Package net.schmizz.sshj.userauth.keyprovider

Class V1PuTTYSecretKeyDerivationFunction

java.lang.Object

net.schmizz.sshj.userauth.keyprovider.V1PuTTYSecretKeyDerivationFunction

All Implemented Interfaces:

PuTTYSecretKeyDerivationFunction

class V1PuTTYSecretKeyDerivationFunction
extends Object
implements PuTTYSecretKeyDerivationFunction

PuTTY Key Derivation Function supporting Version 1 and 2 Key files with historical SHA-1 key derivation

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	DIGEST_ALGORITHM
private static final String	SECRET_KEY_ALGORITHM

Constructor Summary

Constructors

Constructor	Description
V1PuTTYSecretKeyDerivationFunction()

Method Summary

Modifier and Type	Method	Description
SecretKey	deriveSecretKey(char[] passphrase)	Derive Secret Key from provided passphrase characters
private MessageDigest	getMessageDigest()

Methods inherited from class java.lang.Object

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

Field Details

SECRET_KEY_ALGORITHM

private static final String SECRET_KEY_ALGORITHM

See Also:

• Constant Field Values

DIGEST_ALGORITHM

private static final String DIGEST_ALGORITHM

See Also:

• Constant Field Values

Constructor Details

V1PuTTYSecretKeyDerivationFunction

V1PuTTYSecretKeyDerivationFunction()

Method Details

deriveSecretKey

public SecretKey deriveSecretKey(char[] passphrase)

Derive Secret Key from provided passphrase characters

Specified by:

deriveSecretKey in interface PuTTYSecretKeyDerivationFunction

Parameters:

passphrase - Passphrase characters required

Returns:

Derived Secret Key

getMessageDigest

private MessageDigest getMessageDigest()