CoCalc -- kirk

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: hrydgard/ppsspp
Path: blob/master/ext/libkirk/kirk_engine.c
Views: ¹⁴⁰¹
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/*
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  Draan proudly presents:
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  With huge help from community:
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  coyotebean, Davee, hitchhikr, kgsws, liquidzigong, Mathieulh, Proxima, SilverSpring
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  ******************** KIRK-ENGINE ********************
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  An Open-Source implementation of KIRK (PSP crypto engine) algorithms and keys.
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  Includes also additional routines for hash forging.
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  ********************
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  This program is free software: you can redistribute it and/or modify
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  it under the terms of the GNU General Public License as published by
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  the Free Software Foundation, either version 3 of the License, or
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  (at your option) any later version.
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  This program is distributed in the hope that it will be useful,
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  GNU General Public License for more details.
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  You should have received a copy of the GNU General Public License
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  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "kirk_engine.h"
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#include "AES.h"
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#include "SHA1.h"
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/* ------------------------- KEY VAULT ------------------------- */
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unsigned char keyvault[0x80][0x10] =
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{
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    {0x2C, 0x92, 0xE5, 0x90, 0x2B, 0x86, 0xC1, 0x06, 0xB7, 0x2E, 0xEA, 0x6C, 0xD4, 0xEC, 0x72, 0x48},
39
    {0x05, 0x8D, 0xC8, 0x0B, 0x33, 0xA5, 0xBF, 0x9D, 0x56, 0x98, 0xFA, 0xE0, 0xD3, 0x71, 0x5E, 0x1F},
40
    {0xB8, 0x13, 0xC3, 0x5E, 0xC6, 0x44, 0x41, 0xE3, 0xDC, 0x3C, 0x16, 0xF5, 0xB4, 0x5E, 0x64, 0x84},
41
    {0x98, 0x02, 0xC4, 0xE6, 0xEC, 0x9E, 0x9E, 0x2F, 0xFC, 0x63, 0x4C, 0xE4, 0x2F, 0xBB, 0x46, 0x68},
42
    {0x99, 0x24, 0x4C, 0xD2, 0x58, 0xF5, 0x1B, 0xCB, 0xB0, 0x61, 0x9C, 0xA7, 0x38, 0x30, 0x07, 0x5F},
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    {0x02, 0x25, 0xD7, 0xBA, 0x63, 0xEC, 0xB9, 0x4A, 0x9D, 0x23, 0x76, 0x01, 0xB3, 0xF6, 0xAC, 0x17},
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    {0x60, 0x99, 0xF2, 0x81, 0x70, 0x56, 0x0E, 0x5F, 0x74, 0x7C, 0xB5, 0x20, 0xC0, 0xCD, 0xC2, 0x3C},
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    {0x76, 0x36, 0x8B, 0x43, 0x8F, 0x77, 0xD8, 0x7E, 0xFE, 0x5F, 0xB6, 0x11, 0x59, 0x39, 0x88, 0x5C},
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    {0x14, 0xA1, 0x15, 0xEB, 0x43, 0x4A, 0x1B, 0xA4, 0x90, 0x5E, 0x03, 0xB6, 0x17, 0xA1, 0x5C, 0x04},
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    {0xE6, 0x58, 0x03, 0xD9, 0xA7, 0x1A, 0xA8, 0x7F, 0x05, 0x9D, 0x22, 0x9D, 0xAF, 0x54, 0x53, 0xD0},
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    {0xBA, 0x34, 0x80, 0xB4, 0x28, 0xA7, 0xCA, 0x5F, 0x21, 0x64, 0x12, 0xF7, 0x0F, 0xBB, 0x73, 0x23},
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    {0x72, 0xAD, 0x35, 0xAC, 0x9A, 0xC3, 0x13, 0x0A, 0x77, 0x8C, 0xB1, 0x9D, 0x88, 0x55, 0x0B, 0x0C},
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    {0x84, 0x85, 0xC8, 0x48, 0x75, 0x08, 0x43, 0xBC, 0x9B, 0x9A, 0xEC, 0xA7, 0x9C, 0x7F, 0x60, 0x18},
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    {0xB5, 0xB1, 0x6E, 0xDE, 0x23, 0xA9, 0x7B, 0x0E, 0xA1, 0x7C, 0xDB, 0xA2, 0xDC, 0xDE, 0xC4, 0x6E},
52
    {0xC8, 0x71, 0xFD, 0xB3, 0xBC, 0xC5, 0xD2, 0xF2, 0xE2, 0xD7, 0x72, 0x9D, 0xDF, 0x82, 0x68, 0x82},
53
