From 75f780871949e5bacca4718507e66c8d28d72e69 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Sun, 20 Jul 2014 05:11:10 +0200 Subject: Remove deprecated/legacy cryptographic algorithms and encryption modes that are never used by VeraCrypt. This will speed up volumes opening in many cases. --- src/Crypto/Des.c | 406 ------------------------------------------------------- 1 file changed, 406 deletions(-) delete mode 100644 src/Crypto/Des.c (limited to 'src/Crypto/Des.c') diff --git a/src/Crypto/Des.c b/src/Crypto/Des.c deleted file mode 100644 index 8f14d6c0..00000000 --- a/src/Crypto/Des.c +++ /dev/null @@ -1,406 +0,0 @@ -/* Deprecated/legacy */ - - -// des.cpp - modified by Wei Dai from Phil Karn's des.c -// The original code and all modifications are in the public domain. - -/* - * This is a major rewrite of my old public domain DES code written - * circa 1987, which in turn borrowed heavily from Jim Gillogly's 1977 - * public domain code. I pretty much kept my key scheduling code, but - * the actual encrypt/decrypt routines are taken from from Richard - * Outerbridge's DES code as printed in Schneier's "Applied Cryptography." - * - * This code is in the public domain. I would appreciate bug reports and - * enhancements. - * - * Phil Karn KA9Q, karn@unix.ka9q.ampr.org, August 1994. - */ - -/* Adapted for TrueCrypt */ - -#include -#include "Common/Tcdefs.h" -#include "Common/Endian.h" -#include "Des.h" - -#define word32 unsigned __int32 -#define byte unsigned __int8 - -static word32 rotlFixed (word32 x, unsigned int y) -{ - return (word32)((x<>(sizeof(word32)*8-y))); -} - -static word32 rotrFixed (word32 x, unsigned int y) -{ - return (word32)((x>>y) | (x<<(sizeof(word32)*8-y))); -} - - -/* Tables defined in the Data Encryption Standard documents - * Three of these tables, the initial permutation, the final - * permutation and the expansion operator, are regular enough that - * for speed, we hard-code them. They're here for reference only. - * Also, the S and P boxes are used by a separate program, gensp.c, - * to build the combined SP box, Spbox[]. They're also here just - * for reference. - */ -#ifdef notdef -/* initial permutation IP */ -static byte ip[] = { - 58, 50, 42, 34, 26, 18, 10, 2, - 60, 52, 44, 36, 28, 20, 12, 4, - 62, 54, 46, 38, 30, 22, 14, 6, - 64, 56, 48, 40, 32, 24, 16, 8, - 57, 49, 41, 33, 25, 17, 9, 1, - 59, 51, 43, 35, 27, 19, 11, 3, - 61, 53, 45, 37, 29, 21, 13, 5, - 63, 55, 47, 39, 31, 23, 15, 7 -}; - -/* final permutation IP^-1 */ -static byte fp[] = { - 40, 8, 48, 16, 56, 24, 64, 32, - 39, 7, 47, 15, 55, 23, 63, 31, - 38, 6, 46, 14, 54, 22, 62, 30, - 37, 5, 45, 13, 53, 21, 61, 29, - 36, 4, 44, 12, 52, 20, 60, 28, - 35, 3, 43, 11, 51, 19, 59, 27, - 34, 2, 42, 10, 50, 18, 58, 26, - 33, 1, 41, 9, 49, 17, 57, 25 -}; -/* expansion operation matrix */ -static byte ei[] = { - 32, 1, 2, 3, 4, 5, - 4, 5, 6, 7, 8, 9, - 8, 9, 10, 11, 12, 13, - 12, 13, 14, 15, 16, 17, - 16, 17, 18, 19, 20, 21, - 20, 21, 22, 23, 24, 25, - 24, 25, 26, 27, 28, 29, - 28, 29, 30, 31, 32, 1 -}; -/* The (in)famous S-boxes */ -static byte sbox[8][64] = { - /* S1 */ - 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, - 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, - 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, - 