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Readme and Protocol changes

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Pablu23
2023-12-08 20:53:47 +01:00
parent abcdba6cab
commit 73726b3aa4
2 changed files with 10 additions and 4 deletions
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12
protocol.md
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@@ -13,15 +13,21 @@
8. If Client has all packets, or retries has exceeded limit. Client sends Ack Packet for last Sync 8. If Client has all packets, or retries has exceeded limit. Client sends Ack Packet for last Sync
9. Client and Server "close" / forget the connection 9. Client and Server "close" / forget the connection
### RSA Packet
8 Byte Session ID | 4 Byte Encrypted Data Length | Encrypted Data (Symmetric Key)
### Secure Header | Unencrypted ### Secure Header | Unencrypted
1 Byte RSA Flag | 24 Byte Nonce | 8 Byte Session ID | 4 Byte Encrypted Data Length 24 Byte Nonce | 8 Byte Session ID | 4 Byte Encrypted Data Length
### Packet Header | Encrypted ### Packet Header | Encrypted
1 Byte Header Type Flag | 4 Byte Sync 1 Byte Header Type Flag | 4 Byte Sync
### Packet Structure ### Packet Structure
37 Byte Secure Header | 5 Byte Packet Header | <= 446 Byte Data | 16 Byte chacha20poly1305 overhead | 36 Byte | 5 Byte | <= 487 Byte | 16 Byte |
| ---------------ENCRYPTED--------------- | | :------:|:------:|:-----------:|:-------------------------------------:|
| Secure Header | Packet Header | Data | chacha20poly1305 overhead |
| | Encrypted | Encrypted | |
### Data ### Data

2
readme.md
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@@ -1,6 +1,6 @@
# Simple UDP File transfer # Simple UDP File transfer
A udp File transfer "Suite" A udp File transfer "Suite" with TCP Connection establishment
## Points that might or might not get looked at: ## Points that might or might not get looked at:
- Performance Improvements (right now on my PC ~400 Mbit/s Throughput allocated to all requesting clients, localhost / not Network bound) - Performance Improvements (right now on my PC ~400 Mbit/s Throughput allocated to all requesting clients, localhost / not Network bound)