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@@ -0,0 +1,930 @@
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+#include "stdafx.h"
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+#include "des.h"
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+#include <string.h>
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+#include "Base64.h"
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+#include "CharEncoding.h"
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+
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+static unsigned char deskey[9] = "moka/psw";
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+//static const unsigned char desiv[9] = "WorkbyIT";
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+
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+// 32-bit integer manipulation macros (big endian)
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+#ifndef GET_ULONG_BE
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+#define GET_ULONG_BE(n,b,i) \
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+{ \
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+ (n) = ( (unsigned long) (b)[(i)] << 24 ) \
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+ | ( (unsigned long) (b)[(i) + 1] << 16 ) \
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+ | ( (unsigned long) (b)[(i) + 2] << 8 ) \
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+ | ( (unsigned long) (b)[(i) + 3] ); \
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+}
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+#endif
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+
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+#ifndef PUT_ULONG_BE
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+#define PUT_ULONG_BE(n,b,i) \
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+{ \
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+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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+ (b)[(i) + 3] = (unsigned char) ( (n) ); \
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+}
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+#endif
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+
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+//Expanded DES S-boxes
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+static const unsigned long SB1[64] =
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+{
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+ 0x01010400, 0x00000000, 0x00010000, 0x01010404,
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+ 0x01010004, 0x00010404, 0x00000004, 0x00010000,
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+ 0x00000400, 0x01010400, 0x01010404, 0x00000400,
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+ 0x01000404, 0x01010004, 0x01000000, 0x00000004,
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+ 0x00000404, 0x01000400, 0x01000400, 0x00010400,
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+ 0x00010400, 0x01010000, 0x01010000, 0x01000404,
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+ 0x00010004, 0x01000004, 0x01000004, 0x00010004,
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+ 0x00000000, 0x00000404, 0x00010404, 0x01000000,
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+ 0x00010000, 0x01010404, 0x00000004, 0x01010000,
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+ 0x01010400, 0x01000000, 0x01000000, 0x00000400,
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+ 0x01010004, 0x00010000, 0x00010400, 0x01000004,
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+ 0x00000400, 0x00000004, 0x01000404, 0x00010404,
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+ 0x01010404, 0x00010004, 0x01010000, 0x01000404,
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+ 0x01000004, 0x00000404, 0x00010404, 0x01010400,
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+ 0x00000404, 0x01000400, 0x01000400, 0x00000000,
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+ 0x00010004, 0x00010400, 0x00000000, 0x01010004
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+};
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+
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+static const unsigned long SB2[64] =
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+{
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+ 0x80108020, 0x80008000, 0x00008000, 0x00108020,
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+ 0x00100000, 0x00000020, 0x80100020, 0x80008020,
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+ 0x80000020, 0x80108020, 0x80108000, 0x80000000,
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+ 0x80008000, 0x00100000, 0x00000020, 0x80100020,
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+ 0x00108000, 0x00100020, 0x80008020, 0x00000000,
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+ 0x80000000, 0x00008000, 0x00108020, 0x80100000,
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+ 0x00100020, 0x80000020, 0x00000000, 0x00108000,
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+ 0x00008020, 0x80108000, 0x80100000, 0x00008020,
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+ 0x00000000, 0x00108020, 0x80100020, 0x00100000,
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+ 0x80008020, 0x80100000, 0x80108000, 0x00008000,
