Hi Viktor, Thanks for your replay! Sorry for my wrong format and I would use plaint-text in the future. As for “in which case it will use the public key as a stand-in for the missing private key”, do you mean use “client cert public key” instead of “client cert private key”? If so is it possible that I pass “client cert public key” in “SSL_CTX_use_PrivateKey_file”? (I’m running on 1.1 :(((( ) Thanks, Jim From: Viktor Dukhovni On Mon, Jan 07, 2019 at 11:43:47PM -0800, Jin Xie wrote: [ Going forward, please try to post plain-text with regular spaces, rather than Unicode non-breaking spaces. ] > // load client-side cert and key, signed by intermediate cert > SSL_CTX_use_certificate_file(m_ctx, ClientCertificateFileTest, SSL_FILETYPE_PEM); > > // no need anymore because no way to extract private key > // SSL_CTX_use_PrivateKey_file(m_ctx, ClientPrivateKeyFileTest, SSL_FILETYPE_PEM); Your problem is here, you can't skip loading some form of private key handle. OpenSSL 1.1.1 provides an SSL_CTX_use_cert_and_key() function, which allows the private key to passed as NULL, in which case it will use the public key as a stand-in for the missing private key. All the relevant functions are in ssl/ssl_rsa.c, if you are willing to read the source code to find the most suitable interface. If you're using 1.1.0 or 1.0.2 there is probably another way, but I don't know it off-hand. -- Viktor. -- openssl-users mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users |
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