TestConsole_DirveInfo_MD5_2009_05_27.rar

#include "md5.h" #include <S32FILE.H> // Link against: estor.lib #include <S32BUF.H> const TUint8 PADDING[64] = { 0x80 }; /* padding for calculate */ const TUint16 HEX[16]= { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; const TInt BUFFER_SIZE = 1024; /* Constants for MD5Transform routine. */ #define S11 7 #define S12 12 #define S13 17 #define S14 22 #define S21 5 #define S22 9 #define S23 14 #define S24 20 #define S31 4 #define S32 11 #define S33 16 #define S34 23 #define S41 6 #define S42 10 #define S43 15 #define S44 21 /* F, G, H and I are basic MD5 functions. */ #define F(x, y, z) (((x) & (y)) | ((~x) & (z))) #define G(x, y, z) (((x) & (z)) | ((y) & (~z))) #define H(x, y, z) ((x) ^ (y) ^ (z)) #define I(x, y, z) ((y) ^ ((x) | (~z))) /* ROTATE_LEFT rotates x left n bits. */ #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. Rotation is separate from addition to prevent recomputation. */ #define FF(a, b, c, d, x, s, ac) { \ (a) += F ((b), (c), (d)) + (x) + ac; \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } #define GG(a, b, c, d, x, s, ac) { \ (a) += G ((b), (c), (d)) + (x) + ac; \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } #define HH(a, b, c, d, x, s, ac) { \ (a) += H ((b), (c), (d)) + (x) + ac; \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } #define II(a, b, c, d, x, s, ac) { \ (a) += I ((b), (c), (d)) + (x) + ac; \ (a) = ROTATE_LEFT ((a), (s)); \ (a) += (b); \ } //const TUint8 CMD5::PADDING[64] = { 0x80 }; //const TChar CMD5::HEX[16] = { // '0', '1', '2', '3', // '4', '5', '6', '7', // '8', '9', 'a', 'b', // 'c', 'd', 'e', 'f' //}; /* Default construct. */ CMD5::CMD5() { Reset(); } /* Construct a MD5 object with a input buffer. */ CMD5::CMD5(const void* aInput, TUint aLength) { Reset(); Update(aInput, aLength); } /* Construct a MD5 object with a string. */ CMD5::CMD5(const TDesC& str) { Reset(); Update(str); } /* Construct a MD5 object with a file. */ CMD5::CMD5(RFileReadStream& in) { Reset(); Update(in); } /* Return the message-digest */ const TUint8* CMD5::Digest() { if (!iFinished) { iFinished = true; Final(); } return iDigest; } /* Reset the calculate state */ void CMD5::Reset() { iFinished = EFalse; /* reset number of bits. */ iCount[0] = iCount[1] = 0; /* Load magic initialization constants. */ iState[0] = 0x67452301; iState[1] = 0xefcdab89; iState[2] = 0x98badcfe; iState[3] = 0x10325476; } /* Updating the context with a input buffer. */ void CMD5::Update(const void* aInput, TUint aLength) { Update((const TUint8*) aInput, aLength); } /* Updating the context with a string. */ void CMD5::Update(const TDesC& str) { Update((const TUint8*) str.Ptr(), str.Length()); } /* Updating the context with a file. */ void CMD5::Update(RFileReadStream& in) { TInt leftSize; TUint8 buffer[BUFFER_SIZE]; MStreamBuf * srcBuf = in.Source(); leftSize = srcBuf->SizeL(); while (leftSize > 0) { TInt readSize = (leftSize > BUFFER_SIZE) ? BUFFER_SIZE : leftSize; TRAPD(err,in.ReadL(buffer, readSize)); if (err == KErrNone) { Update(buffer, readSize); leftSize -= readSize; } else { break; } } } /* MD5 block Update operation. Continues an MD5 message-digest operation, processing another message block, and updating the context. */ void CMD5::Update(const TUint8* aInput, TUint aLength) { TUint32 i, index, partLen; iFinished = EFalse; /* Compute number of bytes mod 64 */ index = (TUint32) ((iCount[0] >> 3) & 0x3f); /* Update number of bits */ if ((iCount[0] += ((TUint32) aLength << 3)) < ((TUint32) aLength << 3)) { ++iCount[1]; } iCount[1] += ((TUint32) aLength >> 29); partLen = 64 - index; /* transform as many times as possible. */ if (aLength >= partLen) { Mem::Copy(&iBuffer[index], aInput, partLen); Transform(iBuffer); for (i = partLen; i + 63 < aLength; i += 64) { Transform(&aInput[i]); } index = 0; } else { i = 0; } /* Buffer remaining input */ Mem::Copy(&iBuffer[index], &aInput[i], aLength - i); } /* MD5 finalization. Ends an MD5 message-_digest operation, writing the the message iDigest and zeroizing the context. */ void CMD5::Final() { TUint8 bits[8]; TUint32 oldState[4]; TUint32 oldCount[2]; TUint32 index, padLen; /* Save current state and count. */ Mem::Copy(oldState, iState, 16); Mem::Copy(oldCount, iCount, 8); /* Save number of bits */ Encode(iCount, bits, 8); /* Pad out to 56 mod 64. */ index = (TUint32) ((iCount[0] >> 3) & 0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); Update(PADDING, padLen); /* Append length (before padding) */ Update(bits, 8); /* Store state in digest */ Encode(iState, iDigest, 16); /* Restore current state and count. */ Mem::Copy(iState, oldState, 16); Mem::Copy(iCount, oldCount, 8); } /* MD5 basic transformation. Transforms iState based on block. */ void CMD5::Transform(const TUint8 block[64]) { TUint32 a = iState[0], b = iState[1], c = iState[2], d = iState[3], x[16]; Decode(block, x, 64); /* Round 1 */ FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ /* Round 2 */ GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ /* Round 3 */ HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ /* Round 4 */ II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ II (d, a, b, c, x[ 7], S