Module thotp::qr

Contains a function to generate a qr code ready to be scanned by an authenticator app. Tested and working on Google Authenticator and FreeOTP. OTP uris generated by this module (which are encoded in the QR itself) are done so using this specification.

Enums

EcLevel

The error correction level. It allows the original information be recovered even if parts of the code is damaged.

Functions

generate_code_svg

Generates a QR code SVG ready to be scanned by an authenticator app. The parameters for OTPs and the secret get stored in the otp_uri

otp_uri

Generates an otp uri following this specification

uri_append_params

Appends optional parameters to OTP uris. Mutates the string in place. The URI generated by this module’s otp_uri function is usually sufficient, however if you need to fully customize your OTP uri you may choose to do so with this function.