Signing ascii text

John W Noerenberg jwn2 at
Wed Dec 23 09:08:22 PST 1992

At 11:31 PM 12/22/92 -0400, Yanek Martinson wrote:
>> (e.g., email messages, etc). Is there a convention for the end of line
>> sequence that is to be used for the copy of the file that is run through
>> the hash function? If there isn't, then the file hash will depend on the
>Canonical Text has a CR and LF at the end of each line.  This is 
>documented in some RFC.  All (most?) protocols used on internet such
>as smtp, finger, etc, use this format.  The possible justification
>is that an extra linefeed or a carriage return is not as bad as a missing

Which RFC are you referring to?  While it is true that 821, 822 (and other
RFC's which are concerned with email messages) define the end of line as a
CRLF, I'm not aware of an RFC which defines canonical text.  The style of
late has been to define a line "as described in rfc822" or some such.  But
I don't recall any rfc which defines canonical text spanning session-layer
(or higher) protocols.  Is there one?

john noerenberg
jwn2 at
noerenberg.j (Applelink)
Do not uselessly lament your luck that is giving way, your work that has
failed, your life's plans that have all ended in despair.  Like a man long
prepared, like a man of courage, bid her farewell, the Alexandria that
leaves you.
-- "The God Abandons Anthony", Constantine Peter Cavafy [1911]

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