Publications

Conferences, Periodicals, Patents

Proof-of-Concept Prototype for Agent-Based Digital Identity Architecture, Kalman C. Toth, 2025 Pacific Northwest Software Productivity Conference (PNSQC), Portland, OR, USA, Oct. 13-15, 2025.

Agent-Based Digital Identity Architecture, Kalman C. Toth, 2024 Pacific Northwest Software Productivity Conference (PNSQC), Portland, OR, USA, Oct. 14-16, 2024.

Open Banking: Will Decentralized Identity Satisfy Needs and Risks? Kal Toth. This article accompanies the IdentityNORTH Winter Workshop session on open banking held 02-17-2021.

Privacy by Design Identity Architecture Using Agents and Digital Identities, Kalman C. Toth, Ann Cavoukian and Alan Anderson-Priddy, Annual Privacy Forum, Lisbon, Portugal, Oct. 22-23, published by Springer.

Privacy by Design Identity Architecture: Verifiably Owner-Controlled Identity using Agents, Kalman C. Toth, Ann Cavoukian and Alan Anderson-Priddy, IdentityNorth Virtual Summit, Toronto, Canada, June 17-18, 2020.

Privacy by Design Architecture Composed of Identity Agents Decentralizing Control over Digital Identity, Kalman C. Toth, Ann Cavoukian and Alan Anderson-Priddy, proceedings of the Open Identity Summit, Copenhagen, Denmark, May 26-27.

Self-Sovereign Digital Identity: A Paradigm Shift for Identity, Kalman C. Toth and Alan Anderson-Priddy, comments by Ann Cavoukian, IEEE Security and Privacy Magazine, Vol. 17, No. 3, May/June 2019.

Privacy by Design using Agents and Sovereign Identities, Kalman C. Toth and Alan Anderson-Priddy, IFIP-SEC Work in Progress and Emerging Research Workshop, Lisbon, Portugal, June 25-27, 2019.

Architecture for Self-Sovereign Digital Identity, Kalman C. Toth and Alan Anderson-Priddy, Computers Applications in Industry and Engineering (CAINE), New Orleans, LA, USA, Oct. 8-10, 2018.

Brewing Next Generation Identity, Kalman C. Toth , Annual Pacific NW Software Quality Conference (PNSQC), Portland, OR, USA, Oct. 12-14, 2015.

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US Patents

Electronic Identity and Credentialing System, Kal Toth, USPTO 9646150, May 9, 2017.

An electronic credentialing system that enables device owners to interoperate wherein each device has an installed identity engine [identity agent] that acquires, holds, issues [creates] and uses electronic identities [self-sovereign digital identities].

Methods for Using Digital Seals for Non-Repudiation of Attestations, Kal Toth, USPTO 9900309, Feb. 20, 2018.

Enables a person [owner] having a device and electronic [digital] identities to create a digital seal that affixes the owner’s identity and attestation to an electronic artifact such as a transaction, document or digital identity.

Systems and Methods for Registering and Acquiring E-Credentials using Proof of Existence and Digital Seals, Kal Toth, USPTO 10127378, Nov. 13, 2018.

Combines the digital sealing method with a proof-of-existence method whereby a digital identity owner can register the identity in a proof-of-existence repository and a relying party can use the repository to verify that a received digital identity was created by the digital identity owner.

Architecture and Methods for Self-Sovereign Digital Identity, Kal Toth, USPTO 10756906, Aug 25, 2020.

Specifies methods for verifying, validating and exchanging self-sovereign digital identities where stakeholders (requesters, private data owners, and custodians) use identity agents to affix digital seals to consent tokens when delegating access to private data.

Methods for Identity-Proofing, Attestation and Replacing Passwords with Digital Identities, Kal Toth, submitted Aug. 25,2020.

Specifies methods for proofing and attesting digital identities and using digital identities instead of remote access passwords to authenticate an identity agent owner when accessing a web service.

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