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Archive of posts tagged openssl

File encryption on the command line

This list is just a reference which hopefully saves some googling. Let's make it clear that we're talking about symmetric encryption here, that is, a password (or better, a passphrase) is supplied when the file is encrypted, and the same password can be used to decrypt it. No public/private key stuff or other preparation should […]

OCSP verification with OpenSSL

How to perform simple OCSP queries from the command line

Check certificate chain file

Check that the CA chain is ordered

OpenSSL vs. GnuTLS cipher names

How to convert between OpenSSL and GnuTLS cipher names