ZKP use RSA library or module to encrypt data

is it possible ZKP use RSA library or module to encrypt data in multiple layers like this? is it correct way to make it?

ZKP Proof Generation:
In the function generate_zkp(prosumer, challenge), you are generating a Zero-Knowledge Proof (ZKP) using the prosumer's private key to prove ownership of the ABE key. The prosumer's private key is generated in the generate_abe_key function and passed to this function. Here's the relevant code:
python
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def generate_zkp(prosumer, challenge):
private_key = get_private_key() # This is the ABE private key
public_key = private_key.public_key()
hash = SHA256.new(challenge)
signer = PKCS115_SigScheme(private_key)
signature = signer.sign(hash)