Fixed #2121 -- added __eq__ and __ne__ to CSRs

2 files changed, 20 insertions, 0 deletions

diff --git a/src/cryptography/hazmat/backends/openssl/x509.py b/src/cryptography/hazmat/backends/openssl/x509.py
index 7bfeb2ce..d49147ad 100644
--- a/src/cryptography/hazmat/backends/openssl/x509.py
+++ b/src/cryptography/hazmat/backends/openssl/x509.py
@@ -701,6 +701,14 @@ class _CertificateSigningRequest(object):
         self._backend = backend
         self._x509_req = x509_req
 
+    def __eq__(self, other):
+        if not isinstance(other, _CertificateSigningRequest):
+            return NotImplemented
+
+        self_bytes = self.public_bytes(serialization.Encoding.DER)
+        other_bytes = other.public_bytes(serialization.Encoding.DER)
+        return self_bytes == other_bytes
+
     def public_key(self):
         pkey = self._backend._lib.X509_REQ_get_pubkey(self._x509_req)
         assert pkey != self._backend._ffi.NULL
diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index afd28f20..b36258a4 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -1391,6 +1391,18 @@ class CertificateRevocationList(object):
 
 @six.add_metaclass(abc.ABCMeta)
 class CertificateSigningRequest(object):
+    @abc.abstracmethod
+    def __eq__(self, other):
+        """
+        Checks equality.
+        """
+
+    @abc.abstractmethod
+    def __ne__(self, other):
+        """
+        Checks not equal.
+        """
+
     @abc.abstractmethod
     def public_key(self):
         """