There's the odd number/arrangement that amex uses to check for as well On Wed, Dec 18, 2019, 16:14 Eddie de Bear <eddie.deb...@gmail.com> wrote:
> Hi Preet, > > I always check when somebody mentions credit card processing.. > > Anyways, off the top of my head I don't know of any component that can > easily identify credit card info. I suspect your in for a world of pain > using Regex to identify potential card numbers and then a Luhn check to see > if it is actually a valid card number. > > From my bookmarks: > https://en.wikipedia.org/wiki/Luhn_algorithm > > https://stackoverflow.com/questions/21249670/implementing-luhn-algorithm-using-c-sharp > > Might be helpful.. > > Ed. > > On Wed, Dec 18, 2019 at 4:33 PM Preet Sangha <preetsan...@gmail.com> > wrote: > >> Hi Ed, >> >> Thanks for that. We are an large enterprise platform doing thousands of >> transactions via gateways - CC info is normally flowing through our code >> except in the most secure of ways - we are PCI compliant. However to be >> extra careful I'm trying to remove anything that looks like a known CC >> shape from logging. It's to prevent issues in case someone inadvertently >> stores CC in fields that they shouldn't. Yes there education but sometimes >> mistakes happen. >> >> regards, >> Preet, in Auckland NZ >> >> >> >> On Wed, 18 Dec 2019 at 16:57, <eddie.deb...@gmail.com> wrote: >> >>> Hi Preet, >>> >>> >>> >>> I don’t know of any libraries that handle this, but I do have a question >>> for you. >>> >>> >>> >>> Why are you validating credit card info? >>> >>> >>> >>> I ask this because if you are validating card info then you are >>> handling/processing card info. Any business handling credit card >>> information should have PCI-DSS compliance. >>> >>> >>> >>> Personally, I find it is much easier to use external providers (eway, >>> paypal et al) to handle the whole payment process, meaning your code never >>> needs to touch a credit card number and you never have to worry about >>> compliance, *security etc. >>> >>> >>> >>> Just a another random thought, YMMV. >>> >>> >>> >>> *Security of the card information >>> >>> >>> >>> Ed. >>> >>> >>> >>> *From:* ozdotnet-boun...@ozdotnet.com <ozdotnet-boun...@ozdotnet.com> *On >>> Behalf Of *Preet Sangha >>> *Sent:* Wednesday, 18 December 2019 2:41 PM >>> *To:* ozDotNet <ozdotnet@ozdotnet.com> >>> *Subject:* >>> >>> >>> >>> Would anyone know of any credit card validation/detection or similar >>> libraries that we may be able incorporate into our .net framework code >>> (preferably in nuget form) in order to eliminate our own hand coded regexs >>> please? >>> >>> >>> >>> Regards Preet >>> >>> >>> >> > > -- > *EDDIE DE BEAR* > Mob: 0417066315 > Messenger: eddie_deb...@hotmail.com > Skype: eddiedebear >
