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//+-------------------------------------------------------------------------
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 2001 - 2001
//
// File: vercert.cpp
//
// Contents: Minimal Cryptographic functions to verify ASN.1 encoded
// X.509 certificates
//
//
// Functions: MinCryptVerifyCertificate
//
// History: 17-Jan-01 philh created
//--------------------------------------------------------------------------
#include "global.hxx"
#define MAX_CHAIN_DEPTH 10
//+=========================================================================
// Microsoft Roots
//-=========================================================================
// Name:: <CN=Microsoft Authenticode(tm) Root Authority, O=MSFT, C=US>
const BYTE rgbMicrosoftRoot0_Name[] = { 0x30, 0x50, 0x31, 0x0B, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0D, 0x30, 0x0B, 0x06, 0x03, 0x55, 0x04, 0x0A, 0x13, 0x04, 0x4D, 0x53, 0x46, 0x54, 0x31, 0x32, 0x30, 0x30, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x29, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x65, 0x6E, 0x74, 0x69, 0x63, 0x6F, 0x64, 0x65, 0x28, 0x74, 0x6D, 0x29, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6F, 0x72, 0x69, 0x74, 0x79};const BYTE rgbMicrosoftRoot0_PubKeyInfo[]= { 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xDF, 0x08, 0xBA, 0xE3, 0x3F, 0x6E, 0x64, 0x9B, 0xF5, 0x89, 0xAF, 0x28, 0x96, 0x4A, 0x07, 0x8F, 0x1B, 0x2E, 0x8B, 0x3E, 0x1D, 0xFC, 0xB8, 0x80, 0x69, 0xA3, 0xA1, 0xCE, 0xDB, 0xDF, 0xB0, 0x8E, 0x6C, 0x89, 0x76, 0x29, 0x4F, 0xCA, 0x60, 0x35, 0x39, 0xAD, 0x72, 0x32, 0xE0, 0x0B, 0xAE, 0x29, 0x3D, 0x4C, 0x16, 0xD9, 0x4B, 0x3C, 0x9D, 0xDA, 0xC5, 0xD3, 0xD1, 0x09, 0xC9, 0x2C, 0x6F, 0xA6, 0xC2, 0x60, 0x53, 0x45, 0xDD, 0x4B, 0xD1, 0x55, 0xCD, 0x03, 0x1C, 0xD2, 0x59, 0x56, 0x24, 0xF3, 0xE5, 0x78, 0xD8, 0x07, 0xCC, 0xD8, 0xB3, 0x1F, 0x90, 0x3F, 0xC0, 0x1A, 0x71, 0x50, 0x1D, 0x2D, 0xA7, 0x12, 0x08, 0x6D, 0x7C, 0xB0, 0x86, 0x6C, 0xC7, 0xBA, 0x85, 0x32, 0x07, 0xE1, 0x61, 0x6F, 0xAF, 0x03, 0xC5, 0x6D, 0xE5, 0xD6, 0xA1, 0x8F, 0x36, 0xF6, 0xC1, 0x0B, 0xD1, 0x3E, 0x69, 0x97, 0x48, 0x72, 0xC9, 0x7F, 0xA4, 0xC8, 0xC2, 0x4A, 0x4C, 0x7E, 0xA1, 0xD1, 0x94, 0xA6, 0xD7, 0xDC, 0xEB, 0x05, 0x46, 0x2E, 0xB8, 0x18, 0xB4, 0x57, 0x1D, 0x86, 0x49, 0xDB, 0x69, 0x4A, 0x2C, 0x21, 0xF5, 0x5E, 0x0F, 0x54, 0x2D, 0x5A, 0x43, 