haval.cpp
00001
00002
00003
#include "pch.h"
00004
#include "haval.h"
00005
#include "misc.h"
00006
00007 NAMESPACE_BEGIN(CryptoPP)
00008
00009 HAVAL::
HAVAL(
unsigned int digestSize,
unsigned int pass)
00010 : digestSize(digestSize), pass(pass)
00011 {
00012 SetStateSize(DIGESTSIZE);
00013
00014
if (!(digestSize >= 16 && digestSize <= 32 && digestSize%4==0))
00015
throw InvalidArgument(
"HAVAL: invalid digest size");
00016
00017
if (!(pass >= 3 && pass <= 5))
00018
throw InvalidArgument(
"HAVAL: invalid number of passes");
00019
00020 Init();
00021 }
00022
00023
void HAVAL::Init()
00024 {
00025 m_digest[0] = 0x243F6A88;
00026 m_digest[1] = 0x85A308D3;
00027 m_digest[2] = 0x13198A2E;
00028 m_digest[3] = 0x03707344;
00029 m_digest[4] = 0xA4093822;
00030 m_digest[5] = 0x299F31D0;
00031 m_digest[6] = 0x082EFA98;
00032 m_digest[7] = 0xEC4E6C89;
00033 }
00034
00035
void HAVAL::HashEndianCorrectedBlock(
const word32 *in)
00036 {
00037
if (pass==3)
00038 HAVAL3::Transform(m_digest, in);
00039
else if (pass==4)
00040 HAVAL4::Transform(m_digest, in);
00041
else
00042 HAVAL5::Transform(m_digest, in);
00043 }
00044
00045 void HAVAL::TruncatedFinal(byte *hash,
unsigned int size)
00046 {
00047 ThrowIfInvalidTruncatedSize(size);
00048
00049 PadLastBlock(118, 1);
00050 CorrectEndianess(m_data, m_data, 120);
00051
00052 m_data[29] &= 0xffff;
00053 m_data[29] |= ((word32)digestSize<<25) | ((word32)pass<<19) | ((word32)HAVAL_VERSION<<16);
00054 m_data[30] = GetBitCountLo();
00055 m_data[31] = GetBitCountHi();
00056
00057 HashEndianCorrectedBlock(m_data);
00058 Tailor(digestSize*8);
00059 CorrectEndianess(m_digest, m_digest, digestSize);
00060 memcpy(hash, m_digest, size);
00061
00062
Restart();
00063 }
00064
00065
#define ROTR(x, y) rotrFixed(x, y##u)
00066
00067
00068
void HAVAL::Tailor(
unsigned int bitlen)
00069 {
00070
#define EB(a, b, c) (m_digest[a] & (((~(word32)0) << b) & ((~(word32)0) >> (8*sizeof(word32)-b-c))))
00071
#define S(a, b) (a > b ? a - b : 32 + a - b)
00072
#define T128(a, b, c, d, e) ROTR(EB(7, b, S(a,b)) | EB(6, c, S(b,c)) | EB(5, d, S(c,d)) | EB(4, e, S(d,e)), e)
00073
#define T160(a, b, c, d) ROTR(EB(7, b, S(a,b)) | EB(6, c, S(b,c)) | EB(5, d, S(c,d)), d)
00074
#define T192(a, b, c) ROTR(EB(7, b, S(a,b)) | EB(6, c, S(b,c)), c)
00075
#define T224(a, b) ROTR(EB(7, b, S(a,b)), b)
00076
00077
switch (bitlen)
00078 {
00079
case 128:
00080 m_digest[0] += T128(8, 0, 24, 16, 8);
00081 m_digest[1] += T128(16, 8, 0, 24, 16);
00082 m_digest[2] += T128(24, 16, 8, 0, 24);
00083 m_digest[3] += T128(0, 24, 16, 8, 0);
00084
break;
00085
00086
case 160:
