Delphi 7 Indy 9 Could Not Load Ssl Library Now

: Before initializing the SSL/TLS connection, you can specify the path to the OpenSSL libraries in your Delphi code:

with modern OpenSSL 1.1.x or even standard 1.0.x builds. It requires specific versions of two files: ssleay32.dll libeay32.dll For Indy 9, you typically need the OpenSSL 0.9.6 series. You can find these archived on the Indy Fulgan SSL Archive

. Modern OpenSSL DLLs (v1.0.2, v1.1.x, or v3.x) are generally not compatible with Indy 9. Stack Overflow 1. Identify the Correct DLLs

The "Could Not Load SSL Library" error usually indicates that the Indy library is unable to find or load the required SSL/TLS library (e.g., OpenSSL). Indy 9 relies on external libraries for SSL/TLS support, which are not included with Delphi 7 by default. Delphi 7 Indy 9 Could Not Load Ssl Library

The application cannot find the required OpenSSL binaries in its lookup paths.

First, the ones from a PHP project. Error.

Ensure your Indy components are correctly linked to the SSL handler in your code: Uses Clause IdSSLIOHandlerSocket Assign Handler : Before initializing the SSL/TLS connection, you can

Indy 9 does not natively support TLS 1.2. However, the community has backported support using a modified version of OpenSSL 1.0.2 (which supports TLS 1.2) and patched Indy source files.

Indy 9 is very old and requires specific legacy builds of OpenSSL (often version 0.9.6 ). It is generally incompatible with modern OpenSSL 1.1.x or 3.x libraries.

He opened the Indy 9 source code. He hadn't touched these Pascal files in five years. He scrolled down to IdSSLOpenSSL.pas and found the holy grail: a constant array of function names Indy expected to find in the DLLs. SSL_library_init , SSLv23_client_method , OPENSSL_add_all_algorithms_noconf . Modern OpenSSL DLLs (v1

⚠️ Critical Limitations of Indy 9 in Modern Environments

Then, a pair he found in a folder named "Stunnel_Backup." The application loaded. He saw the splash screen. His heart leaped. Then, a second error: Project AceDispatch.exe raised exception class EIdOSSLCouldNotLoadSSLLibrary with message 'SSL_CTX_new: error:140A90F1:SSL routines:SSL_CTX_new:version number mismatch'.