mirror of
https://github.com/romdo/gomockctx.git
synced 2026-02-19 08:06:40 +00:00
29 lines
582 B
Go
29 lines
582 B
Go
package gomockctx
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"math/big"
|
|
)
|
|
|
|
const alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
|
|
"abcdefghijklmnopqrstuvwxyz" +
|
|
"0123456789"
|
|
|
|
// randString returns a cryptographically secure random string of alphanumeric
|
|
// characters of n length.
|
|
//
|
|
// Borrowed from github.com/jimeh/rands package.
|
|
func randString(n int) (string, error) {
|
|
l := big.NewInt(int64(len(alphabet)))
|
|
b := make([]byte, n)
|
|
for i := 0; i < n; i++ {
|
|
index, err := rand.Int(rand.Reader, l)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
b[i] = alphabet[index.Int64()]
|
|
}
|
|
|
|
return string(b), nil
|
|
}
|