/usr/bin/xbcrypt Ver 8.4.0-5 for Linux (x86_64) (revision id: c6054e17) Copyright (C) 2011-2018 Percona Inc. This software comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to modify and redistribute it under the GPL license. Encrypt or decrypt files in the XBCRYPT format. Usage: /usr/bin/xbcrypt [OPTIONS...] # read data from specified input, encrypting or decrypting and writing the result to the specified output. Options: -?, --help Display this help and exit. -V, --version Display version and exit. -d, --decrypt Decrypt data input to output. -i, --input=name Optional input file. If not specified, input will be read from standard input. -o, --output=name Optional output file. If not specified, output will be written to standard output. -a, --encrypt-algo=name Encryption algorithm. -k, --encrypt-key=name Encryption key -f, --encrypt-key-file=name File which contains encryption key. -s, --encrypt-chunk-size=# Size of working buffer for encryption in bytes. The default value is 64K. -t, --encrypt-threads[=#] Number of threads for parallel data encryption/decryption. The default value is 1 -r, --read-buffer-size[=#] Read buffer size. The defaut value is 10Mb. -v, --verbose Display verbose status output.