BREAKING CHANGE: Library now requires system-installed dependencies Major Changes: - Convert secp256k1 from bundled static lib to system dependency - Convert OpenSSL from bundled static lib to system dependency - Convert curl from bundled static lib to system dependency - Update build.sh with pkg-config detection and fallback logic - Remove all static library extraction/building logic - Update README.md with new dependency requirements and installation Build System: - Add detect_system_secp256k1() with pkg-config support - Add detect_system_openssl() with pkg-config support - Add detect_system_curl() with pkg-config support - Remove secp256k1 building/extraction from ar archive - Update CFLAGS and LIBS to use system library variables - Clear error messages for missing dependencies with install commands Documentation: - Add system dependency installation for Ubuntu/Debian/CentOS/macOS - Update all compile/link examples to include -lssl -lcrypto -lcurl -lsecp256k1 - Remove references to 'self-contained' and 'no external dependencies' - Update integration examples throughout README Benefits: - Smaller library size (only internal code bundled) - Automatic security updates via system package manager - Standard Linux library distribution pattern - Reduced build complexity - Better system integration with pkg-config Required Installation: Ubuntu/Debian: sudo apt install libssl-dev libcurl4-openssl-dev libsecp256k1-dev CentOS/RHEL: sudo yum install openssl-devel libcurl-devel libsecp256k1-devel macOS: brew install openssl curl secp256k1
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Security Policy
Reporting a Vulnerability
To report security issues send an email to secp256k1-security@bitcoincore.org (not for support).
The following keys may be used to communicate sensitive information to developers:
| Name | Fingerprint |
|---|---|
| Pieter Wuille | 133E AC17 9436 F14A 5CF1 B794 860F EB80 4E66 9320 |
| Jonas Nick | 36C7 1A37 C9D9 88BD E825 08D9 B1A7 0E4F 8DCD 0366 |
| Tim Ruffing | 09E0 3F87 1092 E40E 106E 902B 33BC 86AB 80FF 5516 |
You can import a key by running the following command with that individual’s fingerprint: gpg --keyserver hkps://keys.openpgp.org --recv-keys "<fingerprint>" Ensure that you put quotes around fingerprints containing spaces.