# Copyright (C) 2016-2019 Virgil Security Inc.
#
# Lead Maintainer: Virgil Security Inc. <support@virgilsecurity.com>
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from virgil_sdk.utils import Utils
[docs]class CardSignature(object):
"""
CardSignature provides signature for Card.
"""
def __init__(
self,
signer, # type: str
signature, # type: bytearray
snapshot=None, # type: bytearray
extra_fields=None # type: dict
):
self._signer = signer
self._signature = signature
self._snapshot = snapshot
self._extra_fields = extra_fields
[docs] def to_json(self):
"""
Card signature json representation.
Returns:
Serialize signature to json.
"""
res = {
"signer": self.signer,
"signature": Utils.b64encode(self.signature),
}
if self.snapshot:
res["snapshot"] = Utils.b64encode(self.snapshot)
return res
@property
def signer(self):
"""
Gets the type of signer signature.
Returns:
Type of signer signature.
"""
return self._signer
@property
def signature(self):
"""
Get the generated digital signature.
Returns:
Digital signature.
"""
return self._signature
@property
def snapshot(self):
"""
Get the signature snapshot.
Returns:
Signature snapshot.
"""
return self._snapshot
@property
def extra_fields(self):
"""
Get the custom fields associated with the signature.
Returns:
Custom fields.
"""
return self._extra_fields