aws-c-cal
brew install aws-c-cal
v0.9.14
Apache-2.0
AWS C99 cryptography abstraction layer providing cross-platform wrappers for hash, HMAC, and symmetric encryption.
Why you might care
This is a build/runtime dependency for AWS SDK for C and related AWS C libraries. It abstracts crypto primitives across Windows (CNG), macOS (CommonCrypto), and Linux (OpenSSL/aws-lc), so C applications using AWS services don't need platform-specific crypto code.
4.3k
30-day installs · #665
10.6k
90-day · #787
51.4k
365-day · #669
44
★ GitHub stars · updated 11d ago
Runtime dependencies
Build dependencies
GitHub topics
hacktoberfest
Links
- https://github.com/awslabs/aws-c-cal
- GitHub: awslabs/aws-c-cal
- Brew formula source: Formula/a/aws-c-cal.rb
Blurb generated by claude-haiku-4-5 on today.
Raw metadata
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"github_readme_excerpt": "## AWS C Cal\n\nAWS Crypto Abstraction Layer: Cross-Platform, C99 wrapper for cryptography primitives.\n\n## License\n\nThis library is licensed under the Apache 2.0 License.\n\n## Supported Platforms\n* Windows (Vista and Later)\n* Apple (MacOS 10.15+, IOS 11+)\n* Unix (via OpenSSL compatible libcrypto)\n\n## Build Instructions\n\nCMake 3.9+ is required to build.\n\n`\u003cinstall-path\u003e` must be an absolute path in the following instructions.\n\n#### Linux-Only Dependencies\n\nIf you are building on Linux, there are several options for crypto libraries.\nPreferred choice is aws-lc, that can be build as follows.\n\n```\ngit clone git@github.com:awslabs/aws-lc.git\ncmake -S aws-lc -B aws-lc/build -DCMAKE_INSTALL_PREFIX=\u003cinstall-path\u003e\ncmake --build aws-lc/build --target install\n```\n\nAlternatively, OpenSSL versions 1.0.2 or 1.1.1 or BoringSSL at commit 9939e14\n(other commits are not tested and not guaranteed to work) can be used. To build\nagainst OpenSSL or BoringSSL specify -DUSE_OPENSSL=ON. Typical OpenSSL flags can\nbe used to help project locate artifacts (-DLibCrypto_INCLUDE_DIR and -DLibCrypto_STATIC_LIBRARY)\n\n#### Building aws-c-cal and Remaining Dependencies\n\n```\ngit clone git@github.com:awslabs/aws-c-common.git\ncmake -S aws-c-common -B aws-c-common/build -DCMAKE_INSTALL_PREFIX=\u003cinstall-path\u003e\ncmake --build aws-c-common/build --target install\n\ngit clone git@github.com:awslabs/aws-c-cal.git\ncmake -S aws-c-cal -B aws-c-cal/build -DCMAKE_INSTALL_PREFIX=\u003cinstall-path\u003e -DCMAKE_PREFIX_PATH=\u003cinstall-path\u003e\ncmake --build aws-c-cal/build --target install\n```\n\n## Currently provided algorithms\n\n### Hashes\n#### MD5\n##### Streaming\n````\nstruct aws_hash *hash = aws_md5_new(allocator);\naws_hash_update(hash, \u0026your_buffer);\naws_hash_finalize(hash, \u0026output_buffer, 0);\naws_hash_destroy(hash);\n````\n\n##### One-Shot\n````\naws_md5_compute(allocator, \u0026your_buffer, \u0026output_buffer, 0);\n````\n\n#### SHA256\n##### Streaming\n````\nstruct aws_hash *hash = aws_sha256_new(allocator);\naws_hash_update(hash, \u0026your_buffer);\naws_hash_f",
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