https://old.andunix.net/ 2026-06-03T22:04:13+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2013-02-04T22:17:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/plaintext Plaintext The plaintext is unencrypted and unsigned text. It's the payload which then get's signed and/or encrypted. Wikipedia defines plaintext as: " In cryptography, plaintext is information a sender wishes to transmit to a receiver. Cleartext is often used as a synonym. Before the computer era, plaintext most commonly meant message text in the language of the communicating parties. Plaintext has reference to the operation of cryptographic algorithms, usually encryption algorithms, and is … text/html 2015-01-29T09:15:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/print_key Print Information about a Key openssl x509 -inform DER -in testkey.cer -noout -text Informations about the used arguments from the OpenSSL man page: * x509: Certificate display and signing utility. * -inform DER: This specifies the input format normally the command will expect an X509 certificate but this can change if other options such as -req are present. The DER format is the DER encoding of the certificate and PEM is the base64 encoding of the DER encoding with header and footer lines … text/html 2015-12-09T07:36:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/print_certificate Print Information about a Certificate openssl x509 -in testkey.crt -noout -text Informations about the used arguments from the OpenSSL man page: * x509: Certificate display and signing utility. * -in testkey.crt: This specifies the input filename to read a certificate from or standard input if this option is not specified.