21 lines
370 B
Go
21 lines
370 B
Go
package util
|
|
|
|
import "crypto/rand"
|
|
|
|
const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
|
|
|
|
func RandomString(length int) (string, error) {
|
|
bytes := make([]byte, length)
|
|
_, err := rand.Read(bytes)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
for i := range bytes {
|
|
bytes[i] = charset[int(bytes[i])%len(charset)]
|
|
}
|
|
|
|
return string(bytes), nil
|
|
}
|
|
|