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Hello, I have the requirement to verify the certificate in a C# FTPS Client implementation actually using ChilkatDotNet45.dll Using the docs I came across RequireSslCertVerify and set the property to true. As the docs say: "The certificate is expired, or if the cert's signature is invalid." this is verified, but I did not find a possibility to verify the CA of the certificate or the certificate chain. Is this possible with the chilkat FTPS implementation? Best regards Jochen Kluger

asked Aug 22 at 10:40

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Jochen Kluger

You can get the server certificate by calling the GetSslServerCert method when connected via SSL/TLS.

I updated the documentation to clarify:

The server's certificate signature is verified with its issuer, and the issuer's cert is verified with its issuer, etc. up to the root CA cert. If a signature verification fails, the connection is not allowed. Also, if the certificate is expired, or if the cert's signature is invalid, the connection is not allowed.

A way for determining if the CA root is one you trust is shown here: https://www.example-code.com/csharp/http_trustedRoot.asp


answered Aug 24 at 13:25

chilkat's gravatar image

chilkat ♦♦

edited Aug 24 at 13:25

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Asked: Aug 22 at 10:40

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Last updated: Aug 24 at 13:25

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