// Encrypt encrypts the response using the provided hex encoded public key
func (d *DebugResponse) Encrypt(pubKey string) error {
if pubKey == "" {
return fmt.Errorf("pubKey must be supplied")
}
pk := new([32]byte)
dpk, err := hex.DecodeString(pubKey)
if err != nil {
lg.Fatalln("Could not decode debug public key")
}
copy(pk[:], dpk[:32])
data, err := json.Marshal(&d)
if err != nil {
lg.Errorln("could not marshal debug response", err)
return nil
}
encrypted, err := sodiumbox.Seal(data, pk)
if err != nil {
lg.Errorln("could not encrypt debug response", err)
return nil
}
*d = DebugResponse{
Header: d.Header,
Encrypted: hex.EncodeToString(encrypted.Box),
}
return nil
}
// CreateChallenge is what it is
func CreateChallenge(otp, name, recipientPubID string) (*Challenge, error) {
publicKey, err := GetPublicKeyFromPublicID(recipientPubID)
if err != nil {
return nil, err
}
msg, err := sodiumbox.Seal([]byte(name+"|"+otp), publicKey)
if err != nil {
return nil, err
}
return &Challenge{
OTP: otp,
Name: name,
Crypted: *msg,
}, nil
}