From 539364846a89987ac2679988653f50332cb91d26 Mon Sep 17 00:00:00 2001 From: "madmaxoft@gmail.com" Date: Thu, 30 Aug 2012 21:06:13 +0000 Subject: Implemented 1.3.2 protocol encryption using CryptoPP, up to Client Status packet (http://wiki.vg/Protocol_FAQ step 14) git-svn-id: http://mc-server.googlecode.com/svn/trunk@808 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- CryptoPP/seed.cpp | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 CryptoPP/seed.cpp (limited to 'CryptoPP/seed.cpp') diff --git a/CryptoPP/seed.cpp b/CryptoPP/seed.cpp new file mode 100644 index 000000000..6c739b474 --- /dev/null +++ b/CryptoPP/seed.cpp @@ -0,0 +1,104 @@ +// seed.cpp - written and placed in the public domain by Wei Dai + +#include "pch.h" +#include "seed.h" +#include "misc.h" + +NAMESPACE_BEGIN(CryptoPP) + +static const word32 s_kc[16] = { + 0x9e3779b9, 0x3c6ef373, 0x78dde6e6, 0xf1bbcdcc, 0xe3779b99, 0xc6ef3733, 0x8dde6e67, 0x1bbcdccf, + 0x3779b99e, 0x6ef3733c, 0xdde6e678, 0xbbcdccf1, 0x779b99e3, 0xef3733c6, 0xde6e678d, 0xbcdccf1b}; + +static const byte s_s0[256] = { + 0xA9, 0x85, 0xD6, 0xD3, 0x54, 0x1D, 0xAC, 0x25, 0x5D, 0x43, 0x18, 0x1E, 0x51, 0xFC, 0xCA, 0x63, 0x28, + 0x44, 0x20, 0x9D, 0xE0, 0xE2, 0xC8, 0x17, 0xA5, 0x8F, 0x03, 0x7B, 0xBB, 0x13, 0xD2, 0xEE, 0x70, 0x8C, + 0x3F, 0xA8, 0x32, 0xDD, 0xF6, 0x74, 0xEC, 0x95, 0x0B, 0x57, 0x5C, 0x5B, 0xBD, 0x01, 0x24, 0x1C, 0x73, + 0x98, 0x10, 0xCC, 0xF2, 0xD9, 0x2C, 0xE7, 0x72, 0x83, 0x9B, 0xD1, 0x86, 0xC9, 0x60, 0x50, 0xA3, 0xEB, + 0x0D, 0xB6, 0x9E, 0x4F, 0xB7, 0x5A, 0xC6, 0x78, 0xA6, 0x12, 0xAF, 0xD5, 0x61, 0xC3, 0xB4, 0x41, 0x52, + 0x7D, 0x8D, 0x08, 0x1F, 0x99, 0x00, 0x19, 0x04, 0x53, 0xF7, 0xE1, 0xFD, 0x76, 0x2F, 0x27, 0xB0, 0x8B, + 0x0E, 0xAB, 0xA2, 0x6E, 0x93, 0x4D, 0x69, 0x7C, 0x09, 0x0A, 0xBF, 0xEF, 0xF3, 0xC5, 0x87, 0x14, 0xFE, + 0x64, 0xDE, 0x2E, 0x4B, 0x1A, 0x06, 0x21, 0x6B, 0x66, 0x02, 0xF5, 0x92, 0x8A, 0x0C, 0xB3, 0x7E, 0xD0, + 0x7A, 0x47, 0x96, 0xE5, 0x26, 0x80, 0xAD, 0xDF, 0xA1, 0x30, 0x37, 0xAE, 0x36, 0x15, 0x22, 0x38, 0xF4, + 0xA7, 0x45, 0x4C, 0x81, 0xE9, 0x84, 0x97, 0x35, 0xCB, 0xCE, 0x3C, 0x71, 0x11, 0xC7, 0x89, 0x75, 0xFB, + 0xDA, 0xF8, 0x94, 0x59, 0x82, 0xC4, 0xFF, 0x49, 0x39, 0x67, 0xC0, 0xCF, 0xD7, 0xB8, 0x0F, 0x8E, 0x42, + 0x23, 0x91, 0x6C, 0xDB, 0xA4, 0x34, 0xF1, 0x48, 0xC2, 0x6F, 0x3D, 0x2D, 0x40, 0xBE, 0x3E, 0xBC, 0xC1, + 0xAA, 0xBA, 0x4E, 0x55, 0x3B, 0xDC, 0x68, 0x7F, 0x9C, 0xD8, 0x4A, 0x56, 0x77, 0xA0, 0xED, 0x46, 0xB5, + 0x2B, 0x65, 0xFA, 0xE3, 0xB9, 0xB1, 0x9F, 0x5E, 0xF9, 0xE6, 0xB2, 0x31, 0xEA, 0x6D, 0x5F, 0xE4, 0xF0, + 0xCD, 0x88, 0x16, 0x3A, 0x58, 0xD4, 0x62, 0x29, 0x07, 0x33, 0xE8, 0x1B, 0x05, 0x79, 0x90, 0x6A, 0x2A, + 0x9A}; + +static const byte s_s1[256] = { + 0x38, 0xE8, 0x2D, 0xA6, 0xCF, 0xDE, 0xB3, 0xB8, 0xAF, 0x60, 0x55, 0xC7, 0x44, 0x6F, 0x6B, 0x5B, 0xC3, + 0x62, 0x33, 0xB5, 0x29, 0xA0, 0xE2, 0xA7, 0xD3, 0x91, 0x11, 0x06, 0x1C, 0xBC, 0x36, 0x4B, 0xEF, 0x88, + 0x6C, 0xA8, 0x17, 0xC4, 0x16, 0xF4, 0xC2, 0x45, 0xE1, 0xD6, 0x3F, 0x3D, 0x8E, 0x98, 0x28, 0x4E, 0xF6, + 0x3E, 0xA5, 0xF9, 0x0D, 0xDF, 0xD8, 0x2B, 0x66, 0x7A, 0x27, 0x2F, 0xF1, 0x72, 0x42, 0xD4, 0x41, 0xC0, + 0x73, 0x67, 0xAC, 0x8B, 0xF7, 0xAD, 0x80, 0x1F, 0xCA, 0x2C, 0xAA, 0x34, 0xD2, 0x0B, 0xEE, 0xE9, 0x5D, + 0x94, 0x18, 0xF8, 0x57, 0xAE, 0x08, 0xC5, 0x13, 0xCD, 0x86, 0xB9, 0xFF, 0x7D, 0xC1, 0x31, 0xF5, 0x8A, + 0x6A, 0xB1, 0xD1, 0x20, 0xD7, 0x02, 0x22, 0x04, 0x68, 0x71, 0x07, 0xDB, 0x9D, 0x99, 0x61, 0xBE, 0xE6, + 0x59, 0xDD, 0x51, 0x90, 0xDC, 0x9A, 0xA3, 0xAB, 0xD0, 0x81, 0x0F, 0x47, 0x1A, 0xE3, 0xEC, 0x8D, 0xBF, + 0x96, 0x7B, 0x5C, 0xA2, 0xA1, 0x63, 0x23, 0x4D, 0xC8, 0x9E, 0x9C, 0x3A, 0x0C, 0x2E, 0xBA, 0x6E, 0x9F, + 0x5A, 0xF2, 0x92, 0xF3, 0x49, 0x78, 0xCC, 0x15, 0xFB, 0x70, 0x75, 0x7F, 0x35, 0x10, 0x03, 0x64, 0x6D, + 0xC6, 0x74, 0xD5, 0xB4, 0xEA, 0x09, 0x76, 0x19, 0xFE, 0x40, 0x12, 0xE0, 0xBD, 0x05, 0xFA, 0x01, 0xF0, + 0x2A, 0x5E, 0xA9, 0x56, 0x43, 0x85, 0x14, 0x89, 0x9B, 0xB0, 0xE5, 0x48, 0x79, 0x97, 0xFC, 0x1E, 0x82, + 0x21, 0x8C, 0x1B, 0x5F, 0x77, 0x54, 0xB2, 0x1D, 0x25, 0x4F, 0x00, 0x46, 0xED, 0x58, 0x52, 0xEB, 0x7E, + 0xDA, 0xC9, 0xFD, 0x30, 0x95, 0x65, 0x3C, 0xB6, 0xE4, 0xBB, 0x7C, 0x0E, 0x50, 0x39, 0x26, 0x32, 0x84, + 0x69, 0x93, 0x37, 0xE7, 0x24, 0xA4, 0xCB, 0x53, 0x0A, 0x87, 0xD9, 0x4C, 0x83, 0x8F, 0xCE, 0x3B, 0x4A, + 0xB7}; + +#define SS0(x) ((s_s0[x]*0x01010101UL) & 0x3FCFF3FC) +#define SS1(x) ((s_s1[x]*0x01010101UL) & 0xFC3FCFF3) +#define SS2(x) ((s_s0[x]*0x01010101UL) & 0xF3FC3FCF) +#define SS3(x) ((s_s1[x]*0x01010101UL) & 0xCFF3FC3F) +#define G(x) (SS0(GETBYTE(x, 0)) ^ SS1(GETBYTE(x, 1)) ^ SS2(GETBYTE(x, 2)) ^ SS3(GETBYTE(x, 3))) + +void SEED::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms) +{ + AssertValidKeyLength(length); + + word64 key01, key23; + GetBlock get(userKey); + get(key01)(key23); + word32 *k = m_k; + size_t kInc = 2; + if (!IsForwardTransformation()) + { + k = k+30; + kInc = 0-kInc; + } + + for (int i=0; i>32) + word32(key23>>32) - s_kc[i]; + word32 t1 = word32(key01) - word32(key23) + s_kc[i]; + k[0] = G(t0); + k[1] = G(t1); + k+=kInc; + if (i&1) + key23 = rotlFixed(key23, 8); + else + key01 = rotrFixed(key01, 8); + } +} + +void SEED::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const +{ + typedef BlockGetAndPut Block; + word32 a0, a1, b0, b1, t0, t1; + Block::Get(inBlock)(a0)(a1)(b0)(b1); + + for (int i=0; i