diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/enc_md5.cpp | 472 | ||||
| -rw-r--r-- | src/core/enc_none.cpp | 18 | ||||
| -rw-r--r-- | src/core/enc_old.cpp | 351 | ||||
| -rw-r--r-- | src/core/enc_sha1.cpp | 175 | ||||
| -rw-r--r-- | src/core/enc_sha256.cpp | 162 |
5 files changed, 550 insertions, 628 deletions
diff --git a/src/core/enc_md5.cpp b/src/core/enc_md5.cpp index 5ec245a7b..87daea319 100644 --- a/src/core/enc_md5.cpp +++ b/src/core/enc_md5.cpp @@ -13,7 +13,6 @@ #include "module.h" - /*************************************************************************/ /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All @@ -38,292 +37,279 @@ These notices must be retained in any copies of any part of this documentation and/or software. */ -#include <string.h> - -typedef unsigned int UINT4; - /* MD5 context. */ -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; +struct MD5_CTX +{ + unsigned state[4]; /* state (ABCD) */ + unsigned count[2]; /* number of bits, modulo 2^64 (lsb first) */ + unsigned char buffer[64]; /* input buffer */ +}; /* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm */ -typedef void *POINTER; - /* 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 - -void MD5Transform (UINT4 [4], unsigned char [64]); -void Encode (unsigned char *, UINT4 *, unsigned int); -void Decode (UINT4 *, unsigned char *, unsigned int); +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 +}; + +void MD5Transform(unsigned [4], const unsigned char [64]); +void Encode(unsigned char *, unsigned *, unsigned); +void Decode(unsigned *, const unsigned char *, unsigned); 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 + 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. */ -#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))) +inline static unsigned F(unsigned x, unsigned y, unsigned z) { return (x & y) | (~x & z); } +inline static unsigned G(unsigned x, unsigned y, unsigned z) { return (x & z) | (y & ~z); } +inline static unsigned H(unsigned x, unsigned y, unsigned z) { return x ^ y ^ z; } +inline static unsigned I(unsigned x, unsigned y, unsigned z) { return y ^ (x | ~z); } /* ROTATE_LEFT rotates x left n bits. */ -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) +inline static unsigned ROTATE_LEFT(unsigned x, unsigned 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. + * Rotation is separate from addition to prevent recomputation. */ -#define FF(a, b, c, d, x, s, ac) { \ - (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define GG(a, b, c, d, x, s, ac) { \ - (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define HH(a, b, c, d, x, s, ac) { \ - (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define II(a, b, c, d, x, s, ac) { \ - (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } +inline static void FF(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += F(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void GG(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += G(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void HH(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += H(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void II(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += I(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} /* MD5 initialization. Begins an MD5 operation, writing a new context. */ 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; + 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. + * operation, processing another message block, and updating the + * context. */ -void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) +void MD5Update(MD5_CTX *context, const unsigned char *input, unsigned 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) { - 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 */ - memcpy - ((POINTER)&context->buffer[index], (POINTER)&input[i], - inputLen-i); + unsigned i, index, partLen; + + /* Compute number of bytes mod 64 */ + index = (context->count[0] >> 3) & 0x3F; + + /* Update number of bits */ + if ((context->count[0] += inputLen << 3) < (inputLen << 3)) + ++context->count[1]; + context->count[1] += inputLen >> 29; + + partLen = 64 - index; + + /* Transform as many times as possible. */ + if (inputLen >= partLen) + { + memcpy(&context->buffer[index], 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 */ + memcpy(&context->buffer[index], &input[i], inputLen - i); } /* MD5 finalization. Ends an MD5 message-digest operation, writing the - the message digest and zeroizing the context. + * the message digest and zeroizing the context. */ -void MD5Final (unsigned char digest[16], MD5_CTX *context) +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. -*/ - memset ((POINTER)context, 0, sizeof (*context)); + unsigned char bits[8]; + unsigned index, padLen; + + /* Save number of bits */ + Encode(bits, context->count, 8); + + /* Pad out to 56 mod 64. */ + index = (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. */ + memset(context, 0, sizeof(*context)); } /* MD5 basic transformation. Transforms state based on block. */ -void MD5Transform (UINT4 state[4], unsigned char block[64]) +void MD5Transform(unsigned state[4], const 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. -*/ - memset ((POINTER)x, 0, sizeof (x)); + unsigned 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. */ + memset(x, 0, sizeof(x)); } -/* Encodes input (UINT4) into output (unsigned char). Assumes len is - a multiple of 4. +/* Encodes input (unsigned) into output (unsigned char). Assumes len is + * a multiple of 4. */ -void Encode (unsigned char *output, UINT4 *input, unsigned int len) +void Encode(unsigned char *output, unsigned *input, unsigned 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); - } + unsigned i, j; + + for (i = 0, j = 0; j < len; ++i, j += 4) + { + output[j] = static_cast<unsigned char>(input[i] & 0xff); + output[j + 1] = static_cast<unsigned char>((input[i] >> 8) & 0xff); + output[j + 2] = static_cast<unsigned char>((input[i] >> 16) & 0xff); + output[j + 3] = static_cast<unsigned char>((input[i] >> 24) & 0xff); + } } -/* Decodes input (unsigned char) into output (UINT4). Assumes len is - a multiple of 4. +/* Decodes input (unsigned char) into output (unsigned). Assumes len is + * a multiple of 4. */ -void Decode (UINT4 *output, unsigned char *input, unsigned int len) +void Decode(unsigned *output, const unsigned char *input, unsigned len) { - unsigned int i, j; + unsigned 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); + for (i = 0, j = 0; j < len; ++i, j += 4) + output[i] = static_cast<unsigned>(input[j]) | (static_cast<unsigned>(input[j + 1]) << 8) | (static_cast<unsigned>(input[j + 2]) << 16) | (static_cast<unsigned>(input[j + 3]) << 24); } /*************************************************************************/ -/* Our own high-level routines. */ - -#define XTOI(c) ((c)>9 ? (c)-'A'+10 : (c)-'0') - - -/*************************************************************************/ - /* Module stuff. */ class EMD5 : public Module @@ -335,14 +321,12 @@ class EMD5 : public Module this->SetVersion(VERSION_STRING); this->SetType(ENCRYPTION); - ModuleManager::Attach(I_OnEncrypt, this); ModuleManager::Attach(I_OnEncryptInPlace, this); ModuleManager::Attach(I_OnDecrypt, this); ModuleManager::Attach(I_OnCheckPassword, this); } - EventReturn OnEncrypt(const std::string &src, std::string &dest) { MD5_CTX context; @@ -351,13 +335,13 @@ class EMD5 : public Module char cpass[1000]; MD5Init(&context); - MD5Update(&context, (unsigned char*)src.c_str(), src.size()); - MD5Final((unsigned char*)digest, &context); + MD5Update(&context, reinterpret_cast<const unsigned char *>(src.c_str()), src.size()); + MD5Final(reinterpret_cast<unsigned char *>(digest), &context); b64_encode(digest, 16, cpass, 1000); - buf.append(cpass); + buf += cpass; Alog(LOG_DEBUG_2) << "(enc_md5) hashed password from [" << src << "] to [" << buf << "]"; - dest.assign(buf); + dest = buf; delete [] digest; return EVENT_ALLOW; } @@ -380,15 +364,13 @@ class EMD5 : public Module return EVENT_CONTINUE; std::string buf; this->OnEncrypt(plaintext, buf); - if (!password.compare(buf)) + if (password == buf) { /* if we are NOT the first module in the list, * we want to re-encrypt the pass with the new encryption */ - if (Config.EncModuleList.front() == this->name) - { + if (Config.EncModuleList.front() != this->name) enc_encrypt(plaintext, password); - } return EVENT_ALLOW; } return EVENT_STOP; diff --git a/src/core/enc_none.cpp b/src/core/enc_none.cpp index c89db82ae..3cbd93060 100644 --- a/src/core/enc_none.cpp +++ b/src/core/enc_none.cpp @@ -29,9 +29,9 @@ class ENone : public Module std::string buf = "plain:"; char cpass[1000]; b64_encode(src.c_str(), src.size(), cpass, 1000); - buf.append(cpass); + buf += cpass; Alog(LOG_DEBUG_2) << "(enc_none) hashed password from [" << src << "] to [" << buf << "]"; - dest.assign(buf); + dest = buf; return EVENT_ALLOW; } @@ -44,12 +44,11 @@ class ENone : public Module { if (hashm != "plain") return EVENT_CONTINUE; - char cpass[1000]; - memset(&cpass, 0, sizeof(cpass)); + char cpass[1000] = ""; size_t pos = src.find(":"); - std::string buf(src.begin()+pos+1, src.end()); + std::string buf(src.begin() + pos + 1, src.end()); b64_decode(buf.c_str(), cpass, 1000); - dest.assign(cpass); + dest = cpass; return EVENT_ALLOW; } @@ -59,20 +58,17 @@ class ENone : public Module return EVENT_CONTINUE; std::string buf; this->OnEncrypt(plaintext, buf); - if(!password.compare(buf)) + if (password == buf) { /* if we are NOT the first module in the list, * we want to re-encrypt the pass with the new encryption */ - if (Config.EncModuleList.front() == this->name) - { + if (Config.EncModuleList.front() != this->name) enc_encrypt(plaintext, password); - } return EVENT_ALLOW; } return EVENT_STOP; } - }; MODULE_INIT(ENone) diff --git a/src/core/enc_old.cpp b/src/core/enc_old.cpp index 307e42316..2e1b57e10 100644 --- a/src/core/enc_old.cpp +++ b/src/core/enc_old.cpp @@ -7,15 +7,12 @@ * * Based on the original code of Epona by Lara. * Based on the original code of Services by Andy Church. - * - * */ #include "module.h" /******** Code specific to the type of encryption. ********/ - /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All rights reserved. @@ -38,44 +35,42 @@ These notices must be retained in any copies of any part of this documentation and/or software. */ -#include <string.h> - -typedef unsigned int UINT4; - /* MD5 context. */ -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; +struct