Package org.bouncycastle.crypto.util

Class PublicKeyFactory

java.lang.Object

org.bouncycastle.crypto.util.PublicKeyFactory

public class PublicKeyFactory
extends Object

Factory to create asymmetric public key parameters for asymmetric ciphers from range of ASN.1 encoded SubjectPublicKeyInfo objects.

Constructor Summary

Constructors

Constructor	Description
PublicKeyFactory()

Method Summary

Modifier and Type	Method	Description
static AsymmetricKeyParameter	createKey(byte[] keyInfoData)	Create a public key from a SubjectPublicKeyInfo encoding
static AsymmetricKeyParameter	createKey(InputStream inStr)	Create a public key from a SubjectPublicKeyInfo encoding read from a stream
static AsymmetricKeyParameter	createKey(SubjectPublicKeyInfo keyInfo)	Create a public key from the passed in SubjectPublicKeyInfo
static AsymmetricKeyParameter	createKey(SubjectPublicKeyInfo keyInfo, Object defaultParams)	Create a public key from the passed in SubjectPublicKeyInfo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PublicKeyFactory

public PublicKeyFactory()

Method Details

createKey

public static AsymmetricKeyParameter createKey(byte[] keyInfoData)
                                        throws IOException

Create a public key from a SubjectPublicKeyInfo encoding

Parameters:

keyInfoData - the SubjectPublicKeyInfo encoding

Returns:

the appropriate key parameter

Throws:

IOException - on an error decoding the key

createKey

public static AsymmetricKeyParameter createKey(InputStream inStr)
                                        throws IOException

Create a public key from a SubjectPublicKeyInfo encoding read from a stream

Parameters:

inStr - the stream to read the SubjectPublicKeyInfo encoding from

Returns:

the appropriate key parameter

Throws:

IOException - on an error decoding the key

createKey

public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo)
                                        throws IOException

Create a public key from the passed in SubjectPublicKeyInfo

Parameters:

keyInfo - the SubjectPublicKeyInfo containing the key data

Returns:

the appropriate key parameter

Throws:

IOException - on an error decoding the key

createKey

public static AsymmetricKeyParameter createKey(SubjectPublicKeyInfo keyInfo,
 Object defaultParams)
                                        throws IOException

Create a public key from the passed in SubjectPublicKeyInfo

Parameters:

keyInfo - the SubjectPublicKeyInfo containing the key data

defaultParams - default parameters that might be needed.

Returns:

the appropriate key parameter

Throws:

IOException - on an error decoding the key