Hi,

    The Hardware crypto accelerator I am using has support up-to 2048 bits only 
for RSA.
To do 4096 bit operations I want to use CRT based modular exponentiation and
offload 2048 bit ops to hardware. I didn't find any mod_exp function which uses 
CRT for
doing modular exponentiation in OpenSSL. I tried editing RSA_eay_mod_exp() and 
offload 

bn_mod_exp() function to hardware but some of the parameters to bn_mod_exp() 
are 
of 4096 bit,
so it failed. Is there any function in OpenSSL which uses CRT for doing 4096 
bit 
ops.

-Anand



      
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