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Diffstat (limited to 'experimental/tqtinterface/qt4/qmake/tqtmd5.cpp')
-rw-r--r-- | experimental/tqtinterface/qt4/qmake/tqtmd5.cpp | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/experimental/tqtinterface/qt4/qmake/tqtmd5.cpp b/experimental/tqtinterface/qt4/qmake/tqtmd5.cpp new file mode 100644 index 000000000..9480b8eac --- /dev/null +++ b/experimental/tqtinterface/qt4/qmake/tqtmd5.cpp @@ -0,0 +1,324 @@ +/* derived from the RSA Data Security, Inc. MD5 Message-Digest Algorithm */ +#include <tqstring.h> +#include "tqtmd5.h" + +typedef unsigned char *POINTER; +typedef unsigned short int UINT2; +typedef unsigned long int UINT4; + +typedef struct { + UINT4 state[4]; // state(ABCD) + UINT4 count[2]; // number of bits, modulo 2^64(lsb first) + unsigned char buffer[64]; // input buffer +} MD5_CTX; + +static void MD5Init(MD5_CTX *); +static void MD5Update(MD5_CTX *, unsigned char *, unsigned int); +static void MD5Final(unsigned char [16], MD5_CTX *); +static void MD5Transform(UINT4[4], unsigned char[64]); +static void Encode(unsigned char *, UINT4 *, unsigned int); +static void Decode(UINT4 *, unsigned char *, unsigned int); +static void MD5_memset(POINTER, int, unsigned int); +static void MD5_memcpy(POINTER output,POINTER input,unsigned int len); + +// Constants for MD5Transform routine. +enum { + S11 = 7, S12 = 12, S13 = 17, S14 = 22, S21 = 5, S22 = 9, S23 = 14, S24 = 20, + S31 = 4, S32 = 11, S33 = 16, S34 = 23, S41 = 6, S42 = 10, S43 = 15, S44 = 21 +}; + +static unsigned char PADDING[64] = { + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +// F, G, H and I are basic MD5 functions. +static inline UINT4 F(UINT4 x, UINT4 y, UINT4 z) +{ + return(x & y) |((~x) & z); +} + +static inline UINT4 G(UINT4 x, UINT4 y, UINT4 z) +{ + return(x & z) |(y &(~z)); +} + +static inline UINT4 H(UINT4 x, UINT4 y, UINT4 z) +{ + return x ^ y ^ z; +} + +static inline UINT4 I(UINT4 x, UINT4 y, UINT4 z) +{ + return y ^(x |(~z)); +} + +static inline UINT4 rotateLeft(UINT4 x, UINT4 n) +{ + return(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. +static inline void FF(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += F(b, c, d) + x + ac; + a = rotateLeft(a, s); + a += b; +} + +static inline void GG(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += G(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +static inline void HH(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += H(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +static inline void II(UINT4 &a, UINT4 b, UINT4 c, UINT4 d, UINT4 x, UINT4 s, UINT4 ac) +{ + a += I(b, c, d) + x +(UINT4)(ac); + a = rotateLeft(a, s); + a += b; +} + +// MD5 initialization. Begins an MD5 operation, writing a new context. +static void MD5Init(MD5_CTX *context) +{ + context->count[0] = context->count[1] = 0; + + // Load magic initialization constants. + context->state[0] = 0x67452301; + context->state[1] = 0xefcdab89; + context->state[2] = 0x98badcfe; + context->state[3] = 0x10325476; +} + +// MD5 block update operation. Continues an MD5 message-digest +// operation, processing another message block, and updating the +// context. +static void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) +{ + unsigned int i, index, partLen; + // Compute number of bytes mod 64 + index =(unsigned int)((context->count[0] >> 3) & 0x3F); + + // Update number of bits + if ((context->count[0] +=((UINT4)inputLen << 3)) <((UINT4)inputLen << 3)) + context->count[1]++; + + context->count[1] +=((UINT4)inputLen >> 29); + partLen = 64 - index; + + // Transform as many times as possible. + if (inputLen >= partLen) { + MD5_memcpy((POINTER)&context->buffer[index],(POINTER)input, partLen); + MD5Transform(context->state, context->buffer); + for (i = partLen; i + 63 < inputLen; i += 64) + MD5Transform(context->state, &input[i]); + index = 0; + } else { + i = 0; + } + + // Buffer remaining input + MD5_memcpy((POINTER)&context->buffer[index],(POINTER)&input[i], + inputLen-i); +} + +// MD5 finalization. Ends an MD5 message-digest operation, writing the +// the message digest and zeroizing the context. +static void MD5Final(unsigned char digest[16], MD5_CTX *context) +{ + unsigned char bits[8]; + unsigned int index, padLen; + + // Save number of bits + Encode(bits, context->count, 8); + + // Pad out to 56 mod 64. + index =(unsigned int)((context->count[0] >> 3) & 0x3f); + padLen =(index < 56) ?