diff --git a/dotnet/WhiteRabbit.UnmanagedBridge/md5.cpp b/dotnet/WhiteRabbit.UnmanagedBridge/md5.cpp index 43d8818..b766526 100644 --- a/dotnet/WhiteRabbit.UnmanagedBridge/md5.cpp +++ b/dotnet/WhiteRabbit.UnmanagedBridge/md5.cpp @@ -7,101 +7,152 @@ #pragma unmanaged -inline unsigned int Blend(unsigned int a, unsigned int b, unsigned int x) +typedef unsigned int MD5Word; + +inline MD5Word Blend(MD5Word a, MD5Word b, MD5Word x) { return (x & b) | (~x & a); } -inline unsigned int Xor(unsigned int a, unsigned int b, unsigned int c) +inline MD5Word Xor(MD5Word a, MD5Word b, MD5Word c) { return a ^ b ^ c; } -inline unsigned int I(unsigned int a, unsigned int b, unsigned int c) +inline MD5Word I(MD5Word a, MD5Word b, MD5Word c) { return a ^ (b | ~c); } -inline unsigned int LeftRotate(unsigned int x, int left) +template +inline MD5Word LeftRotate(MD5Word x) +{ + return _rotl(x, r); +} + +template +inline MD5Word Step1(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k, MD5Word w) { - return _rotl(x, left); + return b + LeftRotate(k + a + Blend(d, c, b) + w); } -void md5(unsigned int * input, unsigned int* output) +template +inline MD5Word Step1(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k) { + return b + LeftRotate(k + a + Blend(d, c, b)); +} + +template +inline MD5Word Step2(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k, MD5Word w) +{ + return c + LeftRotate(k + a + Blend(d, c, b) + w); +} + +template +inline MD5Word Step2(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k) +{ + return c + LeftRotate(k + a + Blend(d, c, b)); +} + +template +inline MD5Word Step3(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k, MD5Word w) +{ + return b + LeftRotate(k + a + Xor(b, c, d) + w); +} + +template +inline MD5Word Step3(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k) +{ + return b + LeftRotate(k + a + Xor(b, c, d)); +} + +template +inline MD5Word Step4(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k, MD5Word w) +{ + return b + LeftRotate(k + a + I(c, b, d) + w); +} + +template +inline MD5Word Step4(MD5Word a, MD5Word b, MD5Word c, MD5Word d, MD5Word k) +{ + return b + LeftRotate(k + a + I(c, b, d)); +} + +void md5(unsigned int * input, unsigned int * output) +{ + + MD5Word a = 0x67452301; + MD5Word b = 0xefcdab89; + MD5Word c = 0x98badcfe; + MD5Word d = 0x10325476; + + a = Step1<7>(a, b, c, d, 0xd76aa478, input[0]); + d = Step1<12>(d, a, b, c, 0xe8c7b756, input[1]); + c = Step1<17>(c, d, a, b, 0x242070db, input[2]); + b = Step1<22>(b, c, d, a, 0xc1bdceee, input[3]); + a = Step1<7>(a, b, c, d, 0xf57c0faf, input[4]); + d = Step1<12>(d, a, b, c, 0x4787c62a, input[5]); + c = Step1<17>(c, d, a, b, 0xa8304613, input[6]); + b = Step1<22>(b, c, d, a, 0xfd469501); + a = Step1<7>(a, b, c, d, 0x698098d8); + d = Step1<12>(d, a, b, c, 0x8b44f7af); + c = Step1<17>(c, d, a, b, 0xffff5bb1); + b = Step1<22>(b, c, d, a, 0x895cd7be); + a = Step1<7>(a, b, c, d, 0x6b901122); + d = Step1<12>(d, a, b, c, 0xfd987193); + c = Step1<17>(c, d, a, b, 0xa679438e, input[7]); + b = Step1<22>(b, c, d, a, 0x49b40821); + + a = Step2<5>(a, d, b, c, 0xf61e2562, input[1]); + d = Step2<9>(d, c, a, b, 