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Build and link mhycrypto statically

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This commit is contained in:
ayy lmao
2022-07-06 16:26:35 +03:00
committed by lilmayofuksu
parent e0272aa38a
commit 850b282b70
11 changed files with 791 additions and 25 deletions
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1
src-tauri/Cargo.toml
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@@ -13,6 +13,7 @@ rust-version = "1.57"
[build-dependencies]
tauri-build = { version = "1.0.0-rc.8", features = [] }
cc = "1.0"
[target.'cfg(windows)'.dependencies]
is_elevated = "0.1.2"

11
src-tauri/build.rs
View File

@@ -1,3 +1,14 @@
fn main() {
cc::Build::new()
.include("mhycrypto")
.cpp(true)
.file("mhycrypto/aes.c")
.file("mhycrypto/memecrypto.cpp")
.file("mhycrypto/metadata.cpp")
.file("mhycrypto/metadatastringdec.cpp")
.compile("mhycrypto");
tauri_build::build()
}

385
src-tauri/mhycrypto/aes.c Normal file
View File

@@ -0,0 +1,385 @@
// Simple, thoroughly commented implementation of 128-bit AES / Rijndael using C
// Chris Hulbert - chris.hulbert@gmail.com - http://splinter.com.au/blog
// References:
// http://en.wikipedia.org/wiki/Advanced_Encryption_Standard
// http://en.wikipedia.org/wiki/Rijndael_key_schedule
// http://en.wikipedia.org/wiki/Rijndael_mix_columns
// http://en.wikipedia.org/wiki/Rijndael_S-box
// This code is public domain, or any OSI-approved license, your choice. No warranty.
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "aes.h"
typedef unsigned char byte;
// Here are all the lookup tables for the row shifts, rcon, s-boxes, and galois field multiplications
static const byte shift_rows_table[] = {0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11};
static const byte shift_rows_table_inv[] = {0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3};
static const byte lookup_rcon[] = {
0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a};
static const byte lookup_sbox[] = {
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};
static const byte lookup_sbox_inv[] = {
0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d};
static const byte lookup_g2[] = {
0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e,
0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7a, 0x7c, 0x7e,
0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e, 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e,
0xa0, 0xa2, 0xa4, 0xa6, 0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6, 0xd8, 0xda, 0xdc, 0xde,
0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee, 0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe,
0x1b, 0x19, 0x1f, 0x1d, 0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d, 0x23, 0x21, 0x27, 0x25,
0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55, 0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45,
0x7b, 0x79, 0x7f, 0x7d, 0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d, 0x83, 0x81, 0x87, 0x85,
0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5, 0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5,
0xdb, 0xd9, 0xdf, 0xdd, 0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5};
static const byte lookup_g3[] = {
0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11,
0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21,
0x60, 0x63, 0x66, 0x65, 0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d, 0x44, 0x47, 0x42, 0x41,
0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9, 0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1,
0xf0, 0xf3, 0xf6, 0xf5, 0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd, 0xb4, 0xb7, 0xb2, 0xb1,
0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99, 0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81,
0x9b, 0x98, 0x9d, 0x9e, 0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6, 0xbf, 0xbc, 0xb9, 0xba,
0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2, 0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea,
0xcb, 0xc8, 0xcd, 0xce, 0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46, 0x4f, 0x4c, 0x49, 0x4a,
0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62, 0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a,
0x3b, 0x38, 0x3d, 0x3e, 0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a};
static const byte lookup_g9[] = {
0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77,
0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7,
0x3b, 0x32, 0x29, 0x20, 0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c,
0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8, 0xc7, 0xce, 0xd5, 0xdc,
0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49, 0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01,
0xe6, 0xef, 0xf4, 0xfd, 0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91,
0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e, 0x21, 0x28, 0x33, 0x3a,
0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2, 0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa,
0xec, 0xe5, 0xfe, 0xf7, 0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b,
0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f, 0x10, 0x19, 0x02, 0x0b,
0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8, 0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0,
0x47, 0x4e, 0x55, 0x5c, 0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30,
