From: Sergey Matveev <stargrave@stargrave.org>
Date: Mon, 19 Oct 2020 10:51:19 +0000 (+0300)
Subject: Unify ValueErrors string capitalizing
X-Git-Tag: 5.2~2
X-Git-Url: http://www.git.cypherpunks.ru/?p=pygost.git;a=commitdiff_plain;h=03de94212cd7c039e6a7f4f947fbd2d7d6c9b70e

Unify ValueErrors string capitalizing
---

diff --git a/pygost/gost3410.py b/pygost/gost3410.py
index a2cc7ce..3a47187 100644
--- a/pygost/gost3410.py
+++ b/pygost/gost3410.py
@@ -120,7 +120,7 @@ class GOST3410Curve(object):
         """Compute s/t parameters for twisted Edwards curve points conversion
         """
         if self.e is None or self.d is None:
-            raise ValueError("non twisted Edwards curve")
+            raise ValueError("Non twisted Edwards curve")
         if self._st is not None:
             return self._st
         self._st = (
diff --git a/pygost/mgm.py b/pygost/mgm.py
index 33e297c..340fae6 100644
--- a/pygost/mgm.py
+++ b/pygost/mgm.py
@@ -57,10 +57,10 @@ class MGM(object):
                              (defaults to blocksize if not specified)
         """
         if bs not in (8, 16):
-            raise ValueError("only 64/128-bit blocksizes allowed")
+            raise ValueError("Only 64/128-bit blocksizes allowed")
         self.tag_size = bs if tag_size is None else bs
         if self.tag_size < 4 or self.tag_size > bs:
-            raise ValueError("invalid tag_size")
+            raise ValueError("Invalid tag_size")
         self.encrypter = encrypter
         self.bs = bs
         self.max_size = (1 << (bs * 8 // 2)) - 1
@@ -74,7 +74,7 @@ class MGM(object):
 
     def _validate_sizes(self, plaintext, additional_data):
         if len(plaintext) == 0 and len(additional_data) == 0:
-            raise ValueError("at least one of plaintext or additional_data required")
+            raise ValueError("At least one of plaintext or additional_data required")
         if len(plaintext) + len(additional_data) > self.max_size:
             raise ValueError("plaintext+additional_data are too big")
 
@@ -164,5 +164,5 @@ class MGM(object):
         )
         tag = self._auth(icn, ciphertext, additional_data)
         if not compare_digest(tag_expected, tag):
-            raise ValueError("invalid authentication tag")
+            raise ValueError("Invalid authentication tag")
         return self._crypt(icn, ciphertext)
diff --git a/pygost/wrap.py b/pygost/wrap.py
index 301023e..2ef6f89 100644
--- a/pygost/wrap.py
+++ b/pygost/wrap.py
@@ -143,5 +143,5 @@ def kimp15(encrypter_key, encrypter_mac, bs, kexp, iv):
     key_and_key_mac = ctr(encrypter_key, bs, kexp, iv)
     key, key_mac = key_and_key_mac[:-bs], key_and_key_mac[-bs:]
     if not compare_digest(mac(encrypter_mac, bs, iv + key), key_mac):
-        raise ValueError("invalid authentication tag")
+        raise ValueError("Invalid authentication tag")
     return key