c2pa-crypto 0.5.0

Cryptography internals for c2pa-rs crate
Documentation 
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// Copyright 2024 Adobe. All rights reserved.
// This file is licensed to you under the Apache License,
// Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
// or the MIT license (http://opensource.org/licenses/MIT),
// at your option.

// Unless required by applicable law or agreed to in writing,
// this software is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR REPRESENTATIONS OF ANY KIND, either express or
// implied. See the LICENSE-MIT and LICENSE-APACHE files for the
// specific language governing permissions and limitations under
// each license.

//! This module binds [`SubtleCrypto`] logic for validating raw signatures to
//! this crate's [`RawSignatureValidator`] trait.

use crate::raw_signature::{RawSignatureValidator, SigningAlg};

mod ecdsa_validator;
pub use ecdsa_validator::EcdsaValidator;

/// Return a validator for the given signing algorithm.
pub fn validator_for_signing_alg(alg: SigningAlg) -> Option<Box<dyn RawSignatureValidator>> {
    match alg {
        SigningAlg::Es256 => Some(Box::new(EcdsaValidator::Es256)),
        SigningAlg::Es384 => Some(Box::new(EcdsaValidator::Es384)),
        SigningAlg::Es512 => None, /* why is this unimplemented? */
        _ => None,
    }
}