[openssl-users] Call rsa_mod_exp for more than one exponentiation

Daniel Grosu dni.grosu at gmail.com
Wed Jul 6 14:58:38 UTC 2016

Is it possible to call the rsa_mod_exp method in RSA_METHOD structure for
more than one exponentiation?

E.g.: openssl `speed rsa -engine my_engine` will call rsa_mod_exp for every
single rsa sign/verify operation, but I want to queue, let's say 10 of
these operations and process them in a single rsa_mod_exp call.

I want to do this because the RSA ENGINE is using GPU based implementations
which are faster the CPU (default) based implementations when executes
multiple operations in parallel.

Best regards,
Dani Grosu
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