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authorPaul Kehrer <paul.l.kehrer@gmail.com>2015-03-03 08:54:38 -0600
committerPaul Kehrer <paul.l.kehrer@gmail.com>2015-03-03 08:54:38 -0600
commit900657823720f377f81825d0190b5bf64780982b (patch)
tree261c57315bc74e9e54f937a1333a620b9d5b9705 /src
parent93638b43a8755850178fb8fa645b62686a39fc19 (diff)
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simplify our DSA parameter copying
Diffstat (limited to 'src')
-rw-r--r--src/cryptography/hazmat/backends/openssl/backend.py5
-rw-r--r--src/cryptography/hazmat/bindings/openssl/dsa.py2
2 files changed, 3 insertions, 4 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py
index de653032..c807b629 100644
--- a/src/cryptography/hazmat/backends/openssl/backend.py
+++ b/src/cryptography/hazmat/backends/openssl/backend.py
@@ -602,12 +602,9 @@ class Backend(object):
return _DSAParameters(self, ctx)
def generate_dsa_private_key(self, parameters):
- ctx = self._lib.DSA_new()
+ ctx = self._lib.DSAparams_dup(parameters._dsa_cdata)
assert ctx != self._ffi.NULL
ctx = self._ffi.gc(ctx, self._lib.DSA_free)
- ctx.p = self._lib.BN_dup(parameters._dsa_cdata.p)
- ctx.q = self._lib.BN_dup(parameters._dsa_cdata.q)
- ctx.g = self._lib.BN_dup(parameters._dsa_cdata.g)
self._lib.DSA_generate_key(ctx)
diff --git a/src/cryptography/hazmat/bindings/openssl/dsa.py b/src/cryptography/hazmat/bindings/openssl/dsa.py
index 99a685df..4261d4bd 100644
--- a/src/cryptography/hazmat/bindings/openssl/dsa.py
+++ b/src/cryptography/hazmat/bindings/openssl/dsa.py
@@ -48,6 +48,8 @@ int DSA_verify(int, const unsigned char *, int, const unsigned char *, int,
MACROS = """
int DSA_generate_parameters_ex(DSA *, int, unsigned char *, int,
int *, unsigned long *, BN_GENCB *);
+// This is a macro in OpenSSL < 1.0.0
+DSA *DSAparams_dup(DSA *);
"""
CUSTOMIZATIONS = """