Function create_proof 

pub fn create_proof(
    public_key: &BbsPlusPublicKey,
    signature: &BbsPlusSignature,
    messages: &[Vec<u8>],
    revealed_indices: &[usize],
    context: &[u8],
) -> BbsPlusResult<BbsPlusProof>

Create a selective disclosure proof revealing only specified message indices.