They didn't really found a successful business. They founded a middling business that didn't do much but license a patent until Security Dynamics, a smart card company, bought them and took over the name.
The story that I remember going around is that they each made some millions of dollars. That was a lot of money at the time for academics. I audited a cryptography course given by Adi Shamir in the early 90's and you couldn't tell he was rich though.
The story that I remember going around is that they each made some millions of dollars. That was a lot of money at the time for academics. I audited a cryptography course given by Adi Shamir in the early 90's and you couldn't tell he was rich though.