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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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Legal Notice: Some portions of the source code contained in this file were
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derived from the source code of TrueCrypt 7.1a, which is
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Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
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governed by the TrueCrypt License 3.0, also from the source code of
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Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
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and which is governed by the 'License Agreement for Encryption for the Masses'
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Modifications and additions to the original source code (contained in this file)
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and all other portions of this file are Copyright (c) 2013-2017 IDRIX
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and are governed by the Apache License 2.0 the full text of which is
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contained in the file License.txt included in VeraCrypt binary and source
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code distribution packages. */
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#include "Tcdefs.h"
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#include "Common/Endian.h"
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unsigned __int16 MirrorBytes16 (unsigned __int16 x)
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{
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return (x << 8) | (x >> 8);
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}
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unsigned __int32 MirrorBytes32 (unsigned __int32 x)
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{
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unsigned __int32 n = (unsigned __int8) x;
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n <<= 8; n |= (unsigned __int8) (x >> 8);
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n <<= 8; n |= (unsigned __int8) (x >> 16);
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return (n << 8) | (unsigned __int8) (x >> 24);
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}
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#ifndef TC_NO_COMPILER_INT64
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uint64 MirrorBytes64 (uint64 x)
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{
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uint64 n = (unsigned __int8) x;
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n <<= 8; n |= (unsigned __int8) (x >> 8);
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n <<= 8; n |= (unsigned __int8) (x >> 16);
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n <<= 8; n |= (unsigned __int8) (x >> 24);
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n <<= 8; n |= (unsigned __int8) (x >> 32);
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n <<= 8; n |= (unsigned __int8) (x >> 40);
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n <<= 8; n |= (unsigned __int8) (x >> 48);
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return (n << 8) | (unsigned __int8) (x >> 56);
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}
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#endif
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