Verify SSH host public key fingerprint
To check SSH host public key (Ed25519 key, MD5 checksum): ssh-keygen -l -E md5 -f /etc/ssh/ssh_host_ed25519_key.pub
Category: Cryptography
Generate random bytes with openssl
Generate 32 bytes, hex encode: openssl rand -hex 32 Generate 32 bytes, base64 encode: openssl rand -base64 32 Generate 32 bytes, save output to file: openssl rand -out file.txt 32