0xA9, 0x7A, 0x7E, 0x6A, 0x8E, 0x50, 0x4D, 0x25, 0x57, 0xA1, 0xBF, 0x1B, 0x15, 0x05, 0x43, 0x7B, 0x2C, 0x05, 0x8D, 0xBD, 0x3D, 0x03, 0x8C, 0x93, 0x22, 0x7D, 0x63, 0xEA, 0x0A, 0x57, 0x05, 0x06, 0x0A, 0xDB, 0x61, 0x98, 0x65, 0x2D, 0x47, 0x49, 0xA8, 0xE7, 0xE6, 0x56, 0x75, 0x5C, 0xB8, 0x64, 0x08, 0x63, 0xA9, 0x30, 0x40, 0x66, 0xB2, 0xF9, 0xB6, 0xE3, 0x34, 0xE8, 0x67, 0x30, 0xE1, 0x43, 0x0B, 0x87, 0xFF, 0xC9, 0xBE, 0x72, 0x10, 0x5E, 0x23, 0xF0, 0x9B, 0xA7, 0x48, 0x65, 0xBF, 0x09, 0x88, 0x7B, 0xCD, 0x72, 0xBC, 0x2E, 0x79, 0x9B, 0x7B, 0x02, 0x03, 0x01, 0x00, 0x01};
// Name:: <CN=Microsoft Root Authority, OU=Microsoft Corporation,
// OU=Copyright (c) 1997 Microsoft Corp.>
const BYTE rgbMicrosoftRoot1_Name[]= { 0x30, 0x70, 0x31, 0x2B, 0x30, 0x29, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x22, 0x43, 0x6F, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x39, 0x37, 0x20, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x2E, 0x31, 0x1E, 0x30, 0x1C, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x15, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x6F, 0x72, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x31, 0x21, 0x30, 0x1F, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x18, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6F, 0x72, 0x69, 0x74, 0x79};
const BYTE rgbMicrosoftRoot1_PubKeyInfo[]= { 0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xA9, 0x02, 0xBD, 0xC1, 0x70, 0xE6, 0x3B, 0xF2, 0x4E, 0x1B, 0x28, 0x9F, 0x97, 0x78, 0x5E, 0x30, 0xEA, 0xA2, 0xA9, 0x8D, 0x25, 0x5F, 0xF8, 0xFE, 0x95, 0x4C, 0xA3, 0xB7, 0xFE, 0x9D, 0xA2, 0x20, 0x3E, 0x7C, 0x51, 0xA2, 0x9B, 0xA2, 0x8F, 0x60, 0x32, 0x6B, 0xD1, 0x42, 0x64, 0x79, 0xEE, 0xAC, 0x76, 0xC9, 0x54, 0xDA, 0xF2, 0xEB, 0x9C, 0x86, 0x1C, 0x8F, 0x9F, 0x84, 0x66, 0xB3, 0xC5, 0x6B, 0x7A, 0x62, 0x23, 0xD6, 0x1D, 0x3C, 0xDE, 0x0F, 0x01, 0x92, 0xE8, 0x96, 0xC4, 0xBF, 0x2D, 0x66, 0x9A, 0x9A, 0x68, 0x26, 0x99, 0xD0, 0x3A, 0x2C, 0xBF, 0x0C, 0xB5, 0x58, 0x26, 0xC1, 0x46, 0xE7, 0x0A, 0x3E, 0x38, 0x96, 0x2C, 0xA9, 0x28, 0x39, 0xA8, 0xEC, 0x49, 0x83, 0x42, 0xE3, 0x84, 0x0F, 0xBB, 0x9A, 0x6C, 0x55, 0x61, 0xAC, 0x82, 0x7C, 0xA1, 0x60, 0x2D, 0x77, 0x4C, 0xE9, 0x99, 0xB4, 0x64, 0x3B, 0x9A, 0x50, 0x1C, 0x31, 0x08, 0x24, 0x14, 0x9F, 0xA9, 0xE7, 0x91, 0x2B, 0x18, 0xE6, 0x3D, 0x98, 0x63, 0x14, 0x60, 0x58, 0x05, 0x65, 0x9F, 0x1D, 0x37, 0x52, 0x87, 0xF7, 