FirebaseAuth Framework Reference
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FIRTOTPSecret


@interface FIRTOTPSecret : NSObject

-sharedSecretKey
Returns the shared secret key/seed used to generate time-based one-time passwords.
Declaration
Objective-C
- (nonnull NSString *)sharedSecretKey;
-generateQRCodeURLWithAccountName:issuer:
Returns a QRCode URL as described in https://.com/google/google-authenticator/wiki/Key-Uri-Format This can be displayed to the user as a QRCode to be scanned into a TOTP app like Google Authenticator.
Declaration
Objective-C
- (nonnull NSString *) generateQRCodeURLWithAccountName:(nonnull NSString *)accountName issuer:(nonnull NSString *)issuer;
Parameters
accountName
the name of the account/app.
issuer
issuer of the TOTP(likely the app name). Returns A QRCode URL string.
-openInOTPAppWithQRCodeURL:
Opens the specified QR Code URL in a password manager like iCloud Keychain.
See
See more details here: https://developer.apple.com/documentation/authenticationservices/securing_logins_with_icloud_keychain_verification_codes
Declaration
Objective-C
- (void)openInOTPAppWithQRCodeURL:(nonnull NSString *)QRCodeURL;

`accountName`	the name of the account/app.
`issuer`	issuer of the TOTP(likely the app name). Returns A QRCode URL string.