Browse Source

一些基础调整

skyfffire 5 months ago
parent
commit
3db82cbf74
2 changed files with 309 additions and 1 deletions
  1. 308 0
      encode_decode.py
  2. 1 1
      price_checker_ok.py

+ 308 - 0
encode_decode.py

@@ -0,0 +1,308 @@
+import os
+from typing import List
+import math
+
+# 定义算法的块大小(字节)
+BLOCK_SIZE = 16  # 例如 128 bits
+
+# 定义轮数
+NUM_ROUNDS = 10 # 可以根据需要调整
+
+# 简单的 S-box
+# 在实际应用中,S-box 需要精心设计以防止线性攻击和差分攻击
+S_BOX = [
+    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,
+]
+
+# 简单的逆 S-box
+INV_S_BOX = [S_BOX.index(i) for i in range(256)]
+
+# 简单的置换表 (例如,随机打乱 BLOCK_SIZE 的索引)
+# 在实际应用中,置换表也需要精心设计
+PERMUTATION_TABLE = list(range(BLOCK_SIZE))
+# 可以进一步打乱 PERMUTATION_TABLE,例如:
+# import random
+# random.shuffle(PERMUTATION_TABLE)
+
+# 逆置换表
+INV_PERMUTATION_TABLE = [0] * BLOCK_SIZE
+for i, j in enumerate(PERMUTATION_TABLE):
+    INV_PERMUTATION_TABLE[j] = i
+
+def _bytes_to_matrix(data: bytes) -> List[List[int]]:
+    """将字节串转换为 BLOCK_SIZE x BLOCK_SIZE 的矩阵形式 (或其他适合处理的形式)"""
+    # 这里为了简化,直接将字节串视为一个 BLOCK_SIZE 长度的列表
+    # 更复杂的设计可以将其转换为二维矩阵或其他结构
+    if len(data) != BLOCK_SIZE:
+        raise ValueError(f"Data must be exactly {BLOCK_SIZE} bytes.")
+    return list(data)
+
+def _matrix_to_bytes(matrix: List[int]) -> bytes:
+    """将矩阵形式的数据转换回字节串"""
+    if len(matrix) != BLOCK_SIZE:
+        raise ValueError(f"Matrix must have exactly {BLOCK_SIZE} elements.")
+    return bytes(matrix)
+
+def _sub_bytes(state: List[int], s_box: List[int]) -> List[int]:
+    """应用 S-box 替换"""
+    return [s_box[byte] for byte in state]
+
+def _permute_bytes(state: List[int], permutation_table: List[int]) -> List[int]:
+    """应用置换"""
+    return [state[permutation_table[i]] for i in range(BLOCK_SIZE)]
+
+def _xor_bytes(state: List[int], key: bytes) -> List[int]:
+    """与密钥进行异或"""
+    if len(state) != len(key):
+        raise ValueError("State and key must have the same length.")
+    return [state[i] ^ key[i] for i in range(BLOCK_SIZE)]
+
+def _generate_round_keys(key: bytes, num_rounds: int) -> List[bytes]:
+    """简单的密钥扩展(需要更复杂的算法来生成高质量的轮密钥)"""
+    # 这里只是一个占位符,实际应用中需要更强大的密钥调度算法
+    if len(key) != BLOCK_SIZE:
+        raise ValueError(f"Key must be exactly {BLOCK_SIZE} bytes.")
+    round_keys = [key]
+    # 可以根据某种规则从原密钥派生出更多的轮密钥
+    for _ in range(num_rounds):
+        # 这里只是一个简单的例子,可以进行循环移位、与其他常数异或等操作
+        new_key = bytes([ (b + 1) % 256 for b in round_keys[-1]])
+        round_keys.append(new_key)
+    return round_keys
+
+def _encrypt_block(block: bytes, round_keys: List[bytes]) -> bytes:
+    """加密一个数据块"""
+    if len(block) != BLOCK_SIZE:
+        raise ValueError(f"Block must be exactly {BLOCK_SIZE} bytes.")
+
+    state = _bytes_to_matrix(block)
+
+    # 初始轮与第一个轮密钥异或
+    state = _xor_bytes(state, round_keys[0])
+
+    # 多轮加密
+    for i in range(1, NUM_ROUNDS + 1):
+        # S-box 替换
+        state = _sub_bytes(state, S_BOX)
+        # 置换
+        state = _permute_bytes(state, PERMUTATION_TABLE)
+        # 与轮密钥异或
+        state = _xor_bytes(state, round_keys[i])
+
+        # 这里可以添加更多的混合和扩散操作
+
+    return _matrix_to_bytes(state)
+
+def _decrypt_block(block: bytes, round_keys: List[bytes]) -> bytes:
+    """解密一个数据块"""
+    if len(block) != BLOCK_SIZE:
+        raise ValueError(f"Block must be exactly {BLOCK_SIZE} bytes.")
+
+    state = _bytes_to_matrix(block)
+
+    # 逆向进行多轮解密
+    for i in range(NUM_ROUNDS, 0, -1):