0xA7, 0xEF, 0x94, 0x02, 0xC6, 0x1B, 0xD3, 0xBF, 0x55, 0x45, 0xB3, 0x89, 0x80, 0xBF, 0x3A, 0xEC, 0x54, 0x94, 0x4E, 0xAE, 0xFD, 0xA7, 0x7A, 0x6D, 0x74, 0x4E, 0xAF, 0x18, 0xCC, 0x96, 0x09, 0x28, 0x21, 0x00, 0x57, 0x90, 0x60, 0x69, 0x37, 0xBB, 0x4B, 0x12, 0x07, 0x3C, 0x56, 0xFF, 0x5B, 0xFB, 0xA4, 0x66, 0x0A, 0x08, 0xA6, 0xD2, 0x81, 0x56, 0x57, 0xEF, 0xB6, 0x3B, 0x5E, 0x16, 0x81, 0x77, 0x04, 0xDA, 0xF6, 0xBE, 0xAE, 0x80, 0x95, 0xFE, 0xB0, 0xCD, 0x7F, 0xD6, 0xA7, 0x1A, 0x72, 0x5C, 0x3C, 0xCA, 0xBC, 0xF0, 0x08, 0xA3, 0x22, 0x30, 0xB3, 0x06, 0x85, 0xC9, 0xB3, 0x20, 0x77, 0x13, 0x85, 0xDF, 0x02, 0x03, 0x01, 0x00, 0x01};
// 4096 bit key generated in 2001
//
// Name:: <CN=Microsoft Root Certificate Authority, DC=microsoft, DC=com>
const BYTE rgbMicrosoftRoot2_Name[]= { 0x30, 0x5F, 0x31, 0x13, 0x30, 0x11, 0x06, 0x0A, 0x09, 0x92, 0x26, 0x89, 0x93, 0xF2, 0x2C, 0x64, 0x01, 0x19, 0x16, 0x03, 0x63, 0x6F, 0x6D, 0x31, 0x19, 0x30, 0x17, 0x06, 0x0A, 0x09, 0x92, 0x26, 0x89, 0x93, 0xF2, 0x2C, 0x64, 0x01, 0x19, 0x16, 0x09, 0x6D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x31, 0x2D, 0x30, 0x2B, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x24, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6F, 0x72, 0x69, 0x74, 0x79};const BYTE rgbMicrosoftRoot2_PubKeyInfo[]= { 0x30, 0x82, 0x02, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x02, 0x0F, 0x00, 0x30, 0x82, 0x02, 0x0A, 0x02, 0x82, 0x02, 0x01, 0x00, 0xF3, 0x5D, 0xFA, 0x80, 0x67, 0xD4, 0x5A, 0xA7, 0xA9, 0x0C, 0x2C, 0x90, 0x20, 0xD0, 0x35, 0x08, 0x3C, 0x75, 0x84, 0xCD, 0xB7, 0x07, 0x89, 0x9C, 0x89, 0xDA, 0xDE, 0xCE, 0xC3, 0x60, 0xFA, 0x91, 0x68, 0x5A, 0x9E, 0x94, 0x71, 0x29, 0x18, 0x76, 0x7C, 0xC2, 0xE0, 0xC8, 0x25, 0x76, 0x94, 0x0E, 0x58, 0xFA, 0x04, 0x34, 0x36, 0xE6, 0xDF, 0xAF, 0xF7, 0x80, 0xBA, 0xE9, 0x58, 0x0B, 0x2B, 0x93, 0xE5, 0x9D, 0x05, 0xE3, 0x77, 0x22, 0x91, 0xF7, 0x34, 0x64, 0x3C, 0x22, 0x91, 0x1D, 0x5E, 0xE1, 0x09, 0x90, 0xBC, 0x14, 0xFE, 0xFC, 0x75, 0x58, 0x19, 0xE1, 0x79, 0xB7, 0x07, 0x92, 0xA3, 0xAE, 0x88, 0x59, 0x08, 0xD8, 0x9F, 0x07, 0xCA, 0x03, 0x58, 0xFC, 0x68, 0x29, 0x6D, 0x32, 0xD7, 0xD2, 0xA8, 0xCB, 0x4B, 0xFC, 0xE1, 0x0B, 0x48, 0x32, 0x4F, 0xE6, 0xEB, 0xB8, 0xAD, 0x4F, 0xE4, 0x5C, 0x6F, 0x13, 0x94, 0x99, 0xDB, 0x95, 0xD5, 0x75, 0xDB, 0xA8, 0x1A, 0xB7, 0x94, 0x91, 0xB4, 0x77, 0x5B, 0xF5, 0x48, 0x0C, 0x8F, 0x6A, 0x79, 0x7D, 0x14, 0x70, 0x04, 