doc/INSTALL             |  2 +-
 doc/NEWS                |  4 ++++
 pygost/__init__.py      |  2 +-
 pygost/gost3410.py      | 30 +++++++++++++++++-------------
 pygost/test_gost3410.py |  6 ++++++
 setup.py                |  2 +-

diff --git a/doc/INSTALL b/doc/INSTALL
index d8bf8e9b34366cf9a09cf8611df8154199fe95f4dcf5b5e71830f8b01ad5553a..abd491ba2b16b028ac3ab091273b5d11c42a05a6cce65b879f1bb97bc9901876 100644
--- a/doc/INSTALL
+++ b/doc/INSTALL
@@ -2,7 +2,7 @@ No additional dependencies except Python 3.x interpreter are required.
 
 Preferable way is to [Download] tarball with the signature:
 
-    $ v=6.2
+    $ v=6.3
     $ fetch http://www.pygost.stargrave.org/pygost-$v.tar.zst
     $ fetch http://www.pygost.stargrave.org/pygost-$v.tar.zst.sig
     [Integrity] verify
diff --git a/doc/NEWS b/doc/NEWS
index 5b6d52cbb1ae0d8d151d7ea051c615b555574dfa57946c0f47884475f14e6f36..50ed2de634a28391f37c13c3e3b0569dd12908ac3c8089106c4c2a1053c30164 100644
--- a/doc/NEWS
+++ b/doc/NEWS
@@ -1,3 +1,7 @@
+A 6.3
+6.3
+    * Fixed curve names. Previously they may contain aliases names.
+
 A 6.2
 6.2
     * Fixed library's version number.
diff --git a/pygost/__init__.py b/pygost/__init__.py
index 3840e57f8a0d9ac381bb91a7bfdec3a96d27a101f0581083c22c24ec23e55ee4..782b2d5b2b5e72a89eff4940c2207339e91130816b9a80b945507e8db58f865d 100644
--- a/pygost/__init__.py
+++ b/pygost/__init__.py
@@ -3,4 +3,4 @@
 PyGOST is free software: see the file COPYING for copying conditions.
 """
 
-__version__ = "6.2"
+__version__ = "6.3"
diff --git a/pygost/gost3410.py b/pygost/gost3410.py
index 601c91d1d41463f6b0ab0c975d553896fd6c6b9cc282bb06b7dfd17fce0cd561..b0a7873c835d59a3e45e6db614e436ceb527bdf640c7042e84fbde551e1d762f 100644
--- a/pygost/gost3410.py
+++ b/pygost/gost3410.py
@@ -20,6 +20,7 @@ 34.10-2012 (:rfc:`7091`). The difference between 2001 and 2012 is the
 key, digest and signature lengths.
 """
 
+from copy import copy as _copy
 from os import urandom
 from typing import Tuple
 
