3 min read
Martin Rupp (guest): 05. March 2021
In this article, we look at the process of a keyshare generator and key derivation as described by the ANSI X9.24-1-2017 standard. This process is...
3 min read
Martin Rupp (guest): 14. January 2021
Unlike other operating systems like Windows, Linux, or OSX, both Android and iOS operating systems are usually shipped with built-in user rights...
2 min read
Martin Rupp (guest): 13. January 2021
In a retail financial services environment, the compromise of a symmetric cryptographic key is a critical security breach. Such a situation is...
3 min read
Martin Rupp (guest): 04. August 2020
In the last couple of months, facts regarding breaches that occurred during December 2018 at PostBank, the national postal bank operator of South...
4 min read
Martin Rupp (guest): 24. July 2020
Tokenization is a generalized concept of a cryptographic hash. It means representing something by a symbol (‘token’).
3 min read
Martin Rupp (guest): 30. June 2020
Invented by Mohamed Atalla, the Atalla key block is the root of all key blocks. All over the globe, hundreds of millions of financial transactions...
3 min read
Martin Rupp (guest): 25. June 2020
In the mobile environment, source code is often distributed without enough security. Programs compiled as bytecode, such as the ones developed for...
3 min read
Martin Rupp (guest): 01. May 2020
In the mobile environment, while debuggers are legal and legitimate development tools, they can also be used to reverse mobile banking and payment...
2 min read
Martin Rupp (guest): 16. April 2020
Here we describe some of the HTTPS vulnerabilities in the context of mobile banking and their countermeasures.
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