0x7D, 0x6D, 0xAF, 0x90, 0xF5, 0xDA, 0x70, 0xD8, 0x47, 0xB7, 0xBF, 0x9B, 0x2F, 0x6C, 0xE7, 0x05, 0xB7, 0xE1, 0x11, 0x60, 0xAC, 0x79, 0x91, 0x14, 0x7C, 0xC5, 0xD6, 0xA6, 0xE4, 0xE1, 0x7E, 0xD5, 0xC3, 0x7E, 0xE5, 0x92, 0xD2, 0x3C, 0x00, 0xB5, 0x36, 0x82, 0xDE, 0x79, 0xE1, 0x6D, 0xF3, 0xB5, 0x6E, 0xF8, 0x9F, 0x33, 0xC9, 0xCB, 0x52, 0x7D, 0x73, 0x98, 0x36, 0xDB, 0x8B, 0xA1, 0x6B, 0xA2, 0x95, 0x97, 0x9B, 0xA3, 0xDE, 0xC2, 0x4D, 0x26, 0xFF, 0x06, 0x96, 0x67, 0x25, 0x06, 0xC8, 0xE7, 0xAC, 0xE4, 0xEE, 0x12, 0x33, 0x95, 0x31, 0x99, 0xC8, 0x35, 0x08, 0x4E, 0x34, 0xCA, 0x79, 0x53, 0xD5, 0xB5, 0xBE, 0x63, 0x32, 0x59, 0x40, 0x36, 0xC0, 0xA5, 0x4E, 0x04, 0x4D, 0x3D, 0xDB, 0x5B, 0x07, 0x33, 0xE4, 0x58, 0xBF, 0xEF, 0x3F, 0x53, 0x64, 0xD8, 0x42, 0x59, 0x35, 0x57, 0xFD, 0x0F, 0x45, 0x7C, 0x24, 0x04, 0x4D, 0x9E, 0xD6, 0x38, 0x74, 0x11, 0x97, 0x22, 0x90, 0xCE, 0x68, 0x44, 0x74, 0x92, 0x6F, 0xD5, 0x4B, 0x6F, 0xB0, 0x86, 0xE3, 0xC7, 0x36, 0x42, 0xA0, 0xD0, 0xFC, 0xC1, 0xC0, 0x5A, 0xF9, 0xA3, 0x61, 0xB9, 0x30, 0x47, 0x71, 0x96, 0x0A, 0x16, 0xB0, 0x91, 0xC0, 0x42, 0x95, 0xEF, 0x10, 0x7F, 0x28, 0x6A, 0xE3, 0x2A, 0x1F, 0xB1, 0xE4, 0xCD, 0x03, 0x3F, 0x77, 0x71, 0x04, 0xC7, 0x20, 0xFC, 0x49, 0x0F, 0x1D, 0x45, 0x88, 0xA4, 0xD7, 0xCB, 0x7E, 0x88, 0xAD, 0x8E, 0x2D, 0xEC, 0x45, 0xDB, 0xC4, 0x51, 0x04, 0xC9, 0x2A, 0xFC, 0xEC, 0x86, 0x9E, 0x9A, 0x11, 0x97, 0x5B, 0xDE, 0xCE, 0x53, 0x88, 0xE6, 0xE2, 0xB7, 0xFD, 0xAC, 0x95, 0xC2, 0x28, 0x40, 0xDB, 0xEF, 0x04, 0x90, 0xDF, 0x81, 0x33, 0x39, 0xD9, 0xB2, 0x45, 0xA5, 0x23, 0x87, 0x06, 0xA5, 0x55, 0x89, 0x31, 0xBB, 0x06, 0x2D, 0x60, 0x0E, 0x41, 0x18, 0x7D, 0x1F, 0x2E, 0xB5, 0x97, 0xCB, 0x11, 0xEB, 0x15, 0xD5, 0x24, 0xA5, 0x94, 0xEF, 0x15, 0x14, 0x89, 0xFD, 0x4B, 0x73, 0xFA, 0x32, 0x5B, 0xFC, 0xD1, 0x33, 0x00, 0xF9, 0x59, 0x62, 0x70, 0x07, 0x32, 0xEA, 0x2E, 0xAB, 0x40, 0x2D, 0x7B, 0xCA, 0xDD, 0x21, 0x67, 0x1B, 0x30, 0x99, 0x8F, 0x16, 0xAA, 0x23, 0xA8, 0x41, 0xD1, 0xB0, 0x6E, 0x11, 0x9B, 0x36, 0xC4, 0xDE, 0x40, 0x74, 0x9C, 0xE1, 0x58, 0x65, 0xC1, 0x60, 0x1E, 0x7A, 0x5B, 0x38, 0xC8, 0x8F, 0xBB, 0x04, 0x26, 0x7C, 0xD4, 0x16, 0x40, 0xE5, 0xB6, 0x6B, 0x6C, 0xAA, 0x86, 0xFD, 0x00, 0xBF, 0xCE, 0xC1, 0x35, 0x02, 0x03, 0x01, 0x00, 0x01};
//+=========================================================================
// Test Roots
//-=========================================================================
