# ==================================================================================
# BSD 2-Clause License
#
# Copyright (c) 2014-2025, NJIT, Duality Technologies Inc. and other contributors
#
# All rights reserved.
#
# Author TPOC: contact@openfhe.org
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# ==================================================================================
from .tensor import FHETensor # Use relative import
from .ctarray import CTArray
from openfhe import Plaintext, CryptoContext, PublicKey
# -----------------------------------------------------------
# PTArray - Plaintext Tensor
# -----------------------------------------------------------
[docs]
class PTArray(FHETensor[Plaintext]):
"""Concrete tensor class for OpenFHE plaintexts."""
[docs]
def clone(self, data=None):
return PTArray(
data or self.data,
self.original_shape,
self.batch_size,
self.ncols,
self.order,
)
[docs]
def encrypt(self, crypto_context: CryptoContext, public_key: PublicKey):
ciphertext = crypto_context.Encrypt(public_key, self.data)
return CTArray(
ciphertext,
self.original_shape,
self.batch_size,
self.shape,
self.order,
)
[docs]
def decrypt(self, *args, **kwargs):
raise NotImplementedError("Decrypt not implemented for plaintext")
def __repr__(self) -> str:
return f"PTArray(meta={self.metadata})"
[docs]
def serialize(self) -> dict:
raise NotImplementedError("Serialize not implemented for plaintext")
[docs]
@classmethod
def deserialize(cls, obj: dict) -> "PTArray":
raise NotImplementedError("Deserialize not implemented for plaintext")