Top "Openssl" questions

OpenSSL is an open source software toolkit that implements the SSL/TLS protocol, as well as a general cryptographic library.

How to fix: fatal error: openssl/opensslv.h: No such file or directory in RedHat 7

I have RedHat Enterprise Linux Server 7, and I downloaded the linux kernel version 4.12.10 which I am trying to compile but …

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openssl command line to verify the signature

Hi I have generated a key pair and used the private key to generate a signature. openssl rsautl -sign -in …

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How to save the LDAP SSL Certificate from OpenSSL

I wanted the SSL Certificate of my LDAP Server which is Novell eDirectory. I have used openssl to connect to …

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Building Python with SSL support in non-standard location

I need to install several Python modules on a RHEL where I don't have root access. At least one of …

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How can I sign a file using RSA and SHA256 with .NET?

My application will take a set of files and sign them. (I'm not trying to sign an assembly.) There is …

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How to convert .csr to .cer (or whatever usable on Windows)

I'm trying to figure out how to install .csr certificate under Windows but probably the only way is to convert …

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How to display the Subject Alternative Name of a certificate?

The closest answer that I found is using "grep". > openssl x509 -text -noout -in cert.pem | grep DNS Is …

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How to revoke an openssl certificate when you don't have the certificate

I made an openssl certificate signed by the CA created on the local machine. This certificate was deleted and I …

openssl certificate-revocation
"verify error:num=20" when connecting to gateway.sandbox.push.apple.com

I am attempting to run the Ray Wenderlich tutorial found at Apple Push Notification Services in iOS 6 Tutorial: Part 1/2. I …

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certificate verify failed: unable to get local issuer certificate

I am trying to get data from the web using python. I imported urllib.request package for it but while …

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