// Name:: <CN=Microsoft Test Root Authority, OU=Microsoft Corporation, OU=Copyright (c) 1999 Microsoft Corp.>
const BYTE rgbTestRoot0_Name[] = { 0x30, 0x75, 0x31, 0x2B, 0x30, 0x29, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x22, 0x43, 0x6F, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x39, 0x39, 0x20, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x2E, 0x31, 0x1E, 0x30, 0x1C, 0x06, 0x03, 0x55, 0x04, 0x0B, 0x13, 0x15, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x43, 0x6F, 0x72, 0x70, 0x6F, 0x72, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1D, 0x4D, 0x69, 0x63, 0x72, 0x6F, 0x73, 0x6F, 0x66, 0x74, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x52, 0x6F, 0x6F, 0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6F, 0x72, 0x69, 0x74, 0x79};
const BYTE rgbTestRoot0_PubKeyInfo[]= { 0x30, 0x81, 0xDF, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0xCD, 0x00, 0x30, 0x81, 0xC9, 0x02, 0x81, 0xC1, 0x00, 0xA9, 0xAA, 0x83, 0x58, 0x6D, 0xB5, 0xD3, 0x0C, 0x4B, 0x5B, 0x80, 0x90, 0xE5, 0xC3, 0x0F, 0x28, 0x0C, 0x7E, 0x3D, 0x3C, 0x24, 0xC5, 0x29, 0x56, 0x63, 0x8C, 0xEE, 0xC7, 0x83, 0x4A, 0xD8, 0x8C, 0x25, 0xD3, 0x0E, 0xD3, 0x12, 0xB7, 0xE1, 0x86, 0x72, 0x74, 0xA7, 0x8B, 0xFB, 0x0F, 0x05, 0xE9, 0x65, 0xC1, 0x9B, 0xD8, 0x56, 0xC2, 0x93, 0xF0, 0xFB, 0xE9, 0x5A, 0x48, 0x85, 0x7D, 0x95, 0xAA, 0xDF, 0x01, 0x86, 0xB7, 0x33, 0x33, 0x46, 0x56, 0xCB, 0x5B, 0x7A, 0xC4, 0xAF, 0xA0, 0x96, 0x53, 0x3A, 0xE9, 0xFB, 0x3B, 0x78, 0xC1, 0x43, 0x0C, 0xC7, 0x6E, 0x1C, 0x2F, 0xD1, 0x55, 0xF1, 0x19, 0xB2, 0x3F, 0xF8, 0xD6, 0xA0, 0xC7, 0x24, 0x95, 0x3B, 0xC8, 0x45, 0x25, 0x6F, 0x45, 0x3A, 0x46, 0x4F, 0xD2, 0x27, 0x8B, 0xC7, 0x50, 0x75, 0xC6, 0x80, 0x5E, 0x0D, 0x99, 0x78, 0x61, 0x77, 0x39, 0xC1, 0xB3, 0x0F, 0x9D, 0x12, 0x9C, 0xC4, 0xBB, 0x32, 0x7B, 0xB2, 0x4B, 0x26, 0xAA, 0x4E, 0xC0, 0x32, 0xB0, 0x2A, 0x13, 0x21, 0xBE, 0xED, 0x24, 0xF4, 0x7D, 0x0D, 0xEA, 0xAA, 0x8A, 0x7A, 0xD2, 0x8B, 0x4D, 0x97, 0xB5, 0x4D, 0x64, 0xBA, 0xFB, 0x46, 0xDD, 0x69, 0x6F, 0x9A, 0x0E, 0xCC, 0x53, 0x77, 0xAA, 0x6E, 0xAE, 0x20, 0xD6, 0x21, 0x98, 0x69, 0xD9, 0x46, 0xB9, 0x64, 0x32, 0xD4, 0x17, 0x02, 0x03, 0x01, 0x00, 0x01};
typedef struct _ROOT_INFO { CRYPT_DER_BLOB EncodedName; CRYPT_DER_BLOB EncodedPubKeyInfo; BOOL fTestRoot;} ROOT_INFO, *PROOT_INFO;