0xc040b340, input[6]); + c = Step2<14>(c, b, d, a, 0x265e5a51); + b = Step2<20>(b, a, c, d, 0xe9b6c7aa, input[0]); + a = Step2<5>(a, d, b, c, 0xd62f105d, input[5]); + d = Step2<9>(d, c, a, b, 0x02441453); + c = Step2<14>(c, b, d, a, 0xd8a1e681); + b = Step2<20>(b, a, c, d, 0xe7d3fbc8, input[4]); + a = Step2<5>(a, d, b, c, 0x21e1cde6); + d = Step2<9>(d, c, a, b, 0xc33707d6, input[7]); + c = Step2<14>(c, b, d, a, 0xf4d50d87, input[3]); + b = Step2<20>(b, a, c, d, 0x455a14ed); + a = Step2<5>(a, d, b, c, 0xa9e3e905); + d = Step2<9>(d, c, a, b, 0xfcefa3f8, input[2]); + c = Step2<14>(c, b, d, a, 0x676f02d9); + b = Step2<20>(b, a, c, d, 0x8d2a4c8a); + + a = Step3<4>(a, b, c, d, 0xfffa3942, input[5]); + d = Step3<11>(d, a, b, c, 0x8771f681); + c = Step3<16>(c, d, a, b, 0x6d9d6122); + b = Step3<23>(b, c, d, a, 0xfde5380c, input[7]); + a = Step3<4>(a, b, c, d, 0xa4beea44, input[1]); + d = Step3<11>(d, a, b, c, 0x4bdecfa9, input[4]); + c = Step3<16>(c, d, a, b, 0xf6bb4b60); + b = Step3<23>(b, c, d, a, 0xbebfbc70); + a = Step3<4>(a, b, c, d, 0x289b7ec6); + d = Step3<11>(d, a, b, c, 0xeaa127fa, input[0]); + c = Step3<16>(c, d, a, b, 0xd4ef3085, input[3]); + b = Step3<23>(b, c, d, a, 0x04881d05, input[6]); + a = Step3<4>(a, b, c, d, 0xd9d4d039); + d = Step3<11>(d, a, b, c, 0xe6db99e5); + c = Step3<16>(c, d, a, b, 0x1fa27cf8); + b = Step3<23>(b, c, d, a, 0xc4ac5665, input[2]); - unsigned int a = 0x67452301; - unsigned int b = 0xefcdab89; - unsigned int c = 0x98badcfe; - unsigned int d = 0x10325476; - - a = b + LeftRotate(0xd76aa478 + a + Blend(d, c, b) + input[0], 7); - d = a + LeftRotate(0xe8c7b756 + d + Blend(c, b, a) + input[1], 12); - c = d + LeftRotate(0x242070db + c + Blend(b, a, d) + input[2], 17); - b = c + LeftRotate(0xc1bdceee + b + Blend(a, d, c) + input[3], 22); - a = b + LeftRotate(0xf57c0faf + a + Blend(d, c, b) + input[4], 7); - d = a + LeftRotate(0x4787c62a + d + Blend(c, b, a) + input[5], 12); - c = d + LeftRotate(0xa8304613 + c + Blend(b, a, d) + input[6], 17); - b = c + LeftRotate(0xfd469501 + b + Blend(a, d, c), 22); - a = b + LeftRotate(0x698098d8 + a + Blend(d, c, b), 7); - d = a + LeftRotate(0x8b44f7af + d + Blend(c, b, a), 12); - c = d + LeftRotate(0xffff5bb1 + c + Blend(b, a, d), 17); - b = c + LeftRotate(0x895cd7be + b + Blend(a, d, c), 22); - a = b + LeftRotate(0x6b901122 + a + Blend(d, c, b), 7); - d = a + LeftRotate(0xfd987193 + d + Blend(c, b, a), 12); - c = d + LeftRotate(0xa679438e + c + Blend(b, a, d) + input[7], 17); - b = c + LeftRotate(0x49b40821 + b + Blend(a, d, c), 22); - - a = b + LeftRotate(0xf61e2562 + a + Blend(c, b, d) + input[1], 5); - d = a + LeftRotate(0xc040b340 + d + Blend(b, a, c) + input[6], 9); - c = d + LeftRotate(0x265e5a51 + c + Blend(a, d, b), 14); - b = c + LeftRotate(0xe9b6c7aa + b + Blend(d, c, a) + input[0], 20); - a = b + LeftRotate(0xd62f105d + a + Blend(c, b, d) + input[5], 5); - d = a + LeftRotate(0x02441453 + d + Blend(b, a, c), 9); - c = d + LeftRotate(0xd8a1e681 + c + Blend(a, d, b), 14); - b = c + LeftRotate(0xe7d3fbc8 + b + Blend(d, c, a) + input[4], 20); - a = b + LeftRotate(0x21e1cde6 + a + Blend(c, b, d), 5); - d = a + LeftRotate(0xc33707d6 + d + Blend(b, a, c) + input[7], 9); - c = d + LeftRotate(0xf4d50d87 + c + Blend(a, d, b) + input[3], 14); - b = c + LeftRotate(0x455a14ed + b + Blend(d, c, a), 20); - a = b + LeftRotate(0xa9e3e905 + a + Blend(c, b, d), 5); - d = a + LeftRotate(0xfcefa3f8 + d + Blend(b, a, c) + input[2], 9); - c = d + LeftRotate(0x676f02d9 + c + Blend(a, d, b), 14); - b = c + LeftRotate(0x8d2a4c8a + b + Blend(d, c, a), 20); - - a = b + LeftRotate(0xfffa3942 + a + Xor(b, c, d) + input[5], 4); - d = a + LeftRotate(0x8771f681 + d + Xor(a, b, c), 11); - c = d + LeftRotate(0x6d9d6122 + c + Xor(d, a, b), 16); - b = c + LeftRotate(0xfde5380c + b + Xor(c, d, a) + input[7], 23); - a = b + LeftRotate(0xa4beea44 + a + Xor(b, c, d) + input[1], 4); - d = a + LeftRotate(0x4bdecfa9 + d + Xor(a, b, c) + input[4], 11); - c = d + LeftRotate(0xf6bb4b60 + c + Xor(d, a, b), 16); - b = c + LeftRotate(0xbebfbc70 + b + Xor(c, d, a), 23); - a = b + LeftRotate(0x289b7ec6 + a + Xor(b, c, d), 4); - d = a + LeftRotate(0xeaa127fa + d + Xor(a, b, c) + input[0], 11); - c = d + LeftRotate(0xd4ef3085 + c + Xor(d, a, b) + input[3], 16); - b = c + LeftRotate(0x04881d05 + b + Xor(c, d, a) + input[6], 23); - a = b + LeftRotate(0xd9d4d039 + a + Xor(b, c, d), 4); - d = a + LeftRotate(0xe6db99e5 + d + Xor(a, b, c), 11); - c = d + LeftRotate(0x1fa27cf8 + c + Xor(d, a, b), 16); - b = c + LeftRotate(0xc4ac5665 + b + Xor(c, d, a) + input[2], 23); - - a = b + LeftRotate(0xf4292244 + a + I(c, b, d) + input[0], 6); - d = a + LeftRotate(0x432aff97 + d + I(b, a, c), 10); - c = d + LeftRotate(0xab9423a7 + c + I(a, d, b) + input[7], 15); - b = c + LeftRotate(0xfc93a039 + b + I(d, c, a) + input[5], 21); - a = b + LeftRotate(0x655b59c3 + a + I(c, b, d), 6); - d = a + LeftRotate(0x8f0ccc92 + d + I(b, a, c) + input[3], 10); - c = d + LeftRotate(0xffeff47d + c + I(a, d, b), 15); - b = c + LeftRotate(0x85845dd1 + b + I(d, c, a) + input[1], 21); - a = b + LeftRotate(0x6fa87e4f + a + I(c, b, d), 6); - d = a + LeftRotate(0xfe2ce6e0 + d + I(b, a, c), 10); - c = d + LeftRotate(0xa3014314 + c + I(a, d, b) + input[6], 15); - b = c + LeftRotate(0x4e0811a1 + b + I(d, c, a), 21); - a = b + LeftRotate(0xf7537e82 + a + I(c, b, d) + input[4], 6); - d = a + LeftRotate(0xbd3af235 + d + I(b, a, c), 10); - c = d + LeftRotate(0x2ad7d2bb + c + I(a, d, b) + input[2], 15); - b = c + LeftRotate(0xeb86d391 + b + I(d, c, a), 21); + a = Step4<6>(a, b, c, d, 0xf4292244, input[0]); + d = Step4<10>(d, a, b, c, 0x432aff97); + c = Step4<15>(c, d, a, b, 0xab9423a7, input[7]); + b = Step4<21>(b, c, d, a, 0xfc93a039, input[5]); + a = Step4<6>(a, b, c, d, 0x655b59c3); + d = Step4<10>(d, a, b, c, 0x8f0ccc92, input[3]); + c = Step4<15>(c, d, a, b, 0xffeff47d); + b = Step4<21>(b, c, d, a, 0x85845dd1, input[1]); + a = Step4<6>(a, b, c, d, 0x6fa87e4f); + d = Step4<10>(d, a, b, c, 0xfe2ce6e0); + c = Step4<15>(c, d, a, b, 0xa3014314, input[6]); + b = Step4<21>(b, c, d, a, 0x4e0811a1); + a = Step4<6>(a, b, c, d, 0xf7537e82, input[4]); + d = Step4<10>(d, a, b, c, 0xbd3af235); + c = Step4<15>(c, d, a, b, 0x2ad7d2bb, input[2]); + b = Step4<21>(b, c, d, a, 0xeb86d391); output[0] = 0x67452301 + a; output[1] = 0xefcdab89 + b;