[Muscle] Some issues with Aladdin eToken PRO 72K (Athena OS755)

[Joao Pedro]

Hello Hendrik,

Thanks for the hint. The thing is that, with a proprietary applet,  
2048 bit keys seem to work fine...

Best regards,
Joao

Hendrik Tews <tews at cs.ru.nl> wrote:

>
>    1. The card generates a 2048 bit RSA keypair, but when trying, for
>    example, to encrypt data with the public key the card seems to throw
>    and SW_UNSUPPORTED_FEATURE exception - this problem doesn't happen
>    with 1024 bit keys.
>
> With NXP JCOP cards I have the following experience: even if it
> is printed on the backside that they support RSA up to 2048 bits,
> their largest key size is 1952. For bigger key sizes either
> RSAPublicKey.setModulus throws CryptoException.ILLEGAL_VALUE or
> RSAPublicKey.setExponent throws CryptoException.ILLEGAL_VALUE.
>
> I would try slightly smaller keys.
>
>    2. The random number generator doesn't seem to work... (even though
>    the card supports it).
>
> No idea here.
>
> Bye,
>
> Hendrik
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