1993-04-20 - Is 40 bits too little?

Header Data

From: Hal <74076.1041@CompuServe.COM>
To: Cypherpunks <cypherpunks@toad.com>
Message Hash: 35208e800867ac2eb542d69538c19838e7d47e45a6b8e9ec82016bae9eaa1e33
Message ID: <93042005313674076.1041_FHD37-1@CompuServe.COM>
Reply To: _N/A

UTC Datetime: 1993-04-20 05:38:04 UTC
Raw Date: Mon, 19 Apr 93 22:38:04 PDT

Raw message

From: Hal <74076.1041@CompuServe.COM>
Date: Mon, 19 Apr 93 22:38:04 PDT
To: Cypherpunks <cypherpunks@toad.com>
Subject: Is 40 bits too little?
Message-ID: <930420053136_74076.1041_FHD37-1@CompuServe.COM>
MIME-Version: 1.0
Content-Type: text/plain


Just to remind everyone, the clipper key is not 40 bits.
 
It is 80 bits.
 
It is not divided up into two 40-bit halves.
 
It is the result of xor'ing two 80-bit numbers, each of which would be held
separately.  Knowing one of the numbers would not improve your chances of
guessing the key.
 
Hal
 







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