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4 min read
An Overview of Symmetric Encryption and the Key Lifecycle
In this article, the first of a 3-part series on symmetric key encryption technology, we will look at the principles of symmetric encryption, the two...
3 min read
Secure Storage and Key Protection for Mobile Banking and Payment Apps
Martin Rupp (guest): 09. March 2020
The security of the storage of cryptographic secrets is essential to ensuring the security of the whole chain of the cryptographic protocol, where...
5 min read
Exploring Secure Cryptographic Devices for Retail Financial Services
Martin Rupp (guest): 02. March 2020
The ANSI X9.24-1: 2017 standard requires the use of secure cryptographic devices (SCDs) in the context of symmetric key cryptography and refers to...
2 min read
Mobile Banking and Payment App Anti-Tampering: What You Need to Know
Martin Rupp (guest): 20. February 2020
Mobile banking and payment app security is deeply linked to their ability to prevent attackers from tampering with them.
2 min read
ANSI X9.24-1-2017: An Introduction into Key Blocks
Martin Rupp (guest): 18. February 2020
Key Blocks have been invented as a standard way for protecting the integrity of symmetric cryptographic keys and for identifying what the keys can be...
2 min read
PCI Key Block Implementation: Migration Phases & Key Management
In June 2019, the PCI Security Standards Council issued an information supplement titled PCI PIN Security Requirement 18-3 – Key Blocks, which...
3 min read
The SHA-1 Attack Further Emphasizes the Need for Crypto-Agility
Edlyn Teske: 24. January 2020
The first practical chosen-prefix collision attack on SHA-1 was announced in January 2020 by researchers Gaëtan Leurent and Thomas Peyrin: “SHA-1 is...
2 min read
SHA-1 is Practical and Cost-Effective to Crack Now
This article discusses recent warnings that a chosen-prefix collision attack on SHA-1 is now practical and cost-effective for attackers.
2 min read
ANSI X9.24-1-2017: The General Key Management Requirements
Martin Rupp (guest): 21. January 2020
The ANSI X9.24-1-2017 norm details how symmetric cryptographic keys should be managed and handled by the relevant actors of the retail financial...