Apple Proposes Standardized Format for Delivering One-Time Codes Over SMS

Apple has proposed a standardized format for delivering one-time code over SMS.

Since there is no current standard text format for SMS delivery of one-time codes, systems rely on heuristics to locate the code in the message and associate it with a relevant origin.

WebKit engineer Theresa O'Connor proposes this lightweight text format:

-----
747723 is your FooBar authentication code.
@foobar.com #747723
-----

In this example, "747723 is your FooBar authentication code." is the human-readable explanatory text, "@foobar.com" identifies the origin (https://foobar.com) for which the code is to be used, and "#747723" identifies the one-time code (747723). "@" and "#" are sigils used to identify the text that follows them. Any origin which is schemelessly same site as https://foobar.com/ is an origin on which this code may be used.

Both Apple and Google are onboard with the proposed format but Mozilla's stance is unknown.

More details at the link below...

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