Requires OpenSSL version 1.1.1
Encrypt
$ echo -n "message to encrypt"| openssl enc -e -aes-256-ctr -nopad -base64 -pbkdf2 -iter 99999 -k secret -S 9876598765
U2FsdGVkX1+YdlmHZQAAANi/ijMqF9vFCC9lCzdkBNNBTg==
Decrypt
$ echo "U2FsdGVkX1+YdlmHZQAAANi/ijMqF9vFCC9lCzdkBNNBTG==" | openssl enc -d -aes-256-ctr -nopad -base64 -pbkdf2 -iter 99999 -k secret -S 9876598765