Raise exception if no encryption type is specified

jacques · Jan 18, 2022 · e6f1a34 · e6f1a34
1 parent 01c5b23
commit e6f1a34
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/msoffcrypto/format/xls97.py b/msoffcrypto/format/xls97.py
@@ -586,6 +586,8 @@ def decrypt(self, ofile):
  dec = DocumentRC4.decrypt(self.key, self.salt, encrypted_buf, blocksize=1024)
  elif self.type == "rc4_cryptoapi":
  dec = DocumentRC4CryptoAPI.decrypt(self.key, self.salt, self.keySize, encrypted_buf, blocksize=1024)
+ else:
+ raise exceptions.DecryptionError("Unsupported encryption method")
 
  for c in plain_buf:
  if c == -1: