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Date added: 2011-01-08

Tools

Here you can find some small tools (formerly known as the 'Portal') that can help you solve the Net-Force (and maybe other) challenges.
There are no brute-force tools here because they are too CPU-expensive. Please use or write your own.

Below you can find a description of the tools.

» Description

ASCII shift
This tool shifts ASCII characters. The shifting of characters is often used in simple encryption schemes.
You can use a pre-defined characterset or define your own.

Base64
Encodes and decodes data with MIME base64. Base64 is commonly used to send binary data within an e-mail message. Some people use it as an encryption method which gives a false sense of security because it's definitely not safe. After encoding the size of the data will be about 33% increased.

Hex convert
This tool converts hex characters to ASCII and vice versa. Very handy :)

Binary convert
You can use this tool to convert ASCII characters to binary ones and zeros, and the other way around of course. Very basic, but you'll need it quite often.

DES crypt
Standard DES is a hashing algorithm with a two character salt. Used in Unix password files, Apache .htpasswd, etc.

MD5 hash
MD5 is a one-way 128-bit hashing algorithm. It is often used to ensure data integrity (i.e. two compared files are the same) or for password storage and authentication. It is not possible to reverse the MD5 and get the original text but it can be brute-forced.

SHA1 hash
SHA is a cryptographic message digest algorithm similar to the MD4 family of hash functions. It creates a 160-bit message digest that is safer but also slower to calculate than MD5.

New lines and spaces at the end and beginning of all input are automatically removed.