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3bfb9ef6ec
At least in the caller perspective. Also break down some functionalities into separate funcs, interally calling them on cert.c to avoid too many checks. And tried to avoid too much repeated code.
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
#pragma once
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#include "common.h"
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#define CERT_MAX_SIZE (sizeof(CertificateSignature) + 0x23C + sizeof(CertificateBody) + 0x238)
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#define CERT_RSA4096_SIG_SIZE (sizeof(CertificateSignature) + 0x23C)
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#define CERT_RSA2048_SIG_SIZE (sizeof(CertificateSignature) + 0x13C)
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#define CERT_ECC_SIG_SIZE (sizeof(CertificateSignature) + 0x7C)
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#define CERT_RSA4096_BODY_SIZE (sizeof(CertificateBody) + 0x238)
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#define CERT_RSA2048_BODY_SIZE (sizeof(CertificateBody) + 0x138)
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#define CERT_ECC_BODY_SIZE (sizeof(CertificateBody) + 0x78)
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// from: http://3dbrew.org/wiki/Certificates
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// all numbers in big endian
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typedef struct {
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u8 sig_type[4];
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u8 signature[];
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} PACKED_ALIGN(1) CertificateSignature;
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typedef struct {
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char issuer[0x40];
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u8 keytype[4];
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char name[0x40];
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u8 expiration[4];
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u8 pub_key_data[];
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} PACKED_ALIGN(1) CertificateBody;
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typedef struct {
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CertificateSignature* sig;
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CertificateBody* data;
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} Certificate;
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bool Certificate_IsValid(const Certificate* cert);
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bool Certificate_IsRSA(const Certificate* cert);
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bool Certificate_IsECC(const Certificate* cert);
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u32 Certificate_GetSignatureSize(const Certificate* cert, u32* size);
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u32 Certificate_GetModulusSize(const Certificate* cert, u32* size);
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u32 Certificate_GetModulus(const Certificate* cert, void* mod);
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u32 Certificate_GetExponent(const Certificate* cert, void* exp);
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u32 Certificate_GetEccSingleCoordinateSize(const Certificate* cert, u32* size);
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u32 Certificate_GetEccXY(const Certificate* cert, void* X, void* Y);
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u32 Certificate_GetSignatureChunkSize(const Certificate* cert, u32* size);
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u32 Certificate_GetDataChunkSize(const Certificate* cert, u32* size);
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u32 Certificate_GetFullSize(const Certificate* cert, u32* size);
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u32 Certificate_AllocCopyOut(const Certificate* cert, Certificate* out_cert);
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u32 Certificate_RawCopy(const Certificate* cert, void* raw);
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u32 Certificate_Cleanup(Certificate* cert);
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u32 LoadCertFromCertDb(bool emunand, Certificate* cert, const char* issuer);
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u32 BuildRawCertBundleFromCertDb(void* rawout, size_t* size, const char* const* cert_issuers, int count);
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