openssl_encryption_cheatsheet.md

OpenSSL Encryption Cheatsheet

N. P. O'Donnell, 2020

Encrypting a file with AES 256 CBC

openssl enc -aes-256-cbc -in <plaintext input file> -out <ciphertext output file>

By convention the output file often has the extension .enc

Decrypting a file with AES 256 CBC

openssl enc -d -aes-256-cbc -in <ciphertext input file> -out <plaintext output file>

By convention the output file often has the extension .dec