    {0x0A, 0xBB, 0x33, 0x6C, 0x96, 0xD4, 0xCD, 0xD8, 0xCB, 0x5F, 0x4B, 0xE0, 0xBA, 0xDB, 0x9E, 0x03},
54
    {0x32, 0x29, 0x5B, 0xD5, 0xEA, 0xF7, 0xA3, 0x42, 0x16, 0xC8, 0x8E, 0x48, 0xFF, 0x50, 0xD3, 0x71},
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    {0x46, 0xF2, 0x5E, 0x8E, 0x4D, 0x2A, 0xA5, 0x40, 0x73, 0x0B, 0xC4, 0x6E, 0x47, 0xEE, 0x6F, 0x0A},
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    {0x5D, 0xC7, 0x11, 0x39, 0xD0, 0x19, 0x38, 0xBC, 0x02, 0x7F, 0xDD, 0xDC, 0xB0, 0x83, 0x7D, 0x9D},
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    {0x51, 0xDD, 0x65, 0xF0, 0x71, 0xA4, 0xE5, 0xEA, 0x6A, 0xAF, 0x12, 0x19, 0x41, 0x29, 0xB8, 0xF4},
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    {0x03, 0x76, 0x3C, 0x68, 0x65, 0xC6, 0x9B, 0x0F, 0xFE, 0x8F, 0xD8, 0xEE, 0xA4, 0x36, 0x16, 0xA0},
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    {0x7D, 0x50, 0xB8, 0x5C, 0xAF, 0x67, 0x69, 0xF0, 0xE5, 0x4A, 0xA8, 0x09, 0x8B, 0x0E, 0xBE, 0x1C},
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    {0x72, 0x68, 0x4B, 0x32, 0xAC, 0x3B, 0x33, 0x2F, 0x2A, 0x7A, 0xFC, 0x9E, 0x14, 0xD5, 0x6F, 0x6B},
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    {0x20, 0x1D, 0x31, 0x96, 0x4A, 0xD9, 0x9F, 0xBF, 0x32, 0xD5, 0xD6, 0x1C, 0x49, 0x1B, 0xD9, 0xFC},
62
    {0xF8, 0xD8, 0x44, 0x63, 0xD6, 0x10, 0xD1, 0x2A, 0x44, 0x8E, 0x96, 0x90, 0xA6, 0xBB, 0x0B, 0xAD},
63
    {0x5C, 0xD4, 0x05, 0x7F, 0xA1, 0x30, 0x60, 0x44, 0x0A, 0xD9, 0xB6, 0x74, 0x5F, 0x24, 0x4F, 0x4E},
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    {0xF4, 0x8A, 0xD6, 0x78, 0x59, 0x9C, 0x22, 0xC1, 0xD4, 0x11, 0x93, 0x3D, 0xF8, 0x45, 0xB8, 0x93},
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    {0xCA, 0xE7, 0xD2, 0x87, 0xA2, 0xEC, 0xC1, 0xCD, 0x94, 0x54, 0x2B, 0x5E, 0x1D, 0x94, 0x88, 0xB2},
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    {0xDE, 0x26, 0xD3, 0x7A, 0x39, 0x95, 0x6C, 0x2A, 0xD8, 0xC3, 0xA6, 0xAF, 0x21, 0xEB, 0xB3, 0x01},
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    {0x7C, 0xB6, 0x8B, 0x4D, 0xA3, 0x8D, 0x1D, 0xD9, 0x32, 0x67, 0x9C, 0xA9, 0x9F, 0xFB, 0x28, 0x52},
68
    {0xA0, 0xB5, 0x56, 0xB4, 0x69, 0xAB, 0x36, 0x8F, 0x36, 0xDE, 0xC9, 0x09, 0x2E, 0xCB, 0x41, 0xB1},
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    {0x93, 0x9D, 0xE1, 0x9B, 0x72, 0x5F, 0xEE, 0xE2, 0x45, 0x2A, 0xBC, 0x17, 0x06, 0xD1, 0x47, 0x69},
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    {0xA4, 0xA4, 0xE6, 0x21, 0x38, 0x2E, 0xF1, 0xAF, 0x7B, 0x17, 0x7A, 0xE8, 0x42, 0xAD, 0x00, 0x31},
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    {0xC3, 0x7F, 0x13, 0xE8, 0xCF, 0x84, 0xDB, 0x34, 0x74, 0x7B, 0xC3, 0xA0, 0xF1, 0x9D, 0x3A, 0x73},
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    {0x2B, 0xF7, 0x83, 0x8A, 0xD8, 0x98, 0xE9, 0x5F, 0xA5, 0xF9, 0x01, 0xDA, 0x61, 0xFE, 0x35, 0xBB},
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    {0xC7, 0x04, 0x62, 0x1E, 0x71, 0x4A, 0x66, 0xEA, 0x62, 0xE0, 0x4B, 0x20, 0x3D, 0xB8, 0xC2, 0xE5},
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    {0xC9, 0x33, 0x85, 0x9A, 0xAB, 0x00, 0xCD, 0xCE, 0x4D, 0x8B, 0x8E, 0x9F, 0x3D, 0xE6, 0xC0, 0x0F},
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    {0x18, 0x42, 0x56, 0x1F, 0x2B, 0x5F, 0x34, 0xE3, 0x51, 0x3E, 0xB7, 0x89, 0x77, 0x43, 0x1A, 0x65},
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    {0xDC, 0xB0, 0xA0, 0x06, 0x5A, 0x50, 0xA1, 0x4E, 0x59, 0xAC, 0x97, 0x3F, 0x17, 0x58, 0xA3, 0xA3},
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    {0xC4, 0xDB, 0xAE, 0x83, 0xE2, 0x9C, 0xF2, 0x54, 0xA3, 0xDD, 0x37, 0x4E, 0x80, 0x7B, 0xF4, 0x25},
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    {0xBF, 0xAE, 0xEB, 0x49, 0x82, 0x65, 0xC5, 0x7C, 0x64, 0xB8, 0xC1, 0x7E, 0x19, 0x06, 0x44, 0x09},
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    {0x79, 0x7C, 0xEC, 0xC3, 0xB3, 0xEE, 0x0A, 0xC0, 0x3B, 0xD8, 0xE6, 0xC1, 0xE0, 0xA8, 0xB1, 0xA4},
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    {0x75, 0x34, 0xFE, 0x0B, 0xD6, 0xD0, 0xC2, 0x8D, 0x68, 0xD4, 0xE0, 0x2A, 0xE7, 0xD5, 0xD1, 0x55},
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    {0xFA, 0xB3, 0x53, 0x26, 0x97, 0x4F, 0x4E, 0xDF, 0xE4, 0xC3, 0xA8, 0x14, 0xC3, 0x2F, 0x0F, 0x88},
82
    {0xEC, 0x97, 0xB3, 0x86, 0xB4, 0x33, 0xC6, 0xBF, 0x4E, 0x53, 0x9D, 0x95, 0xEB, 0xB9, 0x79, 0xE4},
83
    {0xB3, 0x20, 0xA2, 0x04, 0xCF, 0x48, 0x06, 0x29, 0xB5, 0xDD, 0x8E, 0xFC, 0x98, 0xD4, 0x17, 0x7B},
