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zcash-fpga
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python script updates

This commit is contained in:
bsdevlin 2019-04-11 09:35:47 -04:00
parent f496533acc
commit 28363d8ae3
1 changed files with 21 additions and 11 deletions
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12
apps/python/zcash_fpga.py
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@ -19,7 +19,7 @@ class zcash_fpga:
'RESET_FPGA_RPL':int('80000000', 16),
'VERIFY_SECP256K1_SIG_RPL':int('80000101', 16)}
fpga_msg_dict = {fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']:{'name':'FPGA_IGNORE_RPL', 'feilds':[(8, 'index', byt_to_hex), (1, 'bm', byt_to_hex)]},
fpga_msg_dict = {fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']:{'name':'VERIFY_SECP256K1_SIG_RPL', 'feilds':[(8, 'index', byt_to_hex), (1, 'bm', byt_to_hex)]},
fpga_msg_type_dict['FPGA_IGNORE_RPL']:{'name':'FPGA_IGNORE_RPL', 'feilds':[(8, 'ignored_header', byt_to_hex)]},
fpga_msg_type_dict['FPGA_STATUS_RPL']:{'name':'FPGA_STATUS_RPL', 'feilds':[(4, 'version', byt_to_ver), (8, 'build_date', byt_to_str), (8, 'buid_host', byt_to_str), (8, 'cmd_cap', byt_to_hex)]},
fpga_msg_type_dict['RESET_FPGA_RPL']:{'name':'RESET_FPGA_RPL', 'feilds':[]}}
@ -68,6 +68,15 @@ class zcash_fpga:
res = self.get_reply()
if res is not None and (self.struct.unpack('<I', res[4:8])[0] != self.fpga_msg_type_dict['VERIFY_SECP256K1_SIG_RPL']):
print("ERROR: Reply type was not VERIFY_SECP256K1_SIG_RPL")
return False
if (self.struct.unpack('<I', res[8:16])[0] != index):
print("ERROR: Index did not match")
return False
if (self.struct.unpack('<I', res[16:17])[0] != 0):
print("ERROR: Result bitmask was non-zero")
return False
print("INFO: Secp256k1 signature verified correctly")
return True
def close(self):
self.s.close()
@ -94,6 +103,7 @@ class zcash_fpga:
#Example usages:
def example_secp256k1_sig():
zf = zcash_fpga()
zf.reset_fpga() # Reset incase somethign went wrong last run
index = 1234
hsh = 34597931798561447004034205848155169322219865803759328163562698792725658370004