From 1fc4168b81f565feab409b92ccb61c57a1c550eb Mon Sep 17 00:00:00 2001
From: DLL125 <134442578+DLL125@users.noreply.github.com>
Date: Thu, 25 May 2023 12:52:53 +0200
Subject: Update Libzip to latest 1.9.2 (#1071)

* Libzip 1.9.2

Updated Libzip to latest version 1.9.2 and changed version number in the config.h from 1.7.3 to 1.9.2. Not sure if anything else needs to be tweaked :)

* Modified Libzip to work with Visual studio

* Update README.md

Update libzip copyright.

* Added the missing files.

I've added the missing files zipconf.h and config.h, I've missed those sorry for that!
---
 src/Common/libzip/zip_random_uwp.c | 81 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 src/Common/libzip/zip_random_uwp.c

(limited to 'src/Common/libzip/zip_random_uwp.c')

diff --git a/src/Common/libzip/zip_random_uwp.c b/src/Common/libzip/zip_random_uwp.c
new file mode 100644
index 00000000..9f842b99
--- /dev/null
+++ b/src/Common/libzip/zip_random_uwp.c
@@ -0,0 +1,81 @@
+/*
+  zip_random_uwp.c -- fill the user's buffer with random stuff (UWP version)
+  Copyright (C) 2017-2021 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <info@libzip.org>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in
+     the documentation and/or other materials provided with the
+     distribution.
+  3. The names of the authors may not be used to endorse or promote
+     products derived from this software without specific prior
+     written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "zipint.h"
+
+#ifdef HAVE_CRYPTO
+#include "zip_crypto.h"
+#endif
+
+#ifndef HAVE_SECURE_RANDOM
+
+#include <windows.h>
+#include <bcrypt.h>
+
+ZIP_EXTERN bool
+zip_secure_random(zip_uint8_t *buffer, zip_uint16_t length) {
+    BCRYPT_ALG_HANDLE hAlg = NULL;
+    NTSTATUS hr = BCryptOpenAlgorithmProvider(&hAlg, BCRYPT_RNG_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0);
+    if (!BCRYPT_SUCCESS(hr) || hAlg == NULL) {
+        return false;
+    }
+    hr = BCryptGenRandom(&hAlg, buffer, length, 0);
+    BCryptCloseAlgorithmProvider(&hAlg, 0);
+    if (!BCRYPT_SUCCESS(hr)) {
+        return false;
+    }
+    return true;
+}
+
+#endif
+
+#ifndef HAVE_RANDOM_UINT32
+#include <stdlib.h>
+
+zip_uint32_t
+zip_random_uint32(void) {
+    static bool seeded = false;
+
+    zip_uint32_t value;
+
+    if (zip_secure_random((zip_uint8_t *)&value, sizeof(value))) {
+        return value;
+    }
+
+    if (!seeded) {
+        srand((unsigned int)time(NULL));
+    }
+
+    return (zip_uint32_t)rand();
+}
+#endif
-- 
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