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author | Kenny Root <kroot@google.com> | 2014-07-28 12:51:54 -0700 |
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committer | Kenny Root <kroot@google.com> | 2014-08-06 14:58:37 -0700 |
commit | d001700a15b8bd733ae344c1fc315b97c43c6590 (patch) | |
tree | 6c876ccbb5560aa6f9b7d42eeae00495568e5bc4 /bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java | |
parent | 234720ebe66540a53cff98b2448dddbc884bd09f (diff) | |
download | android_external_bouncycastle-d001700a15b8bd733ae344c1fc315b97c43c6590.tar.gz android_external_bouncycastle-d001700a15b8bd733ae344c1fc315b97c43c6590.tar.bz2 android_external_bouncycastle-d001700a15b8bd733ae344c1fc315b97c43c6590.zip |
Upgrade to 1.51
f98b02ab394044a3c237d2c7a2ee5ef65793e8e9 bcpkix-jdk15on-151.tar.gz
95e59ad2492598d729cfc559b480c3f172de5dc3 bcprov-jdk15on-151.tar.gz
Bug: 16578237
Change-Id: Ie4a3cd01b52b504a1098b00b413f1418273a6ef2
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java')
-rw-r--r-- | bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java new file mode 100644 index 0000000..ad733da --- /dev/null +++ b/bcprov/src/main/java/org/bouncycastle/math/ec/custom/sec/SecP224K1Curve.java @@ -0,0 +1,78 @@ +package org.bouncycastle.math.ec.custom.sec; + +import java.math.BigInteger; + +import org.bouncycastle.math.ec.ECConstants; +import org.bouncycastle.math.ec.ECCurve; +import org.bouncycastle.math.ec.ECFieldElement; +import org.bouncycastle.math.ec.ECPoint; +import org.bouncycastle.util.encoders.Hex; + +public class SecP224K1Curve extends ECCurve.AbstractFp +{ + public static final BigInteger q = new BigInteger(1, + Hex.decode("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFE56D")); + + private static final int SECP224K1_DEFAULT_COORDS = COORD_JACOBIAN; + + protected SecP224K1Point infinity; + + public SecP224K1Curve() + { + super(q); + + this.infinity = new SecP224K1Point(this, null, null); + + this.a = fromBigInteger(ECConstants.ZERO); + this.b = fromBigInteger(BigInteger.valueOf(5)); + this.order = new BigInteger(1, Hex.decode("010000000000000000000000000001DCE8D2EC6184CAF0A971769FB1F7")); + this.cofactor = BigInteger.valueOf(1); + this.coord = SECP224K1_DEFAULT_COORDS; + } + + protected ECCurve cloneCurve() + { + return new SecP224K1Curve(); + } + + public boolean supportsCoordinateSystem(int coord) + { + switch (coord) + { + case COORD_JACOBIAN: + return true; + default: + return false; + } + } + + public BigInteger getQ() + { + return q; + } + + public int getFieldSize() + { + return q.bitLength(); + } + + public ECFieldElement fromBigInteger(BigInteger x) + { + return new SecP224K1FieldElement(x); + } + + protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, boolean withCompression) + { + return new SecP224K1Point(this, x, y, withCompression); + } + + protected ECPoint createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs, boolean withCompression) + { + return new SecP224K1Point(this, x, y, zs, withCompression); + } + + public ECPoint getInfinity() + { + return infinity; + } +} |