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Description

This package makes random passwords with fast logic described in this link below.

http://stackoverflow.com/questions/22892120/how-to-generate-a-random-string-of-a-fixed-length-in-golang

The original logic is NOT goroutine safe because it shares rand.Source and the Int63() calls conflict. The logic in this package is using sync.Mutex to solve this.

Programming language: Go
License: MIT License
Tags: Generate     Utilities     Miscellaneous    

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RandomString -- Library to make passwords without misleading letters

CircleCI Coverage Status

This package makes random passwords with fast logic described in this link.

The original logic is NOT goroutine safe because it shares rand.Source and the Int63() calls conflict. The logic in this package is using sync.Mutex to solve this.

package main

import (
  "fmt"

  "github.com/delphinus/random-string"
)

func main() {
  pass := randomString.Generate(8);
  fmt.Printf("simple password: %s\n", pass)
    // simple password: JEVGqkiW
}

Benchmark

go version
go version go1.8.1 darwin/amd64
go test -bench . -benchmem
BenchmarkRandomString/Runes-8              50000             35584 ns/op            1312 B/op          2 allocs/op
BenchmarkRandomString/Bytes-8              50000             35547 ns/op             512 B/op          2 allocs/op
BenchmarkRandomString/Remainder-8          50000             34095 ns/op             512 B/op          2 allocs/op
BenchmarkRandomString/Mask-8               50000             35362 ns/op             512 B/op          2 allocs/op
BenchmarkRandomString/MaskImproved-8      300000              4710 ns/op             512 B/op          2 allocs/op
BenchmarkRandomString/MaskSource-8        500000              3873 ns/op             512 B/op          2 allocs/op
PASS
ok      github.com/delphinus/random-string      11.885s