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13, - - /* S2 */ - 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, - 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, - 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, - 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9, - - /* S3 */ - 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, - 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, - 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, - 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12, - - /* S4 */ - 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, - 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, - 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, - 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14, - - /* S5 */ - 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, - 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, - 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, - 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3, - - /* S6 */ - 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, - 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, - 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, - 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13, - - /* S7 */ - 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, - 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, - 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, - 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12, - - /* S8 */ - 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, - 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, - 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, - 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 -}; - -/* 32-bit permutation function P used on the output of the S-boxes */ -static byte p32i[] = { - 16, 7, 20, 21, - 29, 12, 28, 17, - 1, 15, 23, 26, - 5, 18, 31, 10, - 2, 8, 24, 14, - 32, 27, 3, 9, - 19, 13, 30, 6, - 22, 11, 4, 25 -}; -#endif - -/* permuted choice table (key) */ -static const byte pc1[] = { - 57, 49, 41, 33, 25, 17, 9, - 1, 58, 50, 42, 34, 26, 18, - 10, 2, 59, 51, 43, 35, 27, - 19, 11, 3, 60, 52, 44, 36, - - 63, 55, 47, 39, 31, 23, 15, - 7, 62, 54, 46, 38, 30, 22, - 14, 6, 61, 53, 45, 37, 29, - 21, 13, 5, 28, 20, 12, 4 -}; - -/* number left rotations of pc1 */ -static const byte totrot[] = { - 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28 -}; - -/* permuted choice key (table) */ -static const byte pc2[] = { - 14, 17, 11, 24, 1, 5, - 3, 28, 15, 6, 21, 10, - 23, 19, 12, 4, 26, 8, - 16, 7, 27, 20, 13, 2, - 41, 52, 31, 37, 47, 55, - 30, 40, 51, 45, 33, 48, - 44, 49, 39, 56, 34, 53, - 46, 42, 50, 36, 29, 32 -}; - -/* End of DES-defined tables */ - -/* bit 0 is left-most in byte */ -static const int bytebit[] = { - 0200,0100,040,020,010,04,02,01 -}; - -static const word32 Spbox[8][64] = { -{ -0x01010400,0x00000000,0x00010000,0x01010404, 0x01010004,0x00010404,0x00000004,0x00010000, -0x00000400,0x01010400,0x01010404,0x00000400, 0x01000404,0x01010004,0x01000000,0x00000004, -0x00000404,0x01000400,0x01000400,0x00010400, 0x00010400,0x01010000,0x01010000,0x01000404, -0x00010004,0x01000004,0x01000004,0x00010004, 0x00000000,0x00000404,0x00010404,0x01000000, -0x00010000,0x01010404,0x00000004,0x01010000, 