Hi; It is curl 7.70, OpenSSL 1.0.2l on Windows 10 Pro. This is the stacktrace (lowest on top) in debugger for curl call going into OpenSSL >>>> CURLcode theResult = curl_easy_perform( theCurlHandle );
..... MyTester.exe!X509_verify_cert(x509_store_ctx_st * ctx) Line 314C MyTester.exe!ssl_verify_cert_chain(ssl_st * s, stack_st_X509 * sk) Line 760C MyTester.exe!ssl3_get_server_certificate(ssl_st * s) Line 1260C MyTester.exe!ssl3_connect(ssl_st * s) Line 350C MyTester.exe!SSL_connect(ssl_st * s) Line 1008C MyTester.exe!ssl23_get_server_hello(ssl_st * s) Line 802C MyTester.exe!ssl23_connect(ssl_st * s) Line 231C MyTester.exe!SSL_connect(ssl_st * s) Line 1008C MyTester.exe!ossl_connect_step2(connectdata * conn, int sockindex) Line 2960C MyTester.exe!ossl_connect_common(connectdata * conn, int sockindex, bool nonblocking, bool * done) Line 3764C MyTester.exe!Curl_ossl_connect_nonblocking(connectdata * conn, int sockindex, bool * done) Line 3798C MyTester.exe!Curl_ssl_connect_nonblocking(connectdata * conn, int sockindex, bool * done) Line 284C MyTester.exe!https_connecting(connectdata * conn, bool * done) Line 1581C MyTester.exe!protocol_connecting(connectdata * conn, bool * done) Line 1427C MyTester.exe!multi_runsingle(Curl_multi * multi, curltime now, Curl_easy * data) Line 1830C MyTester.exe!curl_multi_perform(Curl_multi * multi, int * running_handles) Line 2363C MyTester.exe!easy_transfer(Curl_multi * multi) Line 602C MyTester.exe!easy_perform(Curl_easy * data, bool events) Line 691C MyTester.exe!curl_easy_perform(Curl_easy * data) Line 710C I checked with OpenSSL 1.1 as well and same error. best regards Please be advised that this email may contain confidential information. If you are not the intended recipient, please notify us by email by replying to the sender and delete this message. The sender disclaims that the content of this email constitutes an offer to enter into, or the acceptance of, any agreement; provided that the foregoing does not invalidate the binding effect of any digital or other electronic reproduction of a manual signature that is included in any attachment. ------------------------------------------------------------------- Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html