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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.internal.params;

import org.bouncycastle.util.Arrays;

public class KeyParameterImpl
    implements KeyParameter
{
    private byte[]  key;

    public KeyParameterImpl(
        byte[] key)
    {
        this.key = key;
    }

    public KeyParameterImpl(byte[] keyvalue, int offSet, int length)
    {
        this.key = Arrays.copyOfRange(keyvalue, offSet, offSet + length);
    }

    public byte[] getKey()
    {
        return key;
    }
}