Skip to content

getPublicKey now works with python3 #35

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
Xoffio wants to merge 1 commit into from
Closed

getPublicKey now works with python3 #35

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 9 additions & 8 deletions getPublicKey.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
import argparse
import struct
import base64
import codecs

KEY_HEADER = "ecdsa-sha2-nistp256"
CURVE_NAME = "nistp256"
Expand All @@ -30,7 +31,7 @@
def parse_bip32_path(path):
if len(path) == 0:
return ""
result = ""
result = b""
elements = path.split('/')
for pathElement in elements:
element = pathElement.split('\'')
Expand All @@ -57,21 +58,21 @@ def parse_bip32_path(path):

donglePath = parse_bip32_path(args.path)
apdu = "800200" + p2
apdu = apdu.decode('hex') + chr(len(donglePath) + 1) + chr(len(donglePath) / 4) + donglePath

#apdu = apdu.decode('hex') + chr(len(donglePath) + 1) + chr(len(donglePath) / 4) + donglePath
apdu = codecs.decode(apdu, 'hex') + bytes(chr(len(donglePath) + 1), encoding='utf8') + bytes(chr(int(len(donglePath) / 4)), encoding='utf8') + donglePath
dongle = getDongle(True)
result = dongle.exchange(bytes(apdu))
key = str(result[1:])
blob = struct.pack(">I", len(KEY_HEADER)) + keyHeader
blob = struct.pack(">I", len(KEY_HEADER)) + bytes(keyHeader, encoding="utf-8")
if args.ed25519:
keyX = bytearray(key[0:32])
keyY = bytearray(key[32:][::-1])
if ((keyX[31] & 1)<>0):
if ((keyX[31] & 1) != 0):
keyY[31] |= 0x80
key = str(keyY)
else:
blob += struct.pack(">I", len(CURVE_NAME)) + CURVE_NAME
blob += struct.pack(">I", len(CURVE_NAME)) + bytes(CURVE_NAME, encoding="utf-8")

blob += struct.pack(">I", len(key)) + key
print keyHeader + " " + base64.b64encode(blob)
blob += struct.pack(">I", len(key)) + bytes(key, encoding="utf-8")
print(keyHeader + " " + base64.b64encode(blob).decode("utf-8"))