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+.ds RH 13 November 2001
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-Network Working Group P. Riikonen
+Network Working Group P. Riikonen
Internet-Draft
-draft-riikonen-silc-pp-04.txt XXX
-Expires: XXX
+draft-riikonen-silc-pp-04.txt 13 November 2001
+Expires: 13 May 2002
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Table of Contents
2.3 SILC Packet Types ......................................... 7
2.3.1 SILC Packet Payloads ................................ 16
2.3.2 Generic payloads .................................... 16
- 2.3.2.1 ID Payload .................................. 16
- 2.3.2.2 Argument Payload ............................ 17
+ 2.3.2.1 ID Payload .................................. 17
+ 2.3.2.2 Argument Payload ............................ 18
2.3.2.3 Channel Payload ............................. 18
2.3.2.4 Public Key Payload .......................... 19
- 2.3.3 Disconnect Payload .................................. 19
- 2.3.4 Success Payload ..................................... 19
- 2.3.5 Failure Payload ..................................... 20
- 2.3.6 Reject Payload ...................................... 21
+ 2.3.3 Disconnect Payload .................................. 20
+ 2.3.4 Success Payload ..................................... 21
+ 2.3.5 Failure Payload ..................................... 21
+ 2.3.6 Reject Payload ...................................... 22
2.3.7 Notify Payload ...................................... 22
- 2.3.8 Error Payload ....................................... 21
- 2.3.9 Channel Message Payload ............................. 28
- 2.3.10 Channel Key Payload ................................ 31
- 2.3.11 Private Message Payload ............................ 33
- 2.3.12 Private Message Key Payload ........................ 34
- 2.3.13 Command Payload .................................... 36
- 2.3.14 Command Reply Payload .............................. 37
- 2.3.15 Connection Auth Request Payload .................... 37
- 2.3.16 New ID Payload ..................................... 38
- 2.3.17 New Client Payload ................................. 39
- 2.3.18 New Server Payload ................................. 40
- 2.3.19 New Channel Payload ................................ 41
- 2.3.20 Key Agreement Payload .............................. 42
- 2.3.21 Resume Router Payload .............................. 43
- 2.3.22 File Transfer Payload .............................. 43
- 2.4 SILC ID Types ............................................. 44
- 2.5 Packet Encryption And Decryption .......................... 44
- 2.5.1 Normal Packet Encryption And Decryption ............. 45
- 2.5.2 Channel Message Encryption And Decryption ........... 45
- 2.5.3 Private Message Encryption And Decryption ........... 46
- 2.6 Packet MAC Generation ..................................... 47
- 2.7 Packet Padding Generation ................................. 47
- 2.8 Packet Compression ........................................ 48
- 2.9 Packet Sending ............................................ 48
- 2.10 Packet Reception ......................................... 49
- 2.11 Packet Routing ........................................... 49
- 2.12 Packet Broadcasting ...................................... 50
-3 Security Considerations ....................................... 50
-4 References .................................................... 50
-5 Author's Address .............................................. 52
+ 2.3.8 Error Payload ....................................... 28
+ 2.3.9 Channel Message Payload ............................. 29
+ 2.3.10 Channel Key Payload ................................ 32
+ 2.3.11 Private Message Payload ............................ 34
+ 2.3.12 Private Message Key Payload ........................ 35
+ 2.3.13 Command Payload .................................... 37
+ 2.3.14 Command Reply Payload .............................. 38
+ 2.3.15 Connection Auth Request Payload .................... 38
+ 2.3.16 New ID Payload ..................................... 39
+ 2.3.17 New Client Payload ................................. 40
+ 2.3.18 New Server Payload ................................. 41
+ 2.3.19 New Channel Payload ................................ 42
+ 2.3.20 Key Agreement Payload .............................. 43
+ 2.3.21 Resume Router Payload .............................. 44
+ 2.3.22 File Transfer Payload .............................. 44
+ 2.4 SILC ID Types ............................................. 46
+ 2.5 Packet Encryption And Decryption .......................... 46
+ 2.5.1 Normal Packet Encryption And Decryption ............. 46
+ 2.5.2 Channel Message Encryption And Decryption ........... 47
+ 2.5.3 Private Message Encryption And Decryption ........... 48
+ 2.6 Packet MAC Generation ..................................... 48
+ 2.7 Packet Padding Generation ................................. 49
+ 2.8 Packet Compression ........................................ 50
+ 2.9 Packet Sending ............................................ 50
+ 2.10 Packet Reception ......................................... 51
+ 2.11 Packet Routing ........................................... 51
+ 2.12 Packet Broadcasting ...................................... 52
+3 Security Considerations ....................................... 53
+4 References .................................................... 53
+5 Author's Address .............................................. 54
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List of Figures
Payload
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13 SILC_PACKET_KEY_EXCHANGE
This packet is used to start SILC Key Exchange Protocol,
This payload can be used to send an ID. ID's are variable in length
thus this payload provides a way to send variable length ID's.
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The following diagram represents the ID Payload.
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the packet payload needing the arguments. Incorrect amount of argument
payloads MUST cause rejection of the packet.
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The following diagram represents the Argument Payload.
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The following diagram represents the Channel Payload.
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.nf
1 2 3
The following diagram represents the Public Key Payload.
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.nf
1 2 3
not be sent in any other packet type. The following diagram represents
the Notify Payload.
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.nf
1 2 3
diagram represents the Private Message Payload.
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1 2 3
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2.4 SILC ID Types
this ID in [SILC1].
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+When encoding different IDs into the ID Payload, all fields are always
+in MSB first order. The IP address, port, and/or the random number
+are encoded in the MSB first order.
+
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2.5 Packet Encryption And Decryption
[RFC2119] Bradner, S., "Key Words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997.
+[SFTP] Ylonen T., and Lehtinen S., "Secure Shell File Transfer
+ Protocol", Internet Draft, March 2001.
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5 Author's Address
EMail: priikone@silcnet.org
-This Internet-Draft expires XXX
+This Internet-Draft expires 13 May 2002