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+ 0x80100000, 0x80008000, 0x00000020, 0x80108020,
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+ 0x00108020, 0x00000020, 0x00008000, 0x80000000,
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+ 0x00008020, 0x80108000, 0x00100000, 0x80000020,
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+ 0x00100020, 0x80008020, 0x80000020, 0x00100020,
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+ 0x00108000, 0x00000000, 0x80008000, 0x00008020,
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+ 0x80000000, 0x80100020, 0x80108020, 0x00108000
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+};
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+
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+static const unsigned long SB3[64] =
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+{
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+ 0x00000208, 0x08020200, 0x00000000, 0x08020008,
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+ 0x08000200, 0x00000000, 0x00020208, 0x08000200,
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+ 0x00020008, 0x08000008, 0x08000008, 0x00020000,
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+ 0x08020208, 0x00020008, 0x08020000, 0x00000208,
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+ 0x08000000, 0x00000008, 0x08020200, 0x00000200,
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+ 0x00020200, 0x08020000, 0x08020008, 0x00020208,
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+ 0x08000208, 0x00020200, 0x00020000, 0x08000208,
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+ 0x00000008, 0x08020208, 0x00000200, 0x08000000,
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+ 0x08020200, 0x08000000, 0x00020008, 0x00000208,
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+ 0x00020000, 0x08020200, 0x08000200, 0x00000000,
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+ 0x00000200, 0x00020008, 0x08020208, 0x08000200,
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+ 0x08000008, 0x00000200, 0x00000000, 0x08020008,
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+ 0x08000208, 0x00020000, 0x08000000, 0x08020208,
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+ 0x00000008, 0x00020208, 0x00020200, 0x08000008,
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+ 0x08020000, 0x08000208, 0x00000208, 0x08020000,
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+ 0x00020208, 0x00000008, 0x08020008, 0x00020200
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+};
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+
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+static const unsigned long SB4[64] =
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+{
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+ 0x00802001, 0x00002081, 0x00002081, 0x00000080,
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+ 0x00802080, 0x00800081, 0x00800001, 0x00002001,
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+ 0x00000000, 0x00802000, 0x00802000, 0x00802081,
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+ 0x00000081, 0x00000000, 0x00800080, 0x00800001,
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+ 0x00000001, 0x00002000, 0x00800000, 0x00802001,
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+ 0x00000080, 0x00800000, 0x00002001, 0x00002080,
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+ 0x00800081, 0x00000001, 0x00002080, 0x00800080,
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+ 0x00002000, 0x00802080, 0x00802081, 0x00000081,
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+ 0x00800080, 0x00800001, 0x00802000, 0x00802081,
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+ 0x00000081, 0x00000000, 0x00000000, 0x00802000,
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+ 0x00002080, 0x00800080, 0x00800081, 0x00000001,
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+ 0x00802001, 0x00002081, 0x00002081, 0x00000080,
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+ 0x00802081, 0x00000081, 0x00000001, 0x00002000,
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+ 0x00800001, 0x00002001, 0x00802080, 0x00800081,
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+ 0x00002001, 0x00002080, 0x00800000, 0x00802001,
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+ 0x00000080, 0x00800000, 0x00002000, 0x00802080
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+};
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+
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+static const unsigned long SB5[64] =
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+{
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+ 0x00000100, 0x02080100, 0x02080000, 0x42000100,
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+ 0x00080000, 0x00000100, 0x40000000, 0x02080000,
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+ 0x40080100, 0x00080000, 0x02000100, 0x40080100,
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+ 0x42000100, 0x42080000, 0x00080100, 0x40000000,
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+ 0x02000000, 0x40080000, 0x40080000, 0x00000000,
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+ 0x40000100, 0x42080100, 0x42080100, 0x02000100,
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+ 0x42080000, 0x40000100, 0x00000000, 0x42000000,
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+ 0x02080100, 0x02000000, 0x42000000, 0x00080100,
