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Java > Open Source Codes > java > security > spec > ECField


1 /*
2  * @(#)ECField.java 1.4 03/12/19
3  *
4  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6  */
7 package java.security.spec;
8
9 import java.math.BigInteger JavaDoc;
10 import java.util.Arrays JavaDoc;
11
12 /**
13  * This interface represents an elliptic curve (EC) finite field.
14  * All specialized EC fields must implements this interface.
15  *
16  * @see ECFieldFp
17  * @see ECFieldF2m
18  *
19  * @author Valerie Peng
20  * @version 1.4, 12/19/03
21  *
22  * @since 1.5
23  */
24 public interface ECField {
25     /**
26      * Returns the field size in bits. Note: For prime finite
27      * field ECFieldFp, size of prime p in bits is returned.
28      * For characteristic 2 finite field ECFieldF2m, m is returned.
29      * @return the field size in bits.
30      */
31     int getFieldSize();
32 }
33
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