4 min read
Martin Rupp (guest): 19. October 2022
In the “four corner model”, acquirers are apparently the less active party as their role seems ‘only’ to forward the transaction flow originating...
3 min read
Martin Rupp (guest): 22. September 2022
An issuer is one of the corners in the ‘four corner’ model. An issuer is a financial organization (e.g. a bank) that produces payment cards and...
3 min read
Martin Rupp (guest): 20. September 2022
The EMV personalization data processing in itself is not the topic of this article, we will instead focus on the cryptographic schemes involved in...
4 min read
Martin Rupp (guest): 16. June 2022
Cardholders (or consumers) are one of the corners of the ‘four corner’ model in the payment card world. Here we take a brief look at the payment...
5 min read
This article talks about how different factors and controls can affect the strength and effectiveness of a cryptographic system's security. It gives...
2 min read
Banks and financial institutions must adhere to a rigorous set of security and regulatory practices to protect data, communications, and processes.
5 min read
A key management system is a critical component in achieving PCI DSS compliance for a banking institution. It involves implementing a crypto system...
3 min read
Martin Rupp (guest): 03. October 2019
In this article, we will review some of the constraints of an EMV tokenization solution when it comes to FIPS and more generally, NIST considerations.
5 min read
Martin Rupp (guest): 12. August 2019
The EMV consortium released several standards detailing how “network” tokenization should be handled. There is now a general consensus within the...