com.nimbusds.srp6.cli

Class SRP6Tool

java.lang.Object

com.nimbusds.srp6.cli.SRP6Tool

Direct Known Subclasses:

SRP6Client, SRP6Server

public abstract class SRP6Tool
extends Object

The base abstract class for the interactive command-line SRP-6a tools.

Author:

Vladimir Dzhuvinov

Field Summary

Fields

Modifier and Type	Field and Description
protected BufferedReader	console Buffered console input reader.

Constructor Summary

Constructors

Constructor and Description
SRP6Tool() Creates a new SRP-6a command-line tool.

Method Summary

Methods

Modifier and Type	Method and Description
SRP6CryptoParams	getConfig(String prefix) Interactive command-line session to select the SRP-6a crypto parameters.
BigInteger	readBigInteger() Reads a big integer (hex-encoded) from the command-line.
String	readInput() Reads user input from the command-line.
String	readInput(String def) Reads user input from the command-line.
abstract void	run() Runs the SRP-6a command-line tool.

Methods inherited from class java.lang.Object

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

Field Detail

console

protected BufferedReader console

Buffered console input reader.

Constructor Detail

SRP6Tool

public SRP6Tool()
         throws IOException

Creates a new SRP-6a command-line tool.

Throws:

IOException - On console I/O exception.

Method Detail

readInput

public String readInput(String def)
                 throws IOException

Reads user input from the command-line.

Parameters:

def - The default string to return if nothing was entered by the user, null if user input is mandatory.

Returns:

The input string (trimmed).

Throws:

IOException - On missing input or console I/O exception.

readInput

public String readInput()
                 throws IOException

Reads user input from the command-line.

Returns:

The input string (trimmed).

Throws:

IOException - On missing input or console I/O exception.

readBigInteger

public BigInteger readBigInteger()
                          throws IOException

Reads a big integer (hex-encoded) from the command-line.

Returns:

The input big integer.

Throws:

IOException - On missing input, bad hex format or console I/O exception.

getConfig

public SRP6CryptoParams getConfig(String prefix)
                           throws IOException

Interactive command-line session to select the SRP-6a crypto parameters.

Parameters:

prefix - String to prepend to the console output.

Returns:

SRP6CryptoParams The SRP-6a crypto parameters.

Throws:

IOException - On a console I/O exception.

run

public abstract void run()
                  throws IOException

Runs the SRP-6a command-line tool.

Throws:

IOException - On missing / bad input or console I/O exception.