D:\mobile\hp\Phoenixtool256>hewprsa.exe -d 03672.fd -o 03672dec.fd
Processing... This might take a few seconds.
Header: BIOS_OFFSET:20[14] BIOS_SIZE:4325376[420000] BIOS_SIGN_SIZE:256[100]
WARNING!!! HEADER DOES NOT MATCH EXPECTED FORMAT
DON'T USE THIS TOOL WITHOUT ADAPTIONS!
decipher failed: Invalid argument
ERROR: "No such device"
Usage: hewprsa -h | -d IN.BIN -o OUT.DEC { -s OUT.SIG } | -e IN.DEC -o OUT.BIN -
k [0..3] -s IN.SIG | -t IN.BIN
-e - encrypt data from infile and write it into outfile
-d - decrypt data from infile and write it into outfile
-k - EITHER: select key index for generating the signature
-s - file which contains or has to be signed
-t - test if encrypted bios would be accepted by flash program