const ROOT_INFO RootTable[] = { sizeof(rgbMicrosoftRoot0_Name), (BYTE *) rgbMicrosoftRoot0_Name, sizeof(rgbMicrosoftRoot0_PubKeyInfo), (BYTE *) rgbMicrosoftRoot0_PubKeyInfo, FALSE,
sizeof(rgbMicrosoftRoot1_Name), (BYTE *) rgbMicrosoftRoot1_Name, sizeof(rgbMicrosoftRoot1_PubKeyInfo), (BYTE *) rgbMicrosoftRoot1_PubKeyInfo, FALSE,
sizeof(rgbMicrosoftRoot2_Name), (BYTE *) rgbMicrosoftRoot2_Name, sizeof(rgbMicrosoftRoot2_PubKeyInfo), (BYTE *) rgbMicrosoftRoot2_PubKeyInfo, FALSE,
sizeof(rgbTestRoot0_Name), (BYTE *) rgbTestRoot0_Name, sizeof(rgbTestRoot0_PubKeyInfo), (BYTE *) rgbTestRoot0_PubKeyInfo, TRUE};#define ROOT_CNT (sizeof(RootTable) / sizeof(RootTable[0]))
#define wszSETUP_REG \
L"System\\Setup"#define wszSYSTEM_SETUP_REG_VALUE \
L"SystemSetupInProgress"#define wszTEST_ROOT_REG \
L"SOFTWARE\\Microsoft\\SystemCertificates\\Root\\Certificates\\2BD63D28D7BCD0E251195AEB519243C13142EBC3"
// Check the CERT_STORE_PROV_SYSTEM_REGISTRY store for the Test Root.
//
// If the Test Root is found, return ERROR_SUCCESS.
// If the Test Root is not found but we're in NT GUI-mode setup,
// return ERROR_SUCCESS.
// If the Test Root is not found and we're not in setup,
// return CERT_E_UNTRUSTEDROOT.
// For any other error, return the provided error code.
DWORDWINAPII_CheckIsTestRootAllowed(void){ DWORD dwReturn; HKEY hTestRootKey = 0; HKEY hSetupKey = 0; DWORD cb = 0; BOOL fSystemSetupInProgress = FALSE;
dwReturn = RegOpenKeyExW( HKEY_LOCAL_MACHINE, wszTEST_ROOT_REG, 0, KEY_READ, &hTestRootKey);
if (ERROR_SUCCESS != dwReturn) { //
// We've determined that the Test
// Root isn't installed. Check if we're in NT GUI-mode
// setup right now.
//
// If we're in setup, we need to allow the Test Root
// (but *only* for an otherwise valid signature)
// since we may have been called before
// setup has had a chance to install the Test Root.
//
dwReturn = RegOpenKeyExW( HKEY_LOCAL_MACHINE, wszSETUP_REG, 0, KEY_READ, &hSetupKey); if (ERROR_SUCCESS != dwReturn) goto Ret; cb = sizeof(fSystemSetupInProgress); dwReturn = RegQueryValueExW( hSetupKey, wszSYSTEM_SETUP_REG_VALUE, NULL, NULL, (PBYTE) &fSystemSetupInProgress, &cb); if (ERROR_SUCCESS != dwReturn) goto Ret; if (FALSE == fSystemSetupInProgress) dwReturn = CERT_E_UNTRUSTEDROOT; } Ret: if (hTestRootKey) RegCloseKey(hTestRootKey); if (hSetupKey) RegCloseKey(hSetupKey);
return dwReturn;}
// If found, returns ERROR_SUCCESS and sets *ppRootBlob to the PubKeyInfo blob.
