kevinveenbirkenbach/split-secret
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Added decryption for master password

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This commit is contained in:
Kevin Veen-Birkenbach
2022-12-10 17:30:27 +01:00
parent b54723448d
commit 7a7fddee81
3 changed files with 51 additions and 26 deletions
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2
scripts/classes/Cli.py
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@@ -19,7 +19,7 @@ class Cli(object):
for line in stdout:
self.output.append(line.decode("utf-8"))
if process.wait() > bool(0):
raise Exception("Error for: \nCommand:<<" + command + ">>\nOutput:<<" + out + ">>\nExitcode:<<" + err + ">>")
raise Exception("Error for: \nCommand:<<" + str(command) + ">>\nOutput:<<" + str(out) + ">>\nExitcode:<<" + str(err) + ">>")
return self.output
def getOutputString(self):

19
scripts/classes/Decryption.py
View File

@@ -1,5 +1,6 @@
from .AbstractSplittedSecret import AbstractSplittedSecret
import json
from pathlib import Path
class Decryption(AbstractSplittedSecret):
def __init__(self):
@@ -16,6 +17,12 @@ class Decryption(AbstractSplittedSecret):
self.user_data = self.loadJsonFile(self.user_file_decrypted_path)
self.initializeNeededDecryptersAmount()
self.initializeValidDecrypterIds()
def initializeGroupDataEncryption(self):
self.group_name = self.getDecryptersGroupName()
self.encrypted_group_file_path = self.getGroupFilePath(self.group_name, AbstractSplittedSecret.TYPE_DECRYPTED)
self.decryptGroupFile()
self.master_password = self.loadTxtFile(self.encrypted_group_file_path)
def initializeNeededDecryptersAmount(self):
self.needed_decrypters_amount = len(str(list(self.user_data['groups'].keys())[0]))
@@ -40,12 +47,15 @@ class Decryption(AbstractSplittedSecret):
def addPasswordShare(self,user_id,password_share):
self.password_parts[str(user_id)] = password_share
def getSharedPassword(self):
def getGroupPassword(self):
shared_password = ''
for password_share_index in sorted(self.password_parts):
shared_password += str(self.password_parts[password_share_index])
return shared_password
def getMasterPassword(self):
return self.master_password
def addDecrypterId(self,decrypter_id):
decrypter_id = int(decrypter_id)
if decrypter_id not in self.valid_decrypter_ids:
@@ -77,6 +87,9 @@ class Decryption(AbstractSplittedSecret):
def getNeededCoDecryptersAmount(self):
return self.needed_decrypters_amount -1
def loadTxtFile(self,file_path):
return Path(file_path).read_text()
def loadJsonFile(self,file_path):
file = open(file_path)
data = json.load(file)
@@ -90,6 +103,10 @@ class Decryption(AbstractSplittedSecret):
input_file_path = self.getUserFilePath(self.user_id,AbstractSplittedSecret.TYPE_ENCRYPTED)
self.decryptFile(self.user_password, input_file_path, self.user_file_decrypted_path)
def decryptGroupFile(self):
input_file_path = self.getGroupFilePath(self.group_name, AbstractSplittedSecret.TYPE_ENCRYPTED)
self.decryptFile(self.getGroupPassword(), input_file_path, self.encrypted_group_file_path)
def decryptAccumulatedFile(self):
input_file_path = self.getAccumulatedFilePath(AbstractSplittedSecret.TYPE_ENCRYPTED)
output_file_path = self.getAccumulatedFilePath(AbstractSplittedSecret.TYPE_DECRYPTED)