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26 lines
802 B
Python
26 lines
802 B
Python
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from trezor.crypto.hashlib import ripemd160, sha256
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from . import base58_ripple
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def address_from_public_key(pubkey: bytes):
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"""Extracts public key from an address
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Ripple address is in format:
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<1-byte ripple flag> <20-bytes account id> <4-bytes dSHA-256 checksum>
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- 1-byte flag is 0x00 which is 'r' (Ripple uses its own base58 alphabet)
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- 20-bytes account id is a ripemd160(sha256(pubkey))
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- checksum is first 4 bytes of double sha256(data)
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see https://developers.ripple.com/accounts.html#address-encoding
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"""
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"""Returns the Ripple address created using base58"""
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h = sha256(pubkey).digest()
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h = ripemd160(h).digest()
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address = bytearray()
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address.append(0x00) # 'r'
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address.extend(h)
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return base58_ripple.encode_check(bytes(address))
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