1. Methods and Systems for Conjugated Authentication and Authorization (Inventors: H. Mouftah, B. Vaidya, C. Adams). Canadian patent 3,005,598, granted May 24, 2022.
2. Methods and Systems for Conjugated Authentication and Authorization (Inventors: H. Mouftah, B. Vaidya, C. Adams). US patent 10,949,843, granted March 16, 2021.
3. Digital Signature Authentication without a Certification Authority (Inventors: C. Adams, G.-V. Jourdan). US patent 9,369,276, granted June 14, 2016.
4. System and method for granting security privilege in a communication system (Inventor: C. Adams). US patent 6718470, granted April 6, 2004
5. Multi-factor biometric authenticating device and method (Inventors: C. Adams, M. Wiener). US patent 6363485, granted March 26, 2002
6. Constructing symmetric ciphers using the CAST design procedure (Inventors: C. Adams, M. Wiener, R. Lockhart). Canadian patent 2,164,768, granted January 23, 2001
7. Practical S-box design (Inventors: C. Adams, S. Mister). US patent 6031911, granted February 29, 2000
8. Design principles of the SHADE cipher (Inventors: C. Adams, M. Wiener). US patent 5949884, granted September 7, 1999
9. Symmetric cryptographic system for data encryption (Inventor: C. Adams). Canadian patent 2,134,410, granted November 24, 1998
10. Constructing symmetric ciphers using the CAST design procedure (Inventors: C. Adams, M. Wiener, R. Lockhart). US patent 5825886, granted October 20, 1998
11. Symmetric cryptographic system for data encryption (Inventor: C. Adams). US patent 5511123, granted April 23, 1996