84
    {0x5D, 0xFC, 0x0D, 0x4F, 0x2C, 0x39, 0xDA, 0x68, 0x4A, 0x33, 0x74, 0xED, 0x49, 0x58, 0xA7, 0x3A},
85
    {0xD7, 0x5A, 0x54, 0x22, 0xCE, 0xD9, 0xA3, 0xD6, 0x2B, 0x55, 0x7D, 0x8D, 0xE8, 0xBE, 0xC7, 0xEC},
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    {0x6B, 0x4A, 0xEE, 0x43, 0x45, 0xAE, 0x70, 0x07, 0xCF, 0x8D, 0xCF, 0x4E, 0x4A, 0xE9, 0x3C, 0xFA},
87
    {0x2B, 0x52, 0x2F, 0x66, 0x4C, 0x2D, 0x11, 0x4C, 0xFE, 0x61, 0x31, 0x8C, 0x56, 0x78, 0x4E, 0xA6},
88
    {0x3A, 0xA3, 0x4E, 0x44, 0xC6, 0x6F, 0xAF, 0x7B, 0xFA, 0xE5, 0x53, 0x27, 0xEF, 0xCF, 0xCC, 0x24},
89
    {0x2B, 0x5C, 0x78, 0xBF, 0xC3, 0x8E, 0x49, 0x9D, 0x41, 0xC3, 0x3C, 0x5C, 0x7B, 0x27, 0x96, 0xCE},
90
    {0xF3, 0x7E, 0xEA, 0xD2, 0xC0, 0xC8, 0x23, 0x1D, 0xA9, 0x9B, 0xFA, 0x49, 0x5D, 0xB7, 0x08, 0x1B},
91
    {0x70, 0x8D, 0x4E, 0x6F, 0xD1, 0xF6, 0x6F, 0x1D, 0x1E, 0x1F, 0xCB, 0x02, 0xF9, 0xB3, 0x99, 0x26},
92
    {0x0F, 0x67, 0x16, 0xE1, 0x80, 0x69, 0x9C, 0x51, 0xFC, 0xC7, 0xAD, 0x6E, 0x4F, 0xB8, 0x46, 0xC9},
93
    {0x56, 0x0A, 0x49, 0x4A, 0x84, 0x4C, 0x8E, 0xD9, 0x82, 0xEE, 0x0B, 0x6D, 0xC5, 0x7D, 0x20, 0x8D},
94
    {0x12, 0x46, 0x8D, 0x7E, 0x1C, 0x42, 0x20, 0x9B, 0xBA, 0x54, 0x26, 0x83, 0x5E, 0xB0, 0x33, 0x03},
95
    {0xC4, 0x3B, 0xB6, 0xD6, 0x53, 0xEE, 0x67, 0x49, 0x3E, 0xA9, 0x5F, 0xBC, 0x0C, 0xED, 0x6F, 0x8A},
96
    {0x2C, 0xC3, 0xCF, 0x8C, 0x28, 0x78, 0xA5, 0xA6, 0x63, 0xE2, 0xAF, 0x2D, 0x71, 0x5E, 0x86, 0xBA},
97
    {0x83, 0x3D, 0xA7, 0x0C, 0xED, 0x6A, 0x20, 0x12, 0xD1, 0x96, 0xE6, 0xFE, 0x5C, 0x4D, 0x37, 0xC5},
98
    {0xC7, 0x43, 0xD0, 0x67, 0x42, 0xEE, 0x90, 0xB8, 0xCA, 0x75, 0x50, 0x35, 0x20, 0xAD, 0xBC, 0xCE},
99
    {0x8A, 0xE3, 0x66, 0x3F, 0x8D, 0x9E, 0x82, 0xA1, 0xED, 0xE6, 0x8C, 0x9C, 0xE8, 0x25, 0x6D, 0xAA},
100
    {0x7F, 0xC9, 0x6F, 0x0B, 0xB1, 0x48, 0x5C, 0xA5, 0x5D, 0xD3, 0x64, 0xB7, 0x7A, 0xF5, 0xE4, 0xEA},
101
    {0x91, 0xB7, 0x65, 0x78, 0x8B, 0xCB, 0x8B, 0xD4, 0x02, 0xED, 0x55, 0x3A, 0x66, 0x62, 0xD0, 0xAD},
102
    {0x28, 0x24, 0xF9, 0x10, 0x1B, 0x8D, 0x0F, 0x7B, 0x6E, 0xB2, 0x63, 0xB5, 0xB5, 0x5B, 0x2E, 0xBB},
103
    {0x30, 0xE2, 0x57, 0x5D, 0xE0, 0xA2, 0x49, 0xCE, 0xE8, 0xCF, 0x2B, 0x5E, 0x4D, 0x9F, 0x52, 0xC7},
104
    {0x5E, 0xE5, 0x04, 0x39, 0x62, 0x32, 0x02, 0xFA, 0x85, 0x39, 0x3F, 0x72, 0xBB, 0x77, 0xFD, 0x1A},
105
    {0xF8, 0x81, 0x74, 0xB1, 0xBD, 0xE9, 0xBF, 0xDD, 0x45, 0xE2, 0xF5, 0x55, 0x89, 0xCF, 0x46, 0xAB},
106
    {0x7D, 0xF4, 0x92, 0x65, 0xE3, 0xFA, 0xD6, 0x78, 0xD6, 0xFE, 0x78, 0xAD, 0xBB, 0x3D, 0xFB, 0x63},
107
    {0x74, 0x7F, 0xD6, 0x2D, 0xC7, 0xA1, 0xCA, 0x96, 0xE2, 0x7A, 0xCE, 0xFF, 0xAA, 0x72, 0x3F, 0xF7},
108
    {0x1E, 0x58, 0xEB, 0xD0, 0x65, 0xBB, 0xF1, 0x68, 0xC5, 0xBD, 0xF7, 0x46, 0xBA, 0x7B, 0xE1, 0x00},
109
    {0x24, 0x34, 0x7D, 0xAF, 0x5E, 0x4B, 0x35, 0x72, 0x7A, 0x52, 0x27, 0x6B, 0xA0, 0x54, 0x74, 0xDB},
110
    {0x09, 0xB1, 0xC7, 0x05, 0xC3, 0x5F, 0x53, 0x66, 0x77, 0xC0, 0xEB, 0x36, 0x77, 0xDF, 0x83, 0x07},
111
    {0xCC, 0xBE, 0x61, 0x5C, 0x05, 0xA2, 0x00, 0x33, 0x37, 0x8E, 0x59, 0x64, 0xA7, 0xDD, 0x70, 0x3D},
112
    {0x0D, 0x47, 0x50, 0xBB, 0xFC, 0xB0, 0x02, 0x81, 0x30, 0xE1, 0x84, 0xDE, 0xA8, 0xD4, 0x84, 0x13},
113
    {0x0C, 0xFD, 0x67, 0x9A, 0xF9, 0xB4, 0x72, 0x4F, 0xD7, 0x8D, 0xD6, 0xE9, 0x96, 0x42, 0x28, 0x8B},
114
    {0x7A, 0xD3, 0x1A, 0x8B, 0x4B, 0xEF, 0xC2, 0xC2, 0xB3, 0x99, 0x01, 0xA9, 0xFE, 0x76, 0xB9, 0x87},
115
    {0xBE, 0x78, 0x78, 0x17, 0xC7, 0xF1, 0x6F, 0x1A, 0xE0, 0xEF, 0x3B, 0xDE, 0x4C, 0xC2, 0xD7, 0x86},
116
    {0x7C, 0xD8, 0xB8, 0x91, 0x91, 0x0A, 0x43, 0x14, 0xD0, 0x53, 0x3D, 0xD8, 0x4C, 0x45, 0xBE, 0x16},
117
    {0x32, 0x72, 0x2C, 0x88, 0x07, 0xCF, 0x35, 0x7D, 0x4A, 0x2F, 0x51, 0x19, 0x44, 0xAE, 0x68, 0xDA},
118
    {0x7E, 0x6B, 0xBF, 0xF6, 0xF6, 0x87, 0xB8, 0x98, 0xEE, 0xB5, 0x1B, 0x32, 0x16, 0xE4, 0x6E, 0x5D},
119
    {0x08, 0xEA, 0x5A, 0x83, 0x49, 0xB5, 0x9D, 0xB5, 0x3E, 0x07, 0x79, 0xB1, 0x9A, 0x59, 0xA3, 0x54},
120
    {0xF3, 0x12, 0x81, 0xBF, 0xE6, 0x9F, 0x51, 0xD1, 0x64, 0x08, 0x25, 0x21, 0xFF, 0xBB, 0x22, 0x61},
121
    {0xAF, 0xFE, 0x8E, 0xB1, 0x3D, 0xD1, 0x7E, 0xD8, 0x0A, 0x61, 0x24, 0x1C, 0x95, 0x92, 0x56, 0xB6},
122
    {0x92, 0xCD, 0xB4, 0xC2, 0x5B, 0xF2, 0x35, 0x5A, 0x23, 0x09, 0xE8, 0x19, 0xC9, 0x14, 0x42, 0x35},
123
    {0xE1, 0xC6, 0x5B, 0x22, 0x6B, 0xE1, 0xDA, 0x02, 0xBA, 0x18, 0xFA, 0x21, 0x34, 0x9E, 0xF9, 0x6D},
124
    {0x14, 0xEC, 0x76, 0xCE, 0x97, 0xF3, 0x8A, 0x0A, 0x34, 0x50, 0x6C, 0x53, 0x9A, 0x5C, 0x9A, 0xB4},
