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- Can I add a password to an existing private key?
Of course you can add remove a passphrase at a later time add one (assuming it was an rsa key, else use dsa) openssl rsa -aes256 -in your key -out your encrypted key mv your encrypted key your key chmod 400 your key the -aes256 tells openssl to encrypt the key with AES256 As ArianFaurtosh has correctly pointed out: For the encryption algorithm you can use any of aes128, aes192, aes256
- ssl - How to install OpenSSL in Windows 10? - Stack Overflow
I have a question about how and which version of OpenSSL I must install on Windows to later create certificates I installed one version (openssl-1 0 2d-fips-2 0 10) found on SourceForge but it doe
- ssh - Converting keys between openssl and openssh - Information . . .
If I use the following openssl req -x509 -days 365 -newkey rsa:2048 -keyout private pem -out public pem -nodes I get private pem and public pem If I use ssh-keygen -t rsa -f rsa I get rsa and
- How can I generate a self-signed SSL certificate using OpenSSL?
I'm adding HTTPS support to an embedded Linux device I have tried to generate a self-signed certificate with these steps: openssl req -new > cert csr openssl rsa -in privkey pem -out key pem op
- How to pass cipher list to OpenSSL s_client
While the documentation of OpenSSL lacks a lot, this part is actually well documented From the man page of s_client: -cipher cipherlist this allows the cipher list sent by the client to be modified Although the server determines which cipher suite is used it should take the first supported cipher in the list sent by the client See the ciphers command for more information And in the
- How to create . pfx file from certificate and private key?
You will need to use openssl openssl pkcs12 -export -out domain name pfx -inkey domain name key -in domain name crt The key file is just a text file with your private key in it If you have a root CA and intermediate certs, then include them as well using multiple -in params openssl pkcs12 -export -out domain name pfx -inkey domain name key -in domain name crt -in intermediate crt -in rootca
- Provide subjectAltName to openssl directly on the command line
As of OpenSSL 1 1 1, providing subjectAltName directly on command line becomes much easier, with the introduction of the -addext flag to openssl req (via this commit) The commit adds an example to the openssl req man page: Example of giving the most common attributes (subject and extensions) on the command line: openssl req -new -subj " C=GB
- Verify a certificate chain using openssl verify - Stack Overflow
The problem is, that openssl -verify does not do the job As Priyadi mentioned, openssl -verify stops at the first self signed certificate, hence you do not really verify the chain, as often the intermediate cert is self-signed
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