diff options
| author | boris <wzn@moneybot.cc> | 2018-12-19 00:13:24 +1300 |
|---|---|---|
| committer | boris <wzn@moneybot.cc> | 2018-12-19 00:13:24 +1300 |
| commit | 77b52da44b263df4884be2f35f885d8edccbb6fa (patch) | |
| tree | 54a9a07c67d507cb5120ae7e4ee86669dfec7c6b /csgo-loader/csgo-client/Security/Encryption.hpp | |
| parent | 1270999026bd77165edfffebfce277a34761710c (diff) | |
added new loader project :)
merry christmas
Diffstat (limited to 'csgo-loader/csgo-client/Security/Encryption.hpp')
| -rw-r--r-- | csgo-loader/csgo-client/Security/Encryption.hpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/csgo-loader/csgo-client/Security/Encryption.hpp b/csgo-loader/csgo-client/Security/Encryption.hpp new file mode 100644 index 0000000..d55608f --- /dev/null +++ b/csgo-loader/csgo-client/Security/Encryption.hpp @@ -0,0 +1,89 @@ +#pragma once
+
+#include <cstdint>
+#include <vector>
+#include <windows.h>
+#include <wincrypt.h>
+
+using ByteArray = std::vector<uint8_t>;
+
+#define BLOCK_SIZE 16
+
+namespace Wrapper {
+ // AES256 implementation.
+ class Aes256 {
+
+ public:
+ Aes256(const ByteArray& key);
+ ~Aes256();
+
+ static ByteArray::size_type encrypt(const ByteArray& key, const ByteArray& plain, ByteArray& encrypted);
+ static ByteArray::size_type encrypt(const ByteArray& key, const unsigned char* plain, const ByteArray::size_type plain_length, ByteArray& encrypted);
+ static ByteArray::size_type decrypt(const ByteArray& key, const ByteArray& encrypted, ByteArray& plain);
+ static ByteArray::size_type decrypt(const ByteArray& key, const unsigned char* encrypted, const ByteArray::size_type encrypted_length, ByteArray& plain);
+
+ ByteArray::size_type encrypt_start(const ByteArray::size_type plain_length, ByteArray& encrypted);
+ ByteArray::size_type encrypt_continue(const ByteArray& plain, ByteArray& encrypted);
+ ByteArray::size_type encrypt_continue(const unsigned char* plain, const ByteArray::size_type plain_length, ByteArray& encrypted);
+ ByteArray::size_type encrypt_end(ByteArray& encrypted);
+
+ ByteArray::size_type decrypt_start(const ByteArray::size_type encrypted_length);
+ ByteArray::size_type decrypt_continue(const ByteArray& encrypted, ByteArray& plain);
+ ByteArray::size_type decrypt_continue(const unsigned char* encrypted, const ByteArray::size_type encrypted_length, ByteArray& plain);
+ ByteArray::size_type decrypt_end(ByteArray& plain);
+
+ private:
+ ByteArray m_key;
+ ByteArray m_salt;
+ ByteArray m_rkey;
+
+ unsigned char m_buffer[3 * BLOCK_SIZE];
+ unsigned char m_buffer_pos;
+ ByteArray::size_type m_remainingLength;
+
+ bool m_decryptInitialized;
+
+ void check_and_encrypt_buffer(ByteArray& encrypted);
+ void check_and_decrypt_buffer(ByteArray& plain);
+
+ void encrypt(unsigned char *buffer);
+ void decrypt(unsigned char *buffer);
+
+ void expand_enc_key(unsigned char *rc);
+ void expand_dec_key(unsigned char *rc);
+
+ void sub_bytes(unsigned char *buffer);
+ void sub_bytes_inv(unsigned char *buffer);
+
+ void copy_key();
+
+ void add_round_key(unsigned char *buffer, const unsigned char round);
+
+ void shift_rows(unsigned char *buffer);
+ void shift_rows_inv(unsigned char *buffer);
+
+ void mix_columns(unsigned char *buffer);
+ void mix_columns_inv(unsigned char *buffer);
+ };
+
+ // Encryption wrapper.
+ class Encryption {
+ ByteArray m_EncryptionKey;
+ HCRYPTPROV m_CryptProvider;
+
+ public:
+ // Generate a random cryptographic key.
+ // OPTIONAL: You can pass a premade encryption key as a parameter.
+ void Start();
+ void Start(ByteArray &EncryptionKey);
+
+ // Handles encryption/decryption of data.
+ ByteArray Encrypt(ByteArray &Data);
+ ByteArray Decrypt(ByteArray &Data);
+
+ // Exposes the encryption key.
+ ByteArray GetKey() {
+ return m_EncryptionKey;
+ }
+ };
+}
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