23 lines
1.1 KiB
Diff
23 lines
1.1 KiB
Diff
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From 076560a9507bbe26180f499adf750bc3851b97e8 Mon Sep 17 00:00:00 2001
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From: Alex Gaynor <alex.gaynor@gmail.com>
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Date: Mon, 11 Oct 2021 09:43:28 -0400
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Subject: [PATCH] Specify the out length when obtaining the tag for poly1305
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---
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src/cryptography/hazmat/backends/openssl/poly1305.py | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/cryptography/hazmat/backends/openssl/poly1305.py b/src/cryptography/hazmat/backends/openssl/poly1305.py
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index 35f6819ce8..2ddae9847a 100644
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--- a/src/cryptography/hazmat/backends/openssl/poly1305.py
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+++ b/src/cryptography/hazmat/backends/openssl/poly1305.py
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@@ -51,7 +51,7 @@ def update(self, data):
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def finalize(self):
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buf = self._backend._ffi.new("unsigned char[]", _POLY1305_TAG_SIZE)
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- outlen = self._backend._ffi.new("size_t *")
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+ outlen = self._backend._ffi.new("size_t *", _POLY1305_TAG_SIZE)
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res = self._backend._lib.EVP_DigestSignFinal(self._ctx, buf, outlen)
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self._backend.openssl_assert(res != 0)
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self._backend.openssl_assert(outlen[0] == _POLY1305_TAG_SIZE)
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