kevinveenbirkenbach/split-secret
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Implemented further decription steps

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Kevin Veen-Birkenbach
2022-12-10 14:42:11 +01:00
parent 47af457162
commit b54723448d
4 changed files with 143 additions and 96 deletions
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32
scripts/classes/Decryption.py
View File

@@ -32,6 +32,19 @@ class Decryption(AbstractSplittedSecret):
def resetDecrypterIds(self):
self.decrypter_ids = []
self.addDecrypterId(self.user_id)
def resetPasswordShare(self):
self.password_parts = {}
self.addPasswordShare(self.user_id,self.getPasswordShare())
def addPasswordShare(self,user_id,password_share):
self.password_parts[str(user_id)] = password_share
def getSharedPassword(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 addDecrypterId(self,decrypter_id):
decrypter_id = int(decrypter_id)
@@ -42,9 +55,24 @@ class Decryption(AbstractSplittedSecret):
if decrypter_id in self.decrypter_ids:
raise Exception("The decrypter is already in the list.")
self.decrypter_ids.append(decrypter_id)
def getDecryptersIds(self):
def getUserId(self):
return self.user_id
def getCoDecrypterIds(self):
co_decrypter_ids = self.decrypter_ids[:]
co_decrypter_ids.remove(int(self.user_id))
return co_decrypter_ids
def getDecrypterIds(self):
return self.decrypter_ids
def getDecryptersGroupName(self):
self.decrypter_ids.sort()
return ''.join(str(x) for x in self.decrypter_ids)
def getPasswordShare(self):
return self.user_data['groups'][str(self.getDecryptersGroupName())]
def getNeededCoDecryptersAmount(self):
return self.needed_decrypters_amount -1

14
scripts/classes/Encryption.py
View File

@@ -51,11 +51,11 @@ class Encryption(AbstractSplittedSecret):
characters = string.ascii_letters + string.digits
return (''.join(random.choice(characters) for i in range(length)).upper())
def isGroupValid(self,password_group_index_str):
def isGroupValid(self,password_group_name):
secret_stakeholders_range=range(1,(self.amount_of_secret_holders+1))
valid_numbers = re.compile("([" + ','.join([str(x) for x in secret_stakeholders_range]) + "]{" + str(self.group_members_amount) + "})")
unvalid_sequenz = re.compile("(.)\\1+")
return re.search(valid_numbers, password_group_index_str) and not re.search(unvalid_sequenz, password_group_index_str)
return re.search(valid_numbers, password_group_name) and not re.search(unvalid_sequenz, password_group_name)
def compileContacts(self):
contacts = {}
@@ -71,21 +71,21 @@ class Encryption(AbstractSplittedSecret):
self.compileContacts()
index = self.getStartnumber()
while index < self.getEndnumber():
password_group_index_str = ''.join(sorted(str(index)))
if self.isGroupValid(password_group_index_str):
password_group_index_int = int(password_group_index_str)
password_group_name = ''.join(sorted(str(index)))
if self.isGroupValid(password_group_name):
password_group_index_int = int(password_group_name)
if not password_group_index_int in self.group_mapped_data:
self.group_mapped_data[password_group_index_int] = {}
self.group_mapped_data[password_group_index_int]['members'] = {}
self.group_mapped_data[password_group_index_int]['password'] = ''
password = ''
for secret_holder_index in password_group_index_str:
for secret_holder_index in password_group_name:
self.group_mapped_data[password_group_index_int]['members'][secret_holder_index]={}
particial_password_length= int(self.OVERALL_PASSWORD_LENGTHS*self.quota_factor);
password_part = self.createPassword(particial_password_length)
self.group_mapped_data[password_group_index_int]['members'][secret_holder_index] = password_part
password += password_part
self.user_mapped_data[secret_holder_index]['groups'][password_group_index_str] = password_part
self.user_mapped_data[secret_holder_index]['groups'][password_group_name] = password_part
self.group_mapped_data[password_group_index_int]['password'] += password
index += 1