Fixed syntax of exceptions to python3 compatibility

[oss/ctypescrypto.git] / ctypescrypto / cipher.py

diff --git a/ctypescrypto/cipher.py b/ctypescrypto/cipher.py
index c2053e988354574d299e0bd1c36e6cf98c7ff701..367f2b937767a742d2a74b7cc1d2d501a303a722 100644 (file)
--- a/ctypescrypto/cipher.py
+++ b/ctypescrypto/cipher.py
@@ -42,7 +42,7 @@ class CipherType:
                """
                self.cipher = libcrypto.EVP_get_cipherbyname(cipher_name)
                if self.cipher is None:
-                       raise CipherError, "Unknown cipher: %s" % cipher_name
+                       raise CipherError("Unknown cipher: %s" % cipher_name)
 
        def __del__(self):
                pass
@@ -113,7 +113,7 @@ class Cipher:
                iv_ptr = c_char_p(iv)
                self.ctx = libcrypto.EVP_CIPHER_CTX_new()
                if self.ctx == 0:
-                       raise CipherError, "Unable to create cipher context"
+                       raise CipherError("Unable to create cipher context")
                self.encrypt = encrypt
                if encrypt: 
                        enc = 1
@@ -137,7 +137,7 @@ class Cipher:
                        result = libcrypto.EVP_CipherInit_ex(self.ctx, cipher_type.cipher, None, key_ptr, iv_ptr, c_int(enc))
                if result == 0:
                        self._clean_ctx()
-                       raise CipherError, "Unable to initialize cipher"
+                       raise CipherError("Unable to initialize cipher")
                self.cipher_type = cipher_type
                self.block_size = self.cipher_type.block_size()
                self.cipher_finalized = False
@@ -168,9 +168,9 @@ class Cipher:
                        called
                """
                if self.cipher_finalized :
-                       raise CipherError, "No updates allowed"
+                       raise CipherError("No updates allowed")
                if type(data) != type(""):
-                       raise TypeError, "A string is expected"
+                       raise TypeError("A string is expected")
                if len(data) <= 0:
                        return ""
                outbuf=create_string_buffer(self.block_size+len(data))
@@ -190,14 +190,14 @@ class Cipher:
                        state, they would be processed and returned.
                """
                if self.cipher_finalized :
-                       raise CipherError, "Cipher operation is already completed"
+                       raise CipherError("Cipher operation is already completed")
                outbuf=create_string_buffer(self.block_size)
                self.cipher_finalized = True
                outlen=c_int(0)
                result = libcrypto.EVP_CipherFinal_ex(self.ctx,outbuf , byref(outlen))
                if result == 0:
                        self._clean_ctx()
-                       raise CipherError, "Unable to finalize cipher"
+                       raise CipherError("Unable to finalize cipher")
                if outlen.value>0:
                        return outbuf.raw[:outlen.value]
                else: