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Updated exceptions

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This commit is contained in:
Mark Qvist 2023-10-24 01:39:25 +02:00
parent 0dc78241ac
commit 9f425c2e8d
1 changed files with 6 additions and 6 deletions
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12
RNS/Cryptography/Fernet.py
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@ -45,10 +45,10 @@ class Fernet():
def __init__(self, key = None):
if key == None:
raise ValueError("Fernet key cannot be None")
raise ValueError("Token key cannot be None")
if len(key) != 32:
raise ValueError("Fernet key must be 32 bytes, not "+str(len(key)))
raise ValueError("Token key must be 32 bytes, not "+str(len(key)))
self._signing_key = key[:16]
self._encryption_key = key[16:]
@ -72,7 +72,7 @@ class Fernet():
current_time = int(time.time())
if not isinstance(data, bytes):
raise TypeError("Fernet token plaintext input must be bytes")
raise TypeError("Token plaintext input must be bytes")
ciphertext = AES_128_CBC.encrypt(
plaintext = PKCS7.pad(data),
@ -87,10 +87,10 @@ class Fernet():
def decrypt(self, token = None):
if not isinstance(token, bytes):
raise TypeError("Fernet token must be bytes")
raise TypeError("Token must be bytes")
if not self.verify_hmac(token):
raise ValueError("Fernet token HMAC was invalid")
raise ValueError("Token HMAC was invalid")
iv = token[:16]
ciphertext = token[16:-32]
@ -107,4 +107,4 @@ class Fernet():
return plaintext
except Exception as e:
raise ValueError("Could not decrypt Fernet token")
raise ValueError("Could not decrypt token")