mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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171 lines
6.6 KiB
C
171 lines
6.6 KiB
C
/*
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* Copyright (c) 2020 DarkMatterCore
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __CERT_H__
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#define __CERT_H__
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#include <switch/types.h>
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#include "signature.h"
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#define CERT_MAX_SIZE 0x500 /* Equivalent to sizeof(CertSigRsa4096PubKeyRsa4096) */
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#define CERT_MIN_SIZE 0x140 /* Equivalent to sizeof(CertSigHmac160PubKeyEcc480) */
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typedef enum {
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CertType_None = 0,
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CertType_SigRsa4096_PubKeyRsa4096 = 1,
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CertType_SigRsa4096_PubKeyRsa2048 = 2,
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CertType_SigRsa4096_PubKeyEcc480 = 3,
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CertType_SigRsa2048_PubKeyRsa4096 = 4,
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CertType_SigRsa2048_PubKeyRsa2048 = 5,
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CertType_SigRsa2048_PubKeyEcc480 = 6,
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CertType_SigEcc480_PubKeyRsa4096 = 7,
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CertType_SigEcc480_PubKeyRsa2048 = 8,
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CertType_SigEcc480_PubKeyEcc480 = 9,
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CertType_SigHmac160_PubKeyRsa4096 = 10,
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CertType_SigHmac160_PubKeyRsa2048 = 11,
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CertType_SigHmac160_PubKeyEcc480 = 12
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} CertType;
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/// Always stored using big endian byte order.
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typedef enum {
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CertPubKeyType_Rsa4096 = 0,
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CertPubKeyType_Rsa2048 = 1,
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CertPubKeyType_Ecc480 = 2
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} CertPubKeyType;
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typedef struct {
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u8 public_key[0x200];
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u32 public_exponent;
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u8 padding[0x34];
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} CertPublicKeyBlockRsa4096;
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typedef struct {
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u8 public_key[0x100];
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u32 public_exponent;
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u8 padding[0x34];
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} CertPublicKeyBlockRsa2048;
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typedef struct {
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u8 public_key[0x3C];
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u8 padding[0x3C];
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} CertPublicKeyBlockEcc480;
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/// Placed after the certificate signature block.
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typedef struct {
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u32 pub_key_type; ///< CertPubKeyType.
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char name[0x40];
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u32 date;
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} CertCommonBlock;
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typedef struct {
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SignatureBlockRsa4096 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa4096.
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CertPublicKeyBlockRsa4096 pub_key_block;
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} CertSigRsa4096PubKeyRsa4096;
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typedef struct {
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SignatureBlockRsa4096 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa2048.
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CertPublicKeyBlockRsa2048 pub_key_block;
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} CertSigRsa4096PubKeyRsa2048;
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typedef struct {
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SignatureBlockRsa4096 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Ecc480.
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CertPublicKeyBlockEcc480 pub_key_block;
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} CertSigRsa4096PubKeyEcc480;
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typedef struct {
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SignatureBlockRsa2048 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa4096.
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CertPublicKeyBlockRsa4096 pub_key_block;
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} CertSigRsa2048PubKeyRsa4096;
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typedef struct {
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SignatureBlockRsa2048 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa2048.
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CertPublicKeyBlockRsa2048 pub_key_block;
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} CertSigRsa2048PubKeyRsa2048;
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typedef struct {
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SignatureBlockRsa2048 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Ecc480.
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CertPublicKeyBlockEcc480 pub_key_block;
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} CertSigRsa2048PubKeyEcc480;
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typedef struct {
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SignatureBlockEcc480 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa4096.
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CertPublicKeyBlockRsa4096 pub_key_block;
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} CertSigEcc480PubKeyRsa4096;
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typedef struct {
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SignatureBlockEcc480 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa2048.
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CertPublicKeyBlockRsa2048 pub_key_block;
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} CertSigEcc480PubKeyRsa2048;
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typedef struct {
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SignatureBlockEcc480 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Ecc480.
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CertPublicKeyBlockEcc480 pub_key_block;
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} CertSigEcc480PubKeyEcc480;
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typedef struct {
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SignatureBlockHmac160 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa4096.
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CertPublicKeyBlockRsa4096 pub_key_block;
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} CertSigHmac160PubKeyRsa4096;
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typedef struct {
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SignatureBlockHmac160 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Rsa2048.
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CertPublicKeyBlockRsa2048 pub_key_block;
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} CertSigHmac160PubKeyRsa2048;
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typedef struct {
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SignatureBlockHmac160 sig_block; ///< sig_type field is stored using big endian byte order.
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CertCommonBlock cert_common_blk; ///< pub_key_type field must be CertPubKeyType_Ecc480.
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CertPublicKeyBlockEcc480 pub_key_block;
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} CertSigHmac160PubKeyEcc480;
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/// Used to store certificate type, size and raw data.
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typedef struct {
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u8 type; ///< CertType.
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u64 size; ///< Raw certificate size.
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u8 data[CERT_MAX_SIZE]; ///< Raw certificate data.
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} Certificate;
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/// Used to store two or more certificates.
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typedef struct {
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u32 count;
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Certificate *certs;
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} CertificateChain;
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bool certRetrieveCertificateByName(Certificate *dst, const char *name);
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bool certRetrieveCertificateChainBySignatureIssuer(CertificateChain *dst, const char *issuer);
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void certFreeCertificateChain(CertificateChain *chain);
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/// Retrieves the common block from an input Certificate.
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CertCommonBlock *certGetCommonBlockFromCertificate(Certificate *cert);
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/// Returns a pointer to a heap allocated buffer that must be freed by the user.
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u8 *certGenerateRawCertificateChainBySignatureIssuer(const char *issuer, u64 *out_size);
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#endif /* __CERT_H__ */
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