Implements the XRP Ledger core server's variant of RFC-1751, as used to encode/decode the master_key
field in the wallet_propose
response.
node . hex '<128 bits in hex, to encode to rippled master_key>'
node . master_key '<a rippled master_key of 12 words, to decode>'
node . hex 'CCAC 2AED 5910 56BE 4F90 FD44 1C53 4766'
node . master_key 'CHOW SAP ODIN GAUR SELF ME MONT LIST GEE SHED LASS CHOU'
node test