mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-11-29 21:52:22 +00:00
43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/*
|
|
* rsa.c
|
|
*
|
|
* Copyright (c) 2018-2019, SciresM.
|
|
* Copyright (c) 2018-2019, The-4n.
|
|
* Copyright (c) 2020-2021, DarkMatterCore <pabloacurielz@gmail.com>.
|
|
*
|
|
* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
|
|
*
|
|
* nxdumptool is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* nxdumptool is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#ifndef __RSA_H__
|
|
#define __RSA_H__
|
|
|
|
#define RSA2048_SIG_SIZE 0x100
|
|
#define RSA2048_PUBKEY_SIZE RSA2048_SIG_SIZE
|
|
|
|
/// Generates a RSA-2048-PSS with SHA-256 signature using a custom RSA-2048 private key.
|
|
/// Suitable to replace the ACID signature in a Program NCA header.
|
|
/// Destination buffer size should be at least RSA2048_SIG_SIZE.
|
|
bool rsa2048GenerateSha256BasedPssSignature(void *dst, const void *src, size_t size);
|
|
|
|
/// Returns a pointer to the RSA-2048 public key that can be used to verify signatures generated by rsa2048GenerateSha256BasedPssSignature().
|
|
/// Suitable to replace the ACID public key in a NPDM.
|
|
const u8 *rsa2048GetCustomPublicKey(void);
|
|
|
|
/// Performs RSA-2048-OAEP decryption and verification. Used to decrypt the titlekey block from tickets with personalized crypto.
|
|
bool rsa2048OaepDecryptAndVerify(void *dst, size_t dst_size, const void *signature, const void *modulus, const void *exponent, size_t exponent_size, const void *label_hash, size_t *out_size);
|
|
|
|
#endif /* __RSA_H__ */
|