New attack on RSA—the Marvin Attack, a new variation of the 1998 Bleichenbacher timing attack

"The Marvin Attack is a return of a 25 year old vulnerability that allows performing RSA decryption and signing operations as an attacker with the ability to observe only the time of the decryption operation performed with the private key. "

https://people.redhat.com/~hkario/marvin/

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