forked from Kohaku/maimaiDX-Api
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
# 解密从 HDD 抓包得到的数据
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# 兼容 PRiSM 和 CN 2024
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# 仅用于分析
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import base64
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import zlib
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from Crypto.Cipher import AES
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from Crypto.Util.Padding import unpad, pad
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# 密钥和 IV
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# CN 2024
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aesKey2024 = "n7bx6:@Fg_:2;5E89Phy7AyIcpxEQ:R@"
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aesIV2024 = ";;KjR1C3hgB1ovXa"
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# 国际服 PRiSM
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aesKeyPrism = "A;mv5YUpHBK3YxTy5KB^[;5]C2AL50Bq"
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aesIVPrism = "9FM:sd9xA91X14v]"
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class AESPKCS7:
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def __init__(self, key: str, iv: str):
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self.key = key.encode('utf-8')
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self.iv = iv.encode('utf-8')
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self.mode = AES.MODE_CBC
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def encrypt(self, content: bytes) -> bytes:
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cipher = AES.new(self.key, self.mode, self.iv)
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content_padded = pad(content, AES.block_size)
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encrypted_bytes = cipher.encrypt(content_padded)
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return encrypted_bytes
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def decrypt(self, encrypted_content: bytes) -> str:
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cipher = AES.new(self.key, self.mode, self.iv)
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decrypted_padded = cipher.decrypt(encrypted_content)
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decrypted = unpad(decrypted_padded, AES.block_size)
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return decrypted
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def main_sdga():
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# 填入你的想解密的数据的 base64 编码
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base64_encoded_data = "KSGm2qo7qVHz1wrK15PckYC5/kLjKcTtEXOgHeHt1Xn6DPdo3pltoPLADHpe8+Wq"
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aes = AESPKCS7(aesKeyPrism, aesIVPrism)
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# 首先解码 base64
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decodedData = base64.b64decode(base64_encoded_data)
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# 然后解密数据，PRiSM 是先压缩再加密（which is 正确做法）
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decryptedData = aes.decrypt(decodedData)
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# 解压数据
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decompressedData = zlib.decompress(decryptedData)
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print(str(decompressedData))
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def main_sdgb():
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# 填入你的想解密的数据的 base64 编码
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base64_encoded_data = "eJyrTVvpuGwCR32OdodwtVXZ7/Ofmfhin7k/K61q3XNoad1rAPGwECU="
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aes = AESPKCS7(aesKey2024, aesIV2024)
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# 首先解码 base64
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decodedData = base64.b64decode(base64_encoded_data)
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# 然后解压数据，CN 2024 是加密后再压缩（纯傻逼
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decompressedData = zlib.decompress(decodedData)
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# 最后解密数据
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decryptedData = aes.decrypt(decompressedData)
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print(str(decryptedData))
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if __name__ == "__main__":
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main_sdga()
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