FragmentEncoded.java
569bc23eeba8SHCS_url

FragmentEncoded.java
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			package crypto.elgamal.fragment;

			import org.bouncycastle.math.ec.ECCurve;
			import org.bouncycastle.math.ec.ECPoint;

			import crypto.elgamal.ECElGamal;

			public class FragmentEncoded {
			private byte[] encodedR;
			private byte[] encodedS;

			public FragmentEncoded(ECPoint R, ECPoint S) {
			this.encodedR = R.getEncoded();
			this.encodedS = S.getEncoded();
			}

			public FragmentEncoded(byte[] first, byte[] second) {
			this.encodedR = first;
			this.encodedS = second;
			}

			public FragmentEncoded(FragmentEncrypted frag) {
			this(frag.getR(), frag.getS());
			}

			public byte[] getEncodedR() {
			return encodedR;
			}

			public byte[] getEncodedS() {
			return encodedS;
			}

			public FragmentEncrypted decodeFragment(ECCurve curve) {
			ECPoint pR = curve.decodePoint(encodedR);
			ECPoint pS = curve.decodePoint(encodedS);
			return new FragmentEncrypted(pR, pS);
			}

			public FragmentEncrypted decodeFragment(ECElGamal ecceg) {
			return decodeFragment(ecceg.getECParams().getCurve());
			}

			/**
			* Size in byte of the data contained
			* @return
			*/
			public int sizeByte() {
			return encodedR.length + encodedS.length;
			}

			// TODO: add
			// TODO: scale
			}