0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9, 0xf6, 0xff, 0xe4, 0xed,
0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35, 0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d,
0xa1, 0xa8, 0xb3, 0xba, 0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46};
static const byte lookup_g11[] = {
0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69,
0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9,
0x7b, 0x70, 0x6d, 0x66, 0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e, 0xbf, 0xb4, 0xa9, 0xa2,
0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7, 0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f,
0x46, 0x4d, 0x50, 0x5b, 0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8, 0xf9, 0xf2, 0xef, 0xe4,
0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c, 0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54,
0xf7, 0xfc, 0xe1, 0xea, 0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02, 0x33, 0x38, 0x25, 0x2e,
0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd, 0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5,
0x3c, 0x37, 0x2a, 0x21, 0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44, 0x75, 0x7e, 0x63, 0x68,
0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80, 0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8,
0x7a, 0x71, 0x6c, 0x67, 0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3};
static const byte lookup_g13[] = {
0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b,
0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b,
0xbb, 0xb6, 0xa1, 0xac, 0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14, 0x37, 0x3a, 0x2d, 0x20,
0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e, 0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26,
0xbd, 0xb0, 0xa7, 0xaa, 0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9, 0x8a, 0x87, 0x90, 0x9d,
0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25, 0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d,
0xda, 0xd7, 0xc0, 0xcd, 0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75, 0x56, 0x5b, 0x4c, 0x41,
0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42, 0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a,
0xb1, 0xbc, 0xab, 0xa6, 0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8, 0xeb, 0xe6, 0xf1, 0xfc,
0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44, 0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c,
0x0c, 0x01, 0x16, 0x1b, 0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97};
static const byte lookup_g14[] = {
0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a,
0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba,
0xdb, 0xd5, 0xc7, 0xc9, 0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59, 0x73, 0x7d, 0x6f, 0x61,
0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87, 0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7,
0x4d, 0x43, 0x51, 0x5f, 0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14, 0x3e, 0x30, 0x22, 0x2c,
0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc, 0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc,
0x41, 0x4f, 0x5d, 0x53, 0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3, 0xe9, 0xe7, 0xf5, 0xfb,
0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0, 0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0,
0x7a, 0x74, 0x66, 0x68, 0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e, 0xa4, 0xaa, 0xb8, 0xb6,
0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26, 0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56,
0x37, 0x39, 0x2b, 0x25, 0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d};
// Xor's all elements in a n byte array a by b
static void xor (byte * a, const byte *b, int n) {
int i;
for (i = 0; i < n; i++) {
a[i] ^= b[i];
}
}
// Xor the current cipher state by a specific round key
static void xor_round_key(byte *state, const byte *keys, int round) {
xor(state, keys + round * 16, 16);
}
// Apply the rijndael s-box to all elements in an array
// http://en.wikipedia.org/wiki/Rijndael_S-box
static void sub_bytes(byte *a, int n) {
int i;
for (i = 0; i < n; i++) {
a[i] = lookup_sbox[a[i]];
}
}
static void sub_bytes_inv(byte *a, int n) {
int i;
for (i = 0; i < n; i++) {
a[i] = lookup_sbox_inv[a[i]];
}
}
// Perform the core key schedule transform on 4 bytes, as part of the key expansion process
// http://en.wikipedia.org/wiki/Rijndael_key_schedule#Key_schedule_core
static void key_schedule_core(byte *a, int i) {
byte temp = a[0]; // Rotate the output eight bits to the left
a[0] = a[1];
a[1] = a[2];
a[2] = a[3];
a[3] = temp;
sub_bytes(a, 4); // Apply Rijndael's S-box on all four individual bytes in the output word
a[0] ^= lookup_rcon[i]; // On just the first (leftmost) byte of the output word, perform the rcon operation with i
// as the input, and exclusive or the rcon output with the first byte of the output word
}
// Expand the 16-byte key to 11 round keys (176 bytes)
// http://en.wikipedia.org/wiki/Rijndael_key_schedule#The_key_schedule
void oqs_aes128_load_schedule_c(const uint8_t *key, void **_schedule) {
*_schedule = malloc(16 * 11);
assert(*_schedule != NULL);
uint8_t *schedule = (uint8_t *) *_schedule;
int bytes = 16; // The count of how many bytes we've created so far
int i = 1; // The rcon iteration value i is set to 1
int j; // For repeating the second stage 3 times
byte t[4]; // Temporary working area known as 't' in the Wiki article
