def write(self, filename=None):
''''
Write out DB to given filename with optional master key.
If no master key is given, the one used to create this DB is used.
'''
import hashlib
outfilename = filename or self.filename
self.header.ngroups = len(self.groups)
self.header.nentries = len(self.entries)
header = DBHDR(self.header.encode())
# fixme: should regenerate encryption_iv, master_seed,
# master_seed2 and allow for the number of rounds to change
payload = self.encode_payload()
header.contents_hash = hashlib.sha256(payload).digest()
# finalkey = self.final_key(masterkey = masterkey or self.masterkey,
# masterseed = self.header.master_seed,
# masterseed2 = self.header.master_seed2,
# rounds = self.header.key_enc_rounds)
payload = self.encrypt_payload(payload, self.final_key(),
header.encryption_type(),
header.encryption_iv)
fp = open(outfilename, 'w')
fp.write(header.encode())
fp.write(payload)
fp.close()
return
def write(self,filename,masterkey=""):
''''
Write out DB to given filename with optional master key.
If no master key is given, the one used to create this DB is used.
'''
import hashlib
self.header.ngroups = len(self.groups)
self.header.nentries = len(self.entries)
header = DBHDR(self.header.encode())
# fixme: should regenerate encryption_iv, master_seed,
# master_seed2 and allow for the number of rounds to change
payload = self.encode_payload()
header.contents_hash = hashlib.sha256(payload).digest()
finalkey = self.final_key(masterkey = masterkey or self.masterkey,
masterseed = self.header.master_seed,
masterseed2 = self.header.master_seed2,
rounds = self.header.key_enc_rounds)
payload = self.encrypt_payload(payload, finalkey,
header.encryption_type(),
header.encryption_iv)
fp = open(filename,'w')
fp.write(header.encode())
fp.write(payload)
fp.close()
return
def write(self, filename=None):
''''
Write out DB to given filename with optional master key.
If no master key is given, the one used to create this DB is used.
'''
import hashlib
outfilename = filename or self.filename
self.header.ngroups = len(self.groups)
self.header.nentries = len(self.entries)
self.header.final_master_seed = get_random_bytes(16)
self.header.encryption_iv = get_random_bytes(16)
self.header.transform_seed = get_random_bytes(32)
header = DBHDR(self.header.encode())
# fixme: should regenerate encryption_iv, master_seed,
# master_seed2 and allow for the number of rounds to change
payload = self.encode_payload()
header.contents_hash = hashlib.sha256(payload).digest()
payload = self.encrypt_payload(payload, self.final_key(),
header.encryption_type(),
header.encryption_iv)
fp = open(outfilename,'w')
fp.write(header.encode())
fp.write(payload)
fp.close()
return