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+ 0x00080000, 0x42000100, 0x00000100, 0x02000000,
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+ 0x40000000, 0x02080000, 0x42000100, 0x40080100,
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+ 0x02000100, 0x40000000, 0x42080000, 0x02080100,
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+ 0x40080100, 0x00000100, 0x02000000, 0x42080000,
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+ 0x42080100, 0x00080100, 0x42000000, 0x42080100,
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+ 0x02080000, 0x00000000, 0x40080000, 0x42000000,
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+ 0x00080100, 0x02000100, 0x40000100, 0x00080000,
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+ 0x00000000, 0x40080000, 0x02080100, 0x40000100
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+};
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+
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+static const unsigned long SB6[64] =
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+{
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+ 0x20000010, 0x20400000, 0x00004000, 0x20404010,
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+ 0x20400000, 0x00000010, 0x20404010, 0x00400000,
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+ 0x20004000, 0x00404010, 0x00400000, 0x20000010,
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+ 0x00400010, 0x20004000, 0x20000000, 0x00004010,
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+ 0x00000000, 0x00400010, 0x20004010, 0x00004000,
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+ 0x00404000, 0x20004010, 0x00000010, 0x20400010,
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+ 0x20400010, 0x00000000, 0x00404010, 0x20404000,
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+ 0x00004010, 0x00404000, 0x20404000, 0x20000000,
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+ 0x20004000, 0x00000010, 0x20400010, 0x00404000,
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+ 0x20404010, 0x00400000, 0x00004010, 0x20000010,
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+ 0x00400000, 0x20004000, 0x20000000, 0x00004010,
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+ 0x20000010, 0x20404010, 0x00404000, 0x20400000,
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+ 0x00404010, 0x20404000, 0x00000000, 0x20400010,
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+ 0x00000010, 0x00004000, 0x20400000, 0x00404010,
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+ 0x00004000, 0x00400010, 0x20004010, 0x00000000,
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+ 0x20404000, 0x20000000, 0x00400010, 0x20004010
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+};
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+
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+static const unsigned long SB7[64] =
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+{
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+ 0x00200000, 0x04200002, 0x04000802, 0x00000000,
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+ 0x00000800, 0x04000802, 0x00200802, 0x04200800,
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+ 0x04200802, 0x00200000, 0x00000000, 0x04000002,
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+ 0x00000002, 0x04000000, 0x04200002, 0x00000802,
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+ 0x04000800, 0x00200802, 0x00200002, 0x04000800,
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+ 0x04000002, 0x04200000, 0x04200800, 0x00200002,
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+ 0x04200000, 0x00000800, 0x00000802, 0x04200802,
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+ 0x00200800, 0x00000002, 0x04000000, 0x00200800,
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+ 0x04000000, 0x00200800, 0x00200000, 0x04000802,
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+ 0x04000802, 0x04200002, 0x04200002, 0x00000002,
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+ 0x00200002, 0x04000000, 0x04000800, 0x00200000,
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+ 0x04200800, 0x00000802, 0x00200802, 0x04200800,
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+ 0x00000802, 0x04000002, 0x04200802, 0x04200000,
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+ 0x00200800, 0x00000000, 0x00000002, 0x04200802,
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+ 0x00000000, 0x00200802, 0x04200000, 0x00000800,
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+ 0x04000002, 0x04000800, 0x00000800, 0x00200002
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+};
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+
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+static const unsigned long SB8[64] =
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+{
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+ 0x10001040, 0x00001000, 0x00040000, 0x10041040,
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+ 0x10000000, 0x10001040, 0x00000040, 0x10000000,
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+ 0x00040040, 0x10040000, 0x10041040, 0x00041000,
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+ 0x10041000, 0x00041040, 0x00001000, 0x00000040,
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+ 0x10040000, 0x10000040, 0x10001000, 0x00001040,
