org.adblockplus.libadblockplus.security

Class JavaSignatureVerifier

java.lang.Object

org.adblockplus.libadblockplus.security.JavaSignatureVerifier

All Implemented Interfaces:

SