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ppsspp/ext/libkirk/kirk_engine.c
Henrik Rydgård 70cb1104dc Kirk: Remove use of uninitialized stack as a random number source 
This confused Valgrind and made me think we had another memory bug.

Turns out this is NOT the cause of #13781, which I still don't
understand.
2024-07-16 22:04:41 +02:00

753 lines
34 KiB
C
Raw Blame History

/*
Draan proudly presents:
With huge help from community:
coyotebean, Davee, hitchhikr, kgsws, liquidzigong, Mathieulh, Proxima, SilverSpring
******************** KIRK-ENGINE ********************
An Open-Source implementation of KIRK (PSP crypto engine) algorithms and keys.
Includes also additional routines for hash forging.
********************
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "kirk_engine.h"
#include "AES.h"
#include "SHA1.h"
/* ------------------------- KEY VAULT ------------------------- */
unsigned char keyvault[0x80][0x10] =
{
{0x2C, 0x92, 0xE5, 0x90, 0x2B, 0x86, 0xC1, 0x06, 0xB7, 0x2E, 0xEA, 0x6C, 0xD4, 0xEC, 0x72, 0x48},
{0x05, 0x8D, 0xC8, 0x0B, 0x33, 0xA5, 0xBF, 0x9D, 0x56, 0x98, 0xFA, 0xE0, 0xD3, 0x71, 0x5E, 0x1F},
{0xB8, 0x13, 0xC3, 0x5E, 0xC6, 0x44, 0x41, 0xE3, 0xDC, 0x3C, 0x16, 0xF5, 0xB4, 0x5E, 0x64, 0x84},
{0x98, 0x02, 0xC4, 0xE6, 0xEC, 0x9E, 0x9E, 0x2F, 0xFC, 0x63, 0x4C, 0xE4, 0x2F, 0xBB, 0x46, 0x68},
{0x99, 0x24, 0x4C, 0xD2, 0x58, 0xF5, 0x1B, 0xCB, 0xB0, 0x61, 0x9C, 0xA7, 0x38, 0x30, 0x07, 0x5F},
{0x02, 0x25, 0xD7, 0xBA, 0x63, 0xEC, 0xB9, 0x4A, 0x9D, 0x23, 0x76, 0x01, 0xB3, 0xF6, 0xAC, 0x17},
{0x60, 0x99, 0xF2, 0x81, 0x70, 0x56, 0x0E, 0x5F, 0x74, 0x7C, 0xB5, 0x20, 0xC0, 0xCD, 0xC2, 0x3C},
{0x76, 0x36, 0x8B, 0x43, 0x8F, 0x77, 0xD8, 0x7E, 0xFE, 0x5F, 0xB6, 0x11, 0x59, 0x39, 0x88, 0x5C},
{0x14, 0xA1, 0x15, 0xEB, 0x43, 0x4A, 0x1B, 0xA4, 0x90, 0x5E, 0x03, 0xB6, 0x17, 0xA1, 0x5C, 0x04},
{0xE6, 0x58, 0x03, 0xD9, 0xA7, 0x1A, 0xA8, 0x7F, 0x05, 0x9D, 0x22, 0x9D, 0xAF, 0x54, 0x53, 0xD0},
{0xBA, 0x34, 0x80, 0xB4, 0x28, 0xA7, 0xCA, 0x5F, 0x21, 0x64, 0x12, 0xF7, 0x0F, 0xBB, 0x73, 0x23},
{0x72, 0xAD, 0x35, 0xAC, 0x9A, 0xC3, 0x13, 0x0A, 0x77, 0x8C, 0xB1, 0x9D, 0x88, 0x55, 0x0B, 0x0C},
{0x84, 0x85, 0xC8, 0x48, 0x75, 0x08, 0x43, 0xBC, 0x9B, 0x9A, 0xEC, 0xA7, 0x9C, 0x7F, 0x60, 0x18},
{0xB5, 0xB1, 0x6E, 0xDE, 0x23, 0xA9, 0x7B, 0x0E, 0xA1, 0x7C, 0xDB, 0xA2, 0xDC, 0xDE, 0xC4, 0x6E},
{0xC8, 0x71, 0xFD, 0xB3, 0xBC, 0xC5, 0xD2, 0xF2, 0xE2, 0xD7, 0x72, 0x9D, 0xDF, 0x82, 0x68, 0x82},
{0x0A, 0xBB, 0x33, 0x6C, 0x96, 0xD4, 0xCD, 0xD8, 0xCB, 0x5F, 0x4B, 0xE0, 0xBA, 0xDB, 0x9E, 0x03},
{0x32, 0x29, 0x5B, 0xD5, 0xEA, 0xF7, 0xA3, 0x42, 0x16, 0xC8, 0x8E, 0x48, 0xFF, 0x50, 0xD3, 0x71},
{0x46, 0xF2, 0x5E, 0x8E, 0x4D, 0x2A, 0xA5, 0x40, 0x73, 0x0B, 0xC4, 0x6E, 0x47, 0xEE, 0x6F, 0x0A},
{0x5D, 0xC7, 0x11, 0x39, 0xD0, 0x19, 0x38, 0xBC, 0x02, 0x7F, 0xDD, 0xDC, 0xB0, 0x83, 0x7D, 0x9D},
{0x51, 0xDD, 0x65, 0xF0, 0x71, 0xA4, 0xE5, 0xEA, 0x6A, 0xAF, 0x12, 0x19, 0x41, 0x29, 0xB8, 0xF4},
{0x03, 0x76, 0x3C, 0x68, 0x65, 0xC6, 0x9B, 0x0F, 0xFE, 0x8F, 0xD8, 0xEE, 0xA4, 0x36, 0x16, 0xA0},
{0x7D, 0x50, 0xB8, 0x5C, 0xAF, 0x67, 0x69, 0xF0, 0xE5, 0x4A, 0xA8, 0x09, 0x8B, 0x0E, 0xBE, 0x1C},
{0x72, 0x68, 0x4B, 0x32, 0xAC, 0x3B, 0x33, 0x2F, 0x2A, 0x7A, 0xFC, 0x9E, 0x14, 0xD5, 0x6F, 0x6B},
{0x20, 0x1D, 0x31, 0x96, 0x4A, 0xD9, 0x9F, 0xBF, 0x32, 0xD5, 0xD6, 0x1C, 0x49, 0x1B, 0xD9, 0xFC},
{0xF8, 0xD8, 0x44, 0x63, 0xD6, 0x10, 0xD1, 0x2A, 0x44, 0x8E, 0x96, 0x90, 0xA6, 0xBB, 0x0B, 0xAD},
{0x5C, 0xD4, 0x05, 0x7F, 0xA1, 0x30, 0x60, 0x44, 0x0A, 0xD9, 0xB6, 0x74, 0x5F, 0x24, 0x4F, 0x4E},
{0xF4, 0x8A, 0xD6, 0x78, 0x59, 0x9C, 0x22, 0xC1, 0xD4, 0x11, 0x93, 0x3D, 0xF8, 0x45, 0xB8, 0x93},
{0xCA, 0xE7, 0xD2, 0x87, 0xA2, 0xEC, 0xC1, 0xCD, 0x94, 0x54, 0x2B, 0x5E, 0x1D, 0x94, 0x88, 0xB2},
{0xDE, 0x26, 0xD3, 0x7A, 0x39, 0x95, 0x6C, 0x2A, 0xD8, 0xC3, 0xA6, 0xAF, 0x21, 0xEB, 0xB3, 0x01},
