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https://issues.apache.org/jira/browse/OFBIZ-7824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15645786#comment-15645786 ]
Paul Foxworthy commented on OFBIZ-7824:
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Some credit cards have different lengths. For example, American Express is 15, not 16 digits.
Credit cards have a built-in checksum using the Luhn algorithm (
https://en.wikipedia.org/wiki/Luhn_algorithm). It would be far better to verify the checksum, rather than just the number of digits.
There already is credit card checksum checking in OFBiz. Have a look at
https://fisheye6.atlassian.com/browse/~br=trunk/ofbiz/trunk/framework/base/src/main/java/org/apache/ofbiz/base/util/UtilValidate.java?r=1761200#to1193 and the preceding code.
Is there somewhere in OFBiz that should be using this validation, but isn't currently?
> Add validation for credit card number length
> ---------------------------------------------
>
> Key: OFBIZ-7824
> URL:
https://issues.apache.org/jira/browse/OFBIZ-7824> Project: OFBiz
> Issue Type: Improvement
> Components: ALL APPLICATIONS
> Affects Versions: Trunk
> Reporter: Padmavati Rawat
> Priority: Minor
>
> Ofbiz allows for any length for credit card numbers, as default length is 16 digits.
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