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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

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 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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package java.security.spec;

import java.math.BigInteger;

import java.util.Arrays;

/**

 * This interface represents an elliptic curve (EC) finite field.

 * All specialized EC fields must implements this interface.

 *

 * @see ECFieldFp

 * @see ECFieldF2m

 *

 * @author Valerie Peng

 *

 * @since 1.5

 */

public interface ECField {

    /**

     * Returns the field size in bits. Note: For prime finite

     * field ECFieldFp, size of prime p in bits is returned.

     * For characteristic 2 finite field ECFieldF2m, m is returned.

     * @return the field size in bits.

     */

    int getFieldSize();

}