119 lines
2.1 KiB
Go
119 lines
2.1 KiB
Go
package main
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import (
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"bufio"
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"crypto/md5"
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"fmt"
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"log"
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"math/rand"
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"os"
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"strconv"
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"strings"
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"time"
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)
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func main() {
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input := stdinToString()
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partOne(input)
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partTwo(input)
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}
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func partOne(input string) {
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complete := false
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idx := 1
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password := ""
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for !complete {
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if idx%1000000 == 0 {
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fmt.Print("O")
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} else if idx%100000 == 0 {
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fmt.Print(".")
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}
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sum := fmt.Sprintf("%x", md5.Sum([]byte(input+itoa(idx))))
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if strings.HasPrefix(sum, "00000") {
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fmt.Println("d")
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fmt.Println(itoa(idx))
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password += string(sum[5])
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}
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idx++
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if len(password) == 8 {
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complete = true
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}
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}
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fmt.Println("")
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fmt.Println(password)
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}
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func partTwo(input string) {
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fmt.Println("Cracking the Password, hold on to your butts: ")
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rand.Seed(time.Now().UTC().UnixNano())
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complete := false
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idx := 1469580
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password := []byte{0, 0, 0, 0, 0, 0, 0, 0}
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printPassword(password)
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fnd := 0
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for !complete {
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sum := fmt.Sprintf("%x", md5.Sum([]byte(input+itoa(idx))))
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if strings.HasPrefix(sum, "00000") {
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pos, err := strconv.Atoi(string(sum[5]))
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if err == nil && pos < 8 && password[pos] == 0 {
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password[pos] = sum[6]
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fnd++
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if fnd == 8 {
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complete = true
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}
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}
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}
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if idx%100000 == 0 {
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clearPassword()
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printPassword(password)
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}
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idx++
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}
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clearPassword()
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printPassword(password)
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fmt.Println("")
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fmt.Println("!~CRACK'D~!")
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}
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func clearPassword() {
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fmt.Print("")
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}
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func printPassword(pw []byte) {
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for i := 0; i < len(pw); i++ {
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if pw[i] == 0 {
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// Print random char
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rndBt := byte(97 + rand.Intn(122-97))
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if rndBt%3 == 0 {
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fmt.Print(itoa(int(rndBt % 10)))
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} else {
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fmt.Print(string(byte(97 + rand.Intn(122-97))))
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}
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} else {
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fmt.Print(string(pw[i]))
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}
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}
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}
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func stdinToString() string {
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var input string
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scanner := bufio.NewScanner(os.Stdin)
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for scanner.Scan() {
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input = input + scanner.Text()
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}
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return input
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}
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func itoa(i int) string {
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return strconv.Itoa(i)
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}
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func atoi(i string) int {
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var ret int
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var err error
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if ret, err = strconv.Atoi(i); err != nil {
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log.Fatal("Invalid Atoi")
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}
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return ret
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}
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