memcpy(schedule, key, 16); // The first 16 bytes of the expanded key are simply the encryption key
while (bytes < 176) { // Until we have 176 bytes of expanded key, we do the following:
memcpy(t, schedule + bytes - 4, 4); // We assign the value of the previous four bytes in the expanded key to t
key_schedule_core(t, i); // We perform the key schedule core on t, with i as the rcon iteration value
i++; // We increment i by 1
xor(t, schedule + bytes - 16, 4); // We exclusive-or t with the four-byte block 16 bytes before the new expanded key.
memcpy(schedule + bytes, t, 4); // This becomes the next 4 bytes in the expanded key
bytes += 4; // Keep track of how many expanded key bytes we've added
// We then do the following three times to create the next twelve bytes
for (j = 0; j < 3; j++) {
memcpy(t, schedule + bytes - 4, 4); // We assign the value of the previous 4 bytes in the expanded key to t
xor(t, schedule + bytes - 16, 4); // We exclusive-or t with the four-byte block n bytes before
memcpy(schedule + bytes, t, 4); // This becomes the next 4 bytes in the expanded key
bytes += 4; // Keep track of how many expanded key bytes we've added
}
}
}
void oqs_aes128_free_schedule_c(void *schedule) {
if (schedule != NULL) {
free(schedule);
}
}
// Apply the shift rows step on the 16 byte cipher state
// http://en.wikipedia.org/wiki/Advanced_Encryption_Standard#The_ShiftRows_step
static void shift_rows(byte *state) {
int i;
byte temp[16];
memcpy(temp, state, 16);
for (i = 0; i < 16; i++) {
state[i] = temp[shift_rows_table[i]];
}
}
static void shift_rows_inv(byte *state) {
int i;
byte temp[16];
memcpy(temp, state, 16);
for (i = 0; i < 16; i++) {
state[i] = temp[shift_rows_table_inv[i]];
}
}
// Perform the mix columns matrix on one column of 4 bytes
// http://en.wikipedia.org/wiki/Rijndael_mix_columns
static void mix_col(byte *state) {
byte a0 = state[0];
byte a1 = state[1];
byte a2 = state[2];
byte a3 = state[3];
state[0] = lookup_g2[a0] ^ lookup_g3[a1] ^ a2 ^ a3;
state[1] = lookup_g2[a1] ^ lookup_g3[a2] ^ a3 ^ a0;
state[2] = lookup_g2[a2] ^ lookup_g3[a3] ^ a0 ^ a1;
state[3] = lookup_g2[a3] ^ lookup_g3[a0] ^ a1 ^ a2;
}
// Perform the mix columns matrix on each column of the 16 bytes
static void mix_cols(byte *state) {
mix_col(state);
mix_col(state + 4);
mix_col(state + 8);
mix_col(state + 12);
}
// Perform the inverse mix columns matrix on one column of 4 bytes
// http://en.wikipedia.org/wiki/Rijndael_mix_columns
static void mix_col_inv(byte *state) {
byte a0 = state[0];
byte a1 = state[1];
byte a2 = state[2];
byte a3 = state[3];
state[0] = lookup_g14[a0] ^ lookup_g9[a3] ^ lookup_g13[a2] ^ lookup_g11[a1];
state[1] = lookup_g14[a1] ^ lookup_g9[a0] ^ lookup_g13[a3] ^ lookup_g11[a2];
state[2] = lookup_g14[a2] ^ lookup_g9[a1] ^ lookup_g13[a0] ^ lookup_g11[a3];
state[3] = lookup_g14[a3] ^ lookup_g9[a2] ^ lookup_g13[a1] ^ lookup_g11[a0];
}
// Perform the inverse mix columns matrix on each column of the 16 bytes
static void mix_cols_inv(byte *state) {
mix_col_inv(state);
mix_col_inv(state + 4);
mix_col_inv(state + 8);
mix_col_inv(state + 12);
}
void oqs_aes128_enc_c(const uint8_t *plaintext, const void *_schedule, uint8_t *ciphertext) {
const uint8_t *schedule = (const uint8_t *) _schedule;
int i; // To count the rounds
// First Round
memcpy(ciphertext, plaintext, 16);
xor_round_key(ciphertext, schedule, 0);
// Middle rounds
for (i = 0; i < 9; i++) {
sub_bytes(ciphertext, 16);
shift_rows(ciphertext);
mix_cols(ciphertext);
xor_round_key(ciphertext, schedule, i + 1);
}
// Final Round
sub_bytes(ciphertext, 16);
shift_rows(ciphertext);
xor_round_key(ciphertext, schedule, 10);
}
// It's not enc nor dec, it's something in between
void oqs_mhy128_enc_c(const uint8_t *plaintext, const void *_schedule, uint8_t *ciphertext) {
const uint8_t *schedule = (const uint8_t *) _schedule;
int i; // To count the rounds
// First Round
memcpy(ciphertext, plaintext, 16);
xor_round_key(ciphertext, schedule, 0);
// Middle rounds
for (i = 0; i < 9; i++) {
sub_bytes_inv(ciphertext, 16);
shift_rows_inv(ciphertext);
mix_cols_inv(ciphertext);
xor_round_key(ciphertext, schedule, i + 1);
}
// Final Round
sub_bytes_inv(ciphertext, 16);
shift_rows_inv(ciphertext);
xor_round_key(ciphertext, schedule, 10);
}
void oqs_aes128_dec_c(const uint8_t *ciphertext, const void *_schedule, uint8_t *plaintext) {
const uint8_t *schedule = (const uint8_t *) _schedule;
int i; // To count the rounds
// Reverse the final Round
memcpy(plaintext, ciphertext, 16);
xor_round_key(plaintext, schedule, 10);
shift_rows_inv(plaintext);
sub_bytes_inv(plaintext, 16);
// Reverse the middle rounds
for (i = 0; i < 9; i++) {
xor_round_key(plaintext, schedule, 9 - i);
mix_cols_inv(plaintext);
shift_rows_inv(plaintext);
sub_bytes_inv(plaintext, 16);
}
// Reverse the first Round
xor_round_key(plaintext, schedule, 0);
}
void oqs_mhy128_dec_c(const uint8_t *ciphertext, const void *_schedule, uint8_t *plaintext) {
const uint8_t *schedule = (const uint8_t *) _schedule;
int i; // To count the rounds
// Reverse the final Round
memcpy(plaintext, ciphertext, 16);
xor_round_key(plaintext, schedule, 10);
shift_rows(plaintext);
sub_bytes(plaintext, 16);
// Reverse the middle rounds
for (i = 0; i < 9; i++) {
xor_round_key(plaintext, schedule, 9 - i);
mix_cols(plaintext);
shift_rows(plaintext);
sub_bytes(plaintext, 16);
}
// Reverse the first Round
xor_round_key(plaintext, schedule, 0);
}

