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## org.bouncycastle.math.ec
Class ECCurve.Fp

    java.lang.Object
      org.bouncycastle.math.ec.ECCurve
          org.bouncycastle.math.ec.ECCurve.AbstractFp
              org.bouncycastle.math.ec.ECCurve.Fp

Enclosing class:
  ECCurve

public static class ECCurve.Fp
extends ECCurve.AbstractFp

Elliptic curve over Fp

Nested Class Summary

Nested classes inherited from class org.bouncycastle.math.ec.ECCurve
`ECCurve.AbstractF2m, ECCurve.AbstractFp, ECCurve.Config, ECCurve.F2m, ECCurve.Fp`

Field Summary

Fields inherited from class org.bouncycastle.math.ec.ECCurve
`a, b, cofactor, coord, COORD_AFFINE, COORD_HOMOGENEOUS, COORD_JACOBIAN, COORD_JACOBIAN_CHUDNOVSKY, COORD_JACOBIAN_MODIFIED, COORD_LAMBDA_AFFINE, COORD_LAMBDA_PROJECTIVE, COORD_SKEWED, endomorphism, field, multiplier, order`

Constructor Summary
`` | `ECCurve.Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b)` Deprecated. use constructor taking order/cofactor
`` | `ECCurve.Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b, java.math.BigInteger order, java.math.BigInteger cofactor)`
`` | `ECCurve.Fp(java.math.BigInteger q, java.math.BigInteger a, java.math.BigInteger b, java.math.BigInteger order, java.math.BigInteger cofactor, boolean isInternal)`
`protected` | `ECCurve.Fp(java.math.BigInteger q, java.math.BigInteger r, ECFieldElement a, ECFieldElement b, java.math.BigInteger order, java.math.BigInteger cofactor)`

Method Summary
`protected ECCurve` | `cloneCurve()`
`protected ECPoint` | `createRawPoint(ECFieldElement x, ECFieldElement y)`
`protected ECPoint` | `createRawPoint(ECFieldElement x, ECFieldElement y, ECFieldElement[] zs)`
`ECFieldElement` | `fromBigInteger(java.math.BigInteger x)`
`int` | `getFieldSize()`
`ECPoint` | `getInfinity()`
`java.math.BigInteger` | `getQ()`
`ECPoint` | `importPoint(ECPoint p)`
`boolean` | `supportsCoordinateSystem(int coord)`

Methods inherited from class org.bouncycastle.math.ec.ECCurve.AbstractFp
`decompressPoint, isValidFieldElement, randomFieldElement, randomFieldElementMult`

Methods inherited from class org.bouncycastle.math.ec.ECCurve
`checkPoint, checkPoints, checkPoints, configure, createCacheSafeLookupTable, createDefaultMultiplier, createPoint, decodePoint, equals, equals, getA, getAffinePointEncodingLength, getAllCoordinateSystems, getB, getCofactor, getCoordinateSystem, getEndomorphism, getField, getFieldElementEncodingLength, getMultiplier, getOrder, getPreCompInfo, hashCode, normalizeAll, normalizeAll, precompute, validatePoint`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ECCurve.Fp

    public ECCurve.Fp(java.math.BigInteger q,
                      java.math.BigInteger a,
                      java.math.BigInteger b)

  Deprecated. use constructor taking order/cofactor

### ECCurve.Fp

    public ECCurve.Fp(java.math.BigInteger q,
                      java.math.BigInteger a,
                      java.math.BigInteger b,
                      java.math.BigInteger order,
                      java.math.BigInteger cofactor)

### ECCurve.Fp

    public ECCurve.Fp(java.math.BigInteger q,
                      java.math.BigInteger a,
                      java.math.BigInteger b,
                      java.math.BigInteger order,
                      java.math.BigInteger cofactor,
                      boolean isInternal)

### ECCurve.Fp

    protected ECCurve.Fp(java.math.BigInteger q,
                         java.math.BigInteger r,
                         ECFieldElement a,
                         ECFieldElement b,
                         java.math.BigInteger order,
                         java.math.BigInteger cofactor)

Method Detail

### cloneCurve

    protected ECCurve cloneCurve()

  Specified by:
    `cloneCurve` in class `ECCurve`

### supportsCoordinateSystem

    public boolean supportsCoordinateSystem(int coord)

  Overrides:
    `supportsCoordinateSystem` in class `ECCurve`

### getQ

    public java.math.BigInteger getQ()

  Overrides:
    `getQ` in class `ECCurve.AbstractFp`

### getFieldSize

    public int getFieldSize()

  Specified by:
    `getFieldSize` in class `ECCurve`

### fromBigInteger

    public ECFieldElement fromBigInteger(java.math.BigInteger x)

  Specified by:
    `fromBigInteger` in class `ECCurve`

### createRawPoint

    protected ECPoint createRawPoint(ECFieldElement x,
                                     ECFieldElement y)

  Specified by:
    `createRawPoint` in class `ECCurve`

### createRawPoint

    protected ECPoint createRawPoint(ECFieldElement x,
                                     ECFieldElement y,
                                     ECFieldElement[] zs)

  Specified by:
    `createRawPoint` in class `ECCurve`

### importPoint

    public ECPoint importPoint(ECPoint p)

  Overrides:
    `importPoint` in class `ECCurve`

### getInfinity

    public ECPoint getInfinity()

  Specified by:
    `getInfinity` in class `ECCurve`

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