0x01010400,0x01000000,0x01000000,0x00000400, -0x01010004,0x00010000,0x00010400,0x01000004, 0x00000400,0x00000004,0x01000404,0x00010404, -0x01010404,0x00010004,0x01010000,0x01000404, 0x01000004,0x00000404,0x00010404,0x01010400, -0x00000404,0x01000400,0x01000400,0x00000000, 0x00010004,0x00010400,0x00000000,0x01010004}, -{ -0x80108020,0x80008000,0x00008000,0x00108020, 0x00100000,0x00000020,0x80100020,0x80008020, -0x80000020,0x80108020,0x80108000,0x80000000, 0x80008000,0x00100000,0x00000020,0x80100020, -0x00108000,0x00100020,0x80008020,0x00000000, 0x80000000,0x00008000,0x00108020,0x80100000, -0x00100020,0x80000020,0x00000000,0x00108000, 0x00008020,0x80108000,0x80100000,0x00008020, -0x00000000,0x00108020,0x80100020,0x00100000, 0x80008020,0x80100000,0x80108000,0x00008000, -0x80100000,0x80008000,0x00000020,0x80108020, 0x00108020,0x00000020,0x00008000,0x80000000, -0x00008020,0x80108000,0x00100000,0x80000020, 0x00100020,0x80008020,0x80000020,0x00100020, -0x00108000,0x00000000,0x80008000,0x00008020, 0x80000000,0x80100020,0x80108020,0x00108000}, -{ -0x00000208,0x08020200,0x00000000,0x08020008, 0x08000200,0x00000000,0x00020208,0x08000200, -0x00020008,0x08000008,0x08000008,0x00020000, 0x08020208,0x00020008,0x08020000,0x00000208, -0x08000000,0x00000008,0x08020200,0x00000200, 0x00020200,0x08020000,0x08020008,0x00020208, -0x08000208,0x00020200,0x00020000,0x08000208, 0x00000008,0x08020208,0x00000200,0x08000000, -0x08020200,0x08000000,0x00020008,0x00000208, 0x00020000,0x08020200,0x08000200,0x00000000, -0x00000200,0x00020008,0x08020208,0x08000200, 0x08000008,0x00000200,0x00000000,0x08020008, -0x08000208,0x00020000,0x08000000,0x08020208, 0x00000008,0x00020208,0x00020200,0x08000008, -0x08020000,0x08000208,0x00000208,0x08020000, 0x00020208,0x00000008,0x08020008,0x00020200}, -{ -0x00802001,0x00002081,0x00002081,0x00000080, 0x00802080,0x00800081,0x00800001,0x00002001, -0x00000000,0x00802000,0x00802000,0x00802081, 0x00000081,0x00000000,0x00800080,0x00800001, -0x00000001,0x00002000,0x00800000,0x00802001, 0x00000080,0x00800000,0x00002001,0x00002080, -0x00800081,0x00000001,0x00002080,0x00800080, 0x00002000,0x00802080,0x00802081,0x00000081, -0x00800080,0x00800001,0x00802000,0x00802081, 0x00000081,0x00000000,0x00000000,0x00802000, -0x00002080,0x00800080,0x00800081,0x00000001, 0x00802001,0x00002081,0x00002081,0x00000080, -0x00802081,0x00000081,0x00000001,0x00002000, 0x00800001,0x00002001,0x00802080,0x00800081, -0x00002001,0x00002080,0x00800000,0x00802001, 0x00000080,0x00800000,0x00002000,0x00802080}, -{ -0x00000100,0x02080100,0x02080000,0x42000100, 0x00080000,0x00000100,0x40000000,0x02080000, -0x40080100,0x00080000,0x02000100,0x40080100, 0x42000100,0x42080000,0x00080100,0x40000000, -0x02000000,0x40080000,0x40080000,0x00000000, 0x40000100,0x42080100,0x42080100,0x02000100, -0x42080000,0x40000100,0x00000000,0x42000000, 0x02080100,0x02000000,0x42000000,0x00080100, -0x00080000,0x42000100,0x00000100,0x02000000, 0x40000000,0x02080000,0x42000100,0x40080100, -0x02000100,0x40000000,0x42080000,0x02080100, 0x40080100,0x00000100,0x02000000,0x42080000, -0x42080100,0x00080100,0x42000000,0x42080100, 0x02080000,0x00000000,0x40080000,0x42000000, -0x00080100,0x02000100,0x40000100,0x00080000, 0x00000000,0x40080000,0x02080100,0x40000100}, -{ -0x20000010,0x20400000,0x00004000,0x20404010, 0x20400000,0x00000010,0x20404010,0x00400000, -0x20004000,0x00404010,0x00400000,0x20000010, 0x00400010,0x20004000,0x20000000,0x00004010, -0x00000000,0x00400010,0x20004010,0x00004000, 0x00404000,0x20004010,0x00000010,0x20400010, -0x20400010,0x00000000,0x00404010,0x20404000, 0x00004010,0x00404000,0x20404000,0x20000000, -0x20004000,0x00000010,0x20400010,0x00404000, 0x20404010,0x00400000,0x00004010,0x20000010, -0x00400000,0x20004000,0x20000000,0x00004010, 0x20000010,0x20404010,0x00404000,0x20400000, -0x00404010,0x20404000,0x00000000,0x20400010, 0x00000010,0x00004000,0x20400000,0x00404010, -0x00004000,0x00400010,0x20004010,0x00000000, 0x20404000,0x20000000,0x00400010,0x20004010}, -{ -0x00200000,0x04200002,0x04000802,0x00000000, 0x00000800,0x04000802,0x00200802,0x04200800, -0x04200802,0x00200000,0x00000000,0x04000002, 0x00000002,0x04000000,0x04200002,0x00000802, -0x04000800,0x00200802,0x00200002,0x04000800, 0x04000002,0x04200000,0x04200800,0x00200002, -0x04200000,0x00000800,0x00000802,0x04200802, 0x00200800,0x00000002,0x04000000,0x00200800, -0x04000000,0x00200800,0x00200000,0x04000802, 0x04000802,0x04200002,0x04200002,0x00000002, -0x00200002,0x04000000,0x04000800,0x00200000, 0x04200800,0x00000802,0x00200802,0x04200800, -0x00000802,0x04000002,0x04200802,0x04200000, 0x00200800,0x00000000,0x00000002,0x04200802, -0x00000000,0x00200802,0x04200000,0x00000800, 0x04000002,0x04000800,0x00000800,0x00200002}, -{ -0x10001040,0x00001000,0x00040000,0x10041040, 0x10000000,0x10001040,0x00000040,0x10000000, -0x00040040,0x10040000,0x10041040,0x00041000, 0x10041000,0x00041040,0x00001000,0x00000040, -0x10040000,0x10000040,0x10001000,0x00001040, 0x00041000,0x00040040,0x10040040,0x10041000, -0x00001040,0x00000000,0x00000000,0x10040040, 0x10000040,0x10001000,0x00041040,0x00040000, -0x00041040,0x00040000,0x10041000,0x00001000, 0x00000040,0x10040040,0x00001000,0x00041040, -0x10001000,0x00000040,0x10000040,0x10040000, 0x10040040,0x10000000,0x00040000,0x10001040, -0x00000000,0x10041040,0x00040040,0x10000040, 0x10040000,0x10001000,0x10001040,0x00000000, -0x10041040,0x00041000,0x00041000,0x00001040, 0x00001040,0x00040040,0x10000000,0x10041000} -}; - -/* Set key (initialize key schedule array) */ -static void RawSetKey (int encryption, const byte *key, word32 *scheduledKey) -{ - byte buffer[56+56+8]; - byte *const pc1m=buffer; /* place to modify pc1 into */ - byte *const pcr=pc1m+56; /* place to rotate pc1 into */ - byte *const ks=pcr+56; - register int i,j,l; - int m; - - for (j=0; j<56; j++) { /* convert pc1 to bits of key */ - l=pc1[j]-1; /* integer bit location */ - m = l & 07; /* find bit */ - pc1m[j]=(key[l>>3] & /* find which key byte l is in */ - bytebit[m]) /* and which bit of that byte */ - ? 1 : 0; /* and store 1-bit result */ - } - for (i=0; i<16; i++) { /* key chunk for each iteration */ - memset(ks,0,8); /* Clear key schedule */ - for (j=0; j<56; j++) /* rotate pc1 the right amount */ - pcr[j] = pc1m[(l=j+totrot[i])<(j<28? 