mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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8f75b6b923
Affects both utilsAppendFormattedStringToBuffer() and logWriteFormattedStringToBuffer(). Fixes logging issues within both the exception handler and memory debugging code. Other changes include: * bfttf: rename BfttfFontType_Total -> BfttfFontType_Count. * config: rename "append_authoringtool_data" -> "generate_authoringtool_data". * fs_ext: update FsGameCardCertificate struct * gamecard: fix gamecardReadLotusAsicFirmwareBlob() not returning false if FS .data segment memory couldn't be retrieved; update GameCardInfo struct to reflect a recently discovered area that's not zeroed out. * mem: expand MemoryProgramSegmentType enum; define extra macros for PID buffer size and memory page type checks; force empty memory page attribute and R/X permission checks while looking for the last FS .text segment; make memory page filtering code more readable. * npdm: rename KernelCapability enums; rename entry_value -> bitmask in all KernelCapability descriptor structs. * tik: force byte-for-byte memory lookup while dumping volatile tickets. * libs: update libusbhsfs to latest commit. * codebase: add missing comments to some enums; add missing "None" and "Count" elements to some enums. "Count" entries from enums with bitmasks will only reflect the number of available bitmask values. Enums with hex values remain unchanged. * PoC builds: use EXIT_SUCCESS and EXIT_FAILURE as return values. * nxdt_rw_poc: move "end" jump label within main() to avoid a crash if utilsInitializeResources() fails; reflect changes in config.c.
225 lines
8.7 KiB
C
225 lines
8.7 KiB
C
/*
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* cert.h
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*
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* Copyright (c) 2020-2023, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 <https://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 "signature.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SIGNED_CERT_MAX_SIZE sizeof(CertSigRsa4096PubKeyRsa4096)
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#define SIGNED_CERT_MIN_SIZE sizeof(CertSigHmac160PubKeyEcc480)
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#define GENERATE_CERT_STRUCT(sigtype, pubkeytype, certsize) \
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\
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typedef struct { \
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SignatureBlock##sigtype sig_block; \
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CertCommonBlock cert_common_block; \
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CertPublicKeyBlock##pubkeytype pub_key_block; \
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} CertSig##sigtype##PubKey##pubkeytype; \
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\
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NXDT_ASSERT(CertSig##sigtype##PubKey##pubkeytype, certsize);
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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_Count = 3 ///< Total values supported by this enum.
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} CertPubKeyType;
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/// Placed after the certificate signature block.
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typedef struct {
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char issuer[0x40];
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u32 pub_key_type; ///< CertPubKeyType. Always stored using big endian byte order.
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char name[0x40];
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u32 date; ///< Stored using big endian byte order.
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} CertCommonBlock;
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NXDT_ASSERT(CertCommonBlock, 0x88);
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/// RSA-4096 public key block. Placed after the certificate common block.
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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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NXDT_ASSERT(CertPublicKeyBlockRsa4096, 0x238);
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/// RSA-2048 public key block. Placed after the certificate common block.
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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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NXDT_ASSERT(CertPublicKeyBlockRsa2048, 0x138);
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/// ECC public key block. Placed after the certificate common block.
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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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NXDT_ASSERT(CertPublicKeyBlockEcc480, 0x78);
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/// All certificates generated below use a big endian sig_type field.
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/// Certificates with RSA-4096 signatures.
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GENERATE_CERT_STRUCT(Rsa4096, Rsa4096, 0x500); /// pub_key_type field must be CertPubKeyType_Rsa4096.
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GENERATE_CERT_STRUCT(Rsa4096, Rsa2048, 0x400); /// pub_key_type field must be CertPubKeyType_Rsa2048.
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GENERATE_CERT_STRUCT(Rsa4096, Ecc480, 0x340); /// pub_key_type field must be CertPubKeyType_Ecc480.
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/// Certificates with RSA-2048 signatures.
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GENERATE_CERT_STRUCT(Rsa2048, Rsa4096, 0x400); /// pub_key_type field must be CertPubKeyType_Rsa4096.
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GENERATE_CERT_STRUCT(Rsa2048, Rsa2048, 0x300); /// pub_key_type field must be CertPubKeyType_Rsa2048.
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GENERATE_CERT_STRUCT(Rsa2048, Ecc480, 0x240); /// pub_key_type field must be CertPubKeyType_Ecc480.
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/// Certificates with ECC signatures.
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GENERATE_CERT_STRUCT(Ecc480, Rsa4096, 0x340); /// pub_key_type field must be CertPubKeyType_Rsa4096.
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GENERATE_CERT_STRUCT(Ecc480, Rsa2048, 0x240); /// pub_key_type field must be CertPubKeyType_Rsa2048.
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GENERATE_CERT_STRUCT(Ecc480, Ecc480, 0x180); /// pub_key_type field must be CertPubKeyType_Ecc480.
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/// Certificates with HMAC signatures.
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GENERATE_CERT_STRUCT(Hmac160, Rsa4096, 0x300); /// pub_key_type field must be CertPubKeyType_Rsa4096.
