Vincent Moscaritolo

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Vincent "Vinnie" Moscaritolo
American Computer Security Expert
Known forCryptographic engineering and Internet security

Vincent (Vinnie) Moscaritolo is a retired American computer security expert known for his work in encryption applications for mobile devices. After decades in the computer industry, he now volunteers as a search and rescue professional. He holds NREMT, WFR, and Amateur Radio Extra Class and a General Radiotelephone Operator with Ships Radar License.

As of recent, Vinnie has been prolifically writing on Substack on topics such as automotive hacking, software-defined radio, Raspberry Pi, and Search and Rescue.

From 2012 to 2015, he was the Distinguished Member of Technical Staff at Silent Circle, where he designed the original messaging technologies Silent Circle uses.[1][2] In 2015, he left Silent Circle to co-found 4th-A Technologies, LLC with Robbie Hanson. 4th-A Technologies develops technologies to restore to people their inalienable right to be “secure in their documents”. They designed[3] a framework that simplifies the development of apps that interact with the cloud, and performs tasks such as syncing, messaging & collaboration. It uses zero-knowledge encryption, ensuring the data in the cloud cannot be compromised. They also produced the Storm4 secure cloud storage service.[4]

Vincent has been involved in the design, invention, and production of system software and network applications for more than 30 years. In addition to producing cryptographic products, his concern about the use of encryption technology by criminal and terrorist actors has compelled him to offer assistance and training to both law enforcement and the intelligence community on cryptographic issues. He has participated at specialized venues such as with federal as well as local law enforcement agencies and the Cloud Security Alliance.[citation needed]


Vincent Moscaritolo's experience includes roles as Distinguished Member of Technical Staff at Silent Circle, Principal Cryptographic Engineer for PGP Corporation, Senior Operating System engineer for Apple Computer, and Principal Software Specialist at Digital Equipment Corporation.

Vincent was one of the co founders of Silent Circle, and developer of the secure messaging technology used by Silent Circle / Blackphone. He designed the Silent Circle Instant Messaging Protocol (SCIMP) and was the inventor of Progressive Encryption used by the Silent Text app.

While at PGP, he focused on the engineering of cryptographic products on the OS X platform including the cross platform core crypto library, secure file deletion, virtual disk client, network kernel engine redirection module. He was also responsible for obtaining and maintaining NIST FIPS-140 validation for PGP cryptographic core.

At Apple, he was notable for founding the Mac-Crypto Conference, where key Mac developers, industry leaders and legends met to discuss topics ranging from Cryptosystems, Digital Cash and Security issues to feedback sessions where developers were able to directly discuss their requirements with Apple engineers.[5] He was also involved in the original Cypherpunk group.

In the mid 1980s he founded a startup called DataVox, which produced BankTalk, one of the first voice response systems for the financial marketplace. This included a user-tailorable audio menu system that provided general information, balance, account transactions and was able to communicate with bank mainframes over the existing ATM network.


Vincent is currently actively publishing articles on Substack [6] about his Search and Rescue, Emergency Medicine, Ham Radio and Raspberry PI. There are some works archived about zero-trust on Medium[7]

His last privacy project was the framework.[8]

Moscaritolo published an article about the S4 open-source crypto library[9] and Verifying Authenticity of Public Keys.[10]

Moscaritolo designed the Silent Circle Instant Messaging Protocol (SCIMP), which uses a new progressive encryption technology.[11][12]

Other cryptographic projects include the development of a public key authentication extension for file servers,[13] authoring of IETF draft for a secure authorization protocol for distributed systems,[14] development of code and technotes for PGP cryptographic toolkit, and a number of presentations and tutorials on modern cryptosystems and security.[15][16] He was also a contributor to the Vanish, Self destructing Data project at University of Washington[17]

He holds patents related to cryptographic techniques and designs.[18]


"If we can just pass a few more laws, we could all be criminals”

Personal life[edit]

Vincent currently volunteers with the Jackson County Sheriff's Search and Rescue team. He has a background in a variety of fields, including motorcycle racing and a number of martial arts.


  1. ^ "Secure Enterprise Communication Solutions". Silent Circle.
  2. ^ "Crypto wiz Phil Zimmermann leads charge to make phone calls really private". August 8, 2014.
  3. ^
  4. ^ Storm4
  5. ^ Mac Crypto Workshop
  6. ^ Moscaritolo, Vinnie. "Vinnie's Views".
  7. ^ "Vinnie Moscaritolo". Medium.
  8. ^ enables a new class of privacy-focused applications
  9. ^ S4 open-source crypto library
  10. ^ Verifying Authenticity of Public Keys
  11. ^ "Silent Text 2.0: The next generation of private messaging | Silent Circle Blog". July 22, 2014. Archived from the original on 2014-07-22.
  12. ^ "Better Security, 'Progressive Encryption' in Silent Text 2.0".
  13. ^ PGPuam December 1998
  14. ^ "draft-moscaritolo-openpgp-literal-01".
  15. ^ Publications, Lectures & Presentations
  16. ^ Moscaritolo, V., & Hettinga, R. (1996) Digital Commerce for the Rest of US: Apple in a Geodesic Economy
  17. ^ "Vanish: Enhancing the Privacy of the Web with Self-Destructing Data". Retrieved 2022-10-31.
  18. ^ "ininventor:"Vincent E. Moscaritolo" - Google Search".

External links[edit]