00087 m_digest[0] += T160(6, 0, 25, 19);
00088 m_digest[1] += T160(12, 6, 0, 25);
00089 m_digest[2] += T160(19, 12, 6, 0);
00090 m_digest[3] += T160(25, 19, 12, 6);
00091 m_digest[4] += T160(0, 25, 19, 12);
00092
break;
00093
00094
case 192:
00095 m_digest[0] += T192(5, 0, 26);
00096 m_digest[1] += T192(10, 5, 0);
00097 m_digest[2] += T192(16, 10, 5);
00098 m_digest[3] += T192(21, 16, 10);
00099 m_digest[4] += T192(26, 21, 16);
00100 m_digest[5] += T192(0, 26, 21);
00101
break;
00102
00103
case 224:
00104 m_digest[0] += T224(0, 27);
00105 m_digest[1] += T224(27, 22);
00106 m_digest[2] += T224(22, 18);
00107 m_digest[3] += T224(18, 13);
00108 m_digest[4] += T224(13, 9);
00109 m_digest[5] += T224(9, 4);
00110 m_digest[6] += T224(4, 0);
00111
break;
00112
00113
case 256:
00114
break;
00115
00116
default:
00117 assert(
false);
00118 }
00119 }
00120
00121
00122
00123
00124
00125
#define F1(X6, X5, X4, X3, X2, X1, X0) \
00126
(((X1) & ((X4) ^ (X0))) ^ ((X2) & (X5)) ^ ((X3) & (X6)) ^ (X0))
00127
00128
00129
00130
00131
00132
#define F2(X6, X5, X4, X3, X2, X1, X0) \
00133
(((X2) & (((X1) & (~(X3))) ^ ((X4) & (X5)) ^ (X6) ^ (X0))) ^ \
00134
(((X4) & ((X1) ^ (X5))) ^ ((X3) & (X5)) ^ (X0)))
00135
00136
00137
00138
00139
#define F3(X6, X5, X4, X3, X2, X1, X0) \
00140
(((X3) & (((X1) & (X2)) ^ (X6) ^ (X0))) ^ ((X1) & (X4)) ^ \
00141
((X2) & (X5)) ^ (X0))
00142
00143
00144
00145
00146
00147
#define F4(X6, X5, X4, X3, X2, X1, X0) \
00148
(((X4) & (((~(X2)) & (X5)) ^ ((X3) | (X6)) ^ (X1) ^ (X0))) ^ \
00149
((X3) & (((X1) & (X2)) ^ (X5) ^ (X6))) ^ ((X2) & (X6)) ^ (X0))
00150
00151
00152
00153
00154
#define F5(X6, X5, X4, X3, X2, X1, X0) \
00155
(((X1) & ((X4) ^ ((X0) & (X2) & (X3)))) ^ \
00156
(((X2) ^ (X0)) & (X5)) ^ ((X3) & (X6)) ^ (X0))
00157
00158
#define p31(x) (x==0 ? 1 : (x==1 ? 0 : (x==2 ? 3 : (x==3 ? 5 : (x==4 ? 6 : (x==5 ? 2 : (x==6 ? 4 : 7)))))))
00159
#define p41(x) (x==0 ? 2 : (x==1 ? 6 : (x==2 ? 1 : (x==3 ? 4 : (x==4 ? 5 : (x==5 ? 3 : (x==6 ? 0 : 7)))))))
00160
#define p51(x) (x==0 ? 3 : (x==1 ? 4 : (x==2 ? 1 : (x==3 ? 0 : (x==4 ? 5 : (x==5 ? 2 : (x==6 ? 6 : 7)))))))
00161
#define p32(x) (x==0 ? 4 : (x==1 ? 2 : (x==2 ? 1 : (x==3 ? 0 : (x==4 ? 5 : (x==5 ? 3 : (x==6 ? 6 : 7)))))))
00162
#define p42(x) (x==0 ? 3 : (x==1 ? 5 : (x==2 ? 2 : (x==3 ? 0 : (x==4 ? 1 : (x==5 ? 6 : (x==6 ? 4 : 7)))))))
00163
#define p52(x) (x==0 ? 6 : (x==1 ? 2 : (x==2 ? 1 : (x==3 ? 0 : (x==4 ? 3 : (x==5 ? 4 : (x==6 ? 5 : 7)))))))
00164
#define p33(x) (x==0 ? 6 : (x==1 ? 1 : (x==2 ? 2 : (x==3 ? 3 : (x==4 ? 4 : (x==5 ? 5 : (x==6 ? 0 : 7)))))))
00165
#define p43(x) (x==0 ? 1 : (x==1 ? 4 : (x==2 ? 3 : (x==3 ? 6 : (x==4 ? 0 : (x==5 ? 2 : (x==6 ? 5 : 7)))))))
