xxd encryption-key.bin Assume you have a sensitive file secrets.txt . Using OpenSSL, you can encrypt it with the binary key:
In the world of digital security, few files are as small yet as powerful as encryption-key.bin . At just a few kilobytes, it often goes unnoticed on a hard drive—until it’s accidentally deleted, exposed, or misplaced. For developers, system administrators, and security-conscious users, this file represents the linchpin of data protection. encryption-key.bin file
You can inspect the raw bytes (in hexadecimal) with: xxd encryption-key