Douglas F Rayner

Title: Douglas F Rayner: Innovator in Digital Signature Technology

Introduction

Douglas F Rayner is a notable inventor based in San Francisco, CA. He has made significant contributions to the field of digital data security through his innovative patent. His work focuses on methods for inserting and authenticating digital signatures, which are crucial for ensuring the integrity and authenticity of digital information.

Latest Patents

Rayner holds a patent for a "Method and device for inserting and authenticating a digital signature in digital data." This patent outlines a comprehensive method for embedding a digital signature into digital data. The process involves assigning specific bits of the digital data for the signature, signing the data while excluding these bits, and then inserting the signature into the designated bits. Additionally, the patent describes a method for authenticating the digital data by extracting and decrypting the signature, applying a hashing function, and comparing hashes to verify authenticity.

Career Highlights

Douglas F Rayner is associated with NEC Corporation, where he has been able to apply his expertise in digital security. His innovative approach to digital signatures has positioned him as a key figure in the development of secure digital communication technologies.

Collaborations

Rayner has collaborated with notable colleagues, including Ingemar J Cox and Matthew Lynn Miller. These partnerships have likely contributed to the advancement of his work and the successful development of his patented technologies.

Conclusion

Douglas F Rayner's contributions to digital signature technology highlight the importance of innovation in securing digital communications. His patent serves as a foundation for future advancements in the field, ensuring that digital data remains authentic and secure.