crypto/s2n_signature.h

/* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#pragma once

#include "tls/s2n_tls_parameters.h"

#define sig_alg_check(a, b)                                  \
    do {                                                     \
        if ((a) != (b)) {                                    \
            POSIX_BAIL(S2N_ERR_INVALID_SIGNATURE_ALGORITHM); \
        }                                                    \
    } while (0)

typedef enum {
    S2N_SIGNATURE_ANONYMOUS = S2N_TLS_SIGNATURE_ANONYMOUS,
    S2N_SIGNATURE_RSA = S2N_TLS_SIGNATURE_RSA,
    S2N_SIGNATURE_ECDSA = S2N_TLS_SIGNATURE_ECDSA,

    S2N_SIGNATURE_RSA_PSS_RSAE = S2N_TLS_SIGNATURE_RSA_PSS_RSAE,
    S2N_SIGNATURE_RSA_PSS_PSS = S2N_TLS_SIGNATURE_RSA_PSS_PSS,

    /* For now, ML-DSA does not have a public value */
    S2N_SIGNATURE_MLDSA,
} s2n_signature_algorithm;