1 /* 2 * Copyright 2024-2025 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef OSSL_CRYPTO_SLH_HASH_H 11 #define OSSL_CRYPTO_SLH_HASH_H 12 #pragma once 13 14 #include <openssl/e_os2.h> 15 #include "slh_adrs.h" 16 #include "internal/packet.h" 17 18 #define SLH_HASH_FUNC_DECLARE(ctx, hashf) \ 19 const SLH_HASH_FUNC *hashf = ctx->hash_func 20 21 #define SLH_HASH_FN_DECLARE(hashf, t) OSSL_SLH_HASHFUNC_##t *t = hashf->t 22 23 /* 24 * @params out is |m| bytes which ranges from (30..49) bytes 25 */ 26 typedef int(OSSL_SLH_HASHFUNC_H_MSG)(SLH_DSA_HASH_CTX *ctx, const uint8_t *r, 27 const uint8_t *pk_seed, const uint8_t *pk_root, 28 const uint8_t *msg, size_t msg_len, 29 uint8_t *out, size_t out_len); 30 31 typedef int(OSSL_SLH_HASHFUNC_PRF)(SLH_DSA_HASH_CTX *ctx, const uint8_t *pk_seed, 32 const uint8_t *sk_seed, const uint8_t *adrs, 33 uint8_t *out, size_t out_len); 34 35 typedef int(OSSL_SLH_HASHFUNC_PRF_MSG)(SLH_DSA_HASH_CTX *ctx, const uint8_t *sk_prf, 36 const uint8_t *opt_rand, 37 const uint8_t *msg, size_t msg_len, 38 WPACKET *pkt); 39 40 typedef int(OSSL_SLH_HASHFUNC_F)(SLH_DSA_HASH_CTX *ctx, const uint8_t *pk_seed, 41 const uint8_t *adrs, 42 const uint8_t *m1, size_t m1_len, 43 uint8_t *out, size_t out_len); 44 45 typedef int(OSSL_SLH_HASHFUNC_H)(SLH_DSA_HASH_CTX *ctx, const uint8_t *pk_seed, 46 const uint8_t *adrs, 47 const uint8_t *m1, const uint8_t *m2, 48 uint8_t *out, size_t out_len); 49 50 typedef int(OSSL_SLH_HASHFUNC_T)(SLH_DSA_HASH_CTX *ctx, const uint8_t *pk_seed, 51 const uint8_t *adrs, 52 const uint8_t *m1, size_t m1_len, 53 uint8_t *out, size_t out_len); 54 55 typedef struct slh_hash_func_st { 56 OSSL_SLH_HASHFUNC_H_MSG *H_MSG; 57 OSSL_SLH_HASHFUNC_PRF *PRF; 58 OSSL_SLH_HASHFUNC_PRF_MSG *PRF_MSG; 59 OSSL_SLH_HASHFUNC_F *F; 60 OSSL_SLH_HASHFUNC_H *H; 61 OSSL_SLH_HASHFUNC_T *T; 62 } SLH_HASH_FUNC; 63 64 const SLH_HASH_FUNC *ossl_slh_get_hash_fn(int is_shake); 65 66 #endif 67