Why Are Cryptographers Being Denied Entry into the US?

In March, Adi Shamir -- that's the "S" in RSA -- was denied a US visa to attend the RSA Conference. He's Israeli. This month, British citizen Ross Anderson couldn't attend an awards ceremony in DC because of visa issues. You can listen to his recorded acceptance speech. I've heard of two other...

RSA Conference 2019: Cryptographers' Panel Decries Adi Shamir's Visa Issues

SAN FRANCISCO – This year’s RSA Conference Cryptographers’ Panel started on a sour note when it was announced that longtime participant Adi Shamir, one of the inventors of the RSA algorithm, would be absent because of visa issues with the U.S. Department of State. Shamir, who addressed the...

New Attack Against AES-256 a 'Huge Result'

A group of cryptographers has devised a new attack against AES, the de facto standard encryption algorithm, that enables them to recover an encryption key in far less time than had been possible before. The attack can recover an AES-256 key in a small enough amount of time to make the method...