func getSaltExample(secret, sa []byte, iter int, f func() hash.Hash, size int) ([]byte, error) {
mySalt, err := salt.NewSalt(secret, minSecretLen, maxSecretLen, sa)
if err != nil {
return nil, err
}
mySalt.Iterations = iter
mySalt.OutputLen = size
mySalt.Digest = f
return mySalt.Generate(minSecretLen, maxSecretLen)
}
func getRandomSaltExample(secret []byte, saltLen int, iter int, f func() hash.Hash, size int) ([]byte, []byte, error) {
salting, _ := salt.GetRandomSalt(saltLen)
mySalt, err := salt.NewSalt(secret, minSecretLen, maxSecretLen, salting)
if err != nil {
return nil, nil, err
}
mySalt.Iterations = iter
mySalt.OutputLen = size
mySalt.Digest = f
res, err := mySalt.Generate(minSecretLen, maxSecretLen)
if err != nil {
return nil, nil, err
} else {
return res, salting, nil
}
}
// This example shows how to generate a randomly salted secret contain 8 characters, using hash function of md5 and 3 iterations of calculations
func ExampleGetRandomSalt() {
iter := 3
f := md5.New
size := 8
saltLen := 32
randSalt, _ := salt.GetRandomSalt(saltLen)
mySalt, err := salt.NewSalt(BasicSecret, minSecretLen, maxSecretLen, randSalt)
if err != nil {
fmt.Println("Error while creating new salt structure:", err)
}
mySalt.Iterations = iter
mySalt.OutputLen = size
mySalt.Digest = f
res, err := mySalt.Generate(minSecretLen, maxSecretLen)
if err != nil {
fmt.Println("GetRandomSaltExample failed, error:", err)
} else {
fmt.Println("* Salted password of secret key:", string(BasicSecret), ",random salt length:", saltLen, randSalt,
"with", iter, "iterations, output password length:", size, "bytes and MD5 function is:", res)
}
}