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Mark Qvist 2022-04-27 13:19:03 +02:00
parent 3856747e31
commit 00816b55bb
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89
docs/manual/_sources/understanding.rst.txt
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@ -630,9 +630,14 @@ Wire Format
[HEADER 2 bytes] [ADDRESSES 10/20 bytes] [CONTEXT 1 byte] [DATA 0-477 bytes]
* The HEADER field is 2 bytes long.
* Byte 1: [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 1: [IFAC Flag], [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 2: Number of hops
* Interface Access Code field if the IFAC flag was set.
* The length of the Interface Access Code can vary from
1 to 64 bytes according to physical interface
capabilities and configuration.
* The ADDRESSES field contains either 1 or 2 addresses.
* Each address is 10 bytes long.
* The Header Type flag in the HEADER field determines
@ -645,12 +650,16 @@ Wire Format
* The DATA field is between 0 and 477 bytes.
* It contains the packets data payload.
IFAC Flag
-----------------
open 0 Packet for publically accessible interface
authenticated 1 Interface authentication is included in packet
Header Types
-----------------
type 1 00 Two byte header, one 10 byte address field
type 2 01 Two byte header, two 10 byte address fields
type 3 10 Reserved
type 4 11 Reserved
type 1 0 Two byte header, one 10 byte address field
type 2 1 Two byte header, two 10 byte address fields
Propagation Types
@ -682,39 +691,57 @@ Wire Format
HEADER FIELD DESTINATION FIELDS CONTEXT FIELD DATA FIELD
_______|_______ ________________|________________ ________|______ __|_
| | | | | | | |
01010000 00000100 [ADDR1, 10 bytes] [ADDR2, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 4
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = TRANSPORT
+------------- Header Type = HEADER_2 (two byte header, two address fields)
01010000 00000100 [HASH1, 10 bytes] [HASH2, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 4
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = TRANSPORT
|+------------- Header Type = HEADER_2 (two byte header, two address fields)
+-------------- Access Codes = DISABLED
+- Packet Example -+
+- Packet Example -+
HEADER FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ _______|_______ ________|______ __|_
| | | | | | | |
00000000 00000111 [ADDR1, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 7
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = BROADCAST
+------------- Header Type = HEADER_1 (two byte header, one address field)
00000000 00000111 [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = DISABLED
Size examples of different packet types
---------------------------------------
+- Packet Example -+
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers.
HEADER FIELD IFAC FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ ______|______ _______|_______ ________|______ __|_
| | | | | | | | | |
10000000 00000111 [IFAC, N bytes] [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = ENABLED
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes
Size examples of different packet types
---------------------------------------
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers,
but excluding any interface access codes.
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes

4
docs/manual/reference.html
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@ -76,7 +76,7 @@ other programs to use on demand.</p>
<dt class="sig sig-object py" id="RNS.Reticulum.MTU">
<span class="sig-name descname"><span class="pre">MTU</span></span><em class="property"> <span class="pre">=</span> <span class="pre">500</span></em><a class="headerlink" href="#RNS.Reticulum.MTU" title="Permalink to this definition"></a></dt>
<dd><p>The MTU that Reticulum adheres to, and will expect other peers to
adhere to. By default, the MTU is 500 bytes. In custom RNS network
adhere to. By default, the MTU is 507 bytes. In custom RNS network
implementations, it is possible to change this value, but doing so will
completely break compatibility with all other RNS networks. An identical
MTU is a prerequisite for peers to communicate in the same network.</p>
@ -688,7 +688,7 @@ destinations, reticulum will use ephemeral keys, and offers <strong>Forward Secr
<dl class="py attribute">
<dt class="sig sig-object py" id="RNS.Packet.PLAIN_MDU">
<span class="sig-name descname"><span class="pre">PLAIN_MDU</span></span><em class="property"> <span class="pre">=</span> <span class="pre">477</span></em><a class="headerlink" href="#RNS.Packet.PLAIN_MDU" title="Permalink to this definition"></a></dt>
<span class="sig-name descname"><span class="pre">PLAIN_MDU</span></span><em class="property"> <span class="pre">=</span> <span class="pre">476</span></em><a class="headerlink" href="#RNS.Packet.PLAIN_MDU" title="Permalink to this definition"></a></dt>
<dd><p>The maximum size of the payload data in a single unencrypted packet</p>
</dd></dl>

