encodeSignature(digestOID, digest);
             byte[] padded = padding.pad(encoded);
-            byte[] encrypted = RSACore.rsa(padded, privateKey);
+            byte[] encrypted = RSACore.rsa(padded, privateKey, true);
             return encrypted;
         } catch (GeneralSecurityException e) {
             throw new SignatureException("Could not sign data", e);