def decryptWithHash(self, pwdhash):
"""Decrypts this credhist entry with the given user's password hash.
Simply computes the encryption key with the given hash then calls
self.decryptWithKey() to finish the decryption.
"""
self.decryptWithKey(crypto.derivePwdHash(pwdhash, str(self.userSID)))
def decryptWithPassword(self, userSID, pwd):
"""Decrypts the masterkey with the given user's password and SID.
Simply computes the corresponding key, then calls self.decryptWithKey()
"""
for algo in ["sha1", "md4"]:
self.decryptWithKey(
crypto.derivePwdHash(
hashlib.new(algo, pwd.encode("UTF-16LE")).digest(),
userSID))
if self.decrypted:
break
def decryptWithHash(self, userSID, pwdhash):
"""Decrypts the masterkey with the given user's hash and SID.
Simply computes the corresponding key then calls self.decryptWithKey()
"""
self.decryptWithKey(crypto.derivePwdHash(pwdhash, userSID))