+        # 与轮密钥异或 (解密轮密钥是加密轮密钥的逆)
+        state = _xor_bytes(state, round_keys[i])
+        # 逆置换
+        state = _permute_bytes(state, INV_PERMUTATION_TABLE)
+        # 逆 S-box 替换
+        state = _sub_bytes(state, INV_S_BOX)
+
+        # 这里需要添加对应加密时使用的逆向混合和扩散操作
+
+    # 最后与第一个轮密钥异或
+    state = _xor_bytes(state, round_keys[0])
+
+    return _matrix_to_bytes(state)
+
+def encrypt(plaintext: bytes, key: bytes, iv: bytes) -> bytes:
+    """
+    使用自定义对称加密算法加密数据 (计数器模式)
+
+    Args:
+        plaintext: 要加密的明文 (字节串)
+        key: 秘密密钥 (字节串,长度必须为 BLOCK_SIZE)
+        iv: 初始化向量 (字节串,长度必须为 BLOCK_SIZE),对于计数器模式是初始计数器值
+
+    Returns:
+        加密后的密文 (字节串)
+    """
+    if len(key) != BLOCK_SIZE:
+        raise ValueError(f"Key length must be {BLOCK_SIZE} bytes.")
+    if len(iv) != BLOCK_SIZE:
+        raise ValueError(f"IV length must be {BLOCK_SIZE} bytes for this mode.")
+
+    round_keys = _generate_round_keys(key, NUM_ROUNDS)
+    ciphertext = b""
+    plaintext_len = len(plaintext)
+
+    # 计算需要处理的完整块数
+    num_blocks = math.ceil(plaintext_len / BLOCK_SIZE)
+
+    for i in range(num_blocks):
+        # 准备当前明文块
+        start_index = i * BLOCK_SIZE
+        end_index = min(start_index + BLOCK_SIZE, plaintext_len)
+        current_block = plaintext[start_index:end_index]
+
+        # 填充最后一个块(如果需要)
+        if len(current_block) < BLOCK_SIZE:
+            # 使用零填充,实际应用中可以使用其他填充方案(如 PKCS#7)
+            current_block += b"\x00" * (BLOCK_SIZE - len(current_block))
+
+        # 计算当前轮的计数器值 (作为伪随机流的输入)
+        # Incrementing the IV for each block
+        current_counter = int.from_bytes(iv, byteorder='big') + i
+        counter_block = current_counter.to_bytes(BLOCK_SIZE, byteorder='big')
+
+        # 使用计数器值作为输入加密,生成伪随机流
+        keystream_block = _encrypt_block(counter_block, round_keys)
+
+        # 将明文块与伪随机流进行异或
+        encrypted_block = bytes([current_block[j] ^ keystream_block[j] for j in range(BLOCK_SIZE)])
+
+        ciphertext += encrypted_block
+
+    # 在这个简单的计数器模式实现中,密文的长度总是 BLOCK_SIZE 的倍数
+    return ciphertext
+
+def decrypt(ciphertext: bytes, key: bytes, iv: bytes) -> bytes:
+    """
+    使用自定义对称加密算法解密数据 (计数器模式)
+
+    Args:
+        ciphertext: 要解密的密文 (字节串)
+        key: 秘密密钥 (字节串,长度必须为 BLOCK_SIZE)
+        iv: 初始化向量 (字节串,长度必须为 BLOCK_SIZE),与加密时使用的相同
+
+    Returns:
+        解密后的明文 (字节串)
+    """
+    if len(key) != BLOCK_SIZE:
+        raise ValueError(f"Key length must be {BLOCK_SIZE} bytes.")
+    if len(iv) != BLOCK_SIZE:
+        raise ValueError(f"IV length must be {BLOCK_SIZE} bytes for this mode.")
+    if len(ciphertext) % BLOCK_SIZE != 0:
+        raise ValueError(f"Ciphertext length must be a multiple of {BLOCK_SIZE}.")
+
+    round_keys = _generate_round_keys(key, NUM_ROUNDS)
+    plaintext = b""
+    ciphertext_len = len(ciphertext)
+    num_blocks = ciphertext_len // BLOCK_SIZE
+
+    for i in range(num_blocks):
+        # 准备当前密文块
+        start_index = i * BLOCK_SIZE
+        end_index = start_index + BLOCK_SIZE
+        current_block = ciphertext[start_index:end_index]
+
+        # 计算当前轮的计数器值 (作为伪随机流的输入)
+        current_counter = int.from_bytes(iv, byteorder='big') + i
+        counter_block = current_counter.to_bytes(BLOCK_SIZE, byteorder='big')
+
+        # 使用计数器值作为输入加密,生成与加密时相同的伪随机流
+        keystream_block = _encrypt_block(counter_block, round_keys)
+
+        # 将密文块与伪随机流进行异或
