goblockc

README

GoBlockC

A block cipher implemented in Go

Using this repository

This repository can be used as a library or as a command line utility

Module

go get github.com/nart4hire/goblockc@latest

CLI

go install github.com/nart4hire/goblockc/cli@latest

Documentation

Overview

Copyright © 2024 Nathanael Santoso, Gede Prasidha Bhawarnawa, Felicia Sutandijo <business@nathancs.dev, 13520004@std.stei.itb.ac.id, feliciasutandijo@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Copyright © 2024 Nathanael Santoso, Gede Prasidha Bhawarnawa, Felicia Sutandijo <business@nathancs.dev, 13520004@std.stei.itb.ac.id, feliciasutandijo@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Index

• Constants
• func NewBlock(key []byte) (cipher.Block, error)
• func NewCFB(block cipher.Block, initVector []byte, mode Mode) (cipher.Stream, error)
• func NewCTR(block cipher.Block, initVector []byte) (cipher.Stream, error)
• type GoBlockC
  • func (gbc *GoBlockC) BlockSize() int
  • func (gbc *GoBlockC) Decrypt(dst, src []byte)
  • func (gbc *GoBlockC) Encrypt(dst, src []byte)
  • func (gbc *GoBlockC) Parse(block []byte, mode Mode) ([]byte, error)
• type Mode

Constants

const BlockSize = 16

Functions

func NewBlock

func NewBlock(key []byte) (cipher.Block, error)

func NewCFB

func NewCFB(block cipher.Block, initVector []byte, mode Mode) (cipher.Stream, error)

func NewCTR

func NewCTR(block cipher.Block, initVector []byte) (cipher.Stream, error)

Types

type GoBlockC

type GoBlockC struct {
	// contains filtered or unexported fields
}

func (*GoBlockC) BlockSize

func (gbc *GoBlockC) BlockSize() int

func (*GoBlockC) Decrypt

func (gbc *GoBlockC) Decrypt(dst, src []byte)

func (*GoBlockC) Encrypt

func (gbc *GoBlockC) Encrypt(dst, src []byte)

func (*GoBlockC) Parse

func (gbc *GoBlockC) Parse(block []byte, mode Mode) ([]byte, error)

type Mode

type Mode int

const (
	Encrypt Mode = iota
	Decrypt
)