/* loader.h
 *
 * Public key information for the signed images
 *
 *
 * Copyright (C) 2026 wolfSSL Inc.
 *
 * This file is part of wolfBoot.
 *
 * wolfBoot is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * wolfBoot is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
 */

#ifndef LOADER_H
#define LOADER_H

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

#define ED25519_IMAGE_SIGNATURE_SIZE (64)
#define ED448_IMAGE_SIGNATURE_SIZE (114)

#if defined(WOLFBOOT_SIGN_ECC256) || defined(WOLFBOOT_SIGN_SECONDARY_ECC256)
#define ECC_IMAGE_SIGNATURE_SIZE (64)
#elif defined(WOLFBOOT_SIGN_ECC384) || defined(WOLFBOOT_SIGN_SECONDARY_ECC384)
#define ECC_IMAGE_SIGNATURE_SIZE (96)
#elif defined(WOLFBOOT_SIGN_ECC521) || defined(WOLFBOOT_SIGN_SECONDARY_ECC521)
#define ECC_IMAGE_SIGNATURE_SIZE (132)
#endif

/* Consolidated RSA-PSS flag: set when any RSA-PSS variant is enabled
 * (primary or secondary). Used to guard PSS-specific code paths in the
 * unified RSA verify function. */
#if defined(WOLFBOOT_SIGN_RSAPSS2048) || defined(WOLFBOOT_SIGN_RSAPSS3072) || \
    defined(WOLFBOOT_SIGN_RSAPSS4096) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS2048) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS3072) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS4096)
#define WOLFBOOT_SIGN_RSAPSS_ANY
#endif

/* Consolidated RSA flag: set when any RSA variant is enabled (PKCS#1 v1.5 or
 * PSS, primary or secondary). Used to guard the unified RSA verify function
 * and related RSA code paths. */
#if defined(WOLFBOOT_SIGN_RSA2048) || defined(WOLFBOOT_SIGN_RSA3072) || \
    defined(WOLFBOOT_SIGN_RSA4096) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSA2048) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSA3072) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSA4096) || \
    defined(WOLFBOOT_SIGN_RSAPSS2048) || defined(WOLFBOOT_SIGN_RSAPSS3072) || \
    defined(WOLFBOOT_SIGN_RSAPSS4096) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS2048) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS3072) || \
    defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS4096)
#define WOLFBOOT_SIGN_RSA_ANY
#endif

#if defined(WOLFBOOT_SIGN_RSA2048) || defined(WOLFBOOT_SIGN_SECONDARY_RSA2048) || \
    defined(WOLFBOOT_SIGN_RSAPSS2048) || defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS2048)
#define RSA_IMAGE_SIGNATURE_SIZE (256)
#elif defined(WOLFBOOT_SIGN_RSA3072) || defined(WOLFBOOT_SIGN_SECONDARY_RSA3072) || \
    defined(WOLFBOOT_SIGN_RSAPSS3072) || defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS3072)
#define RSA_IMAGE_SIGNATURE_SIZE (384)
#elif defined(WOLFBOOT_SIGN_RSA4096) || defined(WOLFBOOT_SIGN_SECONDARY_RSA4096) || \
    defined(WOLFBOOT_SIGN_RSAPSS4096) || defined(WOLFBOOT_SIGN_SECONDARY_RSAPSS4096)
#define RSA_IMAGE_SIGNATURE_SIZE (512)
#endif

#ifndef ML_DSA_IMAGE_SIGNATURE_SIZE
#define ML_DSA_IMAGE_SIGNATURE_SIZE (3309)
#endif


void wolfBoot_start(void);

#include "hooks.h"

#if defined(ARCH_ARM) && defined(WOLFBOOT_ARMORED)

/* attempt to jump 5 times to self, causing loop that cannot be glitched past */
#ifdef WOLFBOOT_HOOK_PANIC
#define wolfBoot_panic() do { \
    wolfBoot_hook_panic(); \
    asm volatile("b ."); \
    asm volatile("b .-2"); \
    asm volatile("b .-4"); \
    asm volatile("b .-6"); \
    asm volatile("b .-8"); \
    } while(0)
#else
#define wolfBoot_panic() do { \
    asm volatile("b ."); \
    asm volatile("b .-2"); \
    asm volatile("b .-4"); \
    asm volatile("b .-6"); \
    asm volatile("b .-8"); \
    } while(0)
#endif

#elif defined(ARCH_SIM)
#include <stdlib.h>
#include <stdio.h>
static inline void wolfBoot_panic(void)
{
#ifdef WOLFBOOT_HOOK_PANIC
    wolfBoot_hook_panic();
#endif
    fprintf(stderr, "wolfBoot: PANIC!\n");
    exit('P');
}
#elif defined UNIT_TEST
static int wolfBoot_panicked = 0;
static inline void wolfBoot_panic(void)
{
#ifdef WOLFBOOT_HOOK_PANIC
    wolfBoot_hook_panic();
#endif
    fprintf(stderr, "wolfBoot: PANIC!\n");
    wolfBoot_panicked++;
}
#else
#include "printf.h"
static inline void wolfBoot_panic(void)
{
#ifdef WOLFBOOT_HOOK_PANIC
    wolfBoot_hook_panic();
#endif
    wolfBoot_printf("wolfBoot: PANIC!\n");
#ifdef WOLFBOOT_FSP
    extern void panic(void);
    panic();
#endif
    /* Spin so the watchdog fires and resets the chip (recovery).  Do NOT
     * pet the WDT here -- production must reset out of a panic. */
    while(1)
        ;
}
#endif

#ifdef WOLFCRYPT_SECURE_MODE
void wcs_Init(void);
#endif

#ifdef __cplusplus
}
#endif

#endif /* LOADER_H */