I am not able to generate RSA key pair inside VSS through macros. I am in need of script to gerate key inside and compute Public CA and do RSA computation inside. Please help in this regard.
How to Generate RSA Keys in VSS verifone and compute public /CA?
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As far as I know, it is not possible to generate a RSA keypair inside VSS (v4.0).
You might want to try generating a keypair using the embedded openssl and then store it into the key slot (beware that there are probably some constraints on some key slots (modulus length,exponent length) -- check your documentation).
Beware that the
RSACOMPoperation does only a raw RSA computation (modular exponentiation) and you will have to handle the padding stuff yourself (and correctly).A much simpler alternative is to generate the keypair outside (HSM?) and inject it securely to the terminal (I do not understand your use case -- but some certificate for this keypair could be injected as well)
Good luck!