Prevalidation of credit cards

Bug #545519 reported by AJenbo on 2010-03-23
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntuone-music-store
Wishlist
Joshua Hoover

Bug Description

Creditcard numbers can be prevalidated as the users types it using:
http://en.wikipedia.org/wiki/Luhn_algorithm

This helps prevent against mistyping the credit card number.

Most card types can also be checked for correct type by looking at the first 4 didgits. All Visa cards starts with 4. Danish Visa cards always starts with 4571. Visa cards are 13-16 didgits.
Master cards always starts with 5 and the secound didget is always with in 1-5. Master Card numbers are always 16 didgits.

This information could be used to automate the selection of card type. Or simplify it.

AJenbo (ajenbo) wrote :

Heres some more info about the start numbers on credit cards, it's called IIN: http://en.wikipedia.org/wiki/Bank_card_number

Changed in rhythmbox-ubuntuone-music-store:
assignee: nobody → Matt Griffin (mattgriffin)
tags: added: 7digital
Changed in rhythmbox-ubuntuone-music-store:
importance: Undecided → Wishlist
Daniel Neel (dneelyep) on 2010-06-18
summary: - Prevalidation of card
+ Prevalidation of credit cards
dobey (dobey) on 2011-02-22
affects: rhythmbox-ubuntuone-music-store → ubuntuone-music-store
Changed in ubuntuone-music-store:
status: New → Triaged
Changed in ubuntuone-music-store:
assignee: Matt Griffin (mattgriffin) → Joshua Hoover (joshuahoover)
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