ECConstants.ECParms | Javadocs [I2P+]

java.lang.Object

net.i2p.crypto.ECConstants.ECParms

Enclosing class:: ECConstants

private static class ECConstants.ECParmsextends Object

The parameters of one elliptic curve.

Field Summary
Modifier and Type
Field
Description
private static final BigInteger
A
The A coefficient of the curve, minus three.
final String
bs
Coefficient b.
final String
gxs
Base point x coordinate (Gx).
final String
gys
Base point y coordinate (Gy).
private static final int
H
The cofactor of the curve, one.
final String
ns
Order n.
final String
ps
Prime modulus p.
final String
ss
Seed for the SHA-1 based generation algorithm.
Constructor Summary
Constructors
Constructor
Description
ECParms(String pss, String nss, String sss, String bss, String gxss, String gyss)
P and N in decimal, no spaces; Seed, B, Gx, Gy in hex, spaces allowed.
Method Summary
All Methods
Modifier and Type
Method
Description
ECParameterSpec
genSpec()
Generate the EC parameter spec.
Methods inherited from class Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- ps
  public final String ps
  Prime modulus p.
- ns
  public final String ns
  Order n.
- ss
  public final String ss
  Seed for the SHA-1 based generation algorithm.
- bs
  public final String bs
  Coefficient b.
- gxs
  public final String gxs
  Base point x coordinate (Gx).
- gys
  public final String gys
  Base point y coordinate (Gy).
- A
  private static final BigInteger A
  The A coefficient of the curve, minus three.
- H
  private static final int H
  The cofactor of the curve, one.
  See Also:
  Constant Field Values
Constructor Details
- ECParms
  public ECParms(String pss, String nss, String sss, String bss, String gxss, String gyss)
  P and N in decimal, no spaces; Seed, B, Gx, Gy in hex, spaces allowed.
  Parameters:
  pss - prime p, decimal
  nss - order n of the base point, decimal
  sss - curve seed, hex
  bss - curve parameter b, hex
  gxss - x coordinate of the base point, hex
  gyss - y coordinate of the base point, hex
Method Details
- genSpec
  public ECParameterSpec genSpec()
  Generate the EC parameter spec.
  Returns:
  the EC parameter spec