63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
// Statup
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// Copyright (C) 2018. Hunter Long and the project contributors
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// Written by Hunter Long <info@socialeck.com> and the project contributors
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//
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// https://github.com/hunterlong/statup
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//
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// The licenses for most software and other practical works are designed
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// to take away your freedom to share and change the works. By contrast,
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// the GNU General Public License is intended to guarantee your freedom to
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// share and change all versions of a program--to make sure it remains free
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// software for all its users.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package utils
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import (
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"crypto/sha1"
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"encoding/hex"
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"fmt"
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"golang.org/x/crypto/bcrypt"
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"math/rand"
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)
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// HashPassword returns the bcrypt hash of a password string
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func HashPassword(password string) string {
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bytes, _ := bcrypt.GenerateFromPassword([]byte(password), 14)
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return string(bytes)
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}
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// NewSHA1Hash returns a random SHA1 hash based on a specific length
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func NewSHA1Hash(n ...int) string {
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noRandomCharacters := 32
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if len(n) > 0 {
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noRandomCharacters = n[0]
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}
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randString := RandomString(noRandomCharacters)
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hash := sha1.New()
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hash.Write([]byte(randString))
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bs := hash.Sum(nil)
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return fmt.Sprintf("%x", bs)
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}
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var characterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789")
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// RandomString generates a random string of n length
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func RandomString(n int) string {
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b := make([]rune, n)
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for i := range b {
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b[i] = characterRunes[rand.Intn(len(characterRunes))]
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}
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return string(b)
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}
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// Sha256 returns a SHA256 hash as string from []byte
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func Sha256(data []byte) string {
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h := sha1.New()
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h.Write(data)
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sha1_hash := hex.EncodeToString(h.Sum(nil))
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return sha1_hash
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}
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