Inventor

RIVEST RONALD L

US23 patents

⚠️ This page may combine multiple inventors who share the name “RIVEST RONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RIVEST RONALD L

RSA SECURITY INC

System and method for authentication seed distribution

Method and apparatus for performing enhanced time-based authentication

System and method for authentication seed distribution

Method and apparatus for selective blocking of radio frequency identification devices

Enhanced block ciphers with data-dependent rotations

EMC CORP

Multi-server one-time passcode verification on respective high order and low order passcode portions

Authentication based on user-selected image overlay effects

Detecting malicious websites

Determining authenticity based on indicators derived from information relating to historical events

RSA DATA SECURITY INC

Block encryption algorithm with data-dependent rotations

Block encryption algorithm with data-dependent rotations

MASSACHUSETTS INST TECHNOLOGY

Cryptographic communications system and method

Method and apparatus for reusing non-erasable memory media

JUELS ARI

Scheduling of defensive security actions in information processing systems

Remote verification of file protections for cloud data storage

PITNEY BOWES INC

Data center for remote postage meter recharging system having physically secure encrypting apparatus and employing encrypted seed number signals

BOWERS KEVIN D

Graph-based approach to deterring persistent security threats

DELCO ELECTRONICS CORP

Method of secure remote access

NANOPOULOS ANDREW

System and method providing disconnected authentication

BRAINARD JOHN G

User authentication based on voucher codes

RIVEST RONALD L

Key update with compromise detection

BAILEY DANIEL VERNON

Gaming systems with authentication token support

MICALI SILVIO

Method and system for micropayment transactions