from __future__ import print_function import cryptos # Generate a random private key valid_private_key = False while not valid_private_key: private_key = cryptos.random_key() decoded_private_key = cryptos.decode_privkey(private_key, 'hex') valid_private_key = 0 < decoded_private_key < cryptos.N print("Private Key (hex) is: ", private_key) print("Private Key (decimal) is: ", decoded_private_key) # Convert private key to WIF format wif_encoded_private_key = cryptos.encode_privkey(decoded_private_key, 'wif') print("Private Key (WIF) is: ", wif_encoded_private_key) # Add suffix "01" to indicate a compressed private key compressed_private_key = private_key + '01' print("Private Key Compressed (hex) is: ", compressed_private_key) # Generate a WIF format from the compressed private key (WIF-compressed) wif_compressed_private_key = cryptos.encode_privkey( cryptos.decode_privkey(compressed_private_key, 'hex_compressed'), 'wif_compressed') print("Private Key (WIF-Compressed) is: ", wif_compressed_private_key) # Multiply the EC generator point G with the private key to get a public key point public_key = cryptos.fast_multiply(cryptos.G, decoded_private_key) print("Public Key (x,y) coordinates is:", public_key) # Encode as hex, prefix 04 hex_encoded_public_key = cryptos.encode_pubkey(public_key, 'hex') print("Public Key (hex) is:", hex_encoded_public_key) # Compress public key, adjust prefix depending on whether y is even or odd (public_key_x, public_key_y) = public_key compressed_prefix = '02' if (public_key_y % 2) == 0 else '03' hex_compressed_public_key = compressed_prefix + (cryptos.encode(public_key_x, 16).zfill(64)) print("Compressed Public Key (hex) is:", hex_compressed_public_key) # Generate Bitcoin address from public key print("Bitcoin Address (b58check) is:", cryptos.pubkey_to_address(public_key)) # Generate compressed Bitcoin address from compressed public key print("Compressed Bitcoin Address (b58check) is:", cryptos.pubkey_to_address(hex_compressed_public_key))