libassh reference manual

Table of contents Headers list All declarations

libassh reference manual » Algorithms and methods » Compression algorithms

1 What is libassh ?
- 1.1 Event based ssh
- 1.2 Modular ssh
- 1.3 Clean design
- 1.4 Portable ssh
- 1.5 Security
- 1.6 Performances
- 1.7 Testing
2 Quickstart
3 Design and architecture
- 3.1 Protocol architecture
  - 3.1.1 Transport layer and packets
  - 3.1.2 Key-exchange process and methods
  - 3.1.3 SSH services
  - 3.1.4 The connection protocol
  - 3.1.5 Mapping to libassh components
- 3.2 Software interfaces
  - 3.2.1 Core and modules
  - 3.2.2 Event based API
  - 3.2.3 Helper functions
  - 3.2.4 Channels and requests
  - 3.2.5 Timeout management
  - 3.2.6 Error handling
- 3.3 State machines
  - 3.3.1 Transport layer FSMs
  - 3.3.2 User auth FSMs
  - 3.3.3 Connection layer FSMs
  - 3.3.4 Key exchange FSMs
- 3.4 Source tree
- 3.5 Build configuration
4 Algorithms and methods
- 4.1 Algorithms registration
- 4.2 Key-exchange algorithms
- 4.3 Authentication algorithms
- 4.4 Cipher algorithms
- 4.5 Message authentication algorithms
- 4.6 Compression algorithms
- 4.7 User authentication methods
- 4.8 Key types and formats
5 Example applications
- 5.1 Remote command execution
- 5.2 Simple loopback server
- 5.3 Command line client
- 5.4 Forwarded command execution
- 5.5 POSIX server
- 5.6 SSH key management tool
6 Test programs
7 API documentation
- 7.1 Headers list
- 7.2 All declarations
8 SSH Lexicon
9 Copyright and license
- 9.1 Software License
- 9.2 Copyright owner
- 9.3 Derivative work
- 9.4 Copying this document
10 Bibliography
11 Appendix
12 GNU Free Documentation License

4.6 Compression algorithms

Modules of this type are used by the transport layer in order to compress and decompress the ssh2 packets transmitted over the network.

The following compression algorithms are supported when the Zlib library is available:

zlib,
zlib@openssh.com

Compression algorithm declarations can be found in assh/assh_compress.h.

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