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/**
* \file aes.h
* \brief Header defining the API for OQS AES
*/
#ifndef __OQS_AES_H
#define __OQS_AES_H
#include <stdint.h>
#include <stdlib.h>
/**
* Function to fill a key schedule given an initial key.
*
* @param key Initial Key.
* @param schedule Abstract data structure for a key schedule.
* @param forEncryption 1 if key schedule is for encryption, 0 if for decryption.
*/
void OQS_AES128_load_schedule(const uint8_t *key, void **schedule, int for_encryption);
/**
* Function to free a key schedule.
*
* @param schedule Schedule generated with OQS_AES128_load_schedule().
*/
void OQS_AES128_free_schedule(void *schedule);
/**
* Function to encrypt blocks of plaintext using ECB mode.
* A schedule based on the key is generated and used internally.
*
* @param plaintext Plaintext to be encrypted.
* @param plaintext_len Length on the plaintext in bytes. Must be a multiple of 16.
* @param key Key to be used for encryption.
* @param ciphertext Pointer to a block of memory which >= in size to the plaintext block. The result will be written here.
*/
void OQS_AES128_ECB_enc(const uint8_t *plaintext, const size_t plaintext_len, const uint8_t *key, uint8_t *ciphertext);
/**
* Function to decrypt blocks of plaintext using ECB mode.
* A schedule based on the key is generated and used internally.
*
* @param ciphertext Ciphertext to be decrypted.
* @param ciphertext_len Length on the ciphertext in bytes. Must be a multiple of 16.
* @param key Key to be used for encryption.
* @param ciphertext Pointer to a block of memory which >= in size to the ciphertext block. The result will be written here.
*/
void OQS_AES128_ECB_dec(const uint8_t *ciphertext, const size_t ciphertext_len, const uint8_t *key, uint8_t *plaintext);
/**
* Same as OQS_AES128_ECB_enc() except a schedule generated by
* OQS_AES128_load_schedule() is passed rather then a key. This is faster
* if the same schedule is used for multiple encryptions since it does
* not have to be regenerated from the key.
*/
void OQS_AES128_ECB_enc_sch(const uint8_t *plaintext, const size_t plaintext_len, const void *schedule, uint8_t *ciphertext);
/**
* Same as OQS_AES128_ECB_dec() except a schedule generated by
* OQS_AES128_load_schedule() is passed rather then a key. This is faster
* if the same schedule is used for multiple encryptions since it does
* not have to be regenerated from the key.
*/
void OQS_AES128_ECB_dec_sch(const uint8_t *ciphertext, const size_t ciphertext_len, const void *schedule, uint8_t *plaintext);
#endif