125
    {0x1C, 0x9B, 0xC4, 0x90, 0xE3, 0x06, 0x64, 0x81, 0xFA, 0x59, 0xFD, 0xB6, 0x00, 0xBB, 0x28, 0x70},
126
    {0x43, 0xA5, 0xCA, 0xCC, 0x0D, 0x6C, 0x2D, 0x3F, 0x2B, 0xD9, 0x89, 0x67, 0x6B, 0x3F, 0x7F, 0x57},
127
    {0x00, 0xEF, 0xFD, 0x18, 0x08, 0xA4, 0x05, 0x89, 0x3C, 0x38, 0xFB, 0x25, 0x72, 0x70, 0x61, 0x06},
128
    {0xEE, 0xAF, 0x49, 0xE0, 0x09, 0x87, 0x9B, 0xEF, 0xAA, 0xD6, 0x32, 0x6A, 0x32, 0x13, 0xC4, 0x29},
129
    {0x8D, 0x26, 0xB9, 0x0F, 0x43, 0x1D, 0xBB, 0x08, 0xDB, 0x1D, 0xDA, 0xC5, 0xB5, 0x2C, 0x92, 0xED},
130
    {0x57, 0x7C, 0x30, 0x60, 0xAE, 0x6E, 0xBE, 0xAE, 0x3A, 0xAB, 0x18, 0x19, 0xC5, 0x71, 0x68, 0x0B},
131
    {0x11, 0x5A, 0x5D, 0x20, 0xD5, 0x3A, 0x8D, 0xD3, 0x9C, 0xC5, 0xAF, 0x41, 0x0F, 0x0F, 0x18, 0x6F},
132
    {0x0D, 0x4D, 0x51, 0xAB, 0x23, 0x79, 0xBF, 0x80, 0x3A, 0xBF, 0xB9, 0x0E, 0x75, 0xFC, 0x14, 0xBF},
133
    {0x99, 0x93, 0xDA, 0x3E, 0x7D, 0x2E, 0x5B, 0x15, 0xF2, 0x52, 0xA4, 0xE6, 0x6B, 0xB8, 0x5A, 0x98},
134
    {0xF4, 0x28, 0x30, 0xA5, 0xFB, 0x0D, 0x8D, 0x76, 0x0E, 0xA6, 0x71, 0xC2, 0x2B, 0xDE, 0x66, 0x9D},
135
    {0xFB, 0x5F, 0xEB, 0x7F, 0xC7, 0xDC, 0xDD, 0x69, 0x37, 0x01, 0x97, 0x9B, 0x29, 0x03, 0x5C, 0x47},
136
    {0x02, 0x32, 0x6A, 0xE7, 0xD3, 0x96, 0xCE, 0x7F, 0x1C, 0x41, 0x9D, 0xD6, 0x52, 0x07, 0xED, 0x09},
137
    {0x9C, 0x9B, 0x13, 0x72, 0xF8, 0xC6, 0x40, 0xCF, 0x1C, 0x62, 0xF5, 0xD5, 0x92, 0xDD, 0xB5, 0x82},
138
    {0x03, 0xB3, 0x02, 0xE8, 0x5F, 0xF3, 0x81, 0xB1, 0x3B, 0x8D, 0xAA, 0x2A, 0x90, 0xFF, 0x5E, 0x61},
139
    {0xBC, 0xD7, 0xF9, 0xD3, 0x2F, 0xAC, 0xF8, 0x47, 0xC0, 0xFB, 0x4D, 0x2F, 0x30, 0x9A, 0xBD, 0xA6},
140
    {0xF5, 0x55, 0x96, 0xE9, 0x7F, 0xAF, 0x86, 0x7F, 0xAC, 0xB3, 0x3A, 0xE6, 0x9C, 0x8B, 0x6F, 0x93},
141
    {0xEE, 0x29, 0x70, 0x93, 0xF9, 0x4E, 0x44, 0x59, 0x44, 0x17, 0x1F, 0x8E, 0x86, 0xE1, 0x70, 0xFC},
142
    {0xE4, 0x34, 0x52, 0x0C, 0xF0, 0x88, 0xCF, 0xC8, 0xCD, 0x78, 0x1B, 0x6C, 0xCF, 0x8C, 0x48, 0xC4},
143
    {0xC1, 0xBF, 0x66, 0x81, 0x8E, 0xF9, 0x53, 0xF2, 0xE1, 0x26, 0x6B, 0x6F, 0x55, 0x0C, 0xC9, 0xCD},
144
    {0x56, 0x0F, 0xFF, 0x8F, 0x3C, 0x96, 0x49, 0x14, 0x45, 0x16, 0xF1, 0xBC, 0xBF, 0xCE, 0xA3, 0x0C},
145
    {0x24, 0x08, 0xDC, 0x75, 0x37, 0x60, 0xA2, 0x9F, 0x05, 0x54, 0xB5, 0xF2, 0x43, 0x85, 0x73, 0x99},
146
    {0xDD, 0xD5, 0xB5, 0x6A, 0x59, 0xC5, 0x5A, 0xE8, 0x3B, 0x96, 0x67, 0xC7, 0x5C, 0x2A, 0xE2, 0xDC},
147
    {0xAA, 0x68, 0x67, 0x72, 0xE0, 0x2D, 0x44, 0xD5, 0xCD, 0xBB, 0x65, 0x04, 0xBC, 0xD5, 0xBF, 0x4E},
148
    {0x1F, 0x17, 0xF0, 0x14, 0xE7, 0x77, 0xA2, 0xFE, 0x4B, 0x13, 0x6B, 0x56, 0xCD, 0x7E, 0xF7, 0xE9},
149
    {0xC9, 0x35, 0x48, 0xCF, 0x55, 0x8D, 0x75, 0x03, 0x89, 0x6B, 0x2E, 0xEB, 0x61, 0x8C, 0xA9, 0x02},
150
    {0xDE, 0x34, 0xC5, 0x41, 0xE7, 0xCA, 0x86, 0xE8, 0xBE, 0xA7, 0xC3, 0x1C, 0xEC, 0xE4, 0x36, 0x0F},
151
    {0xDD, 0xE5, 0xFF, 0x55, 0x1B, 0x74, 0xF6, 0xF4, 0xE0, 0x16, 0xD7, 0xAB, 0x22, 0x31, 0x1B, 0x6A},
152
    {0xB0, 0xE9, 0x35, 0x21, 0x33, 0x3F, 0xD7, 0xBA, 0xB4, 0x76, 0x2C, 0xCB, 0x4D, 0x80, 0x08, 0xD8},
153
    {0x38, 0x14, 0x69, 0xC4, 0xC3, 0xF9, 0x1B, 0x96, 0x33, 0x63, 0x8E, 0x4D, 0x5F, 0x3D, 0xF0, 0x29},
154
    {0xFA, 0x48, 0x6A, 0xD9, 0x8E, 0x67, 0x16, 0xEF, 0x6A, 0xB0, 0x87, 0xF5, 0x89, 0x45, 0x7F, 0x2A},
155
    {0x32, 0x1A, 0x09, 0x12, 0x50, 0x14, 0x8A, 0x3E, 0x96, 0x3D, 0xEA, 0x02, 0x59, 0x32, 0xE1, 0x8F},
156
    {0x4B, 0x00, 0xBE, 0x29, 0xBC, 0xB0, 0x28, 0x64, 0xCE, 0xFD, 0x43, 0xA9, 0x6F, 0xD9, 0x5C, 0xED},
157
    {0x57, 0x7D, 0xC4, 0xFF, 0x02, 0x44, 0xE2, 0x80, 0x91, 0xF4, 0xCA, 0x0A, 0x75, 0x69, 0xFD, 0xA8},
158
    {0x83, 0x53, 0x36, 0xC6, 0x18, 0x03, 0xE4, 0x3E, 0x4E, 0xB3, 0x0F, 0x6B, 0x6E, 0x79, 0x9B, 0x7A},
159
    {0x5C, 0x92, 0x65, 0xFD, 0x7B, 0x59, 0x6A, 0xA3, 0x7A, 0x2F, 0x50, 0x9D, 0x85, 0xE9, 0x27, 0xF8},
160
    {0x9A, 0x39, 0xFB, 0x89, 0xDF, 0x55, 0xB2, 0x60, 0x14, 0x24, 0xCE, 0xA6, 0xD9, 0x65, 0x0A, 0x9D},
161
    {0x8B, 0x75, 0xBE, 0x91, 0xA8, 0xC7, 0x5A, 0xD2, 0xD7, 0xA5, 0x94, 0xA0, 0x1C, 0xBB, 0x95, 0x91},
162
    {0x95, 0xC2, 0x1B, 0x8D, 0x05, 0xAC, 0xF5, 0xEC, 0x5A, 0xEE, 0x77, 0x81, 0x23, 0x95, 0xC4, 0xD7},
163
    {0xB9, 0xA4, 0x61, 0x64, 0x36, 0x33, 0xFA, 0x5D, 0x94, 0x88, 0xE2, 0xD3, 0x28, 0x1E, 0x01, 0xA2},
164
    {0xB8, 0xB0, 0x84, 0xFB, 0x9F, 0x4C, 0xFA, 0xF7, 0x30, 0xFE, 0x73, 0x25, 0xA2, 0xAB, 0x89, 0x7D},
165
    {0x5F, 0x8C, 0x17, 0x9F, 0xC1, 0xB2, 0x1D, 0xF1, 0xF6, 0x36, 0x7A, 0x9C, 0xF7, 0xD3, 0xD4, 0x7C},
166
};
167

168
u8 kirk1_key[]  = {0x98, 0xC9, 0x40, 0x97, 0x5C, 0x1D, 0x10, 0xE8, 0x7F, 0xE6, 0x0E, 0xA3, 0xFD, 0x03, 0xA8, 0xBA};
169
u8 kirk16_key[] = {0x47, 0x5E, 0x09, 0xF4, 0xA2, 0x37, 0xDA, 0x9B, 0xEF, 0xFF, 0x3B, 0xC0, 0x77, 0x14, 0x3D, 0x8A};
170

171
/* ECC Curves for Kirk 1 and Kirk 0x11 */
172
// Common Curve paramters p and a
173
static u8 ec_p[20] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
174
static u8 ec_a[20] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC}; // mon
175

176
// Kirk 0xC,0xD,0x10,0x11,(likely 0x12)- Unique curve parameters for b, N, and base point G for Kirk 0xC,0xD,0x10,0x11,(likely 0x12) service
177
// Since public key is variable, it is not specified here
178
static u8 ec_b2[20] = {0xA6, 0x8B, 0xED, 0xC3, 0x34, 0x18, 0x02, 0x9C, 0x1D, 0x3C, 0xE3, 0x3B, 0x9A, 0x32, 0x1F, 0xCC, 0xBB, 0x9E, 0x0F, 0x0B};// mon
179
static u8 ec_N2[21] = {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xB5, 0xAE, 0x3C, 0x52, 0x3E, 0x63, 0x94, 0x4F, 0x21, 0x27};
180
static u8 Gx2[20] = {0x12, 0x8E, 0xC4, 0x25, 0x64, 0x87, 0xFD, 0x8F, 0xDF, 0x64, 0xE2, 0x43, 0x7B, 0xC0, 0xA1, 0xF6, 0xD5, 0xAF, 0xDE, 0x2C };
181
static u8 Gy2[20] = {0x59, 0x58, 0x55, 0x7E, 0xB1, 0xDB, 0x00, 0x12, 0x60, 0x42, 0x55, 0x24, 0xDB, 0xC3, 0x79, 0xD5, 0xAC, 0x5F, 0x4A, 0xDF };
182

183
// KIRK 1 - Unique curve parameters for b, N, and base point G
184
// Since public key is hard coded, it is also included
185

186
static u8 ec_b1[20] = {0x65, 0xD1, 0x48, 0x8C, 0x03, 0x59, 0xE2, 0x34, 0xAD, 0xC9, 0x5B, 0xD3, 0x90, 0x80, 0x14, 0xBD, 0x91, 0xA5, 0x25, 0xF9};
187
static u8 ec_N1[21] = {0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x01, 0xB5, 0xC6, 0x17, 0xF2, 0x90, 0xEA, 0xE1, 0xDB, 0xAD, 0x8F};
188
static u8 Gx1[20] = {0x22, 0x59, 0xAC, 0xEE, 0x15, 0x48, 0x9C, 0xB0, 0x96, 0xA8, 0x82, 0xF0, 0xAE, 0x1C, 0xF9, 0xFD, 0x8E, 0xE5, 0xF8, 0xFA };
189
static u8 Gy1[20] = {0x60, 0x43, 0x58, 0x45, 0x6D, 0x0A, 0x1C, 0xB2, 0x90, 0x8D, 0xE9, 0x0F, 0x27, 0xD7, 0x5C, 0x82, 0xBE, 0xC1, 0x08, 0xC0 };
190

191
static u8 Px1[20] = {0xED, 0x9C, 0xE5, 0x82, 0x34, 0xE6, 0x1A, 0x53, 0xC6, 0x85, 0xD6, 0x4D, 0x51, 0xD0, 0x23, 0x6B, 0xC3, 0xB5, 0xD4, 0xB9 };
192
static u8 Py1[20] = {0x04, 0x9D, 0xF1, 0xA0, 0x75, 0xC0, 0xE0, 0x4F, 0xB3, 0x44, 0x85, 0x8B, 0x61, 0xB7, 0x9B, 0x69, 0xA6, 0x3D, 0x2C, 0x39 };
193

194
/* ------------------------- KEY VAULT END ------------------------- */
195

196
/* ------------------------- INTERNAL STUFF ------------------------- */
197
typedef struct blah
198
{
199
  u8 fuseid[8]; //0
200
  u8 mesh[0x40];  //0x8
201
} kirk16_data; //0x48
202
 
203
typedef struct header_keys
204
{
205
  u8 AES[16];
206
  u8 CMAC[16];
207
}header_keys;  //small struct for temporary keeping AES & CMAC key from CMD1 header
208

209

210
u32 g_fuse90;  // This is to match FuseID HW at BC100090 and BC100094
211
u32 g_fuse94;
212

213
AES_ctx aes_kirk1; //global
214
u8 PRNG_DATA[0x14];
215

216
char is_kirk_initialized; //"init" emulation
217

218
/* ------------------------- INTERNAL STUFF END ------------------------- */
219

220

221
/* ------------------------- IMPLEMENTATION ------------------------- */
222

223
int kirk_CMD0(u8* outbuff, u8* inbuff, int size, int generate_trash)
224
{
225
  KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)outbuff;
226
  header_keys *keys = (header_keys *)outbuff; //0-15 AES key, 16-31 CMAC key
227
  int chk_size;
228
  AES_ctx k1;
229
  AES_ctx cmac_key;
230
  u8 cmac_header_hash[16];
231
  u8 cmac_data_hash[16];
232
    
233
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
234

235
  memcpy(outbuff, inbuff, size);
236
   
237
  if(header->mode != KIRK_MODE_CMD1) return KIRK_INVALID_MODE;
238
  
239
  //FILL PREDATA WITH RANDOM DATA
240
  if(generate_trash) kirk_CMD14(outbuff+sizeof(KIRK_CMD1_HEADER), header->data_offset);
241
  
242
  //Make sure data is 16 aligned
243
  chk_size = header->data_size;
244
  if(chk_size % 16) chk_size += 16 - (chk_size % 16);
245
  
246
  //ENCRYPT DATA
247
  AES_set_key(&k1, keys->AES, 128);
248
  AES_cbc_encrypt(&k1, inbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, (u8*)outbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, chk_size);
249
  
250
  //CMAC HASHES
251
  AES_set_key(&cmac_key, keys->CMAC, 128);
252
  AES_CMAC(&cmac_key, outbuff+0x60, 0x30, cmac_header_hash);
253
  AES_CMAC(&cmac_key, outbuff+0x60, 0x30 + chk_size + header->data_offset, cmac_data_hash);
254
  
255
  memcpy(header->CMAC_header_hash, cmac_header_hash, 16);
256
  memcpy(header->CMAC_data_hash, cmac_data_hash, 16);
257
  
258
  //ENCRYPT KEYS
259
  AES_cbc_encrypt(&aes_kirk1, inbuff, outbuff, 16*2);
260
  return KIRK_OPERATION_SUCCESS;
261
}
262

263
int kirk_CMD1(u8* outbuff, u8* inbuff, int size)
264
{
265
  KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)inbuff;
266
  header_keys keys; //0-15 AES key, 16-31 CMAC key
267
  AES_ctx k1;
268
	
269
	if(size < 0x90) return KIRK_INVALID_SIZE;
270
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
271
  if(header->mode != KIRK_MODE_CMD1) return KIRK_INVALID_MODE;
272
  
273
  AES_cbc_decrypt(&aes_kirk1, inbuff, (u8*)&keys, 16*2); //decrypt AES & CMAC key to temp buffer
274
  
275
  if(header->ecdsa_hash == 1)
276
  {
277
  	SHA_CTX sha;
278
  	KIRK_CMD1_ECDSA_HEADER* eheader = (KIRK_CMD1_ECDSA_HEADER*) inbuff;
279
  	u8 kirk1_pub[40];
280
  	u8 header_hash[20];u8 data_hash[20];
281
  	ecdsa_set_curve(ec_p,ec_a,ec_b1,ec_N1,Gx1,Gy1);
282
  	memcpy(kirk1_pub,Px1,20);
283
  	memcpy(kirk1_pub+20,Py1,20);
284
  	ecdsa_set_pub(kirk1_pub);
285
		//Hash the Header
286
		SHAInit(&sha);
287
		SHAUpdate(&sha, (u8*)eheader+0x60, 0x30);
288
		SHAFinal(header_hash, &sha);		
289
		
290
	  if(!ecdsa_verify(header_hash,eheader->header_sig_r,eheader->header_sig_s)) {
291
	    return KIRK_HEADER_HASH_INVALID;
292
	  }
293
	  SHAInit(&sha);
294
		SHAUpdate(&sha, (u8*)eheader+0x60, size-0x60);
295
		SHAFinal(data_hash, &sha);  
296
		
297
	  if(!ecdsa_verify(data_hash,eheader->data_sig_r,eheader->data_sig_s)) {
298
	    return KIRK_DATA_HASH_INVALID;
299
	  }
300

301
  } else  {
302
    int ret = kirk_CMD10(inbuff, size);
303
    if(ret != KIRK_OPERATION_SUCCESS) return ret;
304
  }
305
  
306
  AES_set_key(&k1, keys.AES, 128);
307
  AES_cbc_decrypt(&k1, inbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, outbuff, header->data_size);  
308
  
309
  return KIRK_OPERATION_SUCCESS;
310
}
311

312
int kirk_CMD4(u8* outbuff, u8* inbuff, int size)
313
{
314
  KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER*)inbuff;
315
  u8* key;
316
  AES_ctx aesKey;
317
  
318
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
319
  if(header->mode != KIRK_MODE_ENCRYPT_CBC) return KIRK_INVALID_MODE;
320
  if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
321
  
322
  key = kirk_4_7_get_key(header->keyseed);
323
  if(key == (u8*)KIRK_INVALID_SIZE) return KIRK_INVALID_SIZE;
324
  
325
  //Set the key
326
  AES_set_key(&aesKey, key, 128);
327
  AES_cbc_encrypt(&aesKey, inbuff+sizeof(KIRK_AES128CBC_HEADER), outbuff+sizeof(KIRK_AES128CBC_HEADER), header->data_size);
328
  
329
  return KIRK_OPERATION_SUCCESS;
330
}
331

332
void kirk4(u8* outbuff, const u8* inbuff, size_t size, int keyId)
333
{
334
  AES_ctx aesKey;
335
  u8* key = kirk_4_7_get_key(keyId);
336
  AES_set_key(&aesKey, key, 128);
337
  AES_cbc_encrypt(&aesKey, inbuff, outbuff, (int)size);
338
}
339

340
int kirk_CMD7(u8* outbuff, u8* inbuff, int size)
341
{
342
  KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER*)inbuff;
343
  u8* key;
344
  AES_ctx aesKey;
345
  
346
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
347
  if(header->mode != KIRK_MODE_DECRYPT_CBC) return KIRK_INVALID_MODE;
348
  if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
349
  
350
  key = kirk_4_7_get_key(header->keyseed);
351
  if(key == (u8*)KIRK_INVALID_SIZE) return KIRK_INVALID_SIZE;
352
  
353
  //Set the key
354
  AES_set_key(&aesKey, key, 128);
355
  AES_cbc_decrypt(&aesKey, inbuff+sizeof(KIRK_AES128CBC_HEADER), outbuff, header->data_size);
356
  
357
  return KIRK_OPERATION_SUCCESS;
358
}
359

360
void kirk7(u8* outbuff, const u8* inbuff, size_t size, int keyId)
361
{
362
  AES_ctx aesKey;
363
  u8* key = kirk_4_7_get_key(keyId);
364
  AES_set_key(&aesKey, key, 128);
365
  AES_cbc_decrypt(&aesKey, inbuff, outbuff, (int)size);
366
}
367

368
int kirk_CMD10(u8* inbuff, int insize)
369
{
370
  KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)inbuff;
371
  header_keys keys; //0-15 AES key, 16-31 CMAC key
372
  u8 cmac_header_hash[16];
373
  u8 cmac_data_hash[16];
374
  AES_ctx cmac_key;
375
  int chk_size;
376
  
377
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
378
  if(!(header->mode == KIRK_MODE_CMD1 || header->mode == KIRK_MODE_CMD2 || header->mode == KIRK_MODE_CMD3)) return KIRK_INVALID_MODE;
379
  if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
380
  
381
  if(header->mode == KIRK_MODE_CMD1)
382
  {
383
    AES_cbc_decrypt(&aes_kirk1, inbuff, (u8*)&keys, 32); //decrypt AES & CMAC key to temp buffer
384
    AES_set_key(&cmac_key, keys.CMAC, 128);
385
    AES_CMAC(&cmac_key, inbuff+0x60, 0x30, cmac_header_hash);
386
  
387
    //Make sure data is 16 aligned
388
    chk_size = header->data_size;
389
    if(chk_size % 16) chk_size += 16 - (chk_size % 16);
390
    AES_CMAC(&cmac_key, inbuff+0x60, 0x30 + chk_size + header->data_offset, cmac_data_hash);
391
  
392
    if(memcmp(cmac_header_hash, header->CMAC_header_hash, 16) != 0) return KIRK_HEADER_HASH_INVALID;
393
    if(memcmp(cmac_data_hash, header->CMAC_data_hash, 16) != 0) return KIRK_DATA_HASH_INVALID;
394
  
395
    return KIRK_OPERATION_SUCCESS;
396
  }
397
  return KIRK_SIG_CHECK_INVALID; //Checks for cmd 2 & 3 not included right now
398
}
399

400
int kirk_CMD11(u8* outbuff, u8* inbuff, int size)
401
{
402
  KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *)inbuff;
403
  SHA_CTX sha;
404
  if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
405
  if(header->data_size == 0 || size == 0) return KIRK_DATA_SIZE_ZERO;
406
  
407
	SHAInit(&sha);
408
	SHAUpdate(&sha, inbuff+sizeof(KIRK_SHA1_HEADER), header->data_size);
409
	SHAFinal(outbuff, &sha);
410
  return KIRK_OPERATION_SUCCESS;
411
}
412

413
// Generate an ECDSA Key pair
414
// offset 0 = private key (0x14 len)
415
// offset 0x14 = public key point (0x28 len)
416
int kirk_CMD12(u8 *outbuff, int outsize) {
417
  u8 k[0x15];
418
  KIRK_CMD12_BUFFER * keypair = (KIRK_CMD12_BUFFER *) outbuff;
419

420
  if(outsize != 0x3C) return KIRK_INVALID_SIZE;
421
  ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
422
  k[0] = 0;
423
  kirk_CMD14(k+1,0x14);
424
  ec_priv_to_pub(k, (u8*)keypair->public_key.x);
425
  memcpy(keypair->private_key,k+1,0x14);
426
  