MD5_CTX +{ + unsigned state[4]; /* state (ABCD) */ + unsigned count[2]; /* number of bits, modulo 2^64 (lsb first) */ + unsigned char buffer[64]; /* input buffer */ +}; /* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm */ -typedef void *POINTER; - /* 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 - -static void MD5Transform(UINT4[4], unsigned char[64]); -static void Encode(unsigned char *, UINT4 *, unsigned int); -static void Decode(UINT4 *, unsigned char *, unsigned int); +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 void MD5Transform(unsigned [4], const unsigned char[64]); +static void Encode(unsigned char *, unsigned *, unsigned); +static void Decode(unsigned *, const unsigned char *, unsigned); 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, @@ -85,38 +80,42 @@ static unsigned char PADDING[64] = { /* 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 MD5_I(x, y, z) ((y) ^ ((x) | (~z))) +inline static unsigned F(unsigned x, unsigned y, unsigned z) { return (x & y) | (~x & z); } +inline static unsigned G(unsigned x, unsigned y, unsigned z) { return (x & z) | (y & ~z); } +inline static unsigned H(unsigned x, unsigned y, unsigned z) { return x ^ y ^ z; } +inline static unsigned MD5_I(unsigned x, unsigned y, unsigned z) { return y ^ (x | ~z); } /* ROTATE_LEFT rotates x left n bits. */ -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) +inline static unsigned ROTATE_LEFT(unsigned x, unsigned 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. + * Rotation is separate from addition to prevent recomputation. */ -#define FF(a, b, c, d, x, s, ac) { \ - (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define GG(a, b, c, d, x, s, ac) { \ - (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define HH(a, b, c, d, x, s, ac) { \ - (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } -#define II(a, b, c, d, x, s, ac) { \ - (a) += MD5_I ((b), (c), (d)) + (x) + (UINT4)(ac); \ - (a) = ROTATE_LEFT ((a), (s)); \ - (a) += (b); \ - } +inline static void FF(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += F(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void GG(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += G(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void HH(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += H(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} +inline static void II(unsigned &a, unsigned b, unsigned c, unsigned d, unsigned x, unsigned s, unsigned ac) +{ + a += MD5_I(b, c, d) + x + ac; + a = ROTATE_LEFT(a, s); + a += b; +} /* MD5 initialization. Begins an MD5 operation, writing a new context. */ @@ -132,59 +131,57 @@ static void MD5Init(MD5_CTX *context) } /* MD5 block update operation. Continues an MD5 message-digest - operation, processing another message block, and updating the - context. + * operation, processing another message block, and updating the + * context. */ -static void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) +static void MD5Update(MD5_CTX *context, const unsigned char *input, unsigned inputLen) { - unsigned int i, index, partLen; + unsigned i, index, partLen; /* Compute number of bytes mod 64 */ - index = (unsigned int) ((context->count[0] >> 3) & 0x3F); + index = (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); + if ((context->count[0] += inputLen << 3) < (inputLen << 3)) + ++context->count[1]; + context->count[1] += inputLen >> 29; partLen = 64 - index; /* Transform as many times as possible. */ - if (inputLen >= partLen) { - memcpy - ((POINTER) & context->buffer[index], (POINTER) input, partLen); + if (inputLen >= partLen) + { + memcpy(&context->buffer[index], input, partLen); MD5Transform(context->state, context->buffer); for (i = partLen; i + 63 < inputLen; i += 64) MD5Transform(context->state, &input[i]); index = 0; - } else + } + else i = 0; /* Buffer remaining input */ - memcpy - ((POINTER) & context->buffer[index], (POINTER) & input[i], - inputLen - i); + memcpy(&context->buffer[index], &input[i], inputLen - i); } /* MD5 finalization. Ends an MD5 message-digest operation, writing the - the message digest and zeroizing the context. + * 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; + unsigned 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); + index = (context->count[0] >> 3) & 0x3f; + padLen = index < 56 ? 56 - index : 120 - index; MD5Update(context, PADDING, padLen); /* Append length (before padding) */ @@ -194,88 +191,88 @@ static void MD5Final(unsigned char digest[16], MD5_CTX *context) /* Zeroize sensitive information. */ - memset((POINTER) context, 0, sizeof(*context)); + memset(context, 0, sizeof(*context)); } /* MD5 basic transformation. Transforms state based on block. */ -static void MD5Transform(UINT4 state[4], unsigned char block[64]) +static void MD5Transform(unsigned state[4], const unsigned char block[64]) { - UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + unsigned 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 */ + 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 */ + 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 */ + 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 */ + 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 */ |