// Otherwise, returns appropriate error code and set *ppRootBlob to NULL.
DWORDWINAPII_MinCryptFindRootByName( IN PCRYPT_DER_BLOB pIssuerNameValueBlob, OUT PCRYPT_DER_BLOB *ppRootBlob ){ DWORD i; DWORD dwStatus; BOOL fInGuiModeSetup = FALSE;
*ppRootBlob = NULL; for (i = 0; i < ROOT_CNT; i++) { if (pIssuerNameValueBlob->cbData == RootTable[i].EncodedName.cbData && 0 == memcmp(pIssuerNameValueBlob->pbData, RootTable[i].EncodedName.pbData, pIssuerNameValueBlob->cbData)) { if (RootTable[i].fTestRoot) { dwStatus = I_CheckIsTestRootAllowed();
if (ERROR_SUCCESS != dwStatus) return dwStatus; } *ppRootBlob = (PCRYPT_DER_BLOB) &RootTable[i].EncodedPubKeyInfo; return ERROR_SUCCESS; } }
return CERT_E_UNTRUSTEDROOT;}
// If found, returns ERROR_SUCCESS and sets *ppRootBlob to the PubKeyInfo blob.
// Otherwise, returns appropriate error code and set *ppRootBlob to NULL.
DWORDWINAPII_MinCryptFindRootByKey( IN PCRYPT_DER_BLOB pSubjectPubKeyInfoBlob, OUT PCRYPT_DER_BLOB *ppRootBlob ){ DWORD i; DWORD dwStatus;
*ppRootBlob = NULL; for (i = 0; i < ROOT_CNT; i++) { if (pSubjectPubKeyInfoBlob->cbData == RootTable[i].EncodedPubKeyInfo.cbData && 0 == memcmp(pSubjectPubKeyInfoBlob->pbData, RootTable[i].EncodedPubKeyInfo.pbData, pSubjectPubKeyInfoBlob->cbData)) { if (RootTable[i].fTestRoot) { dwStatus = I_CheckIsTestRootAllowed();
if (ERROR_SUCCESS != dwStatus) return dwStatus; } *ppRootBlob = (PCRYPT_DER_BLOB) &RootTable[i].EncodedPubKeyInfo; return ERROR_SUCCESS; } }
return CERT_E_UNTRUSTEDROOT;}
// If found, returns pointer to rgCertBlob[MINASN1_CERT_BLOB_CNT].
// Otherwise, returns NULL.
PCRYPT_DER_BLOBWINAPII_MinCryptFindIssuerCertificateByName( IN PCRYPT_DER_BLOB pIssuerNameValueBlob, IN DWORD cCert, IN CRYPT_DER_BLOB rgrgCertBlob[][MINASN1_CERT_BLOB_CNT] ){ DWORD i; DWORD cbName = pIssuerNameValueBlob->cbData; const BYTE *pbName = pIssuerNameValueBlob->pbData;
if (0 == cbName) return NULL; for (i = 0; i < cCert; i++) { if (cbName == rgrgCertBlob[i][MINASN1_CERT_SUBJECT_IDX].cbData && 0 == memcmp(pbName, rgrgCertBlob[i][MINASN1_CERT_SUBJECT_IDX].pbData, cbName)) return rgrgCertBlob[i]; }
return NULL;}
//+-------------------------------------------------------------------------
// Verifies a previously parsed X.509 Certificate.
//
// Assumes the ASN.1 encoded X.509 certificate was parsed via
// MinAsn1ParseCertificate() and the set of potential issuer certificates
// were parsed via one or more of:
// - MinAsn1ParseCertificate()
// - MinAsn1ParseSignedDataCertificates()
// - MinAsn1ExtractParsedCertificatesFromSignedData()
//
// Iteratively finds the issuer certificate via its encoded name. The
// public key in the issuer certificate is used to verify the subject
// certificate's signature. This is repeated until finding a self signed
// certificate or a baked in root identified by its encoded name.
