[openssl-users] openssl-1.1.0 - Linker error on Windows

Michael Wojcik Michael.Wojcik at microfocus.com
Wed May 25 13:59:41 UTC 2016

[Ugh, HTML email, which Outlook is still incapable of processing correctly.]

> From: openssl-users [mailto:openssl-users-bounces at openssl.org] On Behalf Of Andrew Hartley
> Sent: Wednesday, May 25, 2016 05:20

> I’ve built the openssl-1.1.0 library with no-shared config option on Windows.  I’ve linked the library to my application > and fixed the few issues with EVP_MD_CTX deprication.  When I build my application I get the following link errors:
> 1>libcrypto.lib(e_capi.obj) : error LNK2019: unresolved external symbol __imp__CertFreeCertificateContext at 4 referenced in function _capi_free_key

You have the CAPI engine linked into libcrypto (rather than configuring it for dynamic loading), so you need to link against the Windows CAPI library, which is crypt32.lib. Add /Lcrypt32, either when you create libcrypto or when you link your application.

Michael Wojcik
Technology Specialist, Micro Focus

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