edu.vt.middleware.crypt.io
Class PrivateKeyCredentialReader

java.lang.Object
  edu.vt.middleware.crypt.io.AbstractEncodedCredentialReader<PrivateKey>
      edu.vt.middleware.crypt.io.PrivateKeyCredentialReader

All Implemented Interfaces:

CredentialReader<PrivateKey>

public class PrivateKeyCredentialReader
extends AbstractEncodedCredentialReader<PrivateKey>

Reads encoded private keys in PKCS#8 or OpenSSL "traditional" format. Both PEM and DER encodings are supported.

Version:

$Revision: 2744 $

Author:

Middleware Services

Field Summary

Fields inherited from class edu.vt.middleware.crypt.io.AbstractEncodedCredentialReader

DSA_ID, EC_ID, logger, RSA_ID

Constructor Summary

PrivateKeyCredentialReader()

Method Summary

protected PrivateKey	decode(byte[] encoded) Decodes an encoded representation of a credential into a corresponding object.
PrivateKey	read(File file, char[] password) Reads an encrypted private key in PKCS#8 or OpenSSL "traditional" format from a file into a PrivateKey object.
PrivateKey	read(InputStream in, char[] password) Reads an encrypted private key in PKCS#8 or OpenSSL "traditional" format from a file into a PrivateKey object.

Methods inherited from class edu.vt.middleware.crypt.io.AbstractEncodedCredentialReader

read, read

Methods inherited from class java.lang.Object

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

Constructor Detail

PrivateKeyCredentialReader

public PrivateKeyCredentialReader()

Method Detail

read

public PrivateKey read(File file,
                       char[] password)
                throws IOException,
                       CryptException

Reads an encrypted private key in PKCS#8 or OpenSSL "traditional" format from a file into a PrivateKey object. Both DER and PEM encoded keys are supported.

Parameters:

file - Private key file.

password - Password to decrypt private key.

Returns:

Private key containing data read from file.

Throws:

CryptException - On key format errors.

IOException - On key read errors.

read

public PrivateKey read(InputStream in,
                       char[] password)
                throws CryptException,
                       IOException

Reads an encrypted private key in PKCS#8 or OpenSSL "traditional" format from a file into a PrivateKey object. Both DER and PEM encoded keys are supported.

Parameters:

in - Input stream containing private key data.

password - Password to decrypt private key; MUST NOT be null.

Returns:

Private key containing data read from file.

Throws:

IOException - On IO errors.

CryptException - On cryptography errors such as invalid formats, unsupported ciphers, illegal settings.

decode

protected PrivateKey decode(byte[] encoded)
                     throws CryptException

Decodes an encoded representation of a credential into a corresponding object.

Specified by:

decode in class AbstractEncodedCredentialReader<PrivateKey>

Parameters:

encoded - Encoded representation of credential.

Returns:

Decoded credential.

Throws:

CryptException - On decoding errors.