Hi Jakub
What is your reference for this idea? (it is a creative one :) )
I think it will be more secure since the collision resistance will be increased.
you are going to hash the message twice
1-once with SHA and other with MD5
2-then concat the 2 hashes
3-then encrypt the result from 2 using your private key (using RSA)
4- the result from 3 is the signature :)
Regards
Haytham Mohammed
Jakub <[EMAIL PROTECTED]> wrote:
Does anybody know, how to combine i.e. SHA + MD5 hashes in one signature
(i.e. RSA)? I know that there may be 2 separated signatures, but it should
be more secure and efficient having 2 hashes in one signature.
Thanks, Jakub
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