Solving sslv3 alert handshake failure when trying to use a client certificate?

I'm trying to connect to a service that requires a certificate for authorization. The process is that I send the ser...

Openssl : error “self signed certificate in certificate chain”?

When I used openssl APIs to validate server certificate (self signed), I got following error : error 19 at 1 dep...

How to Install M2crypto on Windows?

After installing OpenSSL, downloading the pre-built Swig executable, and ensuring the openssl libraries are located ...

Unable to load certificates when trying to generate pfx file?

I have been struggling for the last three hours trying to create an .pfx file using OpenSSL. I have been following ...

Change keystore password from no password to a non blank password?

I have a jks keystore with no password. When I run the command keytool -list -keystore mykeystore.jks And it pro...

cat not recognised as an internal or external command?

Learning about big query on google app engine and wanted to try out this library that also required me to know about...

Rejected Client-Certificate in Chrome 61?

I have an already long running website secured by self generated client-certificates. It has been working for years ...

dyld: Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib?

I installed vapor via homebrew and then immediately wanted to jump into a project by executing vapor new Hello but t...

curl : (1) Protocol https not supported or disabled in libcurl?

I'm trying to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-ope...

openssl s_client using a proxy?

openssl s_client -connect some.https.server:443 -showcerts is a nice command to run when you want to inspect the s...

OpenSSL - error 18 at 0 depth lookup:self signed certificate?

I was trying to create a SSL certificate to use with MySQL as like mentioned here : http://dev.mysql.com/doc/refman/...

“ERROR:root:code for hash md5 was not found” when using any hg mercurial commands?

When trying to use any hg Mercurial commands on the console, I keep getting this error. I installed Python using Ho...

How to test if a remote server support tls1.2 on Mac OS?

I have googled and find https://serverfault.com/questions/638691/how-can-i-verify-if-tls-1-2-is-supported-on-a-rem...

OpenSSL Verify return code: 20 (unable to get local issuer certificate)?

I am running Windows Vista and am attempting to connect via https to upload a file in a multi part form but I am hav...