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The FIPS 140-3 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-3 level 1. This jar contains JCE provider and low-level API for the BC-FJA version 2.0.0, FIPS Certificate #4743. Please see certificate for certified platform details.

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package org.bouncycastle.crypto.general;

import java.security.AccessController;
import java.security.PrivilegedAction;

import org.bouncycastle.crypto.SymmetricKey;
import org.bouncycastle.crypto.internal.ValidatedSymmetricKey;

class PrivilegedUtils
{
    static byte[] getKeyBytes(final SymmetricKey sKey)
    {
        return AccessController.doPrivileged(new PrivilegedAction()
        {
            public byte[] run()
            {
                return sKey.getKeyBytes();
            }
        });
    }

    static ValidatedSymmetricKey getValidatedKey(SymmetricKey key)
    {
        return new ValidatedSymmetricKey(key.getAlgorithm(), PrivilegedUtils.getKeyBytes(key));
    }
}