Create vault

Author: daedalus

vault

@@ -0,0 +1,94 @@
+import os
+import base64
+import binascii
+from bip_utils import *
+from cryptography.fernet import Fernet
+from cryptography.hazmat.primitives import hashes
+from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
+
+
+def pipeline(password, mnemonic = None, xprv = None):
+    assert not (mnemonic == None and xprv == None)
+
+    salt = b"\xff"*32
+    kdf = PBKDF2HMAC(
+        algorithm=hashes.SHA256(),
+        length=32,
+        salt=salt,
+        iterations=10_000_000,
+    )
+    key = kdf.derive(password.encode())
+
+    if mnemonic:
+        # Generate seed
+        seed_bytes = Bip39SeedGenerator(mnemonic).Generate("")
+        print("Seed:", seed_bytes.hex())
+        # BIP32 master key for Bitcoin (NOT SLIP-0010)
+        bip32_mst = Bip32Secp256k1.FromSeed(seed_bytes)
+        xprv = bip32_mst.PrivateKey().ToExtended()
+
+
+    bip32_mst = Bip32Slip10Secp256k1.FromExtendedKey(xprv)
+
+    raw_priv_hex = bip32_mst.PrivateKey().Raw().ToHex()
+    chain_code_hex = bip32_mst.PrivateKey().ChainCode().ToHex()
+
+    
+    print("Master xprv:", xprv)
+    print("Raw priv:", raw_priv_hex)
+    print("Chain code:", chain_code_hex)
+
+
+    a=int(key.hex(),16)
+    b=int(chain_code_hex,16) 
+    c=int(raw_priv_hex,16)
+
+    A,B = a ^ b, a ^ c
+
+    chain_code_hex = '{:064x}'.format(A)
+    raw_priv_hex = '{:064x}'.format(B)
+
+    # Reconstruct manually
+    priv_key_bytes = binascii.unhexlify(raw_priv_hex)
+    chain_code_bytes = binascii.unhexlify(chain_code_hex)
+
+    # --- VERSION BYTES (4-byte sequences) for Bitcoin mainnet ---
+    xpub_ver = b"\x04\x88\xAD\xE4"
+    xprv_ver = b"\x04\x88\xB2\x1E"
+    net_versions = Bip32KeyNetVersions(xprv_ver, xpub_ver)
+
+    # --- Build Bip32KeyData (master key example: depth=0, index=0, parent fingerprint = 0) ---
+    key_data = Bip32KeyData(
+        depth=0,
+        index=0,
+        chain_code=Bip32ChainCode(chain_code_bytes),
+        parent_fprint=b"\x00\x00\x00\x00"
+    )
+
+    # --- Construct Bip32 object from private key + key_data ---
+    bip32 = Bip32Slip10Secp256k1.FromPrivateKey(priv_key_bytes, key_data, net_versions)
+
+    # --- Export extended private/public keys ---
+    xprv_rec = bip32.PrivateKey().ToExtended()
+    #assert xprv == xprv_rec
+
+    print("Reconstructed xprv:", xprv_rec)
+
+    print("To print: ")
+    print("="*30)
+    for i in range(6): print(xprv_rec[i*22:(i+1)*22])
+    print("="*30)
+    return xprv_rec
+    
+password = "password"
+
+#mnemonic = "panel whisper dutch urge chicken despair ladder together target consider vague robot"
+#xprv = "xprv9s21ZrQH143K2vNDXNVDkJFaeR2P8jU4f2H3KDaY9raPytJ9Ht6ru4KZe8JV6DYZcWAU2uWi1psNkx6ZmvZPT6kEKTNBToUi3n8Ry9sL18m"
+
+mnemonic = "panel whisper dutch urge chicken despair ladder together target consider vague robot"
+xprv = None
+xprv_rec = pipeline(password, mnemonic, xprv)
+
+mnemonic = None
+pipeline(password, mnemonic, xprv_rec)
+