Top 10 winner

illusoryTLS

Alfonso De Gregorio · illusorytls.com

An elliptic-curve asymmetric backdoor of the Young-Yung kind planted in the RSA key generation behind a single CA certificate. The backdoored public key is computationally indistinguishable from a genuine one, yet its designer can recover the private key and, because the Web PKI cross-certifies universally, impersonate any HTTPS site, tamper with messages and decrypt traffic.

Record

Researcher

Alfonso De Gregorio

Published by

illusorytls.com

Topic

Other

In the archive

• Ranked #6 in the 2015 Top 10 Web Hacking Techniques

Related sources

• illusoryTLS Whitepaper
• illusoryTLS Slides
• illusoryTLS Slides
• The illusoryTLS Asymmetric Backdoor Whitepaper
• illusoryTLS backdoor design Code
• illusoryTLS implementation
• Alfonso De Gregorio — illusoryTLS: Nobody But Us Impersonate, Tamper, and Exploit
• [DS15] illusoryTLS Nobody But Us Impersonate,Tamper and Exploit - Alfonso De Gregorio

Tags

• tls
• https
• supply-chain
• auth-bypass
• info-leak
• owasp-a01-2021
• owasp-a02-2021
• owasp-a06-2021

This page is the archive's own catalogue record. The research is the work of Alfonso De Gregorio, first published at the original source. Preserved copies are kept so the citation survives its host; this one was last captured on 9 August 2026.