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+ 0x00041000, 0x00040040, 0x10040040, 0x10041000,
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+ 0x00001040, 0x00000000, 0x00000000, 0x10040040,
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+ 0x10000040, 0x10001000, 0x00041040, 0x00040000,
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+ 0x00041040, 0x00040000, 0x10041000, 0x00001000,
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+ 0x00000040, 0x10040040, 0x00001000, 0x00041040,
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+ 0x10001000, 0x00000040, 0x10000040, 0x10040000,
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+ 0x10040040, 0x10000000, 0x00040000, 0x10001040,
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+ 0x00000000, 0x10041040, 0x00040040, 0x10000040,
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+ 0x10040000, 0x10001000, 0x10001040, 0x00000000,
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+ 0x10041040, 0x00041000, 0x00041000, 0x00001040,
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+ 0x00001040, 0x00040040, 0x10000000, 0x10041000
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+};
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+
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+//PC1: left and right halves bit-swap
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+static const unsigned long LHs[16] =
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+{
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+ 0x00000000, 0x00000001, 0x00000100, 0x00000101,
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+ 0x00010000, 0x00010001, 0x00010100, 0x00010101,
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+ 0x01000000, 0x01000001, 0x01000100, 0x01000101,
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+ 0x01010000, 0x01010001, 0x01010100, 0x01010101
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+};
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+
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+static const unsigned long RHs[16] =
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+{
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+ 0x00000000, 0x01000000, 0x00010000, 0x01010000,
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+ 0x00000100, 0x01000100, 0x00010100, 0x01010100,
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+ 0x00000001, 0x01000001, 0x00010001, 0x01010001,
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+ 0x00000101, 0x01000101, 0x00010101, 0x01010101,
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+};
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+
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+static const unsigned char odd_parity_table[128] = { 1, 2, 4, 7, 8,
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+11, 13, 14, 16, 19, 21, 22, 25, 26, 28, 31, 32, 35, 37, 38, 41, 42, 44,
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+47, 49, 50, 52, 55, 56, 59, 61, 62, 64, 67, 69, 70, 73, 74, 76, 79, 81,
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+82, 84, 87, 88, 91, 93, 94, 97, 98, 100, 103, 104, 107, 109, 110, 112,
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+115, 117, 118, 121, 122, 124, 127, 128, 131, 133, 134, 137, 138, 140,
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+143, 145, 146, 148, 151, 152, 155, 157, 158, 161, 162, 164, 167, 168,
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+171, 173, 174, 176, 179, 181, 182, 185, 186, 188, 191, 193, 194, 196,
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+199, 200, 203, 205, 206, 208, 211, 213, 214, 217, 218, 220, 223, 224,
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+227, 229, 230, 233, 234, 236, 239, 241, 242, 244, 247, 248, 251, 253,
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+254
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+};
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+
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+#define WEAK_KEY_COUNT 16
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+
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+static const unsigned char weak_key_table[WEAK_KEY_COUNT][DES_KEY_SIZE] =
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+{
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+ { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 },
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+ { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE },
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+ { 0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E },
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+ { 0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1 },
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+
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+ { 0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E },
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+ { 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01 },
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+ { 0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1 },
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+ { 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01 },
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+ { 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE },
