Fixed dateWithOutSepMatch for dates with 8 digits.

This commit is contained in:
Nathan Button 2016-05-29 18:11:57 -06:00
parent 09242c1934
commit 957cde7393
6 changed files with 113 additions and 19 deletions

View File

@ -19,7 +19,7 @@ func checkDate(day, month, year int64) (bool, int64, int64, int64) {
return false, 0, 0, 0
}
if !(1900 <= year && year <= 2019) {
if !((1900 <= year && year <= 2019) || (0 <= year && year <= 99)) {
return false, 0, 0, 0
}
@ -91,8 +91,32 @@ type DateMatchCandidate struct {
I, J int
}
//TODO I think Im doing this wrong.
func dateWithoutSepMatch(password string) (matches []match.DateMatch) {
type DateMatchCandidateTwo struct {
Day string
Month string
Year string
I, J int
}
func dateWithoutSepMatch(password string) ([]match.Match) {
dateMatches := dateWithoutSepMatchHelper(password)
var matches []match.Match
for _, dateMatch := range dateMatches {
match := match.Match{
I:dateMatch.I,
J:dateMatch.J,
Entropy:entropy.DateEntropy(dateMatch),
DictionaryName:"date_match",
Token:dateMatch.Token,
}
matches = append(matches, match)
}
return matches
}
//TODO Has issues with 6 digit dates
func dateWithoutSepMatchHelper(password string) (matches []match.DateMatch) {
matcher := regexp.MustCompile(DATE_WITHOUT_SEP_MATCH)
for _, v := range matcher.FindAllString(password, len(password)) {
i := strings.Index(password, v)
@ -113,15 +137,46 @@ func dateWithoutSepMatch(password string) (matches []match.DateMatch) {
candidatesRoundOne = append(candidatesRoundOne, buildDateMatchCandidate(v[4:], v[0:4], i, j))
//4-digit year sufix
candidatesRoundOne = append(candidatesRoundOne, buildDateMatchCandidate(v[0:lastIndex-4], v[lastIndex-4:], i, j))
candidatesRoundOne = append(candidatesRoundOne, buildDateMatchCandidate(v[0:lastIndex-3], v[lastIndex-3:], i, j))
}
var candidatesRoundTwo []match.DateMatch
var candidatesRoundTwo []DateMatchCandidateTwo
for _, c := range candidatesRoundOne {
if len(c.DayMonth) == 2 {
candidatesRoundTwo = append(candidatesRoundTwo, buildDateMatchCandidateTwo(c.DayMonth[0], c.DayMonth[1], c.Year, c.I, c.J))
candidatesRoundTwo = append(candidatesRoundTwo, buildDateMatchCandidateTwo(c.DayMonth[0:0], c.DayMonth[1:1], c.Year, c.I, c.J))
} else if len(c.DayMonth) == 3 {
candidatesRoundTwo = append(candidatesRoundTwo, buildDateMatchCandidateTwo(c.DayMonth[0:2],c.DayMonth[2:2], c.Year, c.I, c.J))
candidatesRoundTwo = append(candidatesRoundTwo, buildDateMatchCandidateTwo(c.DayMonth[0:0],c.DayMonth[1:3], c.Year, c.I, c.J))
} else if len(c.DayMonth) == 4 {
candidatesRoundTwo = append(candidatesRoundTwo, buildDateMatchCandidateTwo(c.DayMonth[0:2],c.DayMonth[2:4], c.Year, c.I, c.J))
}
}
for _, candidate := range candidatesRoundTwo {
intDay, err := strconv.ParseInt(candidate.Day, 10, 16)
if err != nil {
continue
}
intMonth, err := strconv.ParseInt(candidate.Month, 10, 16)
if err != nil {
continue
}
intYear, err := strconv.ParseInt(candidate.Year, 10, 16)
if err != nil {
continue
}
if ok, _, _, _:= checkDate(intDay, intMonth, intYear); ok{
matches = append(matches, match.DateMatch{Token:password, Pattern:"date", Day:intDay, Month:intMonth, Year:intYear, I:i, J:j })
}
}
}
return matches
@ -131,12 +186,7 @@ func buildDateMatchCandidate(dayMonth, year string, i, j int) DateMatchCandidate
return DateMatchCandidate{DayMonth: dayMonth, Year: year, I: i, J: j}
}
func buildDateMatchCandidateTwo(day, month byte, year string, i, j int) match.DateMatch {
sDay := string(day)
sMonth := string(month)
intDay, _ := strconv.ParseInt(sDay, 10, 16)
intMonth, _ := strconv.ParseInt(sMonth, 10, 16)
intYear, _ := strconv.ParseInt(year, 10, 16)
func buildDateMatchCandidateTwo(day, month string, year string, i, j int) DateMatchCandidateTwo {
return match.DateMatch{Day: intDay, Month: intMonth, Year: intYear, I: i, J: j}
return DateMatchCandidateTwo{Day: day, Month: month, Year: year, I: i, J: j}
}

