本文整理汇总了Java中org.spongycastle.math.ec.ECCurve.decodePoint方法的典型用法代码示例。如果您正苦于以下问题：Java ECCurve.decodePoint方法的具体用法？Java ECCurve.decodePoint怎么用？Java ECCurve.decodePoint使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.spongycastle.math.ec.ECCurve的用法示例。
在下文中一共展示了ECCurve.decodePoint方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: testPointCompression
import org.spongycastle.math.ec.ECCurve; //导入方法依赖的package包/类
@Test
public void testPointCompression() {
List<String> testPubKey = Arrays.asList(
"044f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa385b6b1b8ead809ca67454d9683fcf2ba03456d6fe2c4abe2b07f0fbdbb2f1c1",
"04ed83704c95d829046f1ac27806211132102c34e9ac7ffa1b71110658e5b9d1bdedc416f5cefc1db0625cd0c75de8192d2b592d7e3b00bcfb4a0e860d880fd1fc",
"042596957532fc37e40486b910802ff45eeaa924548c0e1c080ef804e523ec3ed3ed0a9004acf927666eee18b7f5e8ad72ff100a3bb710a577256fd7ec81eb1cb3");
ECDomainParameters ecp = ECKey.CURVE;
ECCurve curve = ecp.getCurve();
for (String testpkStr : testPubKey) {
byte[] testpk = Hex.decode(testpkStr);
BigInteger pubX = new BigInteger(1, Arrays.copyOfRange(testpk, 1, 33));
BigInteger pubY = new BigInteger(1, Arrays.copyOfRange(testpk, 33, 65));
ECPoint ptFlat = curve.createPoint(pubX, pubY, false); // 65
ECPoint ptComp = curve.createPoint(pubX, pubY, true); // 33
ECPoint uncompressed = HDUtils.toUncompressed(ptComp);
ECPoint recompressed = HDUtils.compressedCopy(uncompressed);
ECPoint orig = curve.decodePoint(testpk);
log.info("====================");
log.info("Flat: {}", asHexStr(ptFlat));
log.info("Compressed: {}", asHexStr(ptComp));
log.info("Uncompressed: {}", asHexStr(uncompressed));
log.info("Recompressed: {}", asHexStr(recompressed));
log.info("Original (uncomp): {}", asHexStr(orig));
// assert point equality:
Assert.assertEquals(ptFlat, uncompressed);
Assert.assertEquals(ptFlat, ptComp);
Assert.assertEquals(ptComp, recompressed);
Assert.assertEquals(ptComp, orig);
// assert bytes equality:
Assert.assertArrayEquals(ptFlat.getEncoded(), uncompressed.getEncoded());
Assert.assertArrayEquals(ptComp.getEncoded(), recompressed.getEncoded());
Assert.assertArrayEquals(ptFlat.getEncoded(), orig.getEncoded());
Assert.assertFalse(Arrays.equals(ptFlat.getEncoded(), ptComp.getEncoded()));
// todo: assert header byte
}
}
示例2: testPointCompression
import org.spongycastle.math.ec.ECCurve; //导入方法依赖的package包/类
@Test
public void testPointCompression() {
List<String> testPubKey = Arrays.asList(
"044f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa385b6b1b8ead809ca67454d9683fcf2ba03456d6fe2c4abe2b07f0fbdbb2f1c1",
"04ed83704c95d829046f1ac27806211132102c34e9ac7ffa1b71110658e5b9d1bdedc416f5cefc1db0625cd0c75de8192d2b592d7e3b00bcfb4a0e860d880fd1fc",
"042596957532fc37e40486b910802ff45eeaa924548c0e1c080ef804e523ec3ed3ed0a9004acf927666eee18b7f5e8ad72ff100a3bb710a577256fd7ec81eb1cb3");
ECDomainParameters ecp = ECKey.CURVE;
ECCurve curve = ecp.getCurve();
for (String testpkStr : testPubKey) {
byte[] testpk = Hex.decode(testpkStr);
ECPoint orig = curve.decodePoint(testpk);
