GO PBKDF2

PBKDF2 (Password-Based Key Derivation Function 2) https://en.wikipedia.org/wiki/PBKDF2

This Implementation Based On Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0. https://godoc.org/golang.org/x/crypto/pbkdf2

USAGE

Use as a library

Install:

go get github.com/wuriyanto48/go-pbkdf2

Hash a Password

package main

import(
	"fmt"
	"crypto/sha1"
	"github.com/wuriyanto48/go-pbkdf2"
)

func main(){
	pass := p.NewPassword(sha1.New, 8, 32,15000)
	hashed := pass.HashPassword("123456")
	fmt.Println(hashed.CipherText)
	fmt.Println(hashed.Salt)
}

Verify a Password

package main

import(
	"fmt"
	"crypto/sha1"
	"github.com/wuriyanto48/go-pbkdf2"
)

func main(){
	pass := p.NewPassword(sha1.New, 8, 32,15000)
	hashed := pass.HashPassword("123456")
	fmt.Println(hashed.CipherText)
	fmt.Println(hashed.Salt)

	isValid := pass.VerifyPassword("123456", hashed.CipherText, hashed.Salt)

	fmt.Println(isValid)
}

Use as a binary

build

$ make build

show available options

$ ./go-pbkdf2 -h

Doc

func NewPassword
```
 func NewPassword(func() hash.Hash, saltSize int, keyLen int, iterations int) *Password
```
the drafted v2.1 specification allows use of all five FIPS Approved Hash Functions SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 for HMAC. To choose, you can pass the New functions from the different SHA packages to pbkdf2.Key.
func HashPassword
```
 func HashPassword("123456")
```
this function returning HashResult(struct) Which has two fields, CiphertText and Salt
func VerifyPassword
```
 func VerifyPassword("123456", hashed.CipherText, hashed.Salt) (bool)
```
this function returning true if your password is valid and false otherwise

Wuriyanto Musobar 2017