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+ { 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01 },
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+ { 0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1 },
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+ { 0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E },
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+ { 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE },
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+ { 0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E },
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+ { 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE },
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+ { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1 }
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+};
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+
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+// Initial Permutation macro
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+#define DES_IP(X,Y) \
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+{ \
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+ T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \
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+ T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \
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+ T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \
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+ T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \
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+ Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF; \
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+ T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T; \
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+ X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF; \
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+}
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+
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+// Final Permutation macro
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+#define DES_FP(X,Y) \
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+{ \
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+ X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF; \
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+ T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T; \
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+ Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF; \
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+ T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \
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+ T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \
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+ T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \
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+ T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \
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+}
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+
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+// DES round macro
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+#define DES_ROUND(X,Y) \
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+{ \
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+ T = *SK++ ^ X; \
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+ Y ^= SB8[ (T) & 0x3F ] ^ \
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+ SB6[ (T >> 8) & 0x3F ] ^ \
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+ SB4[ (T >> 16) & 0x3F ] ^ \
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+ SB2[ (T >> 24) & 0x3F ]; \
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+ \
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+ T = *SK++ ^ ((X << 28) | (X >> 4)); \
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+ Y ^= SB7[ (T) & 0x3F ] ^ \
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+ SB5[ (T >> 8) & 0x3F ] ^ \
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+ SB3[ (T >> 16) & 0x3F ] ^ \
|
|
|
+ SB1[ (T >> 24) & 0x3F ]; \
|
|
|
+}
|
|
|
+
|
|
|
+#define SWAP(a,b) { unsigned long t = a; a = b; b = t; t = 0; }
|
|
|
+
|
|
|
+void set_enc(const unsigned char *enc, const int &nlen)
|
|
|
+{
|
|
|
+ memset((void*)deskey, 0, 9);
|
|
|
+ memcpy_s((void*)deskey, nlen > 8 ? 8 : nlen, enc, nlen > 8 ? 8 : nlen);
|
|
|
+}
|
|
|
+
|
|
|
+void des_key_set_parity( unsigned char key[DES_KEY_SIZE] )
|
|
|
+{
|
|
|
+ for(int i = 0; i < DES_KEY_SIZE; i++ )
|
|
|
+ key[i] = odd_parity_table[key[i] / 2];
|
|
|
+}
|
|
|
+
|
|
|
+int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] )
|
|
|
+{
|
|
|
+ for(int i = 0; i < DES_KEY_SIZE; i++ )
|
|
|
+ if( key[i] != odd_parity_table[key[i] / 2] )
|
|
|
+ return( 1 );
|
|
|
+
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+
|
|
|
+int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] )
|
|
|
+{
|
|
|
+ for(int i = 0; i < WEAK_KEY_COUNT; i++ )
|
|
|
+ if( memcmp( weak_key_table[i], key, DES_KEY_SIZE) == 0 )
|
|
|
+ return( 1 );
|
|
|
+
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+
|
|
|
+unsigned __int64 des_enc_len(const unsigned __int64& nlen)
|
|
|
+{
|
|
|
+ unsigned __int64 npaddinglen = nlen;
|
|
|
+ int npad = nlen&7;//nFileLen & 7 <=> nFileLen%8
|
|
|
+ if ( npad != 0 )
|
|
|
+ {
|
|
|
+ npaddinglen += 8 - npad;
|
|
|
+ }
|
|
|
+ return npaddinglen;
