Encrypt and decrypt files

OpenSSL

• Encrypt file (openssl enc):

openssl enc -aes-256-cbc -in un_encrypted.data -out encrypted.data

Use file command to verify file type.

file encrypted.data
encrypted.data: openssl enc'd data with salted password

• Decrypt file (openssl enc -d):

openssl enc -d -aes-256-cbc -in encrypted.data -out un_encrypted.data

See also

• OpenSSL: RSA, ECDSA, WolfSSL, AES, Diffie-Hellman (DH) key-exchange, /etc/ssl/openssl.cnf, OpenSSL v3