How to Prepare for Post Quantum Cryptography.

Post-Quantum Cryptography

Post-quantum cryptography refers to cryptographic algorithms that are believed to be secure against attacks using quantum computers. Quantum computers, if built with sufficiently large and stable qubits (quantum bits), have the potential to solve certain mathematical problems much more efficiently than classical computers. This efficiency could threaten the security of widely used cryptographic algorithms, such as RSA and ECC (Elliptic Curve Cryptography), which rely on the difficulty of certain mathematical problems for their security.

Post-quantum cryptography aims to develop cryptographic algorithms that are resistant to attacks by quantum computers. These algorithms are based on different mathematical problems than those used in traditional cryptography. For example, lattice-based cryptography, code-based cryptography, multivariate polynomial cryptography, and hash-based cryptography are some of the approaches being studied for post-quantum security.

The importance of post-quantum cryptography lies in ensuring the long-term security of sensitive data and communications, especially in scenarios where information must remain confidential for many years into the future. As quantum computing technology advances, the need for post-quantum cryptographic solutions becomes increasingly urgent.

There's a moderate chance that cryptographic algorithms, which we consider secure now, might one day be compromised. Historical examples, such as SHA-1 and MD5, have succumbed to this fate through conventional means. However, with the advent of quantum computing, the landscape becomes even more uncertain. Quantum computers and quantum algorithms have the potential to undermine algorithms that we currently believe to be secure.

To address this concern, the National Institute of Standards and Technology (NIST) has been gathering input from researchers over the past few years. They are poised to release post-quantum standards in 2024.

Prepare your Organization for Post-Quantum Cryptography:

• Create a cryptographic inventory: Prepare for the eventuality that your algorithms may one day be compromised, either by quantum or conventional computers. This could stem from vulnerabilities in theoretical algorithms or specific implementations, such as weaknesses in a JavaScript cryptographic library. Establishing a cryptographic inventory enables you to understand the extent of your exposure and facilitates timely updates. Stellastra offers assistance in building cryptographic inventories not only for your company but also for third parties, as mandated by compliance frameworks like PCI-DSS 4.0.
• Stay up to date with cryptographic standards: Subscribe to our alerts board below to receive notifications on the latest in cryptography standards from stellastra. Get in touch if you wish to explore Post-Quantum Cryptography Standards from Stellastra.

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