change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/include/crypto/pkcs7.h
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@@ -1,18 +1,15 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /* PKCS#7 crypto data parser
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  *
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  * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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  * Written by David Howells (dhowells@redhat.com)
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public Licence
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- * as published by the Free Software Foundation; either version
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- * 2 of the Licence, or (at your option) any later version.
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  */
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 #ifndef _CRYPTO_PKCS7_H
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 #define _CRYPTO_PKCS7_H
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 #include <linux/verification.h>
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+#include <linux/hash_info.h>
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 #include <crypto/public_key.h>
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 struct key;
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@@ -44,4 +41,7 @@
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 extern int pkcs7_supply_detached_data(struct pkcs7_message *pkcs7,
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 				      const void *data, size_t datalen);
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+extern int pkcs7_get_digest(struct pkcs7_message *pkcs7, const u8 **buf,
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+			    u32 *len, enum hash_algo *hash_algo);
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+
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 #endif /* _CRYPTO_PKCS7_H */