00166
#define p53(x) (x==0 ? 2 : (x==1 ? 6 : (x==2 ? 0 : (x==3 ? 4 : (x==4 ? 3 : (x==5 ? 1 : (x==6 ? 5 : 7)))))))
00167
#define p44(x) (x==0 ? 6 : (x==1 ? 4 : (x==2 ? 0 : (x==3 ? 5 : (x==4 ? 2 : (x==5 ? 1 : (x==6 ? 3 : 7)))))))
00168
#define p54(x) (x==0 ? 1 : (x==1 ? 5 : (x==2 ? 3 : (x==3 ? 2 : (x==4 ? 0 : (x==5 ? 4 : (x==6 ? 6 : 7)))))))
00169
#define p55(x) (x==0 ? 2 : (x==1 ? 5 : (x==2 ? 0 : (x==3 ? 6 : (x==4 ? 4 : (x==5 ? 3 : (x==6 ? 1 : 7)))))))
00170
00171
#define t(b,p,x,j) ((b&&((p(x)+8-j)%8<(8-j)))?E:T)[(p(x)+8-j)%8]
00172
00173
#define FF(b, e, F, p, j, w, c) \
00174
T[7-j] = rotrFixed(F(t(b,p,0,j), t(b,p,1,j), t(b,p,2,j), t(b,p,3,j), t(b,p,4,j), t(b,p,5,j), t(b,p,6,j)), 7U) + rotrFixed(t(b,p,7,j), 11U) + w + c; \
00175
if (e) E[7-j] += T[7-j];
00176
00177
#ifdef CRYPTOPP_DOXYGEN_PROCESSING
00178
00179
#define Round1(t)
00180
#define Round(t, n)
00181
#else
00182
#define Round1(t) \
00183
for (i=0; i<4; i++) \
00184
{ \
00185
FF(i==0, 0, F1, p##t##1, 0, W[8*i+0], 0); \
00186
FF(i==0, 0, F1, p##t##1, 1, W[8*i+1], 0); \
00187
FF(i==0, 0, F1, p##t##1, 2, W[8*i+2], 0); \
00188
FF(i==0, 0, F1, p##t##1, 3, W[8*i+3], 0); \
00189
FF(i==0, 0, F1, p##t##1, 4, W[8*i+4], 0); \
00190
FF(i==0, 0, F1, p##t##1, 5, W[8*i+5], 0); \
00191
FF(i==0, 0, F1, p##t##1, 6, W[8*i+6], 0); \
00192
FF(i==0, 0, F1, p##t##1, 7, W[8*i+7], 0); \
00193
}
00194
#define Round(t, n) \
00195
for (i=0; i<4; i++) \
00196
{ \
00197
FF(0, t==n && i==3, F##n, p##t##n, 0, W[wi##n[8*i+0]], mc##n[8*i+0]); \
00198
FF(0, t==n && i==3, F##n, p##t##n, 1, W[wi##n[8*i+1]], mc##n[8*i+1]); \
00199
FF(0, t==n && i==3, F##n, p##t##n, 2, W[wi##n[8*i+2]], mc##n[8*i+2]); \
00200
FF(0, t==n && i==3, F##n, p##t##n, 3, W[wi##n[8*i+3]], mc##n[8*i+3]); \
00201
FF(0, t==n && i==3, F##n, p##t##n, 4, W[wi##n[8*i+4]], mc##n[8*i+4]); \
00202
FF(0, t==n && i==3, F##n, p##t##n, 5, W[wi##n[8*i+5]], mc##n[8*i+5]); \
00203
FF(0, t==n && i==3, F##n, p##t##n, 6, W[wi##n[8*i+6]], mc##n[8*i+6]); \
00204
FF(0, t==n && i==3, F##n, p##t##n, 7, W[wi##n[8*i+7]], mc##n[8*i+7]); \
00205
}
00206
#endif
00207
00208
const unsigned int HAVAL::wi2[32] = { 5,14,26,18,11,28, 7,16, 0,23,20,22, 1,10, 4, 8,30, 3,21, 9,17,24,29, 6,19,12,15,13, 2,25,31,27};
00209
const unsigned int HAVAL::wi3[32] = {19, 9, 4,20,28,17, 8,22,29,14,25,12,24,30,16,26,31,15, 7, 3, 1, 0,18,27,13, 6,21,10,23,11, 5, 2};
00210
const unsigned int HAVAL::wi4[32] = {24, 4, 0,14, 2, 7,28,23,26, 6,30,20,18,25,19, 3,22,11,31,21, 8,27,12, 9, 1,29, 5,15,17,10,16,13};
00211
