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Cleaning up the salt generation function (#30)

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close #19
This commit is contained in:
Mike Arpaia 2016-08-02 14:41:50 -07:00 committed by GitHub
parent 82968a9430
commit c802a2dbc0
1 changed files with 6 additions and 23 deletions
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29
auth.go
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@ -261,31 +261,14 @@ func Logout(c *gin.Context) {
c.JSON(200, nil)
}
const (
letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
letterIndex = 6 // 6 bits to represent a letter index
letterIndexMask = 1<<letterIndex - 1 // All 1-bits, as many as letterIndex
letterIndexMax = 63 / letterIndex // # of letter indices fitting in 63 bits
)
var psrngSource = rand.NewSource(time.Now().UnixNano())
func generateRandomText(length int) string {
text := make([]byte, length)
for i, cache, remain := length-1, psrngSource.Int63(), letterIndexMax; i >= 0; {
if remain == 0 {
cache, remain = psrngSource.Int63(), letterIndexMax
}
if idx := int(cache & letterIndexMask); idx < len(letters) {
text[i] = letters[idx]
i--
}
cache >>= letterIndex
remain--
rand.Seed(time.Now().UTC().UnixNano())
const chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
result := make([]byte, length)
for i := 0; i < length; i++ {
result[i] = chars[rand.Intn(len(chars))]
}
return string(text)
return string(result)
}
func HashPassword(salt, password string) ([]byte, error) {