Package com.trilead.ssh2.crypto

Class PEMDecoder

java.lang.Object

com.trilead.ssh2.crypto.PEMDecoder

public class PEMDecoder
extends java.lang.Object

PEM Support.

Version:

$Id: PEMDecoder.java,v 1.2 2008/04/01 12:38:09 cplattne Exp $

Field Summary

Fields

Modifier and Type	Field	Description
private static int	PEM_DSA_PRIVATE_KEY
private static int	PEM_RSA_PRIVATE_KEY

Constructor Summary

Constructors

Constructor	Description
PEMDecoder()

Method Summary

Modifier and Type	Method	Description
static java.lang.Object	decode(char[] pem, java.lang.String password)
private static void	decryptPEM(PEMStructure ps, byte[] pw)
private static byte[]	generateKeyFromPasswordSaltWithMD5(byte[] password, byte[] salt, int keyLen)
private static byte[]	hexToByteArray(java.lang.String hex)
private static int	hexToInt(char c)
static boolean	isPEMEncrypted(PEMStructure ps)
private static PEMStructure	parsePEM(char[] pem)
private static byte[]	removePadding(byte[] buff, int blockSize)

Methods inherited from class java.lang.Object

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

Field Detail

PEM_RSA_PRIVATE_KEY

private static final int PEM_RSA_PRIVATE_KEY

See Also:

Constant Field Values

PEM_DSA_PRIVATE_KEY

private static final int PEM_DSA_PRIVATE_KEY

See Also:

Constant Field Values

Constructor Detail

PEMDecoder

public PEMDecoder()

Method Detail

hexToInt

private static final int hexToInt(char c)

hexToByteArray

private static byte[] hexToByteArray(java.lang.String hex)

generateKeyFromPasswordSaltWithMD5

private static byte[] generateKeyFromPasswordSaltWithMD5(byte[] password,
                                                         byte[] salt,
                                                         int keyLen)
                                                  throws java.io.IOException

Throws:

java.io.IOException

removePadding

private static byte[] removePadding(byte[] buff,
                                    int blockSize)
                             throws java.io.IOException

Throws:

java.io.IOException

parsePEM

private static final PEMStructure parsePEM(char[] pem)
                                    throws java.io.IOException

Throws:

java.io.IOException

decryptPEM

private static final void decryptPEM(PEMStructure ps,
                                     byte[] pw)
                              throws java.io.IOException

Throws:

java.io.IOException

isPEMEncrypted

public static final boolean isPEMEncrypted(PEMStructure ps)
                                    throws java.io.IOException

Throws:

java.io.IOException

decode

public static java.lang.Object decode(char[] pem,
                                      java.lang.String password)
                               throws java.io.IOException

Throws:

java.io.IOException