+        decrypted_block = bytes([current_block[j] ^ keystream_block[j] for j in range(BLOCK_SIZE)])
+
+        plaintext += decrypted_block
+
+    # 在解密后需要移除填充(如果使用了填充)
+    # 这里假设使用了零填充,需要找到最后一个非零字节的位置(如果适用)
+    # 这是一个简单的去零填充方法,实际应用中需要根据填充方案进行处理
+    # 假设最后一个块可能包含填充,需要检查最后一个块的字节,并根据填充方案移除
+    # 这里为了简化,不去填充
+
+    return plaintext
+
+# --- 示例用法 ---
+
+if __name__ == "__main__":
+    print("--- 自创对称加密算法演示 ---")
+
+    # --- 加密部分:用户手动输入明文 ---
+    print("\n--- 加密 ---")
+    user_plaintext_str = input("请输入要加密的明文: ")
+    user_plaintext_data = user_plaintext_str.encode('utf-8') # 将字符串编码为字节串
+
+    # 加密时生成随机的密钥和 IV
+    generated_key = os.urandom(BLOCK_SIZE)
+    generated_iv = os.urandom(BLOCK_SIZE)
+
+    print(f"\n生成的密钥 Secret Key (hex): {generated_key.hex()}")
+    print(f"生成的初始化向量 Initial Vector (hex): {generated_iv.hex()}")
+
+    try:
+        ciphertext_data = encrypt(user_plaintext_data, generated_key, generated_iv)
+        print(f"\n生成的密文 Ciphertext (hex): {ciphertext_data.hex()}")
+    except ValueError as e:
+        print(f"加密错误: {e}")
+        exit() # 加密失败则退出
+
+    # # --- 解密部分:用户手动输入密钥、IV 和密文 ---
+    # print("\n--- 解密 ---")
+
+    # while True:
+    #     user_key_hex = input(f"请输入 Secret Key (hex, {BLOCK_SIZE*2}位): ")
+    #     try:
+    #         user_key_bytes = bytes.fromhex(user_key_hex)
+    #         if len(user_key_bytes) == BLOCK_SIZE:
+    #             break # 长度正确,跳出循环
+    #         else:
+    #             print(f"错误:密钥长度必须是 {BLOCK_SIZE} 字节(即 {BLOCK_SIZE*2} 位十六进制字符)。请重新输入。")
+    #     except ValueError:
+    #         print("错误:请输入有效的十六进制字符串。")
+
+    # while True:
+    #     user_iv_hex = input(f"请输入 Initial Vector (hex, {BLOCK_SIZE*2}位): ")
+    #     try:
+    #         user_iv_bytes = bytes.fromhex(user_iv_hex)
+    #         if len(user_iv_bytes) == BLOCK_SIZE:
+    #             break # 长度正确,跳出循环
+    #         else:
+    #             print(f"错误:IV 长度必须是 {BLOCK_SIZE} 字节(即 {BLOCK_SIZE*2} 位十六进制字符)。请重新输入。")
+    #     except ValueError:
+    #         print("错误:请输入有效的十六进制字符串。")
+
+    # while True:
+    #     user_ciphertext_hex = input("请输入 Ciphertext (hex): ")
+    #     try:
+    #         user_ciphertext_bytes = bytes.fromhex(user_ciphertext_hex)
+    #         if len(user_ciphertext_bytes) % BLOCK_SIZE == 0:
+    #              break # 长度是块大小的倍数,跳出循环
+    #         else:
+    #              print(f"错误:密文长度必须是块大小 {BLOCK_SIZE} 字节的倍数。请重新输入。")
+    #     except ValueError:
+    #         print("错误:请输入有效的十六进制字符串。")
+
+    # try:
+    #     decrypted_data = decrypt(user_ciphertext_bytes, user_key_bytes, user_iv_bytes)
+
+    #     # 尝试将解密后的字节串解码为字符串并打印
+    #     try:
+    #         decrypted_str = decrypted_data.decode('utf-8')
+    #         print(f"\n解密后的明文: {decrypted_str}")
+    #     except UnicodeDecodeError:
+    #         # 如果解码失败,说明解密可能不正确,或者原明文不是UTF-8编码的文本
+    #         print("\n解密后的数据无法以 UTF-8 格式解码,可能解密不正确或原数据格式不同。")
+    #         print(f"解密后的字节串 (hex): {decrypted_data.hex()}")
+
+    # except ValueError as e:
+    #     print(f"\n解密错误: {e}")

+ 1 - 1
price_checker_ok.py

@@ -71,7 +71,7 @@ def get_mexc_spot_price_target_usdt_bid(pair_symbol):
 app = Flask(__name__)
 log = logging.getLogger('werkzeug')
 log.setLevel(logging.ERROR)
-MAX_HISTORY_POINTS_PLOTLY = 43200
+MAX_HISTORY_POINTS_PLOTLY = 21600
 REFRESH_INTERVAL_SECONDS = 2 # 稍微增加间隔以减少API调用频率
 historical_data_points = deque(maxlen=MAX_HISTORY_POINTS_PLOTLY)