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#include "memecrypto.h"
#include <cstring>
#include <stdio.h>
#include "aes.h"
static uint8_t dexor16(const uint8_t *c) {
uint8_t ret = 0;
for (int i = 0; i < 16; i++)
ret ^= c[i];
return ret;
}
void memecrypto_prepare_key(const uint8_t *in, uint8_t *out) {
for (int i = 0; i < 0xB0; i++)
out[i] = dexor16(&in[0x10 * i]);
}
extern "C" void oqs_mhy128_enc_c(const uint8_t *plaintext, const void *_schedule, uint8_t *ciphertext);
extern "C" void oqs_mhy128_dec_c(const uint8_t *ciphertext, const void *_schedule, uint8_t *plaintext);
void memecrypto_decrypt(const uint8_t *key, uint8_t *data) {
uint8_t plaintext[16];
oqs_mhy128_enc_c(data, key, plaintext);
memcpy(data, plaintext, 16);
}
void memecrypto_encrypt(const uint8_t *key, uint8_t *data) {
uint8_t ciphertext[16];
oqs_mhy128_dec_c(data, key, ciphertext);
memcpy(data, ciphertext, 16);
}

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#ifndef MEMECRYPTO_H
#define MEMECRYPTO_H
#include <cstdint>
void memecrypto_prepare_key(const uint8_t *in, uint8_t *out);
void memecrypto_decrypt(const uint8_t *key, uint8_t *data);
void memecrypto_encrypt(const uint8_t *key, uint8_t *data);
#endif //MEMECRYPTO_H