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@ -72,6 +72,8 @@ func loadFrequencyList() {
MATCHERS = append(MATCHERS, sequenceMatch)
MATCHERS = append(MATCHERS, l33tMatch)
MATCHERS = append(MATCHERS, dateSepMatcher)
MATCHERS = append(MATCHERS, dateWithoutSepMatch)
}

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@ -7,6 +7,7 @@ import (
"testing"
"fmt"
"encoding/json"
"log"
)
//DateSepMatch("1991-09-11jibjab11.9.1991")
@ -121,6 +122,15 @@ func TestDictionaryMatch(t *testing.T) {
func TestDateWithoutSepMatch(t *testing.T) {
matches := dateWithoutSepMatch("11091991")
assert.Len(t, matches, 1, "Lenght should be 1")
matches = dateWithoutSepMatch("20010911")
assert.Len(t, matches, 1, "Lenght should be 1")
log.Println(matches)
//matches := dateWithoutSepMatch("110991")
//assert.Len(t, matches, 21, "Lenght should be blarg")
}
//l33t

36
testapp/main.go Normal file
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@ -0,0 +1,36 @@
package main
import (
"fmt"
"github.com/nbutton23/zxcvbn-go"
"time"
)
func main() {
//password :="Testaaatyhg890l33t"
//fmt.Println(zxcvbn.PasswordStrength(password, nil))
length := 5
//pass := "68f9698fe2540c525fe35b15c6ae1a1788e079962b2ada3d1872c7665c95e148"
pass := "NathanButtonTheAmazingAndAwesom12340987tyghjuikolpblkjhgfdsalabcdef"
for length <= len(pass) {
fmt.Printf("\nTested Password: %s\n", pass[0:length])
startTime := time.Now().UTC()
quality := zxcvbn.PasswordStrength(pass[0:length], []string{})
fmt.Printf(
`Password score (0-4): %d
Estimated entropy (bit): %f
Estimated time to crack: %s%s`,
quality.Score,
quality.Entropy,
quality.CrackTimeDisplay, "\n",
)
length += 1
runtime := time.Now().UTC().Sub(startTime)
fmt.Printf("Evaluation took: %s\n", runtime.String())
}
}

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@ -7,10 +7,6 @@ import (
"time"
)
//func main() {
// password :="Testaaatyhg890l33t"
// fmt.Println(PasswordStrength(password, nil))
//}
func PasswordStrength(password string, userInputs []string) scoring.MinEntropyMatch {
start := time.Now()

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@ -36,8 +36,8 @@ func TestPasswordStrength(t *testing.T) {
runTest(t, "coRrecth0rseba++ery9.23.2007staple$", float64(66.018))
runTest(t, "D0g..................", float64(20.678))
runTest(t, "abcdefghijk987654321", float64(11.951))
runTest(t, "neverforget", float64(2))
runTest(t, "13/3/1997", float64(2))
runTest(t, "neverforget", float64(2)) // I think this is wrong. . .
runTest(t, "13/3/1997", float64(2)) // I think this is wrong. . .
runTest(t, "neverforget13/3/1997", float64(32.628))
runTest(t, "1qaz2wsx3edc", float64(19.314))
runTest(t, "temppass22", float64(22.179))