00001
00002
00003 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
00004
00005
00006
00007 #define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
00008 |(rol(block->l[i],8)&0x00FF00FF))
00009 #define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
00010 ^block->l[(i+2)&15]^block->l[i&15],1))
00011
00012
00013 #define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
00014 #define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
00015 #define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
00016 #define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
00017 #define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
00018
00019
00020 #define S0(v,w,x,y,z,i) z+=((w&(x^y))^y)+0x5A827999+rol(v,5);w=rol(w,30);
00021 #define S1(v,w,x,y,z,i) z+=((w&(x^y))^y)+0x5A827999+rol(v,5);w=rol(w,30);
00022 #define S2(v,w,x,y,z,i) z+=(w^x^y)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
00023 #define S3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+0x8F1BBCDC+rol(v,5);w=rol(w,30);
00024 #define S4(v,w,x,y,z,i) z+=(w^x^y)+0xCA62C1D6+rol(v,5);w=rol(w,30);
00025
00026
00027 static inline int gg_login_sha1hash(const unsigned char *password, const size_t passlen, const uint32_t seed, const uint32_t *dig) {
00028 #define SHA_STATE0 0x67452301
00029 #define SHA_STATE1 0xEFCDAB89
00030 #define SHA_STATE2 0x98BADCFE
00031 #define SHA_STATE3 0x10325476
00032 #define SHA_STATE4 0xC3D2E1F0
00033 int i;
00034
00035 unsigned char buffer[64];
00036
00037
00038
00039 uint32_t a = SHA_STATE0;
00040 uint32_t b = SHA_STATE1;
00041 uint32_t c = SHA_STATE2;
00042 uint32_t d = SHA_STATE3;
00043 uint32_t e = SHA_STATE4;
00044
00045
00046 {
00047 for (i = 0; i < passlen; i++)
00048 buffer[i] = digit[password[i]];
00049
00050 memcpy(&buffer[passlen], &seed, 4);
00051 }
00052
00053
00054
00055 {
00056
00057 buffer[passlen+4] = '\200';
00058 for (i = passlen+5; i < 63-7; i++)
00059 buffer[i] = '\0';
00060
00061
00062 for (i = 63-7; i < 63; i++)
00063 buffer[i] = '\0';
00064
00065 buffer[63] = (unsigned char) (((passlen+4) << 3) & 0xff);
00066 }
00067
00068
00069 {
00070 typedef union {
00071 unsigned char c[64];
00072 uint32_t l[16];
00073 } CHAR64LONG16;
00074
00075 CHAR64LONG16* block = (CHAR64LONG16*) buffer;
00076
00077
00078
00079
00080 R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); S0(c,d,e,a,b, 3);
00081 S0(b,c,d,e,a, 4); S0(a,b,c,d,e, 5); S0(e,a,b,c,d, 6); S0(d,e,a,b,c, 7);
00082 S0(c,d,e,a,b, 8); S0(b,c,d,e,a, 9); S0(a,b,c,d,e,10); S0(e,a,b,c,d,11);
00083 S0(d,e,a,b,c,12); S0(c,d,e,a,b,13); S0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
00084
00085 R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
00086
00087 R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
00088 R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
00089 R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
00090 R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
00091 R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
00092
00093 R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
00094 R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
00095 R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
00096 R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
00097 R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
00098
00099 R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
00100 R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
00101 R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
00102 R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
00103 R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
00104 }
00105
00106 #if ULTRA_DEBUG
00107 printf("%s -> %.8x%.8x%.8x%.8x%.8x\n", realpass, a, b, c, d, e);
00108 #endif
00109
00110
00111 if (dig[0] != a) return 1;
00112 if (dig[1] != b) return 1;
00113 if (dig[2] != c) return 1;
00114 if (dig[3] != d) return 1;
00115 if (dig[4] != e) return 1;
00116
00117 return 0;
00118 }
00119