- added openssl3.0.1 patch

[packages/python-cryptography.git] / python-cryptography-openssl3.0.1.patch

https://github.com/pyca/cryptography/pull/6403

From 076560a9507bbe26180f499adf750bc3851b97e8 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Mon, 11 Oct 2021 09:43:28 -0400
Subject: [PATCH] Specify the out length when obtaining the tag for poly1305

---
 src/cryptography/hazmat/backends/openssl/poly1305.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cryptography/hazmat/backends/openssl/poly1305.py b/src/cryptography/hazmat/backends/openssl/poly1305.py
index 35f6819ce87..2ddae9847a4 100644
--- a/src/cryptography/hazmat/backends/openssl/poly1305.py
+++ b/src/cryptography/hazmat/backends/openssl/poly1305.py
@@ -51,7 +51,7 @@ def update(self, data):
 
     def finalize(self):
         buf = self._backend._ffi.new("unsigned char[]", _POLY1305_TAG_SIZE)
-        outlen = self._backend._ffi.new("size_t *")
+        outlen = self._backend._ffi.new("size_t *", _POLY1305_TAG_SIZE)
         res = self._backend._lib.EVP_DigestSignFinal(self._ctx, buf, outlen)
         self._backend.openssl_assert(res != 0)
         self._backend.openssl_assert(outlen[0] == _POLY1305_TAG_SIZE)