2 min read
Martin Rupp (guest): 10. May 2022
One aspect of key management is dealing with what happens when a symmetric cryptographic key is no longer needed. The section ‘Key Replacement,...
2 min read
Martin Rupp (guest): 31. March 2022
The ANSI X9.24-1-2017 standard defines the requirements for the loading of key components or shares, and the loading of cleartext keys. The loading...
2 min read
Martin Rupp (guest): 28. January 2022
Attacks on mobile banking and payment applications frequently begin with the use of an emulator for the mobile operating system, where the targeted...
3 min read
Martin Rupp (guest): 26. November 2021
The PCI Council requires most actors of payment networks to implement ANSI X9.24/TR-31-compliant key blocks to wrap and securely transmit, transfer,...
4 min read
Martin Rupp (guest): 05. November 2021
This article discusses how tokenization may reduce false declines with credit card transactions that could negatively impact merchants.
2 min read
Martin Rupp (guest): 21. October 2021
This article proposes answers to a series of frequently asked questions (FAQs) about key blocks.
3 min read
Martin Rupp (guest): 18. September 2021
This article briefly summarizes the symmetric cryptographic key utilization and storage requirements as described by the ANSI X9.24-1-2017 (part 1)...
3 min read
Martin Rupp (guest): 19. August 2021
Thales Key Blocks are an essential cryptographic key wrapping format. In comparison to other key block formats, they are proprietary and only work...
2 min read
Martin Rupp (guest): 18. June 2021
How can keys be securely exchanged over potentially unprotected channels? The answer to this question is “key blocks”. A key block is an essential...
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