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##### ssl::basic_context::use_certificate_chain_file (1 of 2 overloads)

Use a certificate chain from a file.

    void use_certificate_chain_file(
        const std::string & filename);

This function is used to load a certificate chain into the context from a file.

###### Parameters

filename

  The name of the file containing the certificate. The file must use the PEM format.

###### Exceptions

boost::system::system_error

  Thrown on failure.