Package com.pnfsoftware.jeb.core.units.code.android

Class APKSigSchemeV3Block

java.lang.Object

com.pnfsoftware.jeb.core.units.code.android.APKSigSchemeV2Block

com.pnfsoftware.jeb.core.units.code.android.APKSigSchemeV3Block

@Ser
public class APKSigSchemeV3Block
extends APKSigSchemeV2Block

The APK signature scheme version 3 is an extension of version 2. Note that this parser should also be able to parse versions 3.1 and version 4 of the signature scheme.

Reference: https://source.android.com/docs/security/features/apksigning/v3

Nested Class Summary

Nested classes/interfaces inherited from class com.pnfsoftware.jeb.core.units.code.android.APKSigSchemeV2Block

APKSigSchemeV2Block.Attribute, APKSigSchemeV2Block.Certificate, APKSigSchemeV2Block.Digest, APKSigSchemeV2Block.PublicKey, APKSigSchemeV2Block.Signature, APKSigSchemeV2Block.Signer

Field Summary

Fields

Modifier and Type	Field	Description
static final int	PROOF_OF_ROTATION_ATTR_ID	Proof-of-rotation additional attribute identifier.
static final int	ROTATION_MIN_SDK_VERSION_ATTR_ID	Rotation minimum SDK version additional attribute identifier.
static final int	ROTATION_ON_DEV_RELEASE_ATTR_ID	Rotation-on-development-release additional attribute identifier.

Fields inherited from class com.pnfsoftware.jeb.core.units.code.android.APKSigSchemeV2Block

SigAlgoId_DSA_SHA2_256, SigAlgoId_ECDSA_SHA2_256, SigAlgoId_ECDSA_SHA2_512, SigAlgoId_RSASSA_PKCS1_v1_5_SHA2_256, SigAlgoId_RSASSA_PKCS1_v1_5_SHA2_512, SigAlgoId_RSASSA_PSS_SHA2_256, SigAlgoId_RSASSA_PSS_SHA2_512

Constructor Summary

Constructors

Constructor	Description
APKSigSchemeV3Block(ByteBuffer b)	Create and parse an APK Signature Scheme v3 block.
APKSigSchemeV3Block(ByteBuffer b, int minorVersion)	Create and parse an APK Signature Scheme v3 block.

Method Summary

Modifier and Type	Method	Description
int	getMinorVersion()	Get the minor signature scheme version.
protected void	parse(int available)	Parse signer records from the current buffer.

Methods inherited from class com.pnfsoftware.jeb.core.units.code.android.APKSigSchemeV2Block

algoIdToString, getSigners, readBytes, readInt, readSize, skipAndWarnIfNonZero, skipBytes, toString, verifyZero

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

PROOF_OF_ROTATION_ATTR_ID

public static final int PROOF_OF_ROTATION_ATTR_ID

Proof-of-rotation additional attribute identifier.

See Also:

• Constant Field Values

ROTATION_MIN_SDK_VERSION_ATTR_ID

public static final int ROTATION_MIN_SDK_VERSION_ATTR_ID

Rotation minimum SDK version additional attribute identifier.

See Also:

• Constant Field Values

ROTATION_ON_DEV_RELEASE_ATTR_ID

public static final int ROTATION_ON_DEV_RELEASE_ATTR_ID

Rotation-on-development-release additional attribute identifier.

See Also:

• Constant Field Values

Constructor Details

APKSigSchemeV3Block

public APKSigSchemeV3Block(ByteBuffer b)

Create and parse an APK Signature Scheme v3 block.

Parameters:

b - raw v3 signature block data

APKSigSchemeV3Block

public APKSigSchemeV3Block(ByteBuffer b,
 int minorVersion)

Create and parse an APK Signature Scheme v3 block.

Parameters:

b - raw v3 signature block data

minorVersion - minor signature scheme version

Method Details

getMinorVersion

public int getMinorVersion()

Get the minor signature scheme version.

Returns:

the minor version: 0 for a 3.0 signing block, 1 for a 3.1 signing block

parse

protected void parse(int available)

Description copied from class: APKSigSchemeV2Block

Parse signer records from the current buffer.

Overrides:

parse in class APKSigSchemeV2Block

Parameters:

available - number of bytes available in the block