(56 - index) :(120 - index); + MD5Update(context, PADDING, padLen); + + // Append length(before padding) + MD5Update(context, bits, 8); + + // Store state in digest + Encode(digest, context->state, 16); + + // Zeroize sensitive information. + MD5_memset((POINTER)context, 0, sizeof(*context)); +} + +// MD5 basic transformation. Transforms state based on block. +static void MD5Transform(UINT4 state[4], unsigned char block[64]) +{ + UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + Decode(x, block, 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], S42, 0x432aff97); /* 50 */ + II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ + II(b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ + II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ + II(d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ + II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ + II(b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ + II(a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ + II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ + II(c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ + II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ + II(a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ + II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ + II(c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ + II(b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ + state[0] += a; + state[1] += b; + state[2] += c; + state[3] += d; + + // Zeroize sensitive information. + MD5_memset((POINTER)x, 0, sizeof(x)); +} + +// Encodes input(UINT4) into output(unsigned char). Assumes len is a +// multiple of 4. +static void Encode(unsigned char *output, UINT4 *input, unsigned int len) +{ + unsigned int i, j; + for (i = 0, j = 0; j < len; i++, j += 4) { + output[j] = (unsigned char) (input[i] & 0xff); + output[j+1] = (unsigned char) ((input[i] >> 8) & 0xff); + output[j+2] = (unsigned char) ((input[i] >> 16) & 0xff); + output[j+3] = (unsigned char) ((input[i] >> 24) & 0xff); + } +} + +// Decodes input(unsigned char) into output(UINT4). Assumes len is a +// multiple of 4. +static void Decode(UINT4 *output, unsigned char *input, unsigned int len) +{ + unsigned int i, j; + for (i = 0, j = 0; j < len; i++, j += 4) + output[i] =((UINT4)input[j]) |(((UINT4)input[j+1]) << 8) | + (((UINT4)input[j+2]) << 16) |(((UINT4)input[j+3]) << 24); +} + +// Note: Replace "for loop" with standard memset if possible. +static void MD5_memset(POINTER output, int value, unsigned int len) +{ + unsigned int i; + for (i = 0; i < len; i++) + ((char *)output)[i] =(char)value; +} + +// Note: Replace "for loop" with standard memcpy if possible. +static void MD5_memcpy(POINTER output,POINTER input,unsigned int len) +{ + unsigned int i; + for (i = 0; i < len; i++) + output[i] = input[i]; +} + +void qtMD5(const TQByteArray &src, unsigned char *digest) +{ + MD5_CTX context; + + MD5Init(&context); + MD5Update(&context, (unsigned char *) src.data(), src.size()); + MD5Final(digest, &context); +} + +void qtMD5(const TQCString &src, unsigned char *digest) +{ + MD5_CTX context; + + MD5Init(&context); + MD5Update(&context, (unsigned char *) src.data(), src.size()); + MD5Final(digest, &context); +} + +TQString qtMD5(const TQByteArray &src) +{ + unsigned char digest[16]; + qtMD5(src, digest); + + TQString output, tmp; + for (int i = 0; i < 16; ++i) + output += tmp.sprintf("%02x", digest[i]); + return output; +} + +TQString qtMD5(const TQCString &src) +{ + unsigned char digest[16]; + qtMD5(src, digest); + + TQString output, tmp; + for (int i = 0; i < 16; ++i) + output += tmp.sprintf("%02x", digest[i]); + return output; +}
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