ECPrivateKey (Bouncy Castle Library 1.60 API Specification)

java.lang.Object
- org.bouncycastle.asn1.ASN1Object
- - org.bouncycastle.asn1.sec.ECPrivateKey

All Implemented Interfaces:

ASN1Encodable, Encodable
```
public class ECPrivateKey
extends ASN1Object
```
the elliptic curve private key object from SEC 1

Constructor Summary

Constructors
Constructor	Description
`ECPrivateKey(int orderBitLength, java.math.BigInteger key)`	Base constructor.
`ECPrivateKey(int orderBitLength, java.math.BigInteger key, ASN1Encodable parameters)`
`ECPrivateKey(int orderBitLength, java.math.BigInteger key, DERBitString publicKey, ASN1Encodable parameters)`
`ECPrivateKey(java.math.BigInteger key)`	Deprecated. use constructor which takes orderBitLength to guarantee correct encoding.
`ECPrivateKey(java.math.BigInteger key, ASN1Encodable parameters)`	Deprecated. use constructor which takes orderBitLength to guarantee correct encoding.
`ECPrivateKey(java.math.BigInteger key, DERBitString publicKey, ASN1Encodable parameters)`	Deprecated. use constructor which takes orderBitLength to guarantee correct encoding.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static ECPrivateKey`	`getInstance(java.lang.Object obj)`
`java.math.BigInteger`	`getKey()`
`ASN1Primitive`	`getParameters()`
`DERBitString`	`getPublicKey()`
`ASN1Primitive`	`toASN1Primitive()`	ECPrivateKey ::= SEQUENCE { version INTEGER { ecPrivkeyVer1(1) } (ecPrivkeyVer1), privateKey OCTET STRING, parameters [0] Parameters OPTIONAL, publicKey [1] BIT STRING OPTIONAL }

Methods inherited from class org.bouncycastle.asn1.ASN1Object
equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode, toASN1Object

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

Constructor Detail

ECPrivateKey
```
public ECPrivateKey(java.math.BigInteger key)
```
Deprecated.
use constructor which takes orderBitLength to guarantee correct encoding.

ECPrivateKey
```
public ECPrivateKey(int orderBitLength,
                    java.math.BigInteger key)
```
Base constructor.

Parameters:

orderBitLength - the bitLength of the order of the curve.

key - the private key value.

ECPrivateKey

public ECPrivateKey(java.math.BigInteger key,
                    ASN1Encodable parameters)

Deprecated.

use constructor which takes orderBitLength to guarantee correct encoding.

ECPrivateKey

public ECPrivateKey(java.math.BigInteger key,
                    DERBitString publicKey,
                    ASN1Encodable parameters)

Deprecated.

use constructor which takes orderBitLength to guarantee correct encoding.

ECPrivateKey

public ECPrivateKey(int orderBitLength,
                    java.math.BigInteger key,
                    ASN1Encodable parameters)

ECPrivateKey

public ECPrivateKey(int orderBitLength,
                    java.math.BigInteger key,
                    DERBitString publicKey,
                    ASN1Encodable parameters)

Method Detail
- getInstance
```
public static ECPrivateKey getInstance(java.lang.Object obj)
```
- getKey
```
public java.math.BigInteger getKey()
```
- getPublicKey
```
public DERBitString getPublicKey()
```
- getParameters
```
public ASN1Primitive getParameters()
```
- toASN1Primitive
```
public ASN1Primitive toASN1Primitive()
```
  ECPrivateKey ::= SEQUENCE { version INTEGER { ecPrivkeyVer1(1) } (ecPrivkeyVer1), privateKey OCTET STRING, parameters [0] Parameters OPTIONAL, publicKey [1] BIT STRING OPTIONAL }
  
  Specified by:
  
  toASN1Primitive in interface ASN1Encodable
  
  Specified by:
  
  toASN1Primitive in class ASN1Object
  
  Returns:
  
  a primitive representation of this object.

Class ECPrivateKey

Constructor Summary

Method Summary

Methods inherited from class org.bouncycastle.asn1.ASN1Object

Methods inherited from class java.lang.Object

Constructor Detail

ECPrivateKey

ECPrivateKey

ECPrivateKey

ECPrivateKey

ECPrivateKey

ECPrivateKey

Method Detail

getInstance

getKey

getPublicKey

getParameters

toASN1Primitive