|
|
|
+}
|
|
|
+
|
|
|
+unsigned __int64 des_dec_len(const unsigned char* input, unsigned __int64 nlen)
|
|
|
+{
|
|
|
+ while( input[--nlen] == 0x00 );
|
|
|
+ return ++nlen;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：des_setkey[6/5/2016 IT];
|
|
|
+/* 描述：;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ：;
|
|
|
+/* [OUT] ：;
|
|
|
+/* [IN/OUT] ：;
|
|
|
+/* 返回：void;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+static void des_setkey( unsigned long SK[32], const unsigned char key[8] )
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ unsigned long X, Y, T;
|
|
|
+
|
|
|
+ GET_ULONG_BE( X, key, 0 );
|
|
|
+ GET_ULONG_BE( Y, key, 4 );
|
|
|
+
|
|
|
+ // Permuted Choice 1
|
|
|
+ T = ((Y >> 4) ^ X) & 0x0F0F0F0F; X ^= T; Y ^= (T << 4);
|
|
|
+ T = ((Y ) ^ X) & 0x10101010; X ^= T; Y ^= (T );
|
|
|
+
|
|
|
+ X = (LHs[ (X ) & 0xF] << 3) | (LHs[ (X >> 8) & 0xF ] << 2)
|
|
|
+ | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ] )
|
|
|
+ | (LHs[ (X >> 5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6)
|
|
|
+ | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4);
|
|
|
+
|
|
|
+ Y = (RHs[ (Y >> 1) & 0xF] << 3) | (RHs[ (Y >> 9) & 0xF ] << 2)
|
|
|
+ | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ] )
|
|
|
+ | (RHs[ (Y >> 4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6)
|
|
|
+ | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4);
|
|
|
+
|
|
|
+ X &= 0x0FFFFFFF;
|
|
|
+ Y &= 0x0FFFFFFF;
|
|
|
+
|
|
|
+ // calculate subkeys
|
|
|
+ for( i = 0; i < 16; i++ )
|
|
|
+ {
|
|
|
+ if( i < 2 || i == 8 || i == 15 )
|
|
|
+ {
|
|
|
+ X = ((X << 1) | (X >> 27)) & 0x0FFFFFFF;
|
|
|
+ Y = ((Y << 1) | (Y >> 27)) & 0x0FFFFFFF;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ X = ((X << 2) | (X >> 26)) & 0x0FFFFFFF;
|
|
|
+ Y = ((Y << 2) | (Y >> 26)) & 0x0FFFFFFF;
|
|
|
+ }
|
|
|
+
|
|
|
+ *SK++ = ((X << 4) & 0x24000000) | ((X << 28) & 0x10000000)
|
|
|
+ | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000)
|
|
|
+ | ((X << 6) & 0x01000000) | ((X << 9) & 0x00200000)
|
|
|
+ | ((X >> 1) & 0x00100000) | ((X << 10) & 0x00040000)
|
|
|
+ | ((X << 2) & 0x00020000) | ((X >> 10) & 0x00010000)
|
|
|
+ | ((Y >> 13) & 0x00002000) | ((Y >> 4) & 0x00001000)
|
|
|
+ | ((Y << 6) & 0x00000800) | ((Y >> 1) & 0x00000400)
|
|
|
+ | ((Y >> 14) & 0x00000200) | ((Y ) & 0x00000100)
|
|
|
+ | ((Y >> 5) & 0x00000020) | ((Y >> 10) & 0x00000010)
|
|
|
+ | ((Y >> 3) & 0x00000008) | ((Y >> 18) & 0x00000004)
|
|
|
+ | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001);
|
|
|
+
|
|
|
+ *SK++ = ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000)
|
|
|
+ | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000)
|
|
|
+ | ((X >> 2) & 0x02000000) | ((X << 1) & 0x01000000)
|
|
|
+ | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000)
|
|
|
+ | ((X << 3) & 0x00080000) | ((X >> 6) & 0x00040000)
|
|
|
+ | ((X << 15) & 0x00020000) | ((X >> 4) & 0x00010000)
|
|
|
+ | ((Y >> 2) & 0x00002000) | ((Y << 8) & 0x00001000)
|
|
|
+ | ((Y >> 14) & 0x00000808) | ((Y >> 9) & 0x00000400)
|
|
|
+ | ((Y ) & 0x00000200) | ((Y << 7) & 0x00000100)
|
|
|
+ | ((Y >> 7) & 0x00000020) | ((Y >> 3) & 0x00000011)
|
|
|
+ | ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：des_setkey_enc[6/5/2016 IT];
|
|
|
+/* 描述：设置DES加密密钥(56bit,加密);
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ctx：要被初始化的DES结构体;
|
|
|
+/* [IN] key：8字节长度的加解密密钥;
|
|
|
+/* 返回：void;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+void des_setkey_enc( IN des_context *ctx, IN const unsigned char key[8] )
|
|
|
+{
|
|
|
+ des_setkey( ctx->sk, key );
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：des_setkey_dec[6/5/2016 IT];
|
|
|
+/* 描述：设置DES解密密钥(56bit,解密);;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ctx：要被初始化的DES结构体;
|
|
|
+/* [IN] key：8字节长度的加解密密钥;
|
|
|
+/* 返回：void;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+void des_setkey_dec( IN des_context *ctx, IN const unsigned char key[8] )
|
|
|
+{
|
|
|
+ int i;
|
|
|
+
|
|
|
+ des_setkey( ctx->sk, key );
|
|
|
+
|
|
|
+ for( i = 0; i < 16; i += 2 )
|
|
|
+ {
|
|
|
+ SWAP( ctx->sk[i], ctx->sk[30 - i] );
|
|
|
+ SWAP( ctx->sk[i + 1], ctx->sk[31 - i] );
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：[6/5/2016 IT];
|
|
|
+/* 描述：DES-ECB模式下加解密;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ctx：已经初始化过的DES结构体;
|
|
|
+/* [IN] input：64bit的输入缓存块;
|
|
|
+/* [OUT] output：64bit的输出缓存块;
|
|
|
+/* 返回：成功返回0;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+int des_crypt_ecb( IN des_context *ctx, IN const unsigned char input[8], OUT unsigned char output[8] )
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ unsigned long X, Y, T, *SK;
|
|
|
+
|
|
|
+ SK = ctx->sk;
|
|
|
+
|
|
|
+ GET_ULONG_BE( X, input, 0 );
|
|
|
+ GET_ULONG_BE( Y, input, 4 );
|
|
|
+
|
|
|
+ DES_IP( X, Y );
|
|
|
+
|
|
|
+ for( i = 0; i < 8; i++ )
|
|
|
+ {
|
|
|
+ DES_ROUND( Y, X );
|
|
|
+ DES_ROUND( X, Y );
|
|
|
+ }
|
|
|
+
|
|
|
+ DES_FP( Y, X );
|
|
|
+
|
|
|
+ PUT_ULONG_BE( Y, output, 0 );
|
|
|
+ PUT_ULONG_BE( X, output, 4 );
|
|
|
+
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：des_crypt_cbc[6/5/2016 IT];
|
|
|
+/* 描述：DES-CBC模式加解密;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ctx：已经初始化过的DES结构体;
|
|
|
+/* [IN] mode：加密或解密模式;
|
|
|
+/* [IN] length：input长度;
|
|
|
+/* [IN] iv：初始向量（使用后更新）;
|
|
|
+/* [IN] input：要加密或解密的数据;
|
|
|
+/* [OUT] output：加密或解密的数据;
|
|
|
