[11431] in cryptography@c2.net mail archive

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adding noise blob to data before signing

daemon@ATHENA.MIT.EDU (Eugen Leitl)
Sat Aug 10 12:01:39 2002

Date: Sat, 10 Aug 2002 12:15:43 +0200 (CEST)
From: Eugen Leitl <eugen@leitl.org>
To: Cryptography List <cryptography@wasabisystems.com>


1) What's the name of the technique of salting/padding an small integer 
   I'm signing with random data?

2) If I'm signing above short (~1 kBit) sequences, can I sign them 
   directly, or am I supposed to hash them first? (i.e. does a presence
   of an essentially fixed field weaken the signature)


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