427
  return KIRK_OPERATION_SUCCESS;
428
}
429
// Point multiplication
430
// offset 0 = mulitplication value (0x14 len)
431
// offset 0x14 = point to multiply (0x28 len)
432
int kirk_CMD13(u8 * outbuff, int outsize,u8 * inbuff, int insize) {
433
  u8 k[0x15];
434
  KIRK_CMD13_BUFFER * pointmult = (KIRK_CMD13_BUFFER *) inbuff;
435
  k[0]=0;
436
  if(outsize != 0x28) return KIRK_INVALID_SIZE;
437
  if(insize != 0x3C) return KIRK_INVALID_SIZE;
438
  ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
439
  ecdsa_set_pub((u8*)pointmult->public_key.x);
440
  memcpy(k+1,pointmult->multiplier,0x14);
441
  ec_pub_mult(k, outbuff);
442
  return KIRK_OPERATION_SUCCESS;
443
}
444

445
int kirk_CMD14(u8 *outbuff, int outsize) {
446
  u8 temp[0x104];
447
  // This was added to mollify valgrind.
448
  memset(temp, 0xAA, sizeof(temp));
449

450
  KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *) temp;
451
  
452
  // Some randomly selected data for a "key" to add to each randomization
453
  static const u8 random_data[0x10] = { 0xA7, 0x2E, 0x4C, 0xB6, 0xC3, 0x34, 0xDF, 0x85, 0x70, 0x01, 0x49, 0xFC, 0xC0, 0x87, 0xC4, 0x77 };
454
  u32 curtime;
455
  //if(outsize != 0x14) return KIRK_INVALID_SIZE; // Need real error code
456
  if(outsize <=0) return KIRK_OPERATION_SUCCESS;
457
    
458
  memcpy(temp+4, PRNG_DATA,0x14);
459
  // This uses the standard C time function for portability.
460
  curtime = (u32)time(0);
461
  temp[0x18] = curtime &0xFF;
462
  temp[0x19] = (curtime>>8) &0xFF;
463
  temp[0x1A] = (curtime>>16) &0xFF;
464
  temp[0x1B] = (curtime>>24) &0xFF;
465
  memcpy(&temp[0x1C], random_data, 0x10);
466
  
467
  // WARNING: These next two lines of comments are no longer accurate since I added the memset above.
468
  // This leaves the remainder of the 0x100 bytes in temp to whatever remains on the stack 
469
  // in an uninitialized state. This should add unpredicableness to the results as well
470
  header->data_size=0x100;
471
  kirk_CMD11(PRNG_DATA, temp, 0x104);
472
  while(outsize)
473
  {
474
    int blockrem= outsize %0x14;
475
    int block = outsize /0x14;
476
    
477
    if(block)
478
    {
479
      memcpy(outbuff, PRNG_DATA, 0x14);
480
      outbuff+=0x14;
481
      outsize -= 0x14;
482
      kirk_CMD14(outbuff, outsize);
483
    } else {
484
      if(blockrem)
485
      {
486
        memcpy(outbuff, PRNG_DATA, blockrem);
487
        outsize -= blockrem;
488
      }
489
    }
490
    
491
  }
492
  return KIRK_OPERATION_SUCCESS;
493
}
494

495
void decrypt_kirk16_private(u8 *dA_out, u8 *dA_enc)
496
{
497
  int i, k;
498
  kirk16_data keydata;
499
  u8 subkey_1[0x10], subkey_2[0x10];
500
  rijndael_ctx aes_ctx;
501

502
  keydata.fuseid[7] = g_fuse90 &0xFF;
503
  keydata.fuseid[6] = (g_fuse90>>8) &0xFF;
504
  keydata.fuseid[5] = (g_fuse90>>16) &0xFF;
505
  keydata.fuseid[4] = (g_fuse90>>24) &0xFF; 
506
  keydata.fuseid[3] = g_fuse94 &0xFF;
507
  keydata.fuseid[2] = (g_fuse94>>8) &0xFF;
508
  keydata.fuseid[1] = (g_fuse94>>16) &0xFF;
509
  keydata.fuseid[0] = (g_fuse94>>24) &0xFF;
510
 
511
  /* set encryption key */
512
  rijndael_set_key(&aes_ctx, kirk16_key, 128);
513
 
514
  /* set the subkeys */
515
  for (i = 0; i < 0x10; i++)
516
  {
517
    /* set to the fuseid */
518
    subkey_2[i] = subkey_1[i] = keydata.fuseid[i % 8];
519
  }
520
 
521
  /* do aes crypto */
522
  for (i = 0; i < 3; i++)
523
  {
524
    /* encrypt + decrypt */
525
    rijndael_encrypt(&aes_ctx, subkey_1, subkey_1);
526
    rijndael_decrypt(&aes_ctx, subkey_2, subkey_2);
527
  }
528
 
529
  /* set new key */
530
  rijndael_set_key(&aes_ctx, subkey_1, 128);
531
 
532
  /* now lets make the key mesh */
533
  for (i = 0; i < 3; i++)
534
  {
535
    /* do encryption in group of 3 */
536
    for (k = 0; k < 3; k++)
537
    {
538
      /* crypto */
539
      rijndael_encrypt(&aes_ctx, subkey_2, subkey_2);
540
    }
541
 
542
    /* copy to out block */
543
    memcpy(&keydata.mesh[i * 0x10], subkey_2, 0x10);
544
  }
545
 
546
  /* set the key to the mesh */
547
  rijndael_set_key(&aes_ctx, &keydata.mesh[0x20], 128);
548
 
549
  /* do the encryption routines for the aes key */
550
  for (i = 0; i < 2; i++)
551
  {
552
    /* encrypt the data */
553
    rijndael_encrypt(&aes_ctx, &keydata.mesh[0x10], &keydata.mesh[0x10]);
554
  }
555
 
556
  /* set the key to that mesh shit */
557
  rijndael_set_key(&aes_ctx, &keydata.mesh[0x10], 128);
558
 
559
  /* cbc decrypt the dA */
560
  AES_cbc_decrypt((AES_ctx *)&aes_ctx, dA_enc, dA_out, 0x20);
561
}
562
 
563
void encrypt_kirk16_private(u8 *dA_out, u8 *dA_dec)
564
{
565
  int i, k;
566
  kirk16_data keydata;
567
  u8 subkey_1[0x10], subkey_2[0x10];
568
  rijndael_ctx aes_ctx;
569
 
570

571
  keydata.fuseid[7] = g_fuse90 &0xFF;
572
  keydata.fuseid[6] = (g_fuse90>>8) &0xFF;
573
  keydata.fuseid[5] = (g_fuse90>>16) &0xFF;
574
  keydata.fuseid[4] = (g_fuse90>>24) &0xFF; 
575
  keydata.fuseid[3] = g_fuse94 &0xFF;
576
  keydata.fuseid[2] = (g_fuse94>>8) &0xFF;
577
  keydata.fuseid[1] = (g_fuse94>>16) &0xFF;
578
  keydata.fuseid[0] = (g_fuse94>>24) &0xFF;
579
  /* set encryption key */
580
  rijndael_set_key(&aes_ctx, kirk16_key, 128);
581
 
582
  /* set the subkeys */
583
  for (i = 0; i < 0x10; i++)
584
  {
585
    /* set to the fuseid */
586
    subkey_2[i] = subkey_1[i] = keydata.fuseid[i % 8];
587
  }
588
 
589
  /* do aes crypto */
590
  for (i = 0; i < 3; i++)
591
  {
592
    /* encrypt + decrypt */
593
    rijndael_encrypt(&aes_ctx, subkey_1, subkey_1);
594
    rijndael_decrypt(&aes_ctx, subkey_2, subkey_2);
595
  }
596
 
597
  /* set new key */
598
  rijndael_set_key(&aes_ctx, subkey_1, 128);
599
 
600
  /* now lets make the key mesh */
601
  for (i = 0; i < 3; i++)
602
  {
603
    /* do encryption in group of 3 */
604
    for (k = 0; k < 3; k++)
605
    {
606
      /* crypto */
607
      rijndael_encrypt(&aes_ctx, subkey_2, subkey_2);
608
    }
609
 