128
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#include "metadata.h"
#include <cstring>
#include <random>
#include <stdio.h>
#include "memecrypto.h"
#include "metadatastringdec.h"
unsigned char initial_prev_xor[] = { 0xad, 0x2f, 0x42, 0x30, 0x67, 0x04, 0xb0, 0x9c, 0x9d, 0x2a, 0xc0, 0xba, 0x0e, 0xbf, 0xa5, 0x68 };
bool get_global_metadata_keys(uint8_t *src, size_t srcn, uint8_t *longkey, uint8_t *shortkey) {
if (srcn != 0x4000)
return false;
if (*(uint16_t *) (src + 0xc8) != 0xfc2e || *(uint16_t *) (src + 0xca) != 0x2cfe)
return true;
auto offB00 = *(uint16_t *) (src + 0xd2);
for (size_t i = 0; i < 16; i++)
shortkey[i] = src[offB00 + i] ^ src[0x3000 + i];
for (size_t i = 0; i < 0xb00; i++)
longkey[i] = src[offB00 + 0x10 + i] ^ src[0x3000 + 0x10 + i] ^ shortkey[i % 16];
return true;
}
bool gen_global_metadata_key(uint8_t* src, size_t srcn) {
if (srcn != 0x4000)
return false;
#if 0
std::vector<uint8_t> read_file(const char* n);
auto data = read_file("xorpad.bin");
memcpy(src, data.data(), 0x4000);
return false;
#endif
std::mt19937_64 rand (0xDEADBEEF);
uint64_t* key = (uint64_t*)src;
for (int i = 0; i < srcn / sizeof(uint64_t); i++)
key[i] = rand();
*(uint16_t *) (src + 0xc8) = 0xfc2e; // Magic
*(uint16_t *) (src + 0xca) = 0x2cfe; // Magic
*(uint16_t *) (src + 0xd2) = rand() & 0x1FFFu; // Just some random value
return true;
}
extern "C" void decrypt_global_metadata(uint8_t *data, size_t size) {
uint8_t longkey[0xB00];
uint8_t longkeyp[0xB0];
uint8_t shortkey[16];
get_global_metadata_keys(data + size - 0x4000, 0x4000, longkey, shortkey);
for (int i = 0; i < 16; i++)
shortkey[i] ^= initial_prev_xor[i];
memecrypto_prepare_key(longkey, longkeyp);
auto perentry = (uint32_t) (size / 0x100 / 0x40);
for (int i = 0; i < 0x100; i++) {
auto off = (0x40u * perentry) * i;
uint8_t prev[16];
memcpy(prev, shortkey, 16);
for (int j = 0; j < 4; j++) {
uint8_t curr[16];
memcpy(curr, &data[off + j * 0x10], 16);
memecrypto_decrypt(longkeyp, curr);
for (int k = 0; k < 16; k++)
curr[k] ^= prev[k];
memcpy(prev, &data[off + j * 0x10], 16);
memcpy(&data[off + j * 0x10], curr, 16);
}
}
uint8_t literal_dec_key[0x5000];
recrypt_global_metadata_header_string_fields(data, size, literal_dec_key);
recrypt_global_metadata_header_string_literals(data, size, literal_dec_key);
}
extern "C" void encrypt_global_metadata(uint8_t* data, size_t size) {
uint8_t literal_dec_key[0x5000];
gen_global_metadata_key(data + size - 0x4000, 0x4000);
generate_key_for_global_metadata_header_string(data, size, literal_dec_key);
recrypt_global_metadata_header_string_literals(data, size, literal_dec_key);
recrypt_global_metadata_header_string_fields(data, size, literal_dec_key);
uint8_t longkey[0xB00];
uint8_t longkeyp[0xB0];
uint8_t shortkey[16];
get_global_metadata_keys(data + size - 0x4000, 0x4000, longkey, shortkey);
for (int i = 0; i < 16; i++)
shortkey[i] ^= initial_prev_xor[i];
memecrypto_prepare_key(longkey, longkeyp);
auto perentry = (uint32_t) (size / 0x100 / 0x40);
for (int i = 0; i < 0x100; i++) {
auto off = (0x40u * perentry) * i;
uint8_t prev[16];
memcpy(prev, shortkey, 16);
for (int j = 0; j < 4; j++) {
uint8_t curr[16];
memcpy(curr, &data[off + j * 0x10], 16);
for (int k = 0; k < 16; k++)
curr[k] ^= prev[k];
memecrypto_encrypt(longkeyp, curr);
memcpy(prev, curr, 16);
memcpy(&data[off + j * 0x10], curr, 16);
}
}
}

