Dossier
Filippo Valsorda
Coverage of Filippo Valsorda in the Nexus archive.
- Contrary to popular superstition, AES 128 is just fine in a post-quantum world
Cryptography engineer Filippo Valsorda argues that AES 128 remains secure against quantum computing threats, despite common misconceptions. The article explains that Grover’s algorithm reduces AES 128’s effective key strength by half, but brute-forcing it would still require billions of years using current computational resources like Bitcoin mining.
- Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys
The article discusses that current quantum computers do not pose a threat to 128-bit symmetric encryption keys, which are widely used in secure communications. It clarifies that breaking such keys would require significantly more advanced quantum technology than exists today.