V3PuTTYSecretKeyDerivationFunction

java.lang.Object
- net.schmizz.sshj.userauth.keyprovider.V3PuTTYSecretKeyDerivationFunction

All Implemented Interfaces:

PuTTYSecretKeyDerivationFunction
```
class V3PuTTYSecretKeyDerivationFunction
extends java.lang.Object
implements PuTTYSecretKeyDerivationFunction
```
PuTTY Key Derivation Function supporting Version 3 Key files with Argon2 Key Derivation using Bouncy Castle

Field Summary

Fields
Modifier and Type	Field	Description
`private java.util.Map<java.lang.String,java.lang.String>`	`headers`
`private static int`	`KEY_LENGTH`
`private static java.lang.String`	`SECRET_KEY_ALGORITHM`

Constructor Summary

Constructors
Constructor Description

V3PuTTYSecretKeyDerivationFunction(java.util.Map<java.lang.String,java.lang.String> headers)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`javax.crypto.SecretKey`	`deriveSecretKey(char[] passphrase)`	Derive Secret Key from provided passphrase characters
`private int`	`getAlgorithmType()`
`private org.bouncycastle.crypto.params.Argon2Parameters`	`getParameters()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SECRET_KEY_ALGORITHM

private static final java.lang.String SECRET_KEY_ALGORITHM

See Also:: Constant Field Values

KEY_LENGTH
```
private static final int KEY_LENGTH
```
See Also:

Constant Field Values

headers

private final java.util.Map<java.lang.String,java.lang.String> headers

Constructor Detail

V3PuTTYSecretKeyDerivationFunction

V3PuTTYSecretKeyDerivationFunction(java.util.Map<java.lang.String,java.lang.String> headers)

Method Detail
- deriveSecretKey
```
public javax.crypto.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
- getParameters
```
private org.bouncycastle.crypto.params.Argon2Parameters getParameters()
```
- getAlgorithmType
```
private int getAlgorithmType()
```