610
    /* copy to out block */
611
    memcpy(&keydata.mesh[i * 0x10], subkey_2, 0x10);
612
  }
613
 
614
  /* set the key to the mesh */
615
  rijndael_set_key(&aes_ctx, &keydata.mesh[0x20], 128);
616
 
617
  /* do the encryption routines for the aes key */
618
  for (i = 0; i < 2; i++)
619
  {
620
    /* encrypt the data */
621
    rijndael_encrypt(&aes_ctx, &keydata.mesh[0x10], &keydata.mesh[0x10]);
622
  }
623
 
624
  /* set the key to that mesh shit */
625
  rijndael_set_key(&aes_ctx, &keydata.mesh[0x10], 128);
626
 
627
  /* cbc encrypt the dA */
628
  AES_cbc_encrypt((AES_ctx *)&aes_ctx, dA_dec, dA_out, 0x20);
629
}
630

631
int kirk_CMD16(u8 * outbuff, int outsize, u8 * inbuff, int insize) {
632
	u8 dec_private[0x20];
633
	KIRK_CMD16_BUFFER * signbuf = (KIRK_CMD16_BUFFER *) inbuff;
634
	ECDSA_SIG * sig = (ECDSA_SIG *) outbuff;
635
	if(insize != 0x34) return KIRK_INVALID_SIZE;
636
	if(outsize != 0x28) return KIRK_INVALID_SIZE;
637
	decrypt_kirk16_private(dec_private,signbuf->enc_private);
638
	// Clear out the padding for safety
639
	memset(&dec_private[0x14], 0, 0xC);
640
	ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
641
	ecdsa_set_priv(dec_private);
642
	ecdsa_sign(signbuf->message_hash,sig->r, sig->s);
643
  return KIRK_OPERATION_SUCCESS;
644
}
645

646
// ECDSA Verify
647
// inbuff structure:
648
// 00 = public key (0x28 length)
649
// 28 = message hash (0x14 length)
650
// 3C = signature R (0x14 length)
651
// 50 = signature S (0x14 length)
652
int kirk_CMD17(u8 * inbuff, int insize) {
653
	KIRK_CMD17_BUFFER * sig = (KIRK_CMD17_BUFFER *) inbuff;
654
  if(insize != 0x64) return KIRK_INVALID_SIZE;
655
  ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
656
  ecdsa_set_pub(sig->public_key.x);
657
  // ecdsa_verify(u8 *hash, u8 *R, u8 *S)
658
  if(ecdsa_verify(sig->message_hash,sig->signature.r,sig->signature.s)) {
659
    return KIRK_OPERATION_SUCCESS;
660
  } else {
661
    return KIRK_SIG_CHECK_INVALID;
662
  }
663
}
664

665

666

667
int kirk_init()
668
{
669
  return kirk_init2((u8*)"Lazy Dev should have initialized!",33,0xBABEF00D, 0xDEADBEEF );
670
}
671

672
int kirk_init2(u8 * rnd_seed, u32 seed_size, u32 fuseid_90, u32 fuseid_94) {
673
  u8 temp[0x104];
674
  memset(temp, 0xAA, sizeof(temp));
675
  
676
  KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *) temp;
677
  // Another randomly selected data for a "key" to add to each randomization
678
  static const u8 key[0x10] = {0x07, 0xAB, 0xEF, 0xF8, 0x96, 0x8C, 0xF3, 0xD6, 0x14, 0xE0, 0xEB, 0xB2, 0x9D, 0x8B, 0x4E, 0x74};
679
  u32 curtime;
680

681
  //Set PRNG_DATA initially, otherwise use what ever uninitialized data is in the buffer
682
  if(seed_size > 0) {
683
    u8 * seedbuf;
684
    KIRK_SHA1_HEADER *seedheader;
685
    seedbuf=(u8*)malloc(seed_size+4);
686
    memset(seedbuf, 0, seed_size+4);
687
    seedheader = (KIRK_SHA1_HEADER *) seedbuf;
688
    seedheader->data_size = seed_size;
689
    kirk_CMD11(PRNG_DATA, seedbuf, seed_size+4);    
690
    free(seedbuf);
691
  }
692
  memcpy(temp+4, PRNG_DATA,0x14);
693
  // This uses the standard C time function for portability.
694
  curtime=(u32)time(0);
695
  temp[0x18] = curtime &0xFF;
696
  temp[0x19] = (curtime>>8) &0xFF;
697
  temp[0x1A] = (curtime>>16) &0xFF;
698
  temp[0x1B] = (curtime>>24) &0xFF;
699
  memcpy(&temp[0x1C], key, 0x10);
700
  //This leaves the remainder of the 0x100 bytes in temp to whatever remains on the stack 
701
  // in an uninitialized state. This should add unpredicableness to the results as well
702
  header->data_size=0x100;
703
  kirk_CMD11(PRNG_DATA, temp, 0x104); 
704
  
705
  //Set Fuse ID
706
  g_fuse90=fuseid_90;
707
  g_fuse94=fuseid_94;
708
  
709
  //Set KIRK1 main key
710
  AES_set_key(&aes_kirk1, kirk1_key, 128);
711
  
712

713
  is_kirk_initialized = 1;
714
  return 0;
715
}
716
u8* kirk_4_7_get_key(int key_type)
717
{
718
	if((key_type < 0) || (key_type >=0x80)) return (u8*)KIRK_INVALID_SIZE;
719
	return keyvault[key_type];
720
}
721

722
int kirk_CMD1_ex(u8* outbuff, u8* inbuff, int size, KIRK_CMD1_HEADER* header)
723
{
724
  u8* buffer = (u8*)malloc(size);
725
  int ret;
726
  
727
  memcpy(buffer, header, sizeof(KIRK_CMD1_HEADER));
728
  memcpy(buffer+sizeof(KIRK_CMD1_HEADER), inbuff, header->data_size);
729
  
730
  ret = kirk_CMD1(outbuff, buffer, size);
731
  free(buffer);
732
  return ret;
733
}
734

735
int kirk_sceUtilsBufferCopyWithRange(u8* outbuff, int outsize, const u8* inbuff, int insize, int cmd)
736
{
737
  // TODO: propagate const-correctness into all these functions.
738
  switch(cmd)
739
  {
740
    case KIRK_CMD_DECRYPT_PRIVATE: return kirk_CMD1(outbuff, (u8 *)inbuff, insize); break;
741
    case KIRK_CMD_ENCRYPT_IV_0: return kirk_CMD4(outbuff, (u8 *)inbuff, insize); break;
742
    case KIRK_CMD_DECRYPT_IV_0: return kirk_CMD7(outbuff, (u8 *)inbuff, insize); break;
743
    case KIRK_CMD_PRIV_SIGN_CHECK: return kirk_CMD10((u8 *)inbuff, insize); break;
744
    case KIRK_CMD_SHA1_HASH: return kirk_CMD11(outbuff, (u8 *)inbuff, insize); break;
745
    case KIRK_CMD_ECDSA_GEN_KEYS: return kirk_CMD12(outbuff, outsize); break;
746
    case KIRK_CMD_ECDSA_MULTIPLY_POINT: return kirk_CMD13(outbuff, outsize, (u8 *)inbuff, insize); break;
747
    case KIRK_CMD_PRNG: return kirk_CMD14(outbuff, outsize); break;
748
    case KIRK_CMD_ECDSA_SIGN: return kirk_CMD16(outbuff, outsize, (u8 *)inbuff, insize); break;
749
    case KIRK_CMD_ECDSA_VERIFY: return kirk_CMD17((u8 *)inbuff, insize); break;
750
  }
751
  return -1;
752
}
753

754
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