com.google.gdata.client.authn.oauth

Class RsaSha1PrivateKeyHelper

java.lang.Object

com.google.gdata.client.authn.oauth.RsaSha1PrivateKeyHelper

public class RsaSha1PrivateKeyHelper
extends Object

A collection of methods to load an RSA-SHA1 PrivateKey object from various sources. The key should be a Base-64 encoded private key string conforming to the PKCS #8 standard.

Method Summary

Methods

Modifier and Type	Method and Description
static PrivateKey	getPrivateKey(byte[] privateKeyBytes) Retrieves a PrivateKey from an array of bytes.
static PrivateKey	getPrivateKey(File file) Retrieves a PrivateKey from a file.
static PrivateKey	getPrivateKey(Reader privateKeyReader) Retrieves a PrivateKey from a reader.
static PrivateKey	getPrivateKey(String privateKeyString) Retrieves a PrivateKey from a string.
static PrivateKey	getPrivateKeyFromFilename(String filename) Retrieves a PrivateKey from a file.

Methods inherited from class java.lang.Object

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

Method Detail

getPrivateKeyFromFilename

public static PrivateKey getPrivateKeyFromFilename(String filename)
                                            throws Base64DecoderException,
                                                   InvalidKeySpecException,
                                                   IOException,
                                                   NoSuchAlgorithmException

Retrieves a PrivateKey from a file.

Parameters:

filename - The filename from which to load the private key.

Returns:

A PrivateKey object.

Throws:

Base64DecoderException

InvalidKeySpecException

IOException

NoSuchAlgorithmException

getPrivateKey

public static PrivateKey getPrivateKey(File file)
                                throws Base64DecoderException,
                                       InvalidKeySpecException,
                                       IOException,
                                       NoSuchAlgorithmException

Retrieves a PrivateKey from a file.

Parameters:

file - The File object from which to load the private key.

Returns:

A PrivateKey object.

Throws:

Base64DecoderException

InvalidKeySpecException

IOException

NoSuchAlgorithmException

getPrivateKey

public static PrivateKey getPrivateKey(Reader privateKeyReader)
                                throws Base64DecoderException,
                                       InvalidKeySpecException,
                                       IOException,
                                       NoSuchAlgorithmException

Retrieves a PrivateKey from a reader.

Parameters:

privateKeyReader - The Reader object from which to load the private key.

Returns:

A PrivateKey object.

Throws:

Base64DecoderException

InvalidKeySpecException

IOException

NoSuchAlgorithmException

getPrivateKey

public static PrivateKey getPrivateKey(String privateKeyString)
                                throws Base64DecoderException,
                                       InvalidKeySpecException,
                                       NoSuchAlgorithmException

Retrieves a PrivateKey from a string.

Parameters:

privateKeyString - The string from which to load the private key.

Returns:

A PrivateKey object.

Throws:

Base64DecoderException

InvalidKeySpecException

NoSuchAlgorithmException

getPrivateKey

public static PrivateKey getPrivateKey(byte[] privateKeyBytes)
                                throws InvalidKeySpecException,
                                       NoSuchAlgorithmException

Retrieves a PrivateKey from an array of bytes.

Parameters:

privateKeyBytes - The array of bytes from which to load the private key.

Returns:

A PrivateKey object.

Throws:

InvalidKeySpecException

NoSuchAlgorithmException