diff options
Diffstat (limited to 'frozen_deps/Cryptodome/Cipher/_mode_eax.py')
| -rw-r--r-- | frozen_deps/Cryptodome/Cipher/_mode_eax.py | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/frozen_deps/Cryptodome/Cipher/_mode_eax.py b/frozen_deps/Cryptodome/Cipher/_mode_eax.py index 8efb77a..44ef21f 100644 --- a/frozen_deps/Cryptodome/Cipher/_mode_eax.py +++ b/frozen_deps/Cryptodome/Cipher/_mode_eax.py @@ -90,12 +90,12 @@ class EaxMode(object): self._mac_tag = None # Cache for MAC tag # Allowed transitions after initialization - self._next = [self.update, self.encrypt, self.decrypt, - self.digest, self.verify] + self._next = ["update", "encrypt", "decrypt", + "digest", "verify"] # MAC tag length - if not (4 <= self._mac_len <= self.block_size): - raise ValueError("Parameter 'mac_len' must not be larger than %d" + if not (2 <= self._mac_len <= self.block_size): + raise ValueError("'mac_len' must be at least 2 and not larger than %d" % self.block_size) # Nonce cannot be empty and must be a byte string @@ -145,12 +145,12 @@ class EaxMode(object): A piece of associated data. There are no restrictions on its size. """ - if self.update not in self._next: + if "update" not in self._next: raise TypeError("update() can only be called" " immediately after initialization") - self._next = [self.update, self.encrypt, self.decrypt, - self.digest, self.verify] + self._next = ["update", "encrypt", "decrypt", + "digest", "verify"] self._signer.update(assoc_data) return self @@ -188,10 +188,10 @@ class EaxMode(object): Otherwise, ``None``. """ - if self.encrypt not in self._next: + if "encrypt" not in self._next: raise TypeError("encrypt() can only be called after" " initialization or an update()") - self._next = [self.encrypt, self.digest] + self._next = ["encrypt", "digest"] ct = self._cipher.encrypt(plaintext, output=output) if output is None: self._omac[2].update(ct) @@ -232,10 +232,10 @@ class EaxMode(object): Otherwise, ``None``. """ - if self.decrypt not in self._next: + if "decrypt" not in self._next: raise TypeError("decrypt() can only be called" " after initialization or an update()") - self._next = [self.decrypt, self.verify] + self._next = ["decrypt", "verify"] self._omac[2].update(ciphertext) return self._cipher.decrypt(ciphertext, output=output) @@ -250,10 +250,10 @@ class EaxMode(object): :Return: the MAC, as a byte string. """ - if self.digest not in self._next: + if "digest" not in self._next: raise TypeError("digest() cannot be called when decrypting" " or validating a message") - self._next = [self.digest] + self._next = ["digest"] if not self._mac_tag: tag = b'\x00' * self.block_size @@ -289,10 +289,10 @@ class EaxMode(object): or the key is incorrect. """ - if self.verify not in self._next: + if "verify" not in self._next: raise TypeError("verify() cannot be called" " when encrypting a message") - self._next = [self.verify] + self._next = ["verify"] if not self._mac_tag: tag = b'\x00' * self.block_size |