abdecrypt

package module
v0.0.0-...-26983a7 Latest Latest
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 Go to latest Published: Oct 6, 2024 License: MIT Imports: 16 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Magic string = "ANDROID BACKUP"
)

Variables

This section is empty.

Functions

func Decompress 

func Decompress(r io.Reader, abheader *AndroidBackupHeader) (io.Reader, error)

Decompress decompresses payload r of an Android backup consulting abheader.

func Decrypt 

func Decrypt(r io.Reader, mk *MasterKey) (io.Reader, error)

Decrypt decrypts payload of an Android backup using master key mk.

func NewReader 

func NewReader(r io.Reader, passphrase string) (io.Reader, error)

NewReader creates an extractor that decrypts and decompresses Android backup using the passphrase.

Types

type AndroidBackupHeader 

type AndroidBackupHeader struct {
	Version       int
	Compressed    bool
	UserSalt      []byte
	ChecksumSalt  []byte
	Rounds        int
	UserIV        []byte
	MasterKeyBlob []byte
}

AndroidBackupHeader represents Android backup header.

func ReadHeader 

func ReadHeader(r io.Reader) (*AndroidBackupHeader, io.Reader, error)

ReadHeader reads Android backup header from reader r. Note that ReadHeader returns a reader with remaining data to be used to get backup payload. Original reader will be advanced by ReadHeader.

type MasterKey 

type MasterKey struct {
	Version int
	IV      []byte
	Key     []byte
}

MasterKey represents master key and its parameters.

func DeriveMasterKey 

func DeriveMasterKey(ab *AndroidBackupHeader, passphrase string) (*MasterKey, error)

DeriveMasterKey derives master key data from backup header and passphrase.

Source Files

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Directories

Path Synopsis
cmd
abdecrypt command

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