const unsigned int HAVAL::wi5[32] = {27, 3,21,26,17,11,20,29,19, 0,12, 7,13, 8,31,10, 5, 9,14,30,18, 6,28,24, 2,23,16,22, 4, 1,25,15};
00212
00213
const word32 HAVAL::mc2[32] = {
00214 0x452821E6, 0x38D01377, 0xBE5466CF, 0x34E90C6C, 0xC0AC29B7, 0xC97C50DD, 0x3F84D5B5, 0xB5470917
00215 , 0x9216D5D9, 0x8979FB1B, 0xD1310BA6, 0x98DFB5AC, 0x2FFD72DB, 0xD01ADFB7, 0xB8E1AFED, 0x6A267E96
00216 , 0xBA7C9045, 0xF12C7F99, 0x24A19947, 0xB3916CF7, 0x0801F2E2, 0x858EFC16, 0x636920D8, 0x71574E69
00217 , 0xA458FEA3, 0xF4933D7E, 0x0D95748F, 0x728EB658, 0x718BCD58, 0x82154AEE, 0x7B54A41D, 0xC25A59B5};
00218
00219
const word32 HAVAL::mc3[32] = {
00220 0x9C30D539,0x2AF26013,0xC5D1B023,0x286085F0,0xCA417918,0xB8DB38EF,0x8E79DCB0,0x603A180E,
00221 0x6C9E0E8B,0xB01E8A3E,0xD71577C1,0xBD314B27,0x78AF2FDA,0x55605C60,0xE65525F3,0xAA55AB94,
00222 0x57489862,0x63E81440,0x55CA396A,0x2AAB10B6,0xB4CC5C34,0x1141E8CE,0xA15486AF,0x7C72E993,
00223 0xB3EE1411,0x636FBC2A,0x2BA9C55D,0x741831F6,0xCE5C3E16,0x9B87931E,0xAFD6BA33,0x6C24CF5C};
00224
00225
const word32 HAVAL::mc4[32] = {
00226 0x7A325381,0x28958677,0x3B8F4898,0x6B4BB9AF,0xC4BFE81B,0x66282193,0x61D809CC,0xFB21A991,
00227 0x487CAC60,0x5DEC8032,0xEF845D5D,0xE98575B1,0xDC262302,0xEB651B88,0x23893E81,0xD396ACC5,
00228 0x0F6D6FF3,0x83F44239,0x2E0B4482,0xA4842004,0x69C8F04A,0x9E1F9B5E,0x21C66842,0xF6E96C9A,
00229 0x670C9C61,0xABD388F0,0x6A51A0D2,0xD8542F68,0x960FA728,0xAB5133A3,0x6EEF0B6C,0x137A3BE4};
00230
00231
const word32 HAVAL::mc5[32] = {
00232 0xBA3BF050,0x7EFB2A98,0xA1F1651D,0x39AF0176,0x66CA593E,0x82430E88,0x8CEE8619,0x456F9FB4,
00233 0x7D84A5C3,0x3B8B5EBE,0xE06F75D8,0x85C12073,0x401A449F,0x56C16AA6,0x4ED3AA62,0x363F7706,
00234 0x1BFEDF72,0x429B023D,0x37D0D724,0xD00A1248,0xDB0FEAD3,0x49F1C09B,0x075372C9,0x80991B7B,
00235 0x25D479D8,0xF6E8DEF7,0xE3FE501A,0xB6794C3B,0x976CE0BD,0x04C006BA,0xC1A94FB6,0x409F60C4};
00236
00237
void HAVAL3::Transform(word32 *E,
const word32 *W)
00238 {
00239 word32 T[8];
00240
unsigned int i;
00241
00242 Round1(3);
00243 Round(3, 2);
00244 Round(3, 3);
00245
00246 memset(T, 0,
sizeof(T));
00247 }
00248
00249
void HAVAL4::Transform(word32 *E,
const word32 *W)
00250 {
00251 word32 T[8];
00252
unsigned int i;
00253
00254 Round1(4);
00255 Round(4, 2);
00256 Round(4, 3);
00257 Round(4, 4);
00258
00259 memset(T, 0,
sizeof(T));
00260 }
00261
00262
void HAVAL5::Transform(word32 *E,
const word32 *W)
00263 {
00264 word32 T[8];
00265
unsigned int i;
00266
00267 Round1(5);
00268 Round(5, 2);
00269 Round(5, 3);
00270 Round(5, 4);
00271 Round(5, 5);
00272
00273 memset(T, 0,
sizeof(T));
00274 }
00275
00276 NAMESPACE_END
Generated on Wed Jul 21 19:15:26 2004 for Crypto++ by
1.3.7-20040704