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[#2] Add methods sign and verify

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This commit is contained in:
ilyas585 2025-02-11 10:03:29 +03:00
parent 97bc53c6f4
commit 4433fc425a
9 changed files with 102 additions and 10 deletions
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14
frostfs_api/crypto/key_extension.py
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@ -1,11 +1,21 @@
import base58
import ecdsa
class KeyExtension:
def get_private_key_from_wif(self, wif: str):
def get_private_key_from_wif(self, wif: str) -> bytes:
if len(wif) == 0 or wif is None:
raise ValueError(f"Empty WIF private key: {wif}")
decoded = base58.b58decode_check(wif)
if len(decoded) != 34 or decoded[0] != 0x80 or decoded[-1] != 0x01:
raise ValueError("Incorrect WIF private key")
raise ValueError("Not decode WIF by base58")
private_key = decoded[1:-1]
return private_key
def get_public_key(self, private_key: bytes):
if len(private_key) == 0 or private_key is None:
raise ValueError(f"Empty private key: {private_key}")
return ecdsa.SigningKey.from_string(private_key, curve=ecdsa.SECP256k1).get_verifying_key().to_string()