def verify64u(signature, message, verkey):
"""
Returns True if signature is valid for message with respect to verification
key verkey
:param signature: base64 url-file safe encoded signature string
:param message: json encoded unicode string of resource record
:param verkey: base64 url-file safe encoded public key string
:return: boolean True if valid False otherwise
"""
sig = str64uToBytes(signature)
vk = str64uToBytes(verkey)
# msg = message.encode("utf-8")
return verify(sig, message.encode(), vk)
def testVerify():
resource = b"message"
vk, sk = ecdsa.generateByteKeys()
vk = keys.VerifyingKey.from_string(vk, curves.SECP256k1)
signature = str64uToBytes(ecdsa.signResource(resource, sk))
assert ecdsa.verify(signature, resource, vk)
def testSignResource64u():
resource = "message"
vk, sk = ecdsa.generate64uKeys()
signature = ecdsa.signResource64u(resource, sk)
assert str(signature) == signature
assert len(signature) == 88
assert len(str64uToBytes(signature)) == 64
def signResource64u(resource, sk):
"""
:param resource: string resource
:param sk: base64 url-file safe private key
:return: base64 url-file safe signature string
"""
resource = resource.encode()
sk = str64uToBytes(sk)
return signResource(resource, sk)
def testVerify():
resource = b"message"
vk, sk = eddsa.generateByteKeys()
signature = str64uToBytes(eddsa.signResource(resource, sk))
assert eddsa.verify(signature, resource, vk)