+/* 返回：成功返回0;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+int des_crypt_cbc( IN des_context *ctx, IN int mode, IN int length, IN unsigned char iv[8], IN const unsigned char *input, OUT unsigned char *output )
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ unsigned char temp[8];
|
|
|
+
|
|
|
+ if( length % 8 )
|
|
|
+ return( POLARSSL_ERR_DES_INVALID_INPUT_LENGTH );
|
|
|
+
|
|
|
+ if( mode == DES_ENCRYPT )
|
|
|
+ {
|
|
|
+ while( length > 0 )
|
|
|
+ {
|
|
|
+ for( i = 0; i < 8; i++ )
|
|
|
+ output[i] = (unsigned char)( input[i] ^ iv[i] );
|
|
|
+
|
|
|
+ des_crypt_ecb( ctx, output, output );
|
|
|
+ memcpy( iv, output, 8 );
|
|
|
+
|
|
|
+ input += 8;
|
|
|
+ output += 8;
|
|
|
+ length -= 8;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else /* DES_DECRYPT */
|
|
|
+ {
|
|
|
+ while( length > 0 )
|
|
|
+ {
|
|
|
+ memcpy( temp, input, 8 );
|
|
|
+ des_crypt_ecb( ctx, input, output );
|
|
|
+
|
|
|
+ for( i = 0; i < 8; i++ )
|
|
|
+ output[i] = (unsigned char)( output[i] ^ iv[i] );
|
|
|
+
|
|
|
+ memcpy( iv, temp, 8 );
|
|
|
+
|
|
|
+ input += 8;
|
|
|
+ output += 8;
|
|
|
+ length -= 8;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：des_crypt_cbc[6/5/2016 IT];
|
|
|
+/* 描述：DES-CBC模式加解密;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ctx：已经初始化过的DES结构体;
|
|
|
+/* [IN] mode：加密或解密模式;
|
|
|
+/* [IN] length：input长度;
|
|
|
+/* [IN] iv：初始向量（使用后更新）;
|
|
|
+/* [IN] input：要加密或解密的数据;
|
|
|
+/* [OUT] output：加密或解密的数据;
|
|
|
+/* 返回：成功返回0;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+int des_crypt_cbc(IN int mode, IN int length, IN const unsigned char *input, OUT unsigned char *output, IN const int& outMaxlen )
|
|
|
+{
|
|
|
+ if ( length == 0 )
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ int i;
|
|
|
+ des_context ctx;
|
|
|
+ if ( mode == DES_ENCRYPT )
|
|
|
+ des_setkey_enc(&ctx, deskey);
|
|
|
+ else
|
|
|
+ des_setkey_dec(&ctx, deskey);
|
|
|
+
|
|
|
+ int nInputlen = length;
|
|
|
+ unsigned char *result = output;
|
|
|
+ unsigned char iv[9] = "JeffWang"; // 此值固定;
|
|
|
+ unsigned char temp[8];
|
|
|
+
|
|
|
+ int npadlen = length & 7;
|
|
|
+ if( npadlen != 0 )
|
|
|
+ {
|
|
|
+ length += 8 - npadlen;
|
|
|
+ nInputlen = length;
|
|
|
+ }
|
|
|
+
|
|
|
+ if( mode == DES_ENCRYPT )
|
|
|
+ {
|
|
|
+ while( length > 0 )
|
|
|
+ {
|
|
|
+ for( i = 0; i < 8; i++ )
|
|
|
+ {
|
|
|
+ if ( length == 8 && npadlen != 0)
|
|
|
+ {
|
|
|
+ if ( i >= npadlen )
|
|
|
+ output[i] = (unsigned char)( 0x00 ^ iv[i] );
|
|
|
+ else
|
|
|
+ output[i] = (unsigned char)( input[i] ^ iv[i] );
|
|
|
+ }
|
|
|
+ else
|
|
|
+ output[i] = (unsigned char)( input[i] ^ iv[i] );
|
|
|
+ }
|
|
|
+
|
|
|
+ des_crypt_ecb( &ctx, output, output );
|
|
|
+ memcpy( iv, output, 8 );
|
|
|
+
|
|
|
+ input += 8;
|
|
|
+ output += 8;
|
|
|
+ length -= 8;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 将加密结果转换成base64;
|
|
|
+ // 1.计算出Base64的长度,CalcBase64Len的参数必须是字节长度,而非字符数;
|
|
|
+ INT nBaseLen = CBase64::CalcBase64Len(nInputlen);
|
|
|
+ if ( nBaseLen > outMaxlen )
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ // 2.创建Base64缓存;
|
|
|
+ CHAR *pBase64 = new CHAR[nBaseLen + 1];
|
|
|
+ memset(pBase64, 0, nBaseLen + 1);
|
|
|
+
|
|
|
+ // 3.转化出Base64字符;
|
|
|
+ CBase64::binToBase64(result, nInputlen, pBase64);
|
|
|
+ memset(result, 0, outMaxlen);
|
|
|
+ memcpy(result, pBase64, nBaseLen);
|
|
|
+
|
|
|
+ if ( pBase64 )
|
|
|
+ delete []pBase64;
|
|
|
+ }
|
|
|
+ else /* DES_DECRYPT */
|
|
|
+ {
|
|
|
+ // 将base64转换成密文状态;
|
|
|
+ // 1.计算出字节长度;
|
|
|
+ INT nByteLen = CBase64::CalcBinLen(length);
|
|
|
+
|
|
|
+ // 2.创建Byte缓存区;
|
|
|
+ BYTE *pBytes = new BYTE[nByteLen];
|
|
|
+ memset(pBytes, 0, nByteLen);
|
|
|
+
|
|
|
+ // 3.转化成字节;
|
|
|
+ length = CBase64::base64ToBin((char*)input, pBytes, nByteLen);
|
|
|
+ result = pBytes;
|
|
|
+ while ( pBytes[length-1] == 0x00 )
|
|
|
+ --length;
|
|
|
+
|
|
|
+ while( length > 0 )
|
|
|
+ {
|
|
|
+ memcpy( temp, pBytes, 8 );
|
|
|
+ des_crypt_ecb( &ctx, pBytes, output );
|
|
|
+
|
|
|
+ for( i = 0; i < 8; i++ )
|
|
|
+ output[i] = (unsigned char)( output[i] ^ iv[i] );
|
|
|
+
|
|
|
+ memcpy( iv, temp, 8 );
|
|
|
+
|
|
|
+ pBytes += 8;
|
|
|
+ output += 8;
|
|
|
+ length -= 8;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( result )
|
|
|
+ delete []result;
|
|
|
+ }
|
|
|
+
|
|
|
+ return( 0 );
|
|
|
+}
|
|
|
+
|
|
|
+int des_crypt(IN CString strInput, IN CString& strOutput, IN const int &mode /* = DES_ENCRYPT */)
|
|
|
+{
|
|
|
+ if ( strInput.IsEmpty() )
|
|
|
+ return -1;
|
|
|
+
|
|
|
+ unsigned char* pInput = NULL;
|
|
|
+ int nInputlen = strInput.GetLength();
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ pInput = (unsigned char*)CharEncoding::UNICODE2ASCII(strInput.GetBuffer());
|
|
|
+ nInputlen = strlen((char*)pInput);
|
|
|
+#else
|
|
|
+ pInput = new unsigned char[nInputlen+1];
|
|
|
+ memset(pInput, 0, nInputlen+1);
|
|
|
+ memcpy(pInput, strInput, nInputlen);
|
|
|
+#endif
|
|
|
+
|
|
|
+ int nOutputlen = nInputlen;
|
|
|
+ if ( mode == DES_ENCRYPT )
|
|
|
+ {
|
|
|
+ // 计算密文长度,不足8位补齐;
|
|
|
+ nOutputlen = des_enc_len(nInputlen);
|
|
|
+ // 计算密文转成base64的长度,用于创建输出缓存;
|
|
|
+ nOutputlen = CBase64::CalcBase64Len(nOutputlen);
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ nOutputlen = CBase64::CalcBinLen(nInputlen);
|
|
|
+ }
|
|
|
+
|
|
|
+ unsigned char* pOutput = new unsigned char[nOutputlen+1];
|
|
|
+ memset(pOutput, 0, nOutputlen + 1);
|
|
|
+
|
|
|
+ if ( des_crypt_cbc(mode, nInputlen, pInput, pOutput, nOutputlen) == -1)