28 : 56) ? l: l-28]; - /* rotate left and right halves independently */ - for (j=0; j<48; j++){ /* select bits individually */ - /* check bit that goes to ks[j] */ - if (pcr[pc2[j]-1]){ - /* mask it in if it's there */ - l= j % 6; - ks[j/6] |= bytebit[l] >> 2; - } - } - /* Now convert to odd/even interleaved form for use in F */ - scheduledKey[2*i] = ((word32)ks[0] << 24) - | ((word32)ks[2] << 16) - | ((word32)ks[4] << 8) - | ((word32)ks[6]); - scheduledKey[2*i+1] = ((word32)ks[1] << 24) - | ((word32)ks[3] << 16) - | ((word32)ks[5] << 8) - | ((word32)ks[7]); - } - - if (!encryption) // reverse key schedule order - for (i=0; i<16; i+=2) - { - word32 b = scheduledKey[i]; - scheduledKey[i] = scheduledKey[32-2-i]; - scheduledKey[32-2-i] = b; - - b = scheduledKey[i+1]; - scheduledKey[i+1] = scheduledKey[32-1-i]; - scheduledKey[32-1-i] = b; - } - - burn (buffer, sizeof (buffer)); -} - -static void RawProcessBlock(word32 *l_, word32 *r_, const word32 *k) -{ - word32 l = *l_, r = *r_; - const word32 *kptr=k; - unsigned i; - - for (i=0; i<8; i++) - { - word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0]; - l ^= Spbox[6][(work) & 0x3f] - ^ Spbox[4][(work >> 8) & 0x3f] - ^ Spbox[2][(work >> 16) & 0x3f] - ^ Spbox[0][(work >> 24) & 0x3f]; - work = r ^ kptr[4*i+1]; - l ^= Spbox[7][(work) & 0x3f] - ^ Spbox[5][(work >> 8) & 0x3f] - ^ Spbox[3][(work >> 16) & 0x3f] - ^ Spbox[1][(work >> 24) & 0x3f]; - - work = rotrFixed(l, 4U) ^ kptr[4*i+2]; - r ^= Spbox[6][(work) & 0x3f] - ^ Spbox[4][(work >> 8) & 0x3f] - ^ Spbox[2][(work >> 16) & 0x3f] - ^ Spbox[0][(work >> 24) & 0x3f]; - work = l ^ kptr[4*i+3]; - r ^= Spbox[7][(work) & 0x3f] - ^ Spbox[5][(work >> 8) & 0x3f] - ^ Spbox[3][(work >> 16) & 0x3f] - ^ Spbox[1][(work >> 24) & 0x3f]; - } - - *l_ = l; *r_ = r; -} - -void TripleDesSetKey (const byte *userKey, unsigned int length, TDES_KEY *ks) -{ - RawSetKey (1, userKey + 0, ks->k1); - RawSetKey (1, userKey + 8, ks->k2); - RawSetKey (1, userKey + 16, ks->k3); - RawSetKey (0, userKey + 16, ks->k1d); - RawSetKey (0, userKey + 8, ks->k2d); - RawSetKey (0, userKey + 0, ks->k3d); -} - -void TripleDesEncrypt (byte *inBlock, byte *outBlock, TDES_KEY *key, int encrypt) -{ - word32 left = BE32 (((word32 *)inBlock)[0]); - word32 right = BE32 (((word32 *)inBlock)[1]); - word32 work; - - right = rotlFixed(right, 4U); - work = (left ^ right) & 0xf0f0f0f0; - left ^= work; - right = rotrFixed(right^work, 20U); - work = (left ^ right) & 0xffff0000; - left ^= work; - right = rotrFixed(right^work, 18U); - work = (left ^ right) & 0x33333333; - left ^= work; - right = rotrFixed(right^work, 6U); - work = (left ^ right) & 0x00ff00ff; - left ^= work; - right = rotlFixed(right^work, 9U); - work = (left ^ right) & 0xaaaaaaaa; - left = rotlFixed(left^work, 1U); - right ^= work; - - RawProcessBlock (&left, &right, encrypt ? key->k1 : key->k1d); - RawProcessBlock (&right, &left, !encrypt ? key->k2 : key->k2d); - RawProcessBlock (&left, &right, encrypt ? key->k3 : key->k3d); - - right = rotrFixed(right, 1U); - work = (left ^ right) & 0xaaaaaaaa; - right ^= work; - left = rotrFixed(left^work, 9U); - work = (left ^ right) & 0x00ff00ff; - right ^= work; - left = rotlFixed(left^work, 6U); - work = (left ^ right) & 0x33333333; - right ^= work; - left = rotlFixed(left^work, 18U); - work = (left ^ right) & 0xffff0000; - right ^= work; - left = rotlFixed(left^work, 20U); - work = (left ^ right) & 0xf0f0f0f0; - right ^= work; - left = rotrFixed(left^work, 4U); - - ((word32 *)outBlock)[0] = BE32 (right); - ((word32 *)outBlock)[1] = BE32 (left); -} -- cgit v1.2.3