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42 lines
1.8 KiB
42 lines
1.8 KiB
#!/usr/bin/env python3
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from base64 import b64decode
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from hashlib import pbkdf2_hmac
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from Crypto.Cipher import AES
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#TODO perhaps load the vault from tools/2hashcat_tests/metamask2hashcat.json similar as in tools/metamask2hashcat.py
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vault = {"data":"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","iv":"h+BoIf2CQ5BEjaIOShFE7g==","salt":"jfGI3TXguhb8GPnKSXFrMzRk2NCEc131Gt5G3kZr5+s="}
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password = "hashcat1"
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salt = b64decode(vault["salt"])
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key = pbkdf2_hmac("sha256", password.encode(), salt, 10_000)
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iv = b64decode(vault["iv"])
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payload = b64decode(vault["data"])
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ciphertext = payload[:-16]
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print(f"ciphertext.hex()={ciphertext.hex()[0:128]}")
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tag = payload[-16:]
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cipher = AES.new(key, AES.MODE_GCM, nonce=iv)
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plaintext = cipher.decrypt(ciphertext)
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print(plaintext.hex()[0:128])
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print(str(plaintext[0:128]))
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print()
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try:
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cipher.verify(tag)
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print("The message is authentic:", plaintext.decode())
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except ValueError:
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print("Key incorrect or message corrupted")
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print()
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cipher = AES.new(key, AES.MODE_GCM, nonce=iv)
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plaintext = cipher.decrypt(ciphertext[:32])
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print("Partially encrypted message (32 bytes):", plaintext.decode())
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cipher = AES.new(key, AES.MODE_GCM, nonce=iv)
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plaintext = cipher.decrypt(ciphertext[:450])
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print("Partially encrypted message (450 bytes):", plaintext.decode())
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