Revision as of 22:34, 24 January 2025 edit GrittyIron (talk \| contribs) 27 edits m →Types: Linked undefined acronyms to their Wikipedia pages Tag: Visual edit ← Previous edit		Revision as of 06:30, 26 January 2025 edit undo GreenC bot (talk \| contribs) Bots 3,053,580 edits Rescued 2 archive links. Wayback Medic 2.5 per Category:All articles with dead external links - pass 5 Next edit →
Line 44: == Generation == The CSC for each card (form 1 and 2) is generated by the card issuer when the card is issued. It is calculated by encrypting the bank card number and expiration date (two fields printed on the card) with encryption keys known only to the card issuer, and decimalising the result (in a similar manner to a [[hash function]]).<ref>{{cite web\|date=2012-09-18\|title=VISA PIN Algorithms\|url=https://www.ibm.com/docs/en/zos/2.1.0?topic=algorithms-visa-pin\|access-date=2021-06-18\|website=www.ibm.com\|language=en-us}}</ref><ref>{{cite web\|url=http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/CSFB4Z20/2.4.2?SHELF=&DT=20020114105428 \|archive-url=https://archive.today/20120713194459/http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/CSFB4Z20/2.4.2?SHELF=&DT=20020114105428 \|url-status=dead \|archive-date=13 July 2012 \|publisher=IBM\|title=z/OS Integrated Cryptographic Service Facility Application Programmer's Guide\|date=March 2002\|page=209~~}}{{dead link\|date=September 2022~~}}</ref><ref>{{cite web\|url=http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/CSFB4Z20/2.4.5.16?SHELF=&DT=20020114105428 \|archive-url=https://archive.today/20120717044345/http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/CSFB4Z20/2.4.5.16?SHELF=&DT=20020114105428 \|url-status=dead \|archive-date=17 July 2012 \|publisher=IBM\|title=z/OS Integrated Cryptographic Service Facility Application Programmer's Guide\|date=March 2002\|page=258}} ~~{{dead link\|date=September 2020}}~~</ref> == Benefits and limitations ==

Card security code: Difference between revisions