// For a self signed certificate, compares against the baked in root
// public keys.
//
// If the certificate and its issuers were successfully verified to a
// baked in root, ERROR_SUCCESS is returned. Otherwise, a nonzero error
// code is returned.
//--------------------------------------------------------------------------
LONGWINAPIMinCryptVerifyCertificate( IN CRYPT_DER_BLOB rgSubjectCertBlob[MINASN1_CERT_BLOB_CNT], IN DWORD cIssuerCert, IN CRYPT_DER_BLOB rgrgIssuerCertBlob[][MINASN1_CERT_BLOB_CNT] ){ LONG lErr; DWORD dwChainDepth = 0; PCRYPT_DER_BLOB rgSubject; BOOL fRoot = FALSE;
rgSubject = rgSubjectCertBlob; while (!fRoot) { ALG_ID HashAlgId; BYTE rgbHash[MINCRYPT_MAX_HASH_LEN]; DWORD cbHash;
PCRYPT_DER_BLOB rgIssuer = NULL; PCRYPT_DER_BLOB pIssuerPubKeyInfo = NULL;
// Hash the Subject's ToBeSigned bytes
HashAlgId = MinCryptDecodeHashAlgorithmIdentifier( &rgSubject[MINASN1_CERT_SIGN_ALGID_IDX]); if (0 == HashAlgId) goto UnknownHashAlgId; lErr = MinCryptHashMemory( HashAlgId, 1, // cBlob,
&rgSubject[MINASN1_CERT_TO_BE_SIGNED_IDX], rgbHash, &cbHash ); if (ERROR_SUCCESS != lErr) goto ErrorReturn;
// Get the public key to decrypt the signature
// Check if SelfSigned
if (rgSubject[MINASN1_CERT_ISSUER_IDX].cbData == rgSubject[MINASN1_CERT_SUBJECT_IDX].cbData && 0 == memcmp(rgSubject[MINASN1_CERT_ISSUER_IDX].pbData, rgSubject[MINASN1_CERT_SUBJECT_IDX].pbData, rgSubject[MINASN1_CERT_ISSUER_IDX].cbData)) { lErr = I_MinCryptFindRootByKey( &rgSubject[MINASN1_CERT_PUBKEY_INFO_IDX], &pIssuerPubKeyInfo); if (NULL == pIssuerPubKeyInfo) goto ErrorReturn; fRoot = TRUE; } else { // Check if the issuer is a root
lErr = I_MinCryptFindRootByName( &rgSubject[MINASN1_CERT_ISSUER_IDX], &pIssuerPubKeyInfo); if (pIssuerPubKeyInfo) fRoot = TRUE; else { // If some other error code is set, then some
// sort of unexpected system error occurred
// and we should bail.
if (CERT_E_UNTRUSTEDROOT != lErr) goto ErrorReturn; // Try to find the issuer from the input set of
// certificates
rgIssuer = I_MinCryptFindIssuerCertificateByName( &rgSubject[MINASN1_CERT_ISSUER_IDX], cIssuerCert, rgrgIssuerCertBlob ); if (NULL == rgIssuer) goto PartialChain;
pIssuerPubKeyInfo = &rgIssuer[MINASN1_CERT_PUBKEY_INFO_IDX]; } }
// Use the issuer or root's public key to decrypt and verify
// the signature.
lErr = MinCryptVerifySignedHash( HashAlgId, rgbHash, cbHash, &rgSubject[MINASN1_CERT_SIGNATURE_IDX], pIssuerPubKeyInfo ); if (ERROR_SUCCESS != lErr) goto ErrorReturn;
if (!fRoot) { assert(rgIssuer); dwChainDepth++; if (MAX_CHAIN_DEPTH < dwChainDepth) goto CyclicChain; rgSubject = rgIssuer; } }
lErr = ERROR_SUCCESS;
ErrorReturn:CommonReturn: return lErr;
UnknownHashAlgId: lErr = CRYPT_E_UNKNOWN_ALGO; goto CommonReturn;CyclicChain:PartialChain: lErr = CERT_E_CHAINING; goto CommonReturn;}
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