/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _PK11_HPKE_H_
#define _PK11_HPKE_H_ 1

typedef enum {
    HpkeModeBase = 0,
    HpkeModePsk = 1,
} HpkeModeId;

/* https://www.iana.org/assignments/hpke
 * Note that not all of these are implemented.
 */
typedef enum {
    HpkeDhKemP256Sha256 = 0x10,
    HpkeDhKemP384Sha384 = 0x11,
    HpkeDhKemP521Sha512 = 0x12,
    HpkeDhKemX25519Sha256 = 0x20,
    HpkeDhKemX448Sha512 = 0x21,
    HpkeKemMlkem512 = 0x40,
    HpkeKemMlkem768 = 0x41,
    HpkeKemMlkem1024 = 0x42,
    HpkeKemMlkem768P256 = 0x50,
    HpkeKemMlkem1024P384 = 0x51,
    HpkeKemXWing = 0x647a, /* ML-KEM-768 + X25519 */
} HpkeKemId;

typedef enum {
    HpkeKdfHkdfSha256 = 0x1,
    HpkeKdfHkdfSha384 = 0x2,
    HpkeKdfHkdfSha512 = 0x3,
    HpkeKdfShake128 = 0x10,
    HpkeKdfShake256 = 0x11,
    HpkeKdfTurboShake128 = 0x12,
    HpkeKdfTurboShake256 = 0x13,
} HpkeKdfId;

typedef enum {
    HpkeAeadAes128Gcm = 1,
    HpkeAeadAes256Gcm = 2,
    HpkeAeadChaCha20Poly1305 = 3,
} HpkeAeadId;

typedef struct HpkeContextStr HpkeContext;

#endif /* _PK11_HPKE_H_ */