Python ECDH.load_private_key_bytes示例

def DeriveECDHSecret(privateKey, publicKey):
    """Generate a shared secret from keys in byte format."""

    derive = ECDH(curve=NIST256p)
    derive.load_private_key_bytes(unhexlify(privateKey))
    derive.load_received_public_key_bytes(unhexlify(publicKey))

    secret = derive.generate_sharedsecret_bytes()
    return secret

示例#2

显示文件

文件： test.py 项目： d3k4z/gundb-sea-poc

print(f"ECDSA Public key:\n\t" + x.decode("utf-8") + "." + y.decode("utf-8") +
      "\n\t" + data['pub'])

# 3. Check Verification method
x, y = data["pub"].split('.')
vpub = base64.b64decode(base64urldecode(x)) + base64.b64decode(
    base64urldecode(y))
vpub = VerifyingKey.from_string(vpub, curve=NIST256p, hashfunc=sha256)

integrity = sha256(signed['m'].encode('utf-8'))

print(
    f'Verify signature: {vpub.verify(base64.b64decode(signed["s"]), integrity.digest(), hashfunc=sha256)}'
)

# ECDH
epriv = base64urldecode(data["epriv"])
epriv = base64.b64decode(epriv)

# 1. Decode k
ecdh = ECDH(curve=NIST256p)
k = ecdh.load_private_key_bytes(epriv)

# 2. Generate public key
epub = k.to_string()
ex, ey = epub[:32], epub[32:]
ex = base64urlencode(base64.b64encode(ex))
ey = base64urlencode(base64.b64encode(ey))
print(f"ECDSA Public key:\n\t" + ex.decode("utf-8") + "." +
      ey.decode("utf-8") + "\n\t" + data['epub'])