mirror of
https://github.com/sonr-io/sonr.git
synced 2026-08-03 01:41:44 +00:00
21 lines
533 B
Go
21 lines
533 B
Go
package webauthn
|
|
|
|
import (
|
|
"crypto/rand"
|
|
)
|
|
|
|
// ChallengeLength - Length of bytes to generate for a challenge.
|
|
const ChallengeLength = 32
|
|
|
|
// CreateChallenge creates a new challenge that should be signed and returned by the authenticator. The spec recommends
|
|
// using at least 16 bytes with 100 bits of entropy. We use 32 bytes.
|
|
func CreateChallenge() (challenge URLEncodedBase64, err error) {
|
|
challenge = make([]byte, ChallengeLength)
|
|
|
|
if _, err = rand.Read(challenge); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return challenge, nil
|
|
}
|