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Go password generation

Grotesque Gibbon answered on June 7, 2023 Popularity 4/10 Helpfulness 2/10

answer Go password generation

Go password generation

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rand.Seed(time.Now().UnixNano())

// Password without rules
const upletters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
const lowletters = "abcdefghijklmnopqrstuvwxyz"
const digits = "0123456789"
const specialchars = "~=+%^*()[]{}!@#$?|"
const allchars = upletters + lowletters + digits + specialchars

var sb strings.Builder
length := 10
for i := 0; i < length; i++ {
sb.WriteRune(rune(allchars[rand.Intn(len(allchars))]))
}
fmt.Println("String Result:", sb.String())

// Password generation with rules
buf := make([]byte, length) // make a byte slice of length,
// byte is an alias for uint8 which can represent ASCII characters
buf[0] = digits[rand.Intn(len(digits))]
buf[1] = specialchars[rand.Intn(len(specialchars))]
buf[2] = upletters[rand.Intn(len(upletters))]
buf[3] = lowletters[rand.Intn(len(lowletters))]
// starting at 4 b/c 0-3 are already filled in above
for i := 4; i < length; i++ {
buf[i] = allchars[rand.Intn(len(allchars))]
}
// now shuffle
rand.Shuffle(len(buf), func(i, j int) {
buf[i], buf[j] = buf[j], buf[i]
})
fmt.Println("Rules Result:", string(buf))

Popularity 4/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: go whatever

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Contributed on Jun 07 2023

Grotesque Gibbon

0 Answers Avg Quality 2/10

Go password generation

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