org.bouncycastle.math.ec.ECCurve.importPoint()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.bouncycastle.math.ec.ECCurve.importPoint()方法的一些代码示例,展示了ECCurve.importPoint()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ECCurve.importPoint()方法的具体详情如下:
包路径:org.bouncycastle.math.ec.ECCurve
类名称:ECCurve
方法名:importPoint

ECCurve.importPoint介绍

暂无

代码示例

代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on

public static ECPoint importPoint(ECCurve c, ECPoint p)
{
  ECCurve cp = p.getCurve();
  if (!c.equals(cp))
  {
    throw new IllegalArgumentException("Point must be on the same curve");
  }
  return c.importPoint(p);
}

代码示例来源:origin: redfish64/TinyTravelTracker

public static ECPoint importPoint(ECCurve c, ECPoint p)
{
  ECCurve cp = p.getCurve();
  if (!c.equals(cp))
  {
    throw new IllegalArgumentException("Point must be on the same curve");
  }
  return c.importPoint(p);
}

代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on

protected ECPoint multiplyPositive(ECPoint p, BigInteger k)
{
  ECCurve curveOrig = p.getCurve();
  ECCurve curveAdd = configureCurve(curveOrig, additionCoord);
  ECCurve curveDouble = configureCurve(curveOrig, doublingCoord);
  int[] naf = WNafUtil.generateCompactNaf(k);
  ECPoint Ra = curveAdd.getInfinity();
  ECPoint Td = curveDouble.importPoint(p);
  int zeroes = 0;
  for (int i = 0; i < naf.length; ++i)
  {
    int ni = naf[i];
    int digit = ni >> 16;
    zeroes += ni & 0xFFFF;
    Td = Td.timesPow2(zeroes);
    ECPoint Tj = curveAdd.importPoint(Td);
    if (digit < 0)
    {
      Tj = Tj.negate();
    }
    Ra = Ra.add(Tj);
    zeroes = 1;
  }
  return curveOrig.importPoint(Ra);
}

代码示例来源:origin: redfish64/TinyTravelTracker

protected ECPoint multiplyPositive(ECPoint p, BigInteger k)
{
  ECCurve curveOrig = p.getCurve();
  ECCurve curveAdd = configureCurve(curveOrig, additionCoord);
  ECCurve curveDouble = configureCurve(curveOrig, doublingCoord);
  int[] naf = WNafUtil.generateCompactNaf(k);
  ECPoint Ra = curveAdd.getInfinity();
  ECPoint Td = curveDouble.importPoint(p);
  int zeroes = 0;
  for (int i = 0; i < naf.length; ++i)
  {
    int ni = naf[i];
    int digit = ni >> 16;
    zeroes += ni & 0xFFFF;
    Td = Td.timesPow2(zeroes);
    ECPoint Tj = curveAdd.importPoint(Td);
    if (digit < 0)
    {
      Tj = Tj.negate();
    }
    Ra = Ra.add(Tj);
    zeroes = 1;
  }
  return curveOrig.importPoint(Ra);
}

代码示例来源:origin: org.bouncycastle/bcprov-debug-jdk15on

ECPoint[] points = new ECPoint[]{ this, c1.importPoint(p2) };

代码示例来源:origin: redfish64/TinyTravelTracker

ECPoint[] points = new ECPoint[]{ this, c1.importPoint(p2) };

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