Add generic error classes for saml2.cryptography modules

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

src/saml2/cryptography/errors.py

@@ -0,0 +1,17 @@
+from saml2 import Error
+
+
+class CryptographyError(Error):
+    """Generic error from saml2.cryptography modules"""
+
+
+class SymmetricCryptographyError(CryptographyError):
+    """Generic error from saml2.cryptography.symmetric modules"""
+
+
+class AsymmetricCryptographyError(CryptographyError):
+    """Generic error from saml2.cryptography.asymmetric modules"""
+
+
+class PKICryptographyError(CryptographyError):
+    """Generic error from saml2.cryptography.pki modules"""