Breaking RSA through Insufficiently Random Primes
Schneier on Security
MARCH 16, 2022
Basically, the SafeZone library doesn’t sufficiently randomize the two prime numbers it used to generate RSA keys. Some of the keys are from printers from two manufacturers, Canon and Fujifilm (originally branded as Fuji Xerox). Böck also found four vulnerable PGP keys, typically used to encrypt email, on SKS PGP key servers.
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