VeraCrypt
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+/*
+ zip_crypto.h -- crypto definitions
+ 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.
+*/
+
+#ifndef HAD_ZIP_CRYPTO_H
+#define HAD_ZIP_CRYPTO_H
+
+#define ZIP_CRYPTO_SHA1_LENGTH 20
+#define ZIP_CRYPTO_AES_BLOCK_LENGTH 16
+
+#if defined(HAVE_WINDOWS_CRYPTO)
+#include "zip_crypto_win.h"
+#elif defined(HAVE_COMMONCRYPTO)
+#include "zip_crypto_commoncrypto.h"
+#elif defined(HAVE_GNUTLS)
+#include "zip_crypto_gnutls.h"
+#elif defined(HAVE_OPENSSL)
+#include "zip_crypto_openssl.h"
+#elif defined(HAVE_MBEDTLS)
+#include "zip_crypto_mbedtls.h"
+#else
+#error "no crypto backend found"
+#endif
+
+#endif /* HAD_ZIP_CRYPTO_H */