Delphi 7 Indy 9 Could Not Load Ssl Library -

A simpler approach: Use TNetHTTPClient from Delphi 10+ – but that does not help Delphi 7. Instead, use by François Piette, which includes native Schannel support. Solution 4: Upgrade Indy (Most Robust, Highest Effort) Indy 9 is frozen in time. The modern Indy 10 (still maintained as open source) can be compiled for Delphi 7 with effort.

The good news: the Delphi community has solved this problem hundreds of times. The solutions above are battle-tested in production systems—from medical devices to financial trading platforms. Choose the path that balances time, security, and maintainability for your specific legacy application. Last updated: 2025. This article reflects the state of Delphi 7, Indy 9, and OpenSSL as applicable to legacy software maintenance. Delphi 7 Indy 9 Could Not Load Ssl Library

uses IdHTTP, IdSSL, IdSSLOpenSSL, IdSSLOpenSSLHeaders; procedure SecureGet; var HTTP: TIdHTTP; SSL: TIdSSLIOHandlerSocketOpenSSL; begin HTTP := TIdHTTP.Create(nil); SSL := TIdSSLIOHandlerSocketOpenSSL.Create(HTTP); try SSL.SSLOptions.Method := sslvTLSv1; // or sslvSSLv23 SSL.SSLOptions.Mode := sslmUnassigned; SSL.SSLOptions.VerifyMode := []; SSL.SSLOptions.VerifyDepth := 0; A simpler approach: Use TNetHTTPClient from Delphi 10+

// Force explicit DLL path if needed IdSSLOpenSSLHeaders.LoadOpenSSLLibrary('C:\MyApp\'); The modern Indy 10 (still maintained as open

Introduction: A Legacy Error in a Modern World For developers maintaining legacy systems, few error messages inspire as much immediate dread as the infamous: "Could not load SSL library" when using Indy (Internet Direct) components in Delphi 7.