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GENERATE_CERT_STRUCT(Hmac160, Rsa2048, 0x200); /// pub_key_type field must be CertPubKeyType_Rsa2048.
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GENERATE_CERT_STRUCT(Hmac160, Ecc480, 0x140); /// pub_key_type field must be CertPubKeyType_Ecc480.
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/// Certificate type.
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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_Count = 13 ///< Total values supported by this enum.
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} CertType;
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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[SIGNED_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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/// Retrieves a certificate by its name (e.g. "CA00000003", "XS00000020", etc.).
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bool certRetrieveCertificateByName(Certificate *dst, const char *name);
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/// Retrieves a certificate chain by a full signature issuer string (e.g. "Root-CA00000003-XS00000020").
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bool certRetrieveCertificateChainBySignatureIssuer(CertificateChain *dst, const char *issuer);
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/// Returns a pointer to a dynamically allocated buffer that contains the raw contents from the certificate chain matching the input signature issuer. It must be freed by the user.
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/// NULL is returned if an error occurs.
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u8 *certGenerateRawCertificateChainBySignatureIssuer(const char *issuer, u64 *out_size);
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/// Returns a pointer to a dynamically allocated buffer that contains the raw contents from the certificate chain matching the input Rights ID (stored in the inserted gamecard).
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/// It must be freed by the user.
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/// NULL is returned if an error occurs.
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u8 *certRetrieveRawCertificateChainFromGameCardByRightsId(const FsRightsId *id, u64 *out_size);
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/// Helper inline functions.
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NX_INLINE void certFreeCertificateChain(CertificateChain *chain)
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{
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if (!chain) return;
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if (chain->certs) free(chain->certs);
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memset(chain, 0, sizeof(CertificateChain));
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}
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NX_INLINE CertCommonBlock *certGetCommonBlock(void *buf)
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{
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return (CertCommonBlock*)signatureGetPayload(buf, true);
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}
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NX_INLINE bool certIsValidPublicKeyType(u32 type)
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{
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return (type == CertPubKeyType_Rsa4096 || type == CertPubKeyType_Rsa2048 || type == CertPubKeyType_Ecc480);
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}
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NX_INLINE u8 *certGetPublicKey(CertCommonBlock *cert_common_block)
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{
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return ((cert_common_block != NULL && certIsValidPublicKeyType(__builtin_bswap32(cert_common_block->pub_key_type))) ? ((u8*)cert_common_block + sizeof(CertCommonBlock)) : NULL);
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}
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NX_INLINE u64 certGetPublicKeySize(u32 type)
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{
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return (u64)(type == CertPubKeyType_Rsa4096 ? MEMBER_SIZE(CertPublicKeyBlockRsa4096, public_key) : \
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(type == CertPubKeyType_Rsa2048 ? MEMBER_SIZE(CertPublicKeyBlockRsa2048, public_key) : \
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(type == CertPubKeyType_Ecc480 ? MEMBER_SIZE(CertPublicKeyBlockEcc480, public_key) : 0)));
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}
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NX_INLINE u64 certGetPublicKeyBlockSize(u32 type)
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{
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return (u64)(type == CertPubKeyType_Rsa4096 ? sizeof(CertPublicKeyBlockRsa4096) : \
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(type == CertPubKeyType_Rsa2048 ? sizeof(CertPublicKeyBlockRsa2048) : \
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(type == CertPubKeyType_Ecc480 ? sizeof(CertPublicKeyBlockEcc480) : 0)));
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}
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NX_INLINE u32 certGetPublicExponent(CertCommonBlock *cert_common_block)
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{
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u8 *public_key = certGetPublicKey(cert_common_block);
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return ((cert_common_block != NULL && public_key != NULL) ? __builtin_bswap32(*((u32*)(public_key + certGetPublicKeySize(__builtin_bswap32(cert_common_block->pub_key_type))))) : 0);
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}
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NX_INLINE bool certIsValidCertificate(void *buf)
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{
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CertCommonBlock *cert_common_block = certGetCommonBlock(buf);
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return (cert_common_block != NULL && certIsValidPublicKeyType(__builtin_bswap32(cert_common_block->pub_key_type)));
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}
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NX_INLINE u64 certGetSignedCertificateSize(void *buf)
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{
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if (!certIsValidCertificate(buf)) return 0;
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CertCommonBlock *cert_common_block = certGetCommonBlock(buf);
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return (signatureGetBlockSize(signatureGetSigType(buf, true)) + (u64)sizeof(CertCommonBlock) + certGetPublicKeyBlockSize(__builtin_bswap32(cert_common_block->pub_key_type)));
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}
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NX_INLINE u64 certGetSignedCertificateHashAreaSize(void *buf)
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{
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if (!certIsValidCertificate(buf)) return 0;
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CertCommonBlock *cert_common_block = certGetCommonBlock(buf);
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return ((u64)sizeof(CertCommonBlock) + certGetPublicKeyBlockSize(__builtin_bswap32(cert_common_block->pub_key_type)));
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CERT_H__ */
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