bx sha256 - enVinci/libbitcoin-explorer GitHub Wiki

Perform a SHA256 hash of Base16 data.

$ bx sha256 --help

Usage: bx sha256 [-h] [--config VALUE] [BASE16]                          

Info: Perform a SHA256 hash of Base16 data.                              

Options (named):

-c [--config]        The path to the configuration settings file.        
-h [--help]          Get a description and instructions for this command.

Arguments (positional):

BASE16               The Base16 data to hash. If not specified the value 
                     is read from STDIN. 

Example 1

$ bx sha256 900df00d

f0ebe3bd55115e573ba35c2b1b65a923ff64c7a548d0deab73f9314754a9149d

Example 2

piped commands, FIPS 180-2 SHA-256 Vector A

$ bx base16-encode abc | bx sha256

616263
ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad

Example 3

piped commands, FIPS 180-2 SHA-256 Vector B

$ bx base16-encode abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq| bx sha256

6162636462636465636465666465666765666768666768696768696a68696a6b696a6b6c6a6b6c6d6b6c6d6e6c6d6e6f6d6e6f706e6f7071
248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1