[chord] Question regarding hashing used in Chord

[Rishit Shah]

Dear Sir:

I was going thru the Chord protocol and had a doubt
regarding the identifier used to map a node.  The
paper says that SHA-1 function is used to generate
keys which are then placed on the Chord ring.  My
doubt is that since SHA-1 function generates a 160-bit
then how do perform the mapping of successor notes coz
to do that 160 bit operations are necessary.  I wanted
to know whether the hash value used is a 160-bit or
has been modified to suit the implementation.

Your reply will be extremely valuable.  Thanking you.

Rishit

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