44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
<div align="center" style="text-align:center">
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<picture>
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<source media="(prefers-color-scheme: light)" srcset="docs/contego-light.png">
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<img src="docs/contego-dark.png" width="800">
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</picture>
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</div>
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## Cryptographic specifications
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The initial key exchange is performed with elliptic-curve Diffie-Hellman. General data exchange is encrypted with AES-GCM. During regular communication payloads are Base64 encoded before being encrypted to prevent delimiter conflicts. SHA-256 hashes of files are compared to ensure data integrity.
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## Usage
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Build the optimized binary with `cargo build --release`.
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### Server
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```
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Usage: contego host [OPTIONS] --key <KEY> <--source <SOURCE>|--files <FILES>...>
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Options:
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-k, --key <KEY> Access key
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-s, --source <SOURCE> Path to a source file (alternative to --files)
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-f, --files <FILES>... Paths to shareable files (alternative to --source)
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-p, --port <PORT> Host port [default: 8080]
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-6, --ipv6 IPv6 instead of IPv4
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-c, --chunksize <CHUNKSIZE> Transmit chunksize in bytes [default: 8192]
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-l, --local Host locally
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-h, --help Print help
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```
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### Client
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```
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Usage: contego connect --addr <ADDR> --out <OUT> --key <KEY>
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Options:
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-a, --addr <ADDR> IP address of the instance
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-o, --out <OUT> Path to an output folder
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-k, --key <KEY> Access key
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-h, --help Print help
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```
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