Adi Shamir Gabriel Bouys/Getty Images A co-founder

Adi Shamir
Gabriel Bouys/Getty Images
A co-founder of cybersecurity company RSA who also co-developed its public key cryptography algorithm couldn’t make it to the RSA Conference in San Francisco this year. It seems he couldn’t get a visa from the US government.
In a video message played at the major cybersecurity gathering, Israeli cryptography expert Adi Shamir — the “S” in RSA — said he hadn’t received a response to his request for a tourist visa, despite having applied two months ago.
Shamir also suggested that if he, a well-known and award-winning security expert, couldn’t get a US visa, then it might be time to rethink where scientific conferences are held.
Shamir is the Borman Professor of Computer Science at Israel’s Weizmann Institute. He’s well-known for his work on the RSA cryptosystem as well as identity-based cryptography. He’s also a regular speaker on the cryptographers panel at the RSA conference each year.
The Department of State declined to comment. Shamir didn’t immediately respond to a request for comment.
Some Twitter users are shocked by Shamir’s situation, saying it’s “unbelievable” he couldn’t attend the conference.
Unbelievable. The Cryptographer’s Panel at @RSAConference 2019 is missing Adi Shamir (the “S” in RSA), who was unable to secure a US visa.
Adi in a video to #RSAC: “Perhaps it’s time we rethink the question of how and where we organize our major scientific conference.” pic.twitter.com/xBnKzEEFtG
— Mathew J Schwartz (@euroinfosec) March 5, 2019
Bloody hell, Adi Shamir isn’t on the crypto panel because he couldn’t get a visa. What idiocy is this? #RSAC
— Iain Thomson (@iainthomson) March 5, 2019
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