@@ -235,19 +236,22 @@         e=0x01,
         d=int.from_bytes(bytes.fromhex("9E4F5D8C017D8D9F13A5CF3CDF5BFE4DAB402D54198E31EBDE28A0621050439CA6B39E0A515C06B304E2CE43E79E369E91A0CFC2BC2A22B4CA302DBB33EE7550"), "big"),
     ),
 }
-CURVES["id-GostR3410-2001-CryptoPro-A-ParamSet"] = CURVES["id-tc26-gost-3410-12-256-paramSetB"]
-CURVES["id-GostR3410-2001-CryptoPro-B-ParamSet"] = CURVES["id-tc26-gost-3410-12-256-paramSetC"]
-CURVES["id-GostR3410-2001-CryptoPro-C-ParamSet"] = CURVES["id-tc26-gost-3410-12-256-paramSetD"]
-CURVES["id-GostR3410-2001-CryptoPro-XchA-ParamSet"] = CURVES["id-GostR3410-2001-CryptoPro-A-ParamSet"]
-CURVES["id-GostR3410-2001-CryptoPro-XchB-ParamSet"] = CURVES["id-GostR3410-2001-CryptoPro-C-ParamSet"]
-CURVES["id-tc26-gost-3410-2012-256-paramSetA"] = CURVES["id-tc26-gost-3410-12-256-paramSetA"]
-CURVES["id-tc26-gost-3410-2012-256-paramSetB"] = CURVES["id-tc26-gost-3410-12-256-paramSetB"]
-CURVES["id-tc26-gost-3410-2012-256-paramSetC"] = CURVES["id-tc26-gost-3410-12-256-paramSetC"]
-CURVES["id-tc26-gost-3410-2012-256-paramSetD"] = CURVES["id-tc26-gost-3410-12-256-paramSetD"]
-CURVES["id-tc26-gost-3410-2012-512-paramSetTest"] = CURVES["id-tc26-gost-3410-12-512-paramSetTest"]
-CURVES["id-tc26-gost-3410-2012-512-paramSetA"] = CURVES["id-tc26-gost-3410-12-512-paramSetA"]
-CURVES["id-tc26-gost-3410-2012-512-paramSetB"] = CURVES["id-tc26-gost-3410-12-512-paramSetB"]
-CURVES["id-tc26-gost-3410-2012-512-paramSetC"] = CURVES["id-tc26-gost-3410-12-512-paramSetC"]
+for alias, target in (
+    ("id-GostR3410-2001-CryptoPro-A-ParamSet", "id-tc26-gost-3410-12-256-paramSetB"),
+    ("id-GostR3410-2001-CryptoPro-B-ParamSet", "id-tc26-gost-3410-12-256-paramSetC"),
+    ("id-GostR3410-2001-CryptoPro-C-ParamSet", "id-tc26-gost-3410-12-256-paramSetD"),
+    ("id-GostR3410-2001-CryptoPro-XchA-ParamSet", "id-GostR3410-2001-CryptoPro-A-ParamSet"),
+    ("id-GostR3410-2001-CryptoPro-XchB-ParamSet", "id-GostR3410-2001-CryptoPro-C-ParamSet"),
+    ("id-tc26-gost-3410-2012-256-paramSetA", "id-tc26-gost-3410-12-256-paramSetA"),
+    ("id-tc26-gost-3410-2012-256-paramSetB", "id-tc26-gost-3410-12-256-paramSetB"),
+    ("id-tc26-gost-3410-2012-256-paramSetC", "id-tc26-gost-3410-12-256-paramSetC"),
+    ("id-tc26-gost-3410-2012-256-paramSetD", "id-tc26-gost-3410-12-256-paramSetD"),
+    ("id-tc26-gost-3410-2012-512-paramSetTest", "id-tc26-gost-3410-12-512-paramSetTest"),
+    ("id-tc26-gost-3410-2012-512-paramSetA", "id-tc26-gost-3410-12-512-paramSetA"),
+    ("id-tc26-gost-3410-2012-512-paramSetB", "id-tc26-gost-3410-12-512-paramSetB"),
+    ("id-tc26-gost-3410-2012-512-paramSetC", "id-tc26-gost-3410-12-512-paramSetC"),
+):
+    CURVES[alias] = _copy(CURVES[target])
 for _name, _curve in CURVES.items():
     _curve.name = _name
 DEFAULT_CURVE = CURVES["id-tc26-gost-3410-12-256-paramSetB"]
diff --git a/pygost/test_gost3410.py b/pygost/test_gost3410.py
index af78418c3d510eba4db5271db37c04136f0f0b6075fef43aeec20102e8a68037..bde4427501ffc7e533b109085e0d532b747a4963eb528f6a65027b0d5143e9fa 100644
--- a/pygost/test_gost3410.py
+++ b/pygost/test_gost3410.py
@@ -489,3 +489,9 @@                 0xB7C5818687083433BC1AFF61CB5CA79E38232025E0C1F123B8651E62173CE6873F3E6FFE7281C2E45F4F524F66B0C263616ED08FD210AC4355CA3292B51D71C3,
                 0x497F14205DBDC89BDDAF50520ED3B1429AD30777310186BE5E68070F016A44E0C766DB08E8AC23FBDFDE6D675AA4DF591EB18BA0D348DF7AA40973A2F1DCFA55,
             ),
         )
+
+
+class TestNames(TestCase):
+    def runTest(self):
+        for name, curve in CURVES.items():
+            self.assertEqual(name, curve.name)
diff --git a/setup.py b/setup.py
index 01249df9e9072c94c9f3b6fec1f1b253f3254acf24b2012d8ceb7122163012f7..70ae1c86d1e882fd658273a4ad3c06b7dd8d4b3c7c923f0ae94a740eae071ca8 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup
 
 setup(
     name="pygost",
-    version="6.2",
+    version="6.3",
     description="Pure Python GOST cryptographic functions library",
     long_description=open("README", "rb").read().decode("utf-8"),
     author="Sergey Matveev",