URI Format

The URI format of the QR code from which the IIJ SmartKey is read is as follows:

otpauth://totp/<label>?<parameters>

<label> is a string value that indicates the subject to whom the secret key is issued.

In <label> the issuer and the account name are separated with a colon, it is a URI encoded string.
Please make the <parameters> of the issuer parameter is the same as the issuer.
Account names and the issuer cannot have a colon

Examples

<parameters> has the below parameters, and is a URI query string.

secret: String value that is the secret key encoded using Base 32 encoding. [Required]
issuer: The same as the issuer of <label>. [Required]
Algorithm: Hash algorithm. One of SHA1 (default) / SHA256 / SHA512 / MD5 [OPTIONAL]
digits: Number of digits displayed. One of 6 (default) or 8 [OPTIONAL]
period: Update intervals(seconds). Default is 30 [OPTIONAL]
icon: String pointing to the display icon. The default is the icon pointed to by the app [OPTIONAL]

otpauth://totp/IIJ:iij-taro@example.com?secret=GUYZ7YBZ74QUWUJB4HCLVVLGG3M3W5FZ&issuer=IIJ