Need help understanding php signature verification?

I am trying to verify a signature in php, and have exhausted myself trying every example I have found on the net. I'...

Cannot find libeay32.lib and ssleay32.lib files when setting up openssl on windows x64?

So I am trying to use openssl inside Visual Studio for some encryption project. These are the steps I did until now:...

Load RSA public key from file?

I've generated a private key with: openssl genrsa [-out file] –des3 After this I've generated a public key with...

Enter PEM pass phrase when converting PKCS#12 certificate into PEM?

I am using OpenSSL to convert my "me.p12" to PEM. When I generate "me.p12", I set a password for it. The "me.p12" co...

Openssl ECDSA : private key passphrase?

I am new with Openssl i have generated a private key myprivatekey.pem and a publickey mypublickey.pem with : openss...

OpenSSL error handling?

Is this the correct way to do error handling in OpenSSL? And what is the difference between SSL_get_error and ERR_ge...

OpenSSL bad decrypt between 0.9.8o and 1.1.0f?

I use OpenSSL to encode clear text and decode it on several remote servers. Whilte I was testing my scripts to ensur...

How to use password argument in via command line to openssl for decryption?

So it's not the most secure practice to pass a password in through a command line argument. That said, the documenta...

OpenSSL CA keyUsage extension?

I want to set up a chain of certificates, with a self signed 'root' CA at the top that signs sub CAs, which can then...

Openssl is unable to establish SSL connection, when I try to access a local site through third party tools like wget?

I want to monitor the index of a site periodically on our local network out of browsers. I tried to download it by w...

Apache 2.4 with OpenSSL service failing with “specific error Incorrect function”?

I downloaded Apache 2.4 from Apache Lounge and installed it on Windows 7, as a development server, and it worked fin...

Disabling RC4 ciphering in Apache 2.4 vhost and still available?

In Apache 2.4, my vhost include the following : SSLCertificateFile /etc/letsencrypt/live/qualification.teamagora.co...

Does openssl errno 104 mean that SSLv2 is disabled??

I want to check if my server has SSLv2 disabled. I am doing this by attempting to connect remotely with openssl with...

How to extract public key from attestation certificate to use it for signature verification??

I want to extract the public key from a certificate to verify a given signature (to answer my own question in relati...

OpenSSL Says “bad decrypt” Even Though Correct Plaintext was Produced?

I am using OpenSSL 1.0.1e-fips under RHEL 6.9. I have encrypted a file with this command: openssl enc -aes-256-gcm...