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BOLT 4 Add clarifications about the longest route

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araspitzu 2018-10-30 14:41:16 +01:00 committed by Rusty Russell
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04-onion-routing.md
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@ -73,7 +73,7 @@ A node:
There are a number of conventions adhered to throughout this document:
- Length: the maximum route length is limited to 19 _intermediate nodes_, the _origin node_ and _final node_ do not count toward the limit.
- Length: the maximum route length is limited to 20 hops.
- HMAC: the integrity verification of the packet is based on Keyed-Hash
Message Authentication Code, as defined by the
[FIPS 198 Standard](http://csrc.nist.gov/publications/fips/fips198-1/FIPS-198-1_final.pdf)/[RFC 2104](https://tools.ietf.org/html/rfc2104),
@ -98,6 +98,11 @@ There are a number of conventions adhered to throughout this document:
_receiving peers_.
_sending peer_ --> _receiving peer_
# Clarifications
The longest route supported has 20 hops without counting the _origin node_ and _final node_, thus 19 _intermediate nodes_ and a maximum of 20 channels to be traversed.
# Key Generation
A number of encryption and verification keys are derived from the shared secret: