adding noise blob to data before signing

bear bear at sonic.net
Sun Aug 11 23:34:29 EDT 2002



On 10 Aug 2002, Eric Rescorla wrote:

>It's generally a bad idea to sign RSA data directly. The RSA
>primitive is actually quite fragile. At the very least you should
>PKCS-1 pad the data.
>
>-Ekr

This is true.  Cyclopedia Cryptologia has a short article detailing
some of the attacks against direct use of RSA.

http://www.disappearing-inc.com/R/rsa.html

is a good URL if you want to read it.

			Ray



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