nikdoof/decrypt-otpauth-files
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style: flake8

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Ernest W Durbin III
2018-02-13 19:22:27 -05:00
parent bda4bf2b42
commit 2158888866
1 changed files with 12 additions and 3 deletions
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15
decrypt_otpauth.py
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@@ -16,6 +16,7 @@ from Crypto.Cipher import AES
from rncryptor import RNCryptor
from rncryptor import bord
class Type(Enum):
Unknown = 0
HOTP = 1
@@ -128,6 +129,7 @@ archiver.update_class_map({'NSMutableString': MutableString})
archiver.update_class_map({'ACOTPFolder': OTPFolder})
archiver.update_class_map({'ACOTPAccount': OTPAccount})
class RawRNCryptor(RNCryptor):
def post_decrypt_data(self, data):
@@ -136,6 +138,7 @@ class RawRNCryptor(RNCryptor):
data = data[:-bord(data[-1])]
return data
class DangerousUnarchive(archiver.Unarchive):
def decode_object(self, index):
@@ -204,11 +207,12 @@ def decrypt_account(encrypted_otpauth_account):
else:
print('Encountered unknow file version', archive['Version'])
return
render_qr_to_terminal(account.otp_uri(), account.type, account.issuer, account.label)
def decrypt_account_11(archive, password):
# Get IV and key for actual archive
# Get IV and key for actual archive
iv = hashlib.sha1(archive['IV']).digest()[:16]
salt = archive['Salt']
key = hashlib.sha256((salt + '-' + password).encode('utf-8')).digest()
@@ -223,6 +227,7 @@ def decrypt_account_11(archive, password):
# Construct OTPAccount object from returned dictionary
return OTPAccount.from_dict(archive)
def decrypt_account_12(archive, password):
# Decrypt using RNCryptor
data = data = RawRNCryptor().decrypt(archive['Data'], password)
@@ -233,6 +238,7 @@ def decrypt_account_12(archive, password):
# Construct OTPAccount object from returned dictionary
return OTPAccount.from_dict(archive)
@cli.command()
@click.option('--encrypted-otpauth-backup',
help="path to your encrypted OTP Auth backup (.otpauthdb)",
@@ -265,8 +271,9 @@ def decrypt_backup(encrypted_otpauth_backup):
render_qr_to_terminal(account.otp_uri(), account.type, account.issuer, account.label)
input("Press Enter to continue...")
def decrypt_backup_10(archive, password):
# Get IV and key for actual archive
# Get IV and key for actual archive
iv = hashlib.sha1(archive['IV'].encode('utf-8')).digest()[:16]
salt = archive['Salt']
key = hashlib.sha256((salt + '-' + password).encode('utf-8')).digest()
@@ -280,6 +287,7 @@ def decrypt_backup_10(archive, password):
return [account for folder in archive['Folders'] for account in folder.accounts]
def decrypt_backup_11(archive, password):
# Decrypt using RNCryptor
data = data = RawRNCryptor().decrypt(archive['WrappedData'], password)
@@ -289,5 +297,6 @@ def decrypt_backup_11(archive, password):
return [account for folder in archive['Folders'] for account in folder.accounts]
if __name__ == '__main__':
cli()