本文整理汇总了Java中org.bouncycastle.math.raw.Nat224类的典型用法代码示例。如果您正苦于以下问题：Java Nat224类的具体用法？Java Nat224怎么用？Java Nat224使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
Nat224类属于org.bouncycastle.math.raw包，在下文中一共展示了Nat224类的15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: isSquare
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
private static boolean isSquare(int[] x)
{
int[] t1 = Nat224.create();
int[] t2 = Nat224.create();
Nat224.copy(x, t1);
for (int i = 0; i < 7; ++i)
{
Nat224.copy(t1, t2);
SecP224R1Field.squareN(t1, 1 << i, t1);
SecP224R1Field.multiply(t1, t2, t1);
}
SecP224R1Field.squareN(t1, 95, t1);
return Nat224.isOne(t1);
}
示例2: RP
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
private static void RP(int[] nc, int[] d1, int[] e1, int[] f1, int[] t)
{
Nat224.copy(nc, f1);
int[] d0 = Nat224.create();
int[] e0 = Nat224.create();
for (int i = 0; i < 7; ++i)
{
Nat224.copy(d1, d0);
Nat224.copy(e1, e0);
int j = 1 << i;
while (--j >= 0)
{
RS(d1, e1, f1, t);
}
RM(nc, d0, e0, d1, e1, f1, t);
}
}
示例3: half
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void half(int[] x, int[] z)
{
if ((x[0] & 1) == 0)
{
Nat.shiftDownBit(7, x, 0, z);
}
else
{
int c = Nat224.add(x, P, z);
Nat.shiftDownBit(7, z, c);
}
}
示例4: squareN
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void squareN(int[] x, int n, int[] z)
{
// assert n > 0;
int[] tt = Nat224.createExt();
Nat224.square(x, tt);
reduce(tt, z);
while (--n > 0)
{
Nat224.square(z, tt);
reduce(tt, z);
}
}
示例5: divide
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public ECFieldElement divide(ECFieldElement b)
{
// return multiply(b.invert());
int[] z = Nat224.create();
Mod.invert(SecP224K1Field.P, ((SecP224K1FieldElement)b).x, z);
SecP224K1Field.multiply(z, x, z);
return new SecP224K1FieldElement(z);
}
示例6: invert
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public ECFieldElement invert()
{
// return new SecP224K1FieldElement(toBigInteger().modInverse(Q));
int[] z = Nat224.create();
Mod.invert(SecP224K1Field.P, x, z);
return new SecP224K1FieldElement(z);
}
示例7: equals
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public boolean equals(Object other)
{
if (other == this)
{
return true;
}
if (!(other instanceof SecP224K1FieldElement))
{
return false;
}
SecP224K1FieldElement o = (SecP224K1FieldElement)other;
return Nat224.eq(x, o.x);
}
示例8: add
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void add(int[] x, int[] y, int[] z)
{
int c = Nat224.add(x, y, z);
if (c != 0 || (z[6] == P6 && Nat224.gte(z, P)))
{
addPInvTo(z);
}
}
示例9: addOne
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void addOne(int[] x, int[] z)
{
int c = Nat.inc(7, x, z);
if (c != 0 || (z[6] == P6 && Nat224.gte(z, P)))
{
addPInvTo(z);
}
}
示例10: fromBigInteger
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static int[] fromBigInteger(BigInteger x)
{
int[] z = Nat224.fromBigInteger(x);
if (z[6] == P6 && Nat224.gte(z, P))
{
Nat224.subFrom(P, z);
}
return z;
}
示例11: multiplyAddToExt
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void multiplyAddToExt(int[] x, int[] y, int[] zz)
{
int c = Nat224.mulAddTo(x, y, zz);
if (c != 0 || (zz[13] == PExt13 && Nat.gte(14, zz, PExt)))
{
if (Nat.addTo(PExtInv.length, PExtInv, zz) != 0)
{
Nat.incAt(14, zz, PExtInv.length);
}
}
}
示例12: negate
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void negate(int[] x, int[] z)
{
if (Nat224.isZero(x))
{
Nat224.zero(z);
}
else
{
Nat224.sub(P, x, z);
}
}
示例13: reduce32
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void reduce32(int x, int[] z)
{
long cc = 0;
if (x != 0)
{
long xx07 = x & M;
cc += (z[0] & M) - xx07;
z[0] = (int)cc;
cc >>= 32;
if (cc != 0)
{
cc += (z[1] & M);
z[1] = (int)cc;
cc >>= 32;
cc += (z[2] & M);
z[2] = (int)cc;
cc >>= 32;
}
cc += (z[3] & M) + xx07;
z[3] = (int)cc;
cc >>= 32;
// assert cc == 0 || cc == 1;
}
if ((cc != 0 && Nat.incAt(7, z, 4) != 0)
|| (z[6] == P6 && Nat224.gte(z, P)))
{
addPInvTo(z);
}
}
示例14: subtract
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void subtract(int[] x, int[] y, int[] z)
{
int c = Nat224.sub(x, y, z);
if (c != 0)
{
subPInvFrom(z);
}
}
示例15: twice
import org.bouncycastle.math.raw.Nat224; //导入依赖的package包/类
public static void twice(int[] x, int[] z)
{
int c = Nat.shiftUpBit(7, x, 0, z);
if (c != 0 || (z[6] == P6 && Nat224.gte(z, P)))
{
addPInvTo(z);
}
}