Am 18.12.2016 um 01:30 schrieb Andrew Gallagher: > >> On 18 Dec 2016, at 00:17, sivmu <si...@web.de> wrote: >> >> ... that this means RSA encrzption is reproducable, meaning encrypted >> files of the same plaintext result in the same ciphertext, as this woul >> make the process reproduceable and any malfunction can be easily noticed. > > No, because the plaintext is symmetric-encrypted with a random session key on > the host. The smartcard just asymmetric-encrypts the session key. This two > step process is used mainly because asymmetric encryption is comparatively > slow, but it also means that two identical plain texts won't get encrypted to > the same ciphertext, due to the random session key. > > A >
You are right, I forgot that. Having some kind of way to check if the card is operating normally would be awesome though...
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