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https://github.com/luzifer/password

Fast and secure password generator and library
https://github.com/luzifer/password

generator golang password

Last synced: 9 days ago
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Fast and secure password generator and library

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![](https://badges.fyi/github/latest-release/Luzifer/password)

# Luzifer / password

The intention of this project is to provide a fast and secure way to generate one or more passwords using a CLI tool, a HTTPs page or a HTTPs API.

For the security of the passwords there are several assertions:

- The password may not contain pattern found on the keyboard or in alphabet
- The password must have 3 or 4 different character groups in it depending on whether special characters are requested
- The password may not have repeating characters
- The API generator does not transmit or store any data about the generated passwords

## Usage

### Via Web

My service [Secure Password](https://passwd.fyi/) is powered by this app and will provide you with secure passwords.

### Via CLI

1. Download the compiled binary from [Github releases](https://github.com/Luzifer/password/releases/latest)
2. Generate your password:

```console
$ ./password get -h
generate and return a secure random password

Usage:
password get [flags]

Flags:
-d, --date prepend current date to XKCD style passwords (default true)
-h, --help help for get
-j, --json return output in JSON format
-l, --length int length of the generated password (default 20)
-n, --number int number of passwords to generate (default 1)
-s, --special use special characters in your password
-x, --xkcd use XKCD style password

$ ./password get
Vzupi4IaPbXmSQEX9A4e

$ ./password get -l 32 -s
}d.sks(4J$2G]x52=k)WAN{M68LxEg}%

$ ./password get -l 4 -x
20190101.SeashellSupporterTumbleweedGeneral
```

### Via API

- `/v1/getPassword` - Retrieve a password from the API
- `date=true` - Set to `false` no to prepend the date to XKCD-style passwords
- `length=20` - Specify the length of the password to generate (the API only supports values between 4 and 128 - for more characters use the CLI)
- `special=false` - Set to `true` to enable special characters
- `xkcd=false` - Set to `true` to enable XKCD-style passwords

#### Self-Hosted

1. Download the compiled binary from [Github releases](https://github.com/Luzifer/password/releases/latest)
2. Run the API server:

```console
$ ./password serve -h
start an API server to request passwords

Usage:
password serve [flags]

Flags:
-h, --help help for serve
--port int port to listen on (default 3000)
```
3. Request your password using `http://localhost:3000/v1/getPassword?length=20&special=true`

#### Hosted

```console
$ curl https://passwd.fyi/v1/getPassword?length=20&special=true
0M4L-1[lT:@2&7,p,o-;
```

#### As library in your own code

```go
package main

import pwd "github.com/Luzifer/password/v2/lib"

func getPassword() (string, error) {
return pwd.NewSecurePassword().GeneratePassword(16, false)
}
```

## Benchmark / Test

Tests and benchmark are run by Travis CI at every push to this repository:

[![Build Status](https://travis-ci.org/Luzifer/password.svg)](https://travis-ci.org/Luzifer/password)

```console
$ go test -bench .
goos: linux
goarch: amd64
pkg: github.com/Luzifer/password/lib
BenchmarkGeneratePasswords8Char-8 20000 65469 ns/op
BenchmarkGeneratePasswords8CharSpecial-8 20000 97659 ns/op
BenchmarkGeneratePasswords16Char-8 20000 84215 ns/op
BenchmarkGeneratePasswords16CharSpecial-8 20000 92885 ns/op
BenchmarkGeneratePasswords32Char-8 10000 152436 ns/op
BenchmarkGeneratePasswords32CharSpecial-8 10000 144352 ns/op
BenchmarkGeneratePasswords128Char-8 1000 2199011 ns/op
BenchmarkGeneratePasswords128CharSpecial-8 2000 1089225 ns/op
BenchmarkGeneratePasswords4Words-8 200000 9472 ns/op
BenchmarkGeneratePasswords20Words-8 100000 14098 ns/op
PASS
ok github.com/Luzifer/password/lib 21.624s
```