Otherwise I'm just going to have to write some sort of splitting and chaining operation, that splits the message up into chunks of under RSA_size, encrypts each chunk as a separate operation, etc. Is this what is normally done in this sort of situation?
-Patrick
Richard Levitte - VMS Whacker wrote:
In message <[EMAIL PROTECTED]> on Fri, 04 Jun 2004 11:17:49 +0800, Patrick Coleman <[EMAIL PROTECTED]> said:
pcoleman> Bulk encryption, I think. I just want to encrypt/decrypt > pcoleman> RSA_size(key) bytes in one operation.
You can't encrypt/decrypt messages larger than the key with the RSA algorithm. It's part of the algorithm. Therefore, it's better (as some other have said) to encrypt/decrypt the message with a symmetric algorithm, using a randomly generated key that you in turn encrypt/decrypt using RSA (because the key is likely to be smaller than RSA_size(rsakey)).
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