switch to using pyasn1_modules for the test

4 files changed, 17 insertions, 15 deletions

diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2c0ca18c..f6eec132 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,4 +1,3 @@
-asn1crypto
 coverage
 flake8
 flake8-import-order
@@ -6,6 +5,7 @@ invoke
 iso8601
 pep8-naming
 pretend
+pyasn1_modules
 pytest
 requests
 sphinx
diff --git a/setup.py b/setup.py
index d54afc02..19f1e663 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@ test_requirements = [
     "pretend",
     "iso8601",
     "hypothesis",
-    "asn1crypto",
+    "pyasn1_modules",
 ]
 
 # If there's no vectors locally that probably means we are in a tarball and
diff --git a/tests/test_x509.py b/tests/test_x509.py
index 1fa4d82a..79424752 100644
--- a/tests/test_x509.py
+++ b/tests/test_x509.py
@@ -9,7 +9,9 @@ import datetime
 import ipaddress
 import os
 
-from asn1crypto import core, x509 as asn1cryptox509
+from pyasn1.codec.der import decoder
+
+from pyasn1_modules import rfc2459
 
 import pytest
 
@@ -861,17 +863,17 @@ class TestRSACertificateRequest(object):
 
         cert = builder.sign(issuer_private_key, hashes.SHA256(), backend)
 
-        parsedasn1 = asn1cryptox509.Certificate.load(
-            cert.public_bytes(serialization.Encoding.DER)
-        )
-        assert isinstance(
-            parsedasn1.subject.chosen[0][0]['value'].chosen,
-            core.PrintableString
-        )
-        assert isinstance(
-            parsedasn1.subject.chosen[1][0]['value'].chosen,
-            core.UTF8String
-        )
+        parsed, _ = decoder.decode(
+            cert.public_bytes(serialization.Encoding.DER),
+            asn1Spec=rfc2459.Certificate()
+        )
+        tbs_cert = parsed.getComponentByName('tbsCertificate')
+        subject = tbs_cert.getComponentByName('subject')
+        issuer = tbs_cert.getComponentByName('issuer')
+        # \x13 is printable string. The first byte of the value of the
+        # node corresponds to the ASN.1 string type.
+        assert str(subject[0][0][0][1])[0] == "\x13"
+        assert str(issuer[0][0][0][1])[0] == "\x13"
 
 
 class TestCertificateBuilder(object):
diff --git a/tox.ini b/tox.ini
index 820eccf3..35dc5671 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ deps =
     pretend
     pytest
     hypothesis>=1.11.4
-    asn1crypto
+    pyasn1_modules
     ./vectors
 passenv = ARCHFLAGS LDFLAGS CFLAGS INCLUDE LIB LD_LIBRARY_PATH USERNAME
 commands =