{"id":61265,"library":"qca","title":"QCA","description":"Qt Cryptographic Architecture (QCA).","status":"active","version":"2.3.7","language":"cpp","source_language":null,"source_url":null,"tags":["crypto","qt","security"],"install":[{"cmd":"vcpkg install qca","lang":"bash","label":"vcpkg"},{"cmd":"# CMakeLists.txt\nfind_package(qca CONFIG REQUIRED)\ntarget_link_libraries(main PRIVATE QCA::QCA)","lang":"cmake","label":"CMake"}],"dependencies":[],"imports":[{"symbol":"QtCrypto/QtCrypto","correct":"#include <QtCrypto/QtCrypto>"}],"quickstart":{"code":"#include <QtCrypto/QtCrypto>\n#include <QCoreApplication>\n#include <QDebug>\nint main(int argc, char *argv[]) {\n    QCoreApplication app(argc, argv);\n    QCA::init();\n    qDebug() << \"QCA version:\" << QCA::version();\n    return 0;\n}","lang":"cpp","description":"Initialize QCA and print its version"},"warnings":[{"fix":"Ensure Qt is installed and link against QCA::QCA; install qca-ossl plugin for OpenSSL support.","message":"Requires Qt5 or Qt6 and may need additional plugins for specific algorithms.","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'architectur':4 'crypto':6 'cryptograph':3 'qca':1,5 'qt':2,7 'secur':8","created_at":"2026-06-17T04:44:13.441423+00:00","updated_at":"2026-06-17T04:44:13.441423+00:00","problems":[],"ecosystem":"vcpkg","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":null,"github":null,"docs":null,"changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["crypto"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}