ECPoint ptFlat = curve.decodePoint(orig.getEncoded(false));
ECPoint ptComp = curve.decodePoint(ptFlat.getEncoded(true));
ECPoint uncompressed = curve.decodePoint(ptComp.getEncoded(false));
ECPoint recompressed = curve.decodePoint(uncompressed.getEncoded(true));
log.info("====================");
log.info("Flat: {}", asHexStr(ptFlat));
log.info("Compressed: {}", asHexStr(ptComp));
log.info("Uncompressed: {}", asHexStr(uncompressed));
log.info("Recompressed: {}", asHexStr(recompressed));
log.info("Original (uncomp): {}", asHexStr(orig));
// assert point equality:
Assert.assertEquals(ptFlat, uncompressed);
Assert.assertEquals(ptFlat, ptComp);
Assert.assertEquals(ptComp, recompressed);
Assert.assertEquals(ptComp, orig);
// assert bytes equality:
Assert.assertArrayEquals(ptFlat.getEncoded(), uncompressed.getEncoded());
Assert.assertArrayEquals(ptComp.getEncoded(), recompressed.getEncoded());
Assert.assertArrayEquals(ptFlat.getEncoded(), orig.getEncoded());
Assert.assertFalse(Arrays.equals(ptFlat.getEncoded(), ptComp.getEncoded()));
// todo: assert header byte
}
}
示例3: testPointCompression
import org.spongycastle.math.ec.ECCurve; //导入方法依赖的package包/类
@Test
public void testPointCompression() {
List<String> testPubKey = Arrays.asList(
"044f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa385b6b1b8ead809ca67454d9683fcf2ba03456d6fe2c4abe2b07f0fbdbb2f1c1",
"04ed83704c95d829046f1ac27806211132102c34e9ac7ffa1b71110658e5b9d1bdedc416f5cefc1db0625cd0c75de8192d2b592d7e3b00bcfb4a0e860d880fd1fc",
"042596957532fc37e40486b910802ff45eeaa924548c0e1c080ef804e523ec3ed3ed0a9004acf927666eee18b7f5e8ad72ff100a3bb710a577256fd7ec81eb1cb3");
ECDomainParameters ecp = HDUtils.getEcParams();
ECCurve curve = ecp.getCurve();
for (String testpkStr : testPubKey) {
byte[] testpk = Hex.decode(testpkStr);
BigInteger pubX = HDUtils.toBigInteger(Arrays.copyOfRange(testpk, 1, 33));
BigInteger pubY = HDUtils.toBigInteger(Arrays.copyOfRange(testpk, 33, 65));
ECPoint ptFlat = curve.createPoint(pubX, pubY, false); // 65
ECPoint ptComp = curve.createPoint(pubX, pubY, true); // 33
ECPoint uncompressed = HDUtils.toUncompressed(ptComp);
ECPoint recompressed = HDUtils.compressedCopy(uncompressed);
ECPoint orig = curve.decodePoint(testpk);
log.info("====================");
log.info("Flat: {}", asHexStr(ptFlat));
log.info("Compressed: {}", asHexStr(ptComp));
log.info("Uncompressed: {}", asHexStr(uncompressed));
log.info("Recompressed: {}", asHexStr(recompressed));
log.info("Original (uncomp): {}", asHexStr(orig));
// assert point equality:
Assert.assertEquals(ptFlat, uncompressed);
Assert.assertEquals(ptFlat, ptComp);
Assert.assertEquals(ptComp, recompressed);
Assert.assertEquals(ptComp, orig);
// assert bytes equality:
Assert.assertArrayEquals(ptFlat.getEncoded(), uncompressed.getEncoded());
Assert.assertArrayEquals(ptComp.getEncoded(), recompressed.getEncoded());
Assert.assertArrayEquals(ptFlat.getEncoded(), orig.getEncoded());
Assert.assertFalse(Arrays.equals(ptFlat.getEncoded(), ptComp.getEncoded()));
// todo: assert header byte
}
}