{0x7C, 0xB6, 0x8B, 0x4D, 0xA3, 0x8D, 0x1D, 0xD9, 0x32, 0x67, 0x9C, 0xA9, 0x9F, 0xFB, 0x28, 0x52},
{0xA0, 0xB5, 0x56, 0xB4, 0x69, 0xAB, 0x36, 0x8F, 0x36, 0xDE, 0xC9, 0x09, 0x2E, 0xCB, 0x41, 0xB1},
{0x93, 0x9D, 0xE1, 0x9B, 0x72, 0x5F, 0xEE, 0xE2, 0x45, 0x2A, 0xBC, 0x17, 0x06, 0xD1, 0x47, 0x69},
{0xA4, 0xA4, 0xE6, 0x21, 0x38, 0x2E, 0xF1, 0xAF, 0x7B, 0x17, 0x7A, 0xE8, 0x42, 0xAD, 0x00, 0x31},
{0xC3, 0x7F, 0x13, 0xE8, 0xCF, 0x84, 0xDB, 0x34, 0x74, 0x7B, 0xC3, 0xA0, 0xF1, 0x9D, 0x3A, 0x73},
{0x2B, 0xF7, 0x83, 0x8A, 0xD8, 0x98, 0xE9, 0x5F, 0xA5, 0xF9, 0x01, 0xDA, 0x61, 0xFE, 0x35, 0xBB},
{0xC7, 0x04, 0x62, 0x1E, 0x71, 0x4A, 0x66, 0xEA, 0x62, 0xE0, 0x4B, 0x20, 0x3D, 0xB8, 0xC2, 0xE5},
{0xC9, 0x33, 0x85, 0x9A, 0xAB, 0x00, 0xCD, 0xCE, 0x4D, 0x8B, 0x8E, 0x9F, 0x3D, 0xE6, 0xC0, 0x0F},
{0x18, 0x42, 0x56, 0x1F, 0x2B, 0x5F, 0x34, 0xE3, 0x51, 0x3E, 0xB7, 0x89, 0x77, 0x43, 0x1A, 0x65},
{0xDC, 0xB0, 0xA0, 0x06, 0x5A, 0x50, 0xA1, 0x4E, 0x59, 0xAC, 0x97, 0x3F, 0x17, 0x58, 0xA3, 0xA3},
{0xC4, 0xDB, 0xAE, 0x83, 0xE2, 0x9C, 0xF2, 0x54, 0xA3, 0xDD, 0x37, 0x4E, 0x80, 0x7B, 0xF4, 0x25},
{0xBF, 0xAE, 0xEB, 0x49, 0x82, 0x65, 0xC5, 0x7C, 0x64, 0xB8, 0xC1, 0x7E, 0x19, 0x06, 0x44, 0x09},
{0x79, 0x7C, 0xEC, 0xC3, 0xB3, 0xEE, 0x0A, 0xC0, 0x3B, 0xD8, 0xE6, 0xC1, 0xE0, 0xA8, 0xB1, 0xA4},
{0x75, 0x34, 0xFE, 0x0B, 0xD6, 0xD0, 0xC2, 0x8D, 0x68, 0xD4, 0xE0, 0x2A, 0xE7, 0xD5, 0xD1, 0x55},
{0xFA, 0xB3, 0x53, 0x26, 0x97, 0x4F, 0x4E, 0xDF, 0xE4, 0xC3, 0xA8, 0x14, 0xC3, 0x2F, 0x0F, 0x88},
{0xEC, 0x97, 0xB3, 0x86, 0xB4, 0x33, 0xC6, 0xBF, 0x4E, 0x53, 0x9D, 0x95, 0xEB, 0xB9, 0x79, 0xE4},
{0xB3, 0x20, 0xA2, 0x04, 0xCF, 0x48, 0x06, 0x29, 0xB5, 0xDD, 0x8E, 0xFC, 0x98, 0xD4, 0x17, 0x7B},
{0x5D, 0xFC, 0x0D, 0x4F, 0x2C, 0x39, 0xDA, 0x68, 0x4A, 0x33, 0x74, 0xED, 0x49, 0x58, 0xA7, 0x3A},
{0xD7, 0x5A, 0x54, 0x22, 0xCE, 0xD9, 0xA3, 0xD6, 0x2B, 0x55, 0x7D, 0x8D, 0xE8, 0xBE, 0xC7, 0xEC},
{0x6B, 0x4A, 0xEE, 0x43, 0x45, 0xAE, 0x70, 0x07, 0xCF, 0x8D, 0xCF, 0x4E, 0x4A, 0xE9, 0x3C, 0xFA},
{0x2B, 0x52, 0x2F, 0x66, 0x4C, 0x2D, 0x11, 0x4C, 0xFE, 0x61, 0x31, 0x8C, 0x56, 0x78, 0x4E, 0xA6},
{0x3A, 0xA3, 0x4E, 0x44, 0xC6, 0x6F, 0xAF, 0x7B, 0xFA, 0xE5, 0x53, 0x27, 0xEF, 0xCF, 0xCC, 0x24},
{0x2B, 0x5C, 0x78, 0xBF, 0xC3, 0x8E, 0x49, 0x9D, 0x41, 0xC3, 0x3C, 0x5C, 0x7B, 0x27, 0x96, 0xCE},
{0xF3, 0x7E, 0xEA, 0xD2, 0xC0, 0xC8, 0x23, 0x1D, 0xA9, 0x9B, 0xFA, 0x49, 0x5D, 0xB7, 0x08, 0x1B},
{0x70, 0x8D, 0x4E, 0x6F, 0xD1, 0xF6, 0x6F, 0x1D, 0x1E, 0x1F, 0xCB, 0x02, 0xF9, 0xB3, 0x99, 0x26},
{0x0F, 0x67, 0x16, 0xE1, 0x80, 0x69, 0x9C, 0x51, 0xFC, 0xC7, 0xAD, 0x6E, 0x4F, 0xB8, 0x46, 0xC9},
{0x56, 0x0A, 0x49, 0x4A, 0x84, 0x4C, 0x8E, 0xD9, 0x82, 0xEE, 0x0B, 0x6D, 0xC5, 0x7D, 0x20, 0x8D},
{0x12, 0x46, 0x8D, 0x7E, 0x1C, 0x42, 0x20, 0x9B, 0xBA, 0x54, 0x26, 0x83, 0x5E, 0xB0, 0x33, 0x03},
{0xC4, 0x3B, 0xB6, 0xD6, 0x53, 0xEE, 0x67, 0x49, 0x3E, 0xA9, 0x5F, 0xBC, 0x0C, 0xED, 0x6F, 0x8A},
{0x2C, 0xC3, 0xCF, 0x8C, 0x28, 0x78, 0xA5, 0xA6, 0x63, 0xE2, 0xAF, 0x2D, 0x71, 0x5E, 0x86, 0xBA},
{0x83, 0x3D, 0xA7, 0x0C, 0xED, 0x6A, 0x20, 0x12, 0xD1, 0x96, 0xE6, 0xFE, 0x5C, 0x4D, 0x37, 0xC5},
{0xC7, 0x43, 0xD0, 0x67, 0x42, 0xEE, 0x90, 0xB8, 0xCA, 0x75, 0x50, 0x35, 0x20, 0xAD, 0xBC, 0xCE},
{0x8A, 0xE3, 0x66, 0x3F, 0x8D, 0x9E, 0x82, 0xA1, 0xED, 0xE6, 0x8C, 0x9C, 0xE8, 0x25, 0x6D, 0xAA},
{0x7F, 0xC9, 0x6F, 0x0B, 0xB1, 0x48, 0x5C, 0xA5, 0x5D, 0xD3, 0x64, 0xB7, 0x7A, 0xF5, 0xE4, 0xEA},
{0x91, 0xB7, 0x65, 0x78, 0x8B, 0xCB, 0x8B, 0xD4, 0x02, 0xED, 0x55, 0x3A, 0x66, 0x62, 0xD0, 0xAD},
{0x28, 0x24, 0xF9, 0x10, 0x1B, 0x8D, 0x0F, 0x7B, 0x6E, 0xB2, 0x63, 0xB5, 0xB5, 0x5B, 0x2E, 0xBB},
{0x30, 0xE2, 0x57, 0x5D, 0xE0, 0xA2, 0x49, 0xCE, 0xE8, 0xCF, 0x2B, 0x5E, 0x4D, 0x9F, 0x52, 0xC7},
{0x5E, 0xE5, 0x04, 0x39, 0x62, 0x32, 0x02, 0xFA, 0x85, 0x39, 0x3F, 0x72, 0xBB, 0x77, 0xFD, 0x1A},
{0xF8, 0x81, 0x74, 0xB1, 0xBD, 0xE9, 0xBF, 0xDD, 0x45, 0xE2, 0xF5, 0x55, 0x89, 0xCF, 0x46, 0xAB},
{0x7D, 0xF4, 0x92, 0x65, 0xE3, 0xFA, 0xD6, 0x78, 0xD6, 0xFE, 0x78, 0xAD, 0xBB, 0x3D, 0xFB, 0x63},
{0x74, 0x7F, 0xD6, 0x2D, 0xC7, 0xA1, 0xCA, 0x96, 0xE2, 0x7A, 0xCE, 0xFF, 0xAA, 0x72, 0x3F, 0xF7},
{0x1E, 0x58, 0xEB, 0xD0, 0x65, 0xBB, 0xF1, 0x68, 0xC5, 0xBD, 0xF7, 0x46, 0xBA, 0x7B, 0xE1, 0x00},
{0x24, 0x34, 0x7D, 0xAF, 0x5E, 0x4B, 0x35, 0x72, 0x7A, 0x52, 0x27, 0x6B, 0xA0, 0x54, 0x74, 0xDB},
{0x09, 0xB1, 0xC7, 0x05, 0xC3, 0x5F, 0x53, 0x66, 0x77, 0xC0, 0xEB, 0x36, 0x77, 0xDF, 0x83, 0x07},
{0xCC, 0xBE, 0x61, 0x5C, 0x05, 0xA2, 0x00, 0x33, 0x37, 0x8E, 0x59, 0x64, 0xA7, 0xDD, 0x70, 0x3D},
{0x0D, 0x47, 0x50, 0xBB, 0xFC, 0xB0, 0x02, 0x81, 0x30, 0xE1, 0x84, 0xDE, 0xA8, 0xD4, 0x84, 0x13},
{0x0C, 0xFD, 0x67, 0x9A, 0xF9, 0xB4, 0x72, 0x4F, 0xD7, 0x8D, 0xD6, 0xE9, 0x96, 0x42, 0x28, 0x8B},
{0x7A, 0xD3, 0x1A, 0x8B, 0x4B, 0xEF, 0xC2, 0xC2, 0xB3, 0x99, 0x01, 0xA9, 0xFE, 0x76, 0xB9, 0x87},
{0xBE, 0x78, 0x78, 0x17, 0xC7, 0xF1, 0x6F, 0x1A, 0xE0, 0xEF, 0x3B, 0xDE, 0x4C, 0xC2, 0xD7, 0x86},
{0x7C, 0xD8, 0xB8, 0x91, 0x91, 0x0A, 0x43, 0x14, 0xD0, 0x53, 0x3D, 0xD8, 0x4C, 0x45, 0xBE, 0x16},
{0x32, 0x72, 0x2C, 0x88, 0x07, 0xCF, 0x35, 0x7D, 0x4A, 0x2F, 0x51, 0x19, 0x44, 0xAE, 0x68, 0xDA},
{0x7E, 0x6B, 0xBF, 0xF6, 0xF6, 0x87, 0xB8, 0x98, 0xEE, 0xB5, 0x1B, 0x32, 0x16, 0xE4, 0x6E, 0x5D},
{0x08, 0xEA, 0x5A, 0x83, 0x49, 0xB5, 0x9D, 0xB5, 0x3E, 0x07, 0x79, 0xB1, 0x9A, 0x59, 0xA3, 0x54},
{0xF3, 0x12, 0x81, 0xBF, 0xE6, 0x9F, 0x51, 0xD1, 0x64, 0x08, 0x25, 0x21, 0xFF, 0xBB, 0x22, 0x61},
{0xAF, 0xFE, 0x8E, 0xB1, 0x3D, 0xD1, 0x7E, 0xD8, 0x0A, 0x61, 0x24, 0x1C, 0x95, 0x92, 0x56, 0xB6},
{0x92, 0xCD, 0xB4, 0xC2, 0x5B, 0xF2, 0x35, 0x5A, 0x23, 0x09, 0xE8, 0x19, 0xC9, 0x14, 0x42, 0x35},
{0xE1, 0xC6, 0x5B, 0x22, 0x6B, 0xE1, 0xDA, 0x02, 0xBA, 0x18, 0xFA, 0x21, 0x34, 0x9E, 0xF9, 0x6D},
{0x14, 0xEC, 0x76, 0xCE, 0x97, 0xF3, 0x8A, 0x0A, 0x34, 0x50, 0x6C, 0x53, 0x9A, 0x5C, 0x9A, 0xB4},
{0x1C, 0x9B, 0xC4, 0x90, 0xE3, 0x06, 0x64, 0x81, 0xFA, 0x59, 0xFD, 0xB6, 0x00, 0xBB, 0x28, 0x70},
{0x43, 0xA5, 0xCA, 0xCC, 0x0D, 0x6C, 0x2D, 0x3F, 0x2B, 0xD9, 0x89, 0x67, 0x6B, 0x3F, 0x7F, 0x57},
{0x00, 0xEF, 0xFD, 0x18, 0x08, 0xA4, 0x05, 0x89, 0x3C, 0x38, 0xFB, 0x25, 0x72, 0x70, 0x61, 0x06},
{0xEE, 0xAF, 0x49, 0xE0, 0x09, 0x87, 0x9B, 0xEF, 0xAA, 0xD6, 0x32, 0x6A, 0x32, 0x13, 0xC4, 0x29},
{0x8D, 0x26, 0xB9, 0x0F, 0x43, 0x1D, 0xBB, 0x08, 0xDB, 0x1D, 0xDA, 0xC5, 0xB5, 0x2C, 0x92, 0xED},
{0x57, 0x7C, 0x30, 0x60, 0xAE, 0x6E, 0xBE, 0xAE, 0x3A, 0xAB, 0x18, 0x19, 0xC5, 0x71, 0x68, 0x0B},
{0x11, 0x5A, 0x5D, 0x20, 0xD5, 0x3A, 0x8D, 0xD3, 0x9C, 0xC5, 0xAF, 0x41, 0x0F, 0x0F, 0x18, 0x6F},
{0x0D, 0x4D, 0x51, 0xAB, 0x23, 0x79, 0xBF, 0x80, 0x3A, 0xBF, 0xB9, 0x0E, 0x75, 0xFC, 0x14, 0xBF},
{0x99, 0x93, 0xDA, 0x3E, 0x7D, 0x2E, 0x5B, 0x15, 0xF2, 0x52, 0xA4, 0xE6, 0x6B, 0xB8, 0x5A, 0x98},
{0xF4, 0x28, 0x30, 0xA5, 0xFB, 0x0D, 0x8D, 0x76, 0x0E, 0xA6, 0x71, 0xC2, 0x2B, 0xDE, 0x66, 0x9D},
{0xFB, 0x5F, 0xEB, 0x7F, 0xC7, 0xDC, 0xDD, 0x69, 0x37, 0x01, 0x97, 0x9B, 0x29, 0x03, 0x5C, 0x47},
{0x02, 0x32, 0x6A, 0xE7, 0xD3, 0x96, 0xCE, 0x7F, 0x1C, 0x41, 0x9D, 0xD6, 0x52, 0x07, 0xED, 0x09},
{0x9C, 0x9B, 0x13, 0x72, 0xF8, 0xC6, 0x40, 0xCF, 0x1C, 0x62, 0xF5, 0xD5, 0x92, 0xDD, 0xB5, 0x82},
{0x03, 0xB3, 0x02, 0xE8, 0x5F, 0xF3, 0x81, 0xB1, 0x3B, 0x8D, 0xAA, 0x2A, 0x90, 0xFF, 0x5E, 0x61},
{0xBC, 0xD7, 0xF9, 0xD3, 0x2F, 0xAC, 0xF8, 0x47, 0xC0, 0xFB, 0x4D, 0x2F, 0x30, 0x9A, 0xBD, 0xA6},
{0xF5, 0x55, 0x96, 0xE9, 0x7F, 0xAF, 0x86, 0x7F, 0xAC, 0xB3, 0x3A, 0xE6, 0x9C, 0x8B, 0x6F, 0x93},
{0xEE, 0x29, 0x70, 0x93, 0xF9, 0x4E, 0x44, 0x59, 0x44, 0x17, 0x1F, 0x8E, 0x86, 0xE1, 0x70, 0xFC},
{0xE4, 0x34, 0x52, 0x0C, 0xF0, 0x88, 0xCF, 0xC8, 0xCD, 0x78, 0x1B, 0x6C, 0xCF, 0x8C, 0x48, 0xC4},
{0xC1, 0xBF, 0x66, 0x81, 0x8E, 0xF9, 0x53, 0xF2, 0xE1, 0x26, 0x6B, 0x6F, 0x55, 0x0C, 0xC9, 0xCD},
{0x56, 0x0F, 0xFF, 0x8F, 0x3C, 0x96, 0x49, 0x14, 0x45, 0x16, 0xF1, 0xBC, 0xBF, 0xCE, 0xA3, 0x0C},
{0x24, 0x08, 0xDC, 0x75, 0x37, 0x60, 0xA2, 0x9F, 0x05, 0x54, 0xB5, 0xF2, 0x43, 0x85, 0x73, 0x99},
{0xDD, 0xD5, 0xB5, 0x6A, 0x59, 0xC5, 0x5A, 0xE8, 0x3B, 0x96, 0x67, 0xC7, 0x5C, 0x2A, 0xE2, 0xDC},
{0xAA, 0x68, 0x67, 0x72, 0xE0, 0x2D, 0x44, 0xD5, 0xCD, 0xBB, 0x65, 0x04, 0xBC, 0xD5, 0xBF, 0x4E},
{0x1F, 0x17, 0xF0, 0x14, 0xE7, 0x77, 0xA2, 0xFE, 0x4B, 0x13, 0x6B, 0x56, 0xCD, 0x7E, 0xF7, 0xE9},
{0xC9, 0x35, 0x48, 0xCF, 0x55, 0x8D, 0x75, 0x03, 0x89, 0x6B, 0x2E, 0xEB, 0x61, 0x8C, 0xA9, 0x02},
{0xDE, 0x34, 0xC5, 0x41, 0xE7, 0xCA, 0x86, 0xE8, 0xBE, 0xA7, 0xC3, 0x1C, 0xEC, 0xE4, 0x36, 0x0F},
{0xDD, 0xE5, 0xFF, 0x55, 0x1B, 0x74, 0xF6, 0xF4, 0xE0, 0x16, 0xD7, 0xAB, 0x22, 0x31, 0x1B, 0x6A},
{0xB0, 0xE9, 0x35, 0x21, 0x33, 0x3F, 0xD7, 0xBA, 0xB4, 0x76, 0x2C, 0xCB, 0x4D, 0x80, 0x08, 0xD8},
{0x38, 0x14, 0x69, 0xC4, 0xC3, 0xF9, 0x1B, 0x96, 0x33, 0x63, 0x8E, 0x4D, 0x5F, 0x3D, 0xF0, 0x29},
{0xFA, 0x48, 0x6A, 0xD9, 0x8E, 0x67, 0x16, 0xEF, 0x6A, 0xB0, 0x87, 0xF5, 0x89, 0x45, 0x7F, 0x2A},
{0x32, 0x1A, 0x09, 0x12, 0x50, 0x14, 0x8A, 0x3E, 0x96, 0x3D, 0xEA, 0x02, 0x59, 0x32, 0xE1, 0x8F},
{0x4B, 0x00, 0xBE, 0x29, 0xBC, 0xB0, 0x28, 0x64, 0xCE, 0xFD, 0x43, 0xA9, 0x6F, 0xD9, 0x5C, 0xED},
{0x57, 0x7D, 0xC4, 0xFF, 0x02, 0x44, 0xE2, 0x80, 0x91, 0xF4, 0xCA, 0x0A, 0x75, 0x69, 0xFD, 0xA8},
{0x83, 0x53, 0x36, 0xC6, 0x18, 0x03, 0xE4, 0x3E, 0x4E, 0xB3, 0x0F, 0x6B, 0x6E, 0x79, 0x9B, 0x7A},
{0x5C, 0x92, 0x65, 0xFD, 0x7B, 0x59, 0x6A, 0xA3, 0x7A, 0x2F, 0x50, 0x9D, 0x85, 0xE9, 0x27, 0xF8},
{0x9A, 0x39, 0xFB, 0x89, 0xDF, 0x55, 0xB2, 0x60, 0x14, 0x24, 0xCE, 0xA6, 0xD9, 0x65, 0x0A, 0x9D},
{0x8B, 0x75, 0xBE, 0x91, 0xA8, 0xC7, 0x5A, 0xD2, 0xD7, 0xA5, 0x94, 0xA0, 0x1C, 0xBB, 0x95, 0x91},
{0x95, 0xC2, 0x1B, 0x8D, 0x05, 0xAC, 0xF5, 0xEC, 0x5A, 0xEE, 0x77, 0x81, 0x23, 0x95, 0xC4, 0xD7},
{0xB9, 0xA4, 0x61, 0x64, 0x36, 0x33, 0xFA, 0x5D, 0x94, 0x88, 0xE2, 0xD3, 0x28, 0x1E, 0x01, 0xA2},
{0xB8, 0xB0, 0x84, 0xFB, 0x9F, 0x4C, 0xFA, 0xF7, 0x30, 0xFE, 0x73, 0x25, 0xA2, 0xAB, 0x89, 0x7D},
{0x5F, 0x8C, 0x17, 0x9F, 0xC1, 0xB2, 0x1D, 0xF1, 0xF6, 0x36, 0x7A, 0x9C, 0xF7, 0xD3, 0xD4, 0x7C},
};
u8 kirk1_key[] = {0x98, 0xC9, 0x40, 0x97, 0x5C, 0x1D, 0x10, 0xE8, 0x7F, 0xE6, 0x0E, 0xA3, 0xFD, 0x03, 0xA8, 0xBA};
u8 kirk16_key[] = {0x47, 0x5E, 0x09, 0xF4, 0xA2, 0x37, 0xDA, 0x9B, 0xEF, 0xFF, 0x3B, 0xC0, 0x77, 0x14, 0x3D, 0x8A};
/* ECC Curves for Kirk 1 and Kirk 0x11 */
// Common Curve paramters p and a
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};
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
// 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
// Since public key is variable, it is not specified here
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
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};
static u8 Gx2[20] = {0x12, 0x8E, 0xC4, 0x25, 0x64, 0x87, 0xFD, 0x8F, 0xDF, 0x64, 0xE2, 0x43, 0x7B, 0xC0, 0xA1, 0xF6, 0xD5, 0xAF, 0xDE, 0x2C };
static u8 Gy2[20] = {0x59, 0x58, 0x55, 0x7E, 0xB1, 0xDB, 0x00, 0x12, 0x60, 0x42, 0x55, 0x24, 0xDB, 0xC3, 0x79, 0xD5, 0xAC, 0x5F, 0x4A, 0xDF };
// KIRK 1 - Unique curve parameters for b, N, and base point G
// Since public key is hard coded, it is also included
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};
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};
static u8 Gx1[20] = {0x22, 0x59, 0xAC, 0xEE, 0x15, 0x48, 0x9C, 0xB0, 0x96, 0xA8, 0x82, 0xF0, 0xAE, 0x1C, 0xF9, 0xFD, 0x8E, 0xE5, 0xF8, 0xFA };
static u8 Gy1[20] = {0x60, 0x43, 0x58, 0x45, 0x6D, 0x0A, 0x1C, 0xB2, 0x90, 0x8D, 0xE9, 0x0F, 0x27, 0xD7, 0x5C, 0x82, 0xBE, 0xC1, 0x08, 0xC0 };
static u8 Px1[20] = {0xED, 0x9C, 0xE5, 0x82, 0x34, 0xE6, 0x1A, 0x53, 0xC6, 0x85, 0xD6, 0x4D, 0x51, 0xD0, 0x23, 0x6B, 0xC3, 0xB5, 0xD4, 0xB9 };
static u8 Py1[20] = {0x04, 0x9D, 0xF1, 0xA0, 0x75, 0xC0, 0xE0, 0x4F, 0xB3, 0x44, 0x85, 0x8B, 0x61, 0xB7, 0x9B, 0x69, 0xA6, 0x3D, 0x2C, 0x39 };
/* ------------------------- KEY VAULT END ------------------------- */
/* ------------------------- INTERNAL STUFF ------------------------- */
typedef struct blah
{
u8 fuseid[8]; //0
u8 mesh[0x40]; //0x8
} kirk16_data; //0x48
typedef struct header_keys
{
u8 AES[16];
u8 CMAC[16];
}header_keys; //small struct for temporary keeping AES & CMAC key from CMD1 header
u32 g_fuse90; // This is to match FuseID HW at BC100090 and BC100094
u32 g_fuse94;
AES_ctx aes_kirk1; //global
u8 PRNG_DATA[0x14];
char is_kirk_initialized; //"init" emulation
/* ------------------------- INTERNAL STUFF END ------------------------- */
/* ------------------------- IMPLEMENTATION ------------------------- */
int kirk_CMD0(u8* outbuff, u8* inbuff, int size, int generate_trash)
{
KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)outbuff;
header_keys *keys = (header_keys *)outbuff; //0-15 AES key, 16-31 CMAC key
int chk_size;
AES_ctx k1;
AES_ctx cmac_key;
u8 cmac_header_hash[16];
u8 cmac_data_hash[16];
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
memcpy(outbuff, inbuff, size);
if(header->mode != KIRK_MODE_CMD1) return KIRK_INVALID_MODE;
//FILL PREDATA WITH RANDOM DATA
if(generate_trash) kirk_CMD14(outbuff+sizeof(KIRK_CMD1_HEADER), header->data_offset);
//Make sure data is 16 aligned
chk_size = header->data_size;
if(chk_size % 16) chk_size += 16 - (chk_size % 16);
//ENCRYPT DATA
AES_set_key(&k1, keys->AES, 128);
AES_cbc_encrypt(&k1, inbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, (u8*)outbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, chk_size);
//CMAC HASHES
AES_set_key(&cmac_key, keys->CMAC, 128);
AES_CMAC(&cmac_key, outbuff+0x60, 0x30, cmac_header_hash);
AES_CMAC(&cmac_key, outbuff+0x60, 0x30 + chk_size + header->data_offset, cmac_data_hash);
memcpy(header->CMAC_header_hash, cmac_header_hash, 16);
memcpy(header->CMAC_data_hash, cmac_data_hash, 16);
//ENCRYPT KEYS
AES_cbc_encrypt(&aes_kirk1, inbuff, outbuff, 16*2);
return KIRK_OPERATION_SUCCESS;
}
int kirk_CMD1(u8* outbuff, u8* inbuff, int size)
{
KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)inbuff;
header_keys keys; //0-15 AES key, 16-31 CMAC key
AES_ctx k1;
if(size < 0x90) return KIRK_INVALID_SIZE;
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
if(header->mode != KIRK_MODE_CMD1) return KIRK_INVALID_MODE;
AES_cbc_decrypt(&aes_kirk1, inbuff, (u8*)&keys, 16*2); //decrypt AES & CMAC key to temp buffer
if(header->ecdsa_hash == 1)
{
SHA_CTX sha;
KIRK_CMD1_ECDSA_HEADER* eheader = (KIRK_CMD1_ECDSA_HEADER*) inbuff;
u8 kirk1_pub[40];
u8 header_hash[20];u8 data_hash[20];
ecdsa_set_curve(ec_p,ec_a,ec_b1,ec_N1,Gx1,Gy1);
memcpy(kirk1_pub,Px1,20);
memcpy(kirk1_pub+20,Py1,20);
ecdsa_set_pub(kirk1_pub);
//Hash the Header
SHAInit(&sha);
SHAUpdate(&sha, (u8*)eheader+0x60, 0x30);
SHAFinal(header_hash, &sha);
if(!ecdsa_verify(header_hash,eheader->header_sig_r,eheader->header_sig_s)) {
return KIRK_HEADER_HASH_INVALID;
}
SHAInit(&sha);
SHAUpdate(&sha, (u8*)eheader+0x60, size-0x60);
SHAFinal(data_hash, &sha);
if(!ecdsa_verify(data_hash,eheader->data_sig_r,eheader->data_sig_s)) {
return KIRK_DATA_HASH_INVALID;
}
} else {
int ret = kirk_CMD10(inbuff, size);
if(ret != KIRK_OPERATION_SUCCESS) return ret;
}
AES_set_key(&k1, keys.AES, 128);
AES_cbc_decrypt(&k1, inbuff+sizeof(KIRK_CMD1_HEADER)+header->data_offset, outbuff, header->data_size);
return KIRK_OPERATION_SUCCESS;
}
int kirk_CMD4(u8* outbuff, u8* inbuff, int size)
{
KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER*)inbuff;
u8* key;
AES_ctx aesKey;
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
if(header->mode != KIRK_MODE_ENCRYPT_CBC) return KIRK_INVALID_MODE;
if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
key = kirk_4_7_get_key(header->keyseed);
if(key == (u8*)KIRK_INVALID_SIZE) return KIRK_INVALID_SIZE;
//Set the key
AES_set_key(&aesKey, key, 128);
AES_cbc_encrypt(&aesKey, inbuff+sizeof(KIRK_AES128CBC_HEADER), outbuff+sizeof(KIRK_AES128CBC_HEADER), header->data_size);
return KIRK_OPERATION_SUCCESS;
}
void kirk4(u8* outbuff, const u8* inbuff, size_t size, int keyId)
{
AES_ctx aesKey;
u8* key = kirk_4_7_get_key(keyId);
AES_set_key(&aesKey, key, 128);
AES_cbc_encrypt(&aesKey, inbuff, outbuff, (int)size);
}
int kirk_CMD7(u8* outbuff, u8* inbuff, int size)
{
KIRK_AES128CBC_HEADER *header = (KIRK_AES128CBC_HEADER*)inbuff;
u8* key;
AES_ctx aesKey;
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
if(header->mode != KIRK_MODE_DECRYPT_CBC) return KIRK_INVALID_MODE;
if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
key = kirk_4_7_get_key(header->keyseed);
if(key == (u8*)KIRK_INVALID_SIZE) return KIRK_INVALID_SIZE;
//Set the key
AES_set_key(&aesKey, key, 128);
AES_cbc_decrypt(&aesKey, inbuff+sizeof(KIRK_AES128CBC_HEADER), outbuff, header->data_size);
return KIRK_OPERATION_SUCCESS;
}
void kirk7(u8* outbuff, const u8* inbuff, size_t size, int keyId)
{
AES_ctx aesKey;
u8* key = kirk_4_7_get_key(keyId);
AES_set_key(&aesKey, key, 128);
AES_cbc_decrypt(&aesKey, inbuff, outbuff, (int)size);
}
int kirk_CMD10(u8* inbuff, int insize)
{
KIRK_CMD1_HEADER* header = (KIRK_CMD1_HEADER*)inbuff;
header_keys keys; //0-15 AES key, 16-31 CMAC key
u8 cmac_header_hash[16];
u8 cmac_data_hash[16];
AES_ctx cmac_key;
int chk_size;
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
if(!(header->mode == KIRK_MODE_CMD1 || header->mode == KIRK_MODE_CMD2 || header->mode == KIRK_MODE_CMD3)) return KIRK_INVALID_MODE;
if(header->data_size == 0) return KIRK_DATA_SIZE_ZERO;
if(header->mode == KIRK_MODE_CMD1)
{
AES_cbc_decrypt(&aes_kirk1, inbuff, (u8*)&keys, 32); //decrypt AES & CMAC key to temp buffer
AES_set_key(&cmac_key, keys.CMAC, 128);
AES_CMAC(&cmac_key, inbuff+0x60, 0x30, cmac_header_hash);
//Make sure data is 16 aligned
chk_size = header->data_size;
if(chk_size % 16) chk_size += 16 - (chk_size % 16);
AES_CMAC(&cmac_key, inbuff+0x60, 0x30 + chk_size + header->data_offset, cmac_data_hash);
if(memcmp(cmac_header_hash, header->CMAC_header_hash, 16) != 0) return KIRK_HEADER_HASH_INVALID;
if(memcmp(cmac_data_hash, header->CMAC_data_hash, 16) != 0) return KIRK_DATA_HASH_INVALID;
return KIRK_OPERATION_SUCCESS;
}
return KIRK_SIG_CHECK_INVALID; //Checks for cmd 2 & 3 not included right now
}
int kirk_CMD11(u8* outbuff, u8* inbuff, int size)
{
KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *)inbuff;
SHA_CTX sha;
if(is_kirk_initialized == 0) return KIRK_NOT_INITIALIZED;
if(header->data_size == 0 || size == 0) return KIRK_DATA_SIZE_ZERO;
SHAInit(&sha);
SHAUpdate(&sha, inbuff+sizeof(KIRK_SHA1_HEADER), header->data_size);
SHAFinal(outbuff, &sha);
return KIRK_OPERATION_SUCCESS;
}
// Generate an ECDSA Key pair
// offset 0 = private key (0x14 len)
// offset 0x14 = public key point (0x28 len)
int kirk_CMD12(u8 *outbuff, int outsize) {
u8 k[0x15];
KIRK_CMD12_BUFFER * keypair = (KIRK_CMD12_BUFFER *) outbuff;
if(outsize != 0x3C) return KIRK_INVALID_SIZE;
ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
k[0] = 0;
kirk_CMD14(k+1,0x14);
ec_priv_to_pub(k, (u8*)keypair->public_key.x);
memcpy(keypair->private_key,k+1,0x14);
return KIRK_OPERATION_SUCCESS;
}
// Point multiplication
// offset 0 = mulitplication value (0x14 len)
// offset 0x14 = point to multiply (0x28 len)
int kirk_CMD13(u8 * outbuff, int outsize,u8 * inbuff, int insize) {
u8 k[0x15];
KIRK_CMD13_BUFFER * pointmult = (KIRK_CMD13_BUFFER *) inbuff;
k[0]=0;
if(outsize != 0x28) return KIRK_INVALID_SIZE;
if(insize != 0x3C) return KIRK_INVALID_SIZE;
ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
ecdsa_set_pub((u8*)pointmult->public_key.x);
memcpy(k+1,pointmult->multiplier,0x14);
ec_pub_mult(k, outbuff);
return KIRK_OPERATION_SUCCESS;
}
int kirk_CMD14(u8 *outbuff, int outsize) {
u8 temp[0x104];
// This was added to mollify valgrind.
memset(temp, 0xAA, sizeof(temp));
KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *) temp;
// Some randomly selected data for a "key" to add to each randomization
static const u8 random_data[0x10] = { 0xA7, 0x2E, 0x4C, 0xB6, 0xC3, 0x34, 0xDF, 0x85, 0x70, 0x01, 0x49, 0xFC, 0xC0, 0x87, 0xC4, 0x77 };
u32 curtime;
//if(outsize != 0x14) return KIRK_INVALID_SIZE; // Need real error code
if(outsize <=0) return KIRK_OPERATION_SUCCESS;
memcpy(temp+4, PRNG_DATA,0x14);
// This uses the standard C time function for portability.
curtime = (u32)time(0);
temp[0x18] = curtime &0xFF;
temp[0x19] = (curtime>>8) &0xFF;
temp[0x1A] = (curtime>>16) &0xFF;
temp[0x1B] = (curtime>>24) &0xFF;
memcpy(&temp[0x1C], random_data, 0x10);
// WARNING: These next two lines of comments are no longer accurate since I added the memset above.
// This leaves the remainder of the 0x100 bytes in temp to whatever remains on the stack
// in an uninitialized state. This should add unpredicableness to the results as well
header->data_size=0x100;
kirk_CMD11(PRNG_DATA, temp, 0x104);
while(outsize)
{
int blockrem= outsize %0x14;
int block = outsize /0x14;
if(block)
{
memcpy(outbuff, PRNG_DATA, 0x14);
outbuff+=0x14;
outsize -= 0x14;
kirk_CMD14(outbuff, outsize);
} else {
if(blockrem)
{
memcpy(outbuff, PRNG_DATA, blockrem);
outsize -= blockrem;
}
}
}
return KIRK_OPERATION_SUCCESS;
}
void decrypt_kirk16_private(u8 *dA_out, u8 *dA_enc)
{
int i, k;
kirk16_data keydata;
u8 subkey_1[0x10], subkey_2[0x10];
rijndael_ctx aes_ctx;
keydata.fuseid[7] = g_fuse90 &0xFF;
keydata.fuseid[6] = (g_fuse90>>8) &0xFF;
keydata.fuseid[5] = (g_fuse90>>16) &0xFF;
keydata.fuseid[4] = (g_fuse90>>24) &0xFF;
keydata.fuseid[3] = g_fuse94 &0xFF;
keydata.fuseid[2] = (g_fuse94>>8) &0xFF;
keydata.fuseid[1] = (g_fuse94>>16) &0xFF;
keydata.fuseid[0] = (g_fuse94>>24) &0xFF;
/* set encryption key */
rijndael_set_key(&aes_ctx, kirk16_key, 128);
/* set the subkeys */
for (i = 0; i < 0x10; i++)
{
/* set to the fuseid */
subkey_2[i] = subkey_1[i] = keydata.fuseid[i % 8];
}
/* do aes crypto */
for (i = 0; i < 3; i++)
{
/* encrypt + decrypt */
rijndael_encrypt(&aes_ctx, subkey_1, subkey_1);
rijndael_decrypt(&aes_ctx, subkey_2, subkey_2);
}
/* set new key */
rijndael_set_key(&aes_ctx, subkey_1, 128);
/* now lets make the key mesh */
for (i = 0; i < 3; i++)
{
/* do encryption in group of 3 */
for (k = 0; k < 3; k++)
{
/* crypto */
rijndael_encrypt(&aes_ctx, subkey_2, subkey_2);
}
/* copy to out block */
memcpy(&keydata.mesh[i * 0x10], subkey_2, 0x10);
}
/* set the key to the mesh */
rijndael_set_key(&aes_ctx, &keydata.mesh[0x20], 128);
/* do the encryption routines for the aes key */
for (i = 0; i < 2; i++)
{
/* encrypt the data */
rijndael_encrypt(&aes_ctx, &keydata.mesh[0x10], &keydata.mesh[0x10]);
}
/* set the key to that mesh shit */
rijndael_set_key(&aes_ctx, &keydata.mesh[0x10], 128);
/* cbc decrypt the dA */
AES_cbc_decrypt((AES_ctx *)&aes_ctx, dA_enc, dA_out, 0x20);
}
void encrypt_kirk16_private(u8 *dA_out, u8 *dA_dec)
{
int i, k;
kirk16_data keydata;
u8 subkey_1[0x10], subkey_2[0x10];
rijndael_ctx aes_ctx;
keydata.fuseid[7] = g_fuse90 &0xFF;
keydata.fuseid[6] = (g_fuse90>>8) &0xFF;
keydata.fuseid[5] = (g_fuse90>>16) &0xFF;
keydata.fuseid[4] = (g_fuse90>>24) &0xFF;
keydata.fuseid[3] = g_fuse94 &0xFF;
keydata.fuseid[2] = (g_fuse94>>8) &0xFF;
keydata.fuseid[1] = (g_fuse94>>16) &0xFF;
keydata.fuseid[0] = (g_fuse94>>24) &0xFF;
/* set encryption key */
rijndael_set_key(&aes_ctx, kirk16_key, 128);
/* set the subkeys */
for (i = 0; i < 0x10; i++)
{
/* set to the fuseid */
subkey_2[i] = subkey_1[i] = keydata.fuseid[i % 8];
}
/* do aes crypto */
for (i = 0; i < 3; i++)
{
/* encrypt + decrypt */
rijndael_encrypt(&aes_ctx, subkey_1, subkey_1);
rijndael_decrypt(&aes_ctx, subkey_2, subkey_2);
}
/* set new key */
rijndael_set_key(&aes_ctx, subkey_1, 128);
/* now lets make the key mesh */
for (i = 0; i < 3; i++)
{
/* do encryption in group of 3 */
for (k = 0; k < 3; k++)
{
/* crypto */
rijndael_encrypt(&aes_ctx, subkey_2, subkey_2);
}
/* copy to out block */
memcpy(&keydata.mesh[i * 0x10], subkey_2, 0x10);
}
/* set the key to the mesh */
rijndael_set_key(&aes_ctx, &keydata.mesh[0x20], 128);
/* do the encryption routines for the aes key */
for (i = 0; i < 2; i++)
{
/* encrypt the data */
rijndael_encrypt(&aes_ctx, &keydata.mesh[0x10], &keydata.mesh[0x10]);
}
/* set the key to that mesh shit */
rijndael_set_key(&aes_ctx, &keydata.mesh[0x10], 128);
/* cbc encrypt the dA */
AES_cbc_encrypt((AES_ctx *)&aes_ctx, dA_dec, dA_out, 0x20);
}
int kirk_CMD16(u8 * outbuff, int outsize, u8 * inbuff, int insize) {
u8 dec_private[0x20];
KIRK_CMD16_BUFFER * signbuf = (KIRK_CMD16_BUFFER *) inbuff;
ECDSA_SIG * sig = (ECDSA_SIG *) outbuff;
if(insize != 0x34) return KIRK_INVALID_SIZE;
if(outsize != 0x28) return KIRK_INVALID_SIZE;
decrypt_kirk16_private(dec_private,signbuf->enc_private);
// Clear out the padding for safety
memset(&dec_private[0x14], 0, 0xC);
ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
ecdsa_set_priv(dec_private);
ecdsa_sign(signbuf->message_hash,sig->r, sig->s);
return KIRK_OPERATION_SUCCESS;
}
// ECDSA Verify
// inbuff structure:
// 00 = public key (0x28 length)
// 28 = message hash (0x14 length)
// 3C = signature R (0x14 length)
// 50 = signature S (0x14 length)
int kirk_CMD17(u8 * inbuff, int insize) {
KIRK_CMD17_BUFFER * sig = (KIRK_CMD17_BUFFER *) inbuff;
if(insize != 0x64) return KIRK_INVALID_SIZE;
ecdsa_set_curve(ec_p,ec_a,ec_b2,ec_N2,Gx2,Gy2);
ecdsa_set_pub(sig->public_key.x);
// ecdsa_verify(u8 *hash, u8 *R, u8 *S)
if(ecdsa_verify(sig->message_hash,sig->signature.r,sig->signature.s)) {
return KIRK_OPERATION_SUCCESS;
} else {
return KIRK_SIG_CHECK_INVALID;
}
}
int kirk_init()
{
return kirk_init2((u8*)"Lazy Dev should have initialized!",33,0xBABEF00D, 0xDEADBEEF );
}
int kirk_init2(u8 * rnd_seed, u32 seed_size, u32 fuseid_90, u32 fuseid_94) {
u8 temp[0x104];
memset(temp, 0xAA, sizeof(temp));
KIRK_SHA1_HEADER *header = (KIRK_SHA1_HEADER *) temp;
// Another randomly selected data for a "key" to add to each randomization
static const u8 key[0x10] = {0x07, 0xAB, 0xEF, 0xF8, 0x96, 0x8C, 0xF3, 0xD6, 0x14, 0xE0, 0xEB, 0xB2, 0x9D, 0x8B, 0x4E, 0x74};
u32 curtime;
//Set PRNG_DATA initially, otherwise use what ever uninitialized data is in the buffer
if(seed_size > 0) {
u8 * seedbuf;
KIRK_SHA1_HEADER *seedheader;
seedbuf=(u8*)malloc(seed_size+4);
memset(seedbuf, 0, seed_size+4);
seedheader = (KIRK_SHA1_HEADER *) seedbuf;
seedheader->data_size = seed_size;
kirk_CMD11(PRNG_DATA, seedbuf, seed_size+4);
free(seedbuf);
}
memcpy(temp+4, PRNG_DATA,0x14);
// This uses the standard C time function for portability.
curtime=(u32)time(0);
temp[0x18] = curtime &0xFF;
temp[0x19] = (curtime>>8) &0xFF;
temp[0x1A] = (curtime>>16) &0xFF;
temp[0x1B] = (curtime>>24) &0xFF;
memcpy(&temp[0x1C], key, 0x10);
//This leaves the remainder of the 0x100 bytes in temp to whatever remains on the stack
// in an uninitialized state. This should add unpredicableness to the results as well
header->data_size=0x100;
kirk_CMD11(PRNG_DATA, temp, 0x104);
//Set Fuse ID
g_fuse90=fuseid_90;
g_fuse94=fuseid_94;
//Set KIRK1 main key
AES_set_key(&aes_kirk1, kirk1_key, 128);
is_kirk_initialized = 1;
return 0;
}
u8* kirk_4_7_get_key(int key_type)
{
if((key_type < 0) || (key_type >=0x80)) return (u8*)KIRK_INVALID_SIZE;
return keyvault[key_type];
}
int kirk_CMD1_ex(u8* outbuff, u8* inbuff, int size, KIRK_CMD1_HEADER* header)
{
u8* buffer = (u8*)malloc(size);
int ret;
memcpy(buffer, header, sizeof(KIRK_CMD1_HEADER));
memcpy(buffer+sizeof(KIRK_CMD1_HEADER), inbuff, header->data_size);
ret = kirk_CMD1(outbuff, buffer, size);
free(buffer);
return ret;
}
int kirk_sceUtilsBufferCopyWithRange(u8* outbuff, int outsize, const u8* inbuff, int insize, int cmd)
{
// TODO: propagate const-correctness into all these functions.
switch(cmd)
{
case KIRK_CMD_DECRYPT_PRIVATE: return kirk_CMD1(outbuff, (u8 *)inbuff, insize); break;
case KIRK_CMD_ENCRYPT_IV_0: return kirk_CMD4(outbuff, (u8 *)inbuff, insize); break;
case KIRK_CMD_DECRYPT_IV_0: return kirk_CMD7(outbuff, (u8 *)inbuff, insize); break;
case KIRK_CMD_PRIV_SIGN_CHECK: return kirk_CMD10((u8 *)inbuff, insize); break;
case KIRK_CMD_SHA1_HASH: return kirk_CMD11(outbuff, (u8 *)inbuff, insize); break;
case KIRK_CMD_ECDSA_GEN_KEYS: return kirk_CMD12(outbuff, outsize); break;
case KIRK_CMD_ECDSA_MULTIPLY_POINT: return kirk_CMD13(outbuff, outsize, (u8 *)inbuff, insize); break;
case KIRK_CMD_PRNG: return kirk_CMD14(outbuff, outsize); break;
case KIRK_CMD_ECDSA_SIGN: return kirk_CMD16(outbuff, outsize, (u8 *)inbuff, insize); break;
case KIRK_CMD_ECDSA_VERIFY: return kirk_CMD17((u8 *)inbuff, insize); break;
}
return -1;
}
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