# UUID package for Go language

[![Build Status](https://travis-ci.org/satori/go.uuid.png?branch=master)](https://travis-ci.org/satori/go.uuid)
[![GoDoc](http://godoc.org/github.com/satori/go.uuid?status.png)](http://godoc.org/github.com/satori/go.uuid)

This package provides implementation of Universally Unique Identifier (UUID).

With 100% test coverage and benchmarks out of box.

Supported versions:
* Version 1, based on timestamp and MAC address (RFC 4122)
* Version 2, based on timestamp, MAC address and POSIX UID/GID (DCE 1.1)
* Version 3, based on MD5 hashing (RFC 4122)
* Version 4, based on random numbers (RFC 4122)
* Version 5, based on SHA-1 hashing (RFC 4122)

## Installation

Use the `go` command:

	$ go get github.com/satori/go.uuid

## Requirements

UUID package requires any stable version of Go Programming Language.

It is tested against following versions of Go: 1.0, 1.1, 1.2

## Example

```go
package main

import (
  "fmt"
  "github.com/satori/go.uuid"
)

func main() {
  // Creating UUID Version 4
  u := uuid.NewV4()
  fmt.Printf("UUIDv4: %s\n", u)
}
```

## Documentation

[Documentation](http://godoc.org/github.com/satori/go.uuid) is hosted at GoDoc project.

## Links
* [RFC 4122](http://tools.ietf.org/html/rfc4122)
* [DCE 1.1: Authentication and Security Services](http://pubs.opengroup.org/onlinepubs/9696989899/chap5.htm#tagcjh_08_02_01_01)

## Copyright

Copyright (C) 2013 by Maxim Bublis <b@codemonkey.ru>.

UUID package released under MIT License.
See [LICENSE](https://github.com/satori/go.uuid/blob/master/LICENSE) for details.