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Entropy Documentation

EntropyEngine::Core::IO::PackageHeader

EntropyEngine::Core::IO::PackageHeader

Section titled “EntropyEngine::Core::IO::PackageHeader”

Package file header (64 bytes, fixed size). More…

#include <PackageFormat.h>

Public Functions

Section titled “Public Functions”
Name
boolisEncrypted() const
boolhasValidMagic() const

Public Attributes

Section titled “Public Attributes”
Name
uint32_tversion
uint8_t[4]reserved
uint64_tmanifestSize
uint64_tmanifestOffset
char[4]magic
uint8_t[32]keyId
uint32_tflags

Detailed Description

Section titled “Detailed Description”
struct EntropyEngine::Core::IO::PackageHeader;

Package file header (64 bytes, fixed size).

Layout: [0-3] magic “EPAK” [4-7] version Format version (1) [8-11] flags Feature flags (see PackageFlags) [12-43] keyId SHA-256(symmetricKey) for key identification, zeros if unencrypted [44-51] manifestOffset Absolute byte offset to manifest blob [52-59] manifestSize Size of manifest blob (including nonce/tag if encrypted) [60-63] reserved Reserved for future use

All multi-byte integers are little-endian.

Public Functions Documentation

Section titled “Public Functions Documentation”

function isEncrypted

Section titled “function isEncrypted”
inline bool isEncrypted() const

function hasValidMagic

Section titled “function hasValidMagic”
inline bool hasValidMagic() const

Public Attributes Documentation

Section titled “Public Attributes Documentation”

variable version

Section titled “variable version”
uint32_t version;

variable reserved

Section titled “variable reserved”
uint8_t[4] reserved;

variable manifestSize

Section titled “variable manifestSize”
uint64_t manifestSize;

variable manifestOffset

Section titled “variable manifestOffset”
uint64_t manifestOffset;

variable magic

Section titled “variable magic”
char[4] magic;

variable keyId

Section titled “variable keyId”
uint8_t[32] keyId;

variable flags

Section titled “variable flags”
uint32_t flags;

Updated on 2026-01-26 at 17:14:35 -0500