| Package | Description | 
|---|---|
| java.security.spec | Provides classes and interfaces for key specifications and algorithm
parameter specifications. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ECFieldF2mThis immutable class defines an elliptic curve (EC)
 characteristic 2 finite field. | 
| class  | ECFieldFpThis immutable class defines an elliptic curve (EC) prime
 finite field. | 
| Modifier and Type | Method and Description | 
|---|---|
| ECField | EllipticCurve. getField()Returns the finite field  fieldthat this
 elliptic curve is over. | 
| Constructor and Description | 
|---|
| EllipticCurve(ECField field,
             BigInteger a,
             BigInteger b)Creates an elliptic curve with the specified elliptic field
  fieldand the coefficientsaandb. | 
| EllipticCurve(ECField field,
             BigInteger a,
             BigInteger b,
             byte[] seed)Creates an elliptic curve with the specified elliptic field
  field, the coefficientsaandb, and theseedused for curve generation. | 
 Submit a bug or feature 
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
 Copyright © 1993, 2014, Oracle and/or its affiliates.  All rights reserved.