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#ifndef METADATA_H
#define METADATA_H
#include <cstdint>
#include <cstdlib>
extern "C" void decrypt_global_metadata(uint8_t *data, size_t size);
extern "C" void encrypt_global_metadata(uint8_t *data, size_t size);
#endif //METADATA_H

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#include "metadatastringdec.h"
#include <stdexcept>
#include <random>
#include <stdio.h>
struct m_header_fields {
char filler1[0x18];
uint32_t stringLiteralDataOffset; // 18
uint32_t stringLiteralDataCount; // 1c
uint32_t stringLiteralOffset; // 20
uint32_t stringLiteralCount; // 24
char filler2[0xd8 - 0x28];
uint32_t stringOffset, stringCount;
};
struct m_literal {
uint32_t offset, length;
};
void generate_key_for_global_metadata_header_string(uint8_t* data, size_t len, uint8_t* literal_dec_key) {
if (len < sizeof(m_header_fields))
throw std::out_of_range("data not big enough for global metadata header");
uint32_t values[0x12] = {
*(uint32_t *) (data + 0x60),
*(uint32_t *) (data + 0x64),
*(uint32_t *) (data + 0x68),
*(uint32_t *) (data + 0x6c),
*(uint32_t *) (data + 0x140),
*(uint32_t *) (data + 0x144),
*(uint32_t *) (data + 0x148),
*(uint32_t *) (data + 0x14c),
*(uint32_t *) (data + 0x100),
*(uint32_t *) (data + 0x104),
*(uint32_t *) (data + 0x108),
*(uint32_t *) (data + 0x10c),
*(uint32_t *) (data + 0xf0),
*(uint32_t *) (data + 0xf4),
*(uint32_t *) (data + 8),
*(uint32_t *) (data + 0xc),
*(uint32_t *) (data + 0x10),
*(uint32_t *) (data + 0x14)
};
uint64_t seed = ((uint64_t) values[values[0] & 0xfu] << 0x20u) | values[(values[0x11] & 0xf) + 2];
std::mt19937_64 rand (seed);
for (int i = 0; i < 6; i++) // Skip
rand();
auto key64 = (uint64_t *) literal_dec_key;
for (int i = 0; i < 0xa00; i++)
key64[i] = rand();
}
void recrypt_global_metadata_header_string_fields(uint8_t *data, size_t len, uint8_t *literal_dec_key) {
if (len < sizeof(m_header_fields))
throw std::out_of_range("data not big enough for global metadata header");
uint32_t values[0x12] = {
*(uint32_t *) (data + 0x60),
*(uint32_t *) (data + 0x64),
*(uint32_t *) (data + 0x68),
*(uint32_t *) (data + 0x6c),
*(uint32_t *) (data + 0x140),
*(uint32_t *) (data + 0x144),
*(uint32_t *) (data + 0x148),
*(uint32_t *) (data + 0x14c),
*(uint32_t *) (data + 0x100),
*(uint32_t *) (data + 0x104),
*(uint32_t *) (data + 0x108),
*(uint32_t *) (data + 0x10c),
*(uint32_t *) (data + 0xf0),
*(uint32_t *) (data + 0xf4),
*(uint32_t *) (data + 8),
*(uint32_t *) (data + 0xc),
*(uint32_t *) (data + 0x10),
*(uint32_t *) (data + 0x14)
};
uint64_t seed = ((uint64_t) values[values[0] & 0xfu] << 0x20u) | values[(values[0x11] & 0xf) + 2];
std::mt19937_64 rand (seed);
auto header = (m_header_fields *) data;
header->stringCount ^= (uint32_t) rand();
header->stringOffset ^= (uint32_t) rand();
rand();
header->stringLiteralOffset ^= (uint32_t) rand();
header->stringLiteralDataCount ^= (uint32_t) rand();
header->stringLiteralDataOffset ^= (uint32_t) rand();
auto key64 = (uint64_t *) literal_dec_key;
for (int i = 0; i < 0xa00; i++)
key64[i] = rand();
}
void recrypt_global_metadata_header_string_literals(uint8_t *data, size_t len, uint8_t *literal_dec_key) {
if (len < sizeof(m_header_fields))
throw std::out_of_range("data not big enough for global metadata header");
auto header = (m_header_fields *) data;
if ((size_t) header->stringLiteralCount + header->stringLiteralOffset > len)
throw std::out_of_range("file trimmed or string literal offset/count field invalid");
auto literals = (m_literal *) (data + header->stringLiteralOffset);
auto count = header->stringLiteralCount / sizeof(m_literal);
for (size_t i = 0; i < count; i++) {
auto slen = literals[i].length;
uint8_t *str = data + header->stringLiteralDataOffset + literals[i].offset;
uint8_t *okey = literal_dec_key + (i % 0x2800);
if ((size_t) header->stringLiteralDataOffset + literals[i].offset + slen > len)
throw std::out_of_range("file trimmed or contains invalid string entry");
for (size_t j = 0; j < slen; j++)
str[j] ^= literal_dec_key[(j + 0x1400u) % 0x5000u] ^ (okey[j % 0x2800u] + (uint8_t) j);
}
}

