Signing data using an RSA keypair and RSA patent encumberance

[Salman Ahmed]

If I use the following functions from OpenSSL to sign data and later verify the 
data/signature using an RSA keypair:

   EVP_SignInit();
   EVP_SignUpdate();
   EVP_SignFinal();

   EVP_VerifyInit();
   EVP_VerifyUpdate();
   EVP_VerifyFinal();

in an application that is distributed globally around the world, does the RSA 
patent become an encumberance given that this application's use and 
distribution is not limited to North America even though the RSA patent expired 
in 2000?

IANAL, and I am getting conflicting information about the use of the above 
signing & verification functions in OpenSSL together with an RSA keypair in an 
application that is to be used and distributed around the world.

Thanks!



      
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