|
|
|
+ return -1;
|
|
|
+
|
|
|
+#ifdef UNICODE
|
|
|
+ WCHAR* pWide = CharEncoding::ASCII2UNICODE((char*)pOutput);
|
|
|
+ strOutput.Format(_T("%s"), pWide);
|
|
|
+ if ( pWide )
|
|
|
+ delete []pWide;
|
|
|
+#else
|
|
|
+ strOutput.Format(_T("%s"), pOutput);
|
|
|
+#endif
|
|
|
+
|
|
|
+ if ( pInput )
|
|
|
+ delete []pInput;
|
|
|
+ if ( pOutput )
|
|
|
+ delete []pOutput;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：[12/21/2016 IT];
|
|
|
+/* 描述：;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ：;
|
|
|
+/* [OUT] ：;
|
|
|
+/* [IN/OUT] ：;
|
|
|
+/* 返回：void;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+void DES_EncryptFile(IN LPCTSTR lpFile, IN LPBYTE lpKey, IN LPBYTE lpVI, IN LPCTSTR lpEncryFile)
|
|
|
+{
|
|
|
+ if ( lpFile == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ if ( lpKey == NULL || lpVI == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ BYTE szKey[9] = {0};
|
|
|
+ INT nKeyLen = strlen((char*)lpKey);
|
|
|
+ if (nKeyLen != 8 )
|
|
|
+ return;
|
|
|
+
|
|
|
+ memcpy(szKey, lpKey, 8);
|
|
|
+
|
|
|
+ BYTE szvi[9] = {0};
|
|
|
+ INT nVILen = strlen((char*)lpVI);
|
|
|
+ if ( nVILen != 8 )
|
|
|
+ return;
|
|
|
+
|
|
|
+ memcpy(szvi, lpVI, 8);
|
|
|
+
|
|
|
+ CFile cf;
|
|
|
+ BYTE *pFileData = NULL;
|
|
|
+ BYTE *pOutData = NULL;
|
|
|
+ INT nPadLen = 0;
|
|
|
+ UINT64 nFileLen = 0;
|
|
|
+ UINT64 nOutLen = 0;
|
|
|
+ if ( cf.Open(lpFile, CFile::modeRead) )
|
|
|
+ {
|
|
|
+ nFileLen = cf.GetLength();
|
|
|
+ pFileData = new BYTE[nFileLen];
|
|
|
+ memset(pFileData, 0, nFileLen);
|
|
|
+
|
|
|
+ cf.Read(pFileData,nFileLen);
|
|
|
+ cf.Close();
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ DWORD dwError = GetLastError();
|
|
|
+ TRACE("%d", dwError);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( strncmp((char*)pFileData, "<?>", 3) == 0 )
|
|
|
+ {// 已加密的,退出;
|
|
|
+ delete []pFileData;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 不足8的倍数,补齐;
|
|
|
+ nOutLen = des_enc_len(nFileLen);
|
|
|
+ pOutData = new BYTE[nOutLen + 1 ];
|
|
|
+ memset(pOutData, 0, nOutLen + 1 );
|
|
|
+
|
|
|
+ des_context des;
|
|
|
+ if ( des_key_check_key_parity(szKey) == 1)
|
|
|
+ {
|
|
|
+ des_key_set_parity(szKey);
|
|
|
+ if ( des_key_check_key_parity(szKey) == 0 )
|
|
|
+ {
|
|
|
+ des_setkey_enc(&des, szKey);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ des_setkey_enc(&des, szKey);
|
|
|
+
|
|
|
+ des_crypt_cbc(&des, DES_ENCRYPT, nOutLen, szvi, pFileData, pOutData);
|
|
|
+
|
|
|
+ CFile cfo;
|
|
|
+ if ( cfo.Open(lpEncryFile, CFile::modeCreate|CFile::modeWrite) )
|
|
|
+ {
|
|
|
+ cfo.Write("<?>", 3);
|
|
|
+ cfo.Write(&nFileLen, sizeof(UINT64));
|
|
|
+ cfo.Write(pOutData, nOutLen);
|
|
|
+ cfo.Close();
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pOutData )
|
|
|
+ delete []pOutData;
|
|
|
+
|
|
|
+ if ( pFileData)
|
|
|
+ delete []pFileData;
|
|
|
+}
|
|
|
+
|
|
|
+/************************************************************************/
|
|
|
+/* 函数：[12/21/2016 IT];
|
|
|
+/* 描述：;
|
|
|
+/* 参数：;
|
|
|
+/* [IN] ：;
|
|
|
+/* [OUT] ：;
|
|
|
+/* [IN/OUT] ：;
|
|
|
+/* 返回：void;
|
|
|
+/* 注意：;
|
|
|
+/* 示例：;
|
|
|
+/*
|
|
|
+/* 修改：;
|
|
|
+/* 日期：;
|
|
|
+/* 内容：;
|
|
|
+/************************************************************************/
|
|
|
+void DES_DecryptFile(IN LPCTSTR lpFile, IN LPBYTE lpKey, IN LPBYTE lpVI, IN LPCTSTR lpDecryFile)
|
|
|
+{
|
|
|
+ if ( lpFile == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ if ( lpKey == NULL || lpVI == NULL )
|
|
|
+ return;
|
|
|
+
|
|
|
+ INT nKeyLen = strlen((char*)lpKey);
|
|
|
+ if (nKeyLen != 8 )
|
|
|
+ return;
|
|
|
+
|
|
|
+ BYTE szvi[9] = {0};
|
|
|
+ INT nVILen = strlen((char*)lpVI);
|
|
|
+ if ( nVILen != 8 )
|
|
|
+ return;
|
|
|
+
|
|
|
+ memcpy(szvi, lpVI, 8);
|
|
|
+
|
|
|
+ CFile cf;
|
|
|
+ BYTE *pFileData = NULL;
|
|
|
+ BYTE *pOutData = NULL;
|
|
|
+ UINT64 nFileLen = 0;
|
|
|
+ if ( cf.Open(lpFile, CFile::modeRead) )
|
|
|
+ {
|
|
|
+ nFileLen = cf.GetLength();
|
|
|
+ pFileData = new BYTE[nFileLen];
|
|
|
+ memset(pFileData, 0, nFileLen);
|
|
|
+
|
|
|
+ cf.Read(pFileData,nFileLen);
|
|
|
+ cf.Close();
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ DWORD dwError = GetLastError();
|
|
|
+ TRACE("%d", dwError);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( strncmp((char*)pFileData, "<?>", 3) != 0 )
|
|
|
+ {// 不是加密文件;
|
|
|
+ delete []pFileData;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 加密的长度,必定是8的倍数;
|
|
|
+ UINT64 nOutLen = nFileLen-3-sizeof(UINT64);
|
|
|
+ pOutData = new BYTE[nOutLen + 1];
|
|
|
+ memset(pOutData, 0, nOutLen + 1);
|
|
|
+
|
|
|
+ des_context des;
|
|
|
+ if ( des_key_check_key_parity(lpKey) == 1)
|
|
|
+ {
|
|
|
+ des_key_set_parity(lpKey);
|
|
|
+ if ( des_key_check_key_parity(lpKey) == 0 )
|
|
|
+ {
|
|
|
+ des_setkey_dec(&des, lpKey);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ else
|
|
|
+ des_setkey_dec(&des, lpKey);
|
|
|
+ des_crypt_cbc(&des, DES_DECRYPT, nOutLen, szvi, pFileData+3+sizeof(UINT64), pOutData);
|
|
|
+
|
|
|
+ CFile cfo;
|
|
|
+ memcpy(&nOutLen, pFileData+3, sizeof(UINT64)); // 获取实际文件长度;
|
|
|
+ if ( cfo.Open(lpDecryFile, CFile::modeCreate|CFile::modeWrite) )
|
|
|
+ {
|
|
|
+ cfo.Write(pOutData, nOutLen);
|
|
|
+ cfo.Close();
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pOutData )
|
|
|
+ delete []pOutData;
|
|
|
+
|
|
|
+ if (pFileData)
|
|
|
+ delete []pFileData;
|
|
|
+}
|