13
src-tauri/mhycrypto/metadatastringdec.h Normal file
View File

@@ -0,0 +1,13 @@
#ifndef METADATASTRINGDEC_H
#define METADATASTRINGDEC_H
#include <cstdint>
#include <cstdlib>
void recrypt_global_metadata_header_string_fields(uint8_t *data, size_t len, uint8_t *literal_dec_key);
void recrypt_global_metadata_header_string_literals(uint8_t *data, size_t len, uint8_t *literal_dec_key);
void generate_key_for_global_metadata_header_string(uint8_t* data, size_t len, uint8_t* literal_dec_key);
#endif //METADATASTRINGDEC_H

36
src-tauri/src/metadata_patcher.rs
View File

@@ -1,38 +1,24 @@
use core::ffi::c_void;
use libloading::os::windows::Library;
use libloading::os::windows::Symbol;
use regex::Regex;
use std::fs::File;
use std::io::Read;
use std::io::Write;
fn dll_decrypt_global_metadata(data: *mut u8, size: u64) -> Result<*const c_void, Box<dyn std::error::Error>> {
extern {
fn decrypt_global_metadata(data : *mut u8, size : u64);
fn encrypt_global_metadata(data : *mut u8, size : u64);
}
fn dll_decrypt_global_metadata(data : *mut u8, size : u64) -> Result<bool, Box<dyn std::error::Error>> {
unsafe {
// Load DLL
let lib = Library::new("mhycrypto.dll")?;
// Load function and call it
let func: Symbol<unsafe extern "C" fn(*mut u8, u64) -> *const c_void> = lib.get_ordinal(0x1)?;
let decrypted_data = func(data, size);
// Close DLL and return result
lib.close()?;
Ok(decrypted_data)
decrypt_global_metadata(data, size);
Ok(true)
}
}
fn dll_encrypt_global_metadata(data: *mut u8, size: u64) -> Result<*const c_void, Box<dyn std::error::Error>> {
fn dll_encrypt_global_metadata(data : *mut u8, size : u64) -> Result<bool, Box<dyn std::error::Error>> {
unsafe {
// Load DLL
let lib = Library::new("mhycrypto.dll")?;
// Load function and call it
let func: Symbol<unsafe extern "C" fn(*mut u8, u64) -> *const c_void> = lib.get_ordinal(0x2)?;
let encrypted_data = func(data, size);
// Close DLL and return result
lib.close()?;
Ok(encrypted_data)
encrypt_global_metadata(data, size);
Ok(true)
}
}