2
docs/manual/searchindex.js
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89
docs/manual/understanding.html
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@ -689,9 +689,14 @@ A Reticulum packet is composed of the following fields:
[HEADER 2 bytes] [ADDRESSES 10/20 bytes] [CONTEXT 1 byte] [DATA 0-477 bytes]
* The HEADER field is 2 bytes long.
* Byte 1: [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 1: [IFAC Flag], [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 2: Number of hops
* Interface Access Code field if the IFAC flag was set.
* The length of the Interface Access Code can vary from
1 to 64 bytes according to physical interface
capabilities and configuration.
* The ADDRESSES field contains either 1 or 2 addresses.
* Each address is 10 bytes long.
* The Header Type flag in the HEADER field determines
@ -704,12 +709,16 @@ A Reticulum packet is composed of the following fields:
* The DATA field is between 0 and 477 bytes.
* It contains the packets data payload.
IFAC Flag
-----------------
open 0 Packet for publically accessible interface
authenticated 1 Interface authentication is included in packet
Header Types
-----------------
type 1 00 Two byte header, one 10 byte address field
type 2 01 Two byte header, two 10 byte address fields
type 3 10 Reserved
type 4 11 Reserved
type 1 0 Two byte header, one 10 byte address field
type 2 1 Two byte header, two 10 byte address fields
Propagation Types
@ -741,42 +750,60 @@ proof 11
HEADER FIELD DESTINATION FIELDS CONTEXT FIELD DATA FIELD
_______|_______ ________________|________________ ________|______ __|_
| | | | | | | |
01010000 00000100 [ADDR1, 10 bytes] [ADDR2, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 4
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = TRANSPORT
+------------- Header Type = HEADER_2 (two byte header, two address fields)
01010000 00000100 [HASH1, 10 bytes] [HASH2, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 4
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = TRANSPORT
|+------------- Header Type = HEADER_2 (two byte header, two address fields)
+-------------- Access Codes = DISABLED
+- Packet Example -+
+- Packet Example -+
HEADER FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ _______|_______ ________|______ __|_
| | | | | | | |
00000000 00000111 [ADDR1, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 7
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = BROADCAST
+------------- Header Type = HEADER_1 (two byte header, one address field)
00000000 00000111 [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = DISABLED
Size examples of different packet types
---------------------------------------
+- Packet Example -+
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers.
HEADER FIELD IFAC FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ ______|______ _______|_______ ________|______ __|_
| | | | | | | | | |
10000000 00000111 [IFAC, N bytes] [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = ENABLED
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes
Size examples of different packet types
---------------------------------------
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers,
but excluding any interface access codes.
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes
</pre></div>
</div>
</div>

89
docs/source/understanding.rst
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@ -630,9 +630,14 @@ Wire Format
[HEADER 2 bytes] [ADDRESSES 10/20 bytes] [CONTEXT 1 byte] [DATA 0-477 bytes]
* The HEADER field is 2 bytes long.
* Byte 1: [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 1: [IFAC Flag], [Header Type], [Propagation Type], [Destination Type] and [Packet Type]
* Byte 2: Number of hops
* Interface Access Code field if the IFAC flag was set.
* The length of the Interface Access Code can vary from
1 to 64 bytes according to physical interface
capabilities and configuration.
* The ADDRESSES field contains either 1 or 2 addresses.
* Each address is 10 bytes long.
* The Header Type flag in the HEADER field determines
@ -645,12 +650,16 @@ Wire Format
* The DATA field is between 0 and 477 bytes.
* It contains the packets data payload.
IFAC Flag
-----------------
open 0 Packet for publically accessible interface
authenticated 1 Interface authentication is included in packet
Header Types
-----------------
type 1 00 Two byte header, one 10 byte address field
type 2 01 Two byte header, two 10 byte address fields
type 3 10 Reserved
type 4 11 Reserved
type 1 0 Two byte header, one 10 byte address field
type 2 1 Two byte header, two 10 byte address fields
Propagation Types
@ -682,39 +691,57 @@ Wire Format
HEADER FIELD DESTINATION FIELDS CONTEXT FIELD DATA FIELD
_______|_______ ________________|________________ ________|______ __|_
| | | | | | | |
01010000 00000100 [ADDR1, 10 bytes] [ADDR2, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 4
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = TRANSPORT
+------------- Header Type = HEADER_2 (two byte header, two address fields)
01010000 00000100 [HASH1, 10 bytes] [HASH2, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 4
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = TRANSPORT
|+------------- Header Type = HEADER_2 (two byte header, two address fields)
+-------------- Access Codes = DISABLED
+- Packet Example -+
+- Packet Example -+
HEADER FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ _______|_______ ________|______ __|_
| | | | | | | |
00000000 00000111 [ADDR1, 10 bytes] [CONTEXT, 1 byte] [DATA]
| | | | |
| | | | +-- Hops = 7
| | | +------- Packet Type = DATA
| | +--------- Destination Type = SINGLE
| +----------- Propagation Type = BROADCAST
+------------- Header Type = HEADER_1 (two byte header, one address field)
00000000 00000111 [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = DISABLED
Size examples of different packet types
---------------------------------------
+- Packet Example -+
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers.
HEADER FIELD IFAC FIELD DESTINATION FIELD CONTEXT FIELD DATA FIELD
_______|_______ ______|______ _______|_______ ________|______ __|_
| | | | | | | | | |
10000000 00000111 [IFAC, N bytes] [HASH1, 10 bytes] [CONTEXT, 1 byte] [DATA]
|| | | | |
|| | | | +-- Hops = 0
|| | | +------- Packet Type = DATA
|| | +--------- Destination Type = SINGLE
|| +----------- Propagation Type = BROADCAST
|+------------- Header Type = HEADER_1 (two byte header, one address field)
+-------------- Access Codes = ENABLED
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes
Size examples of different packet types
---------------------------------------
The following table lists example sizes of various
packet types. The size listed are the complete on-
wire size counting all fields including headers,
but excluding any interface access codes.
- Path Request : 33 bytes
- Announce : 151 bytes
- Link Request : 77 bytes
- Link Proof : 77 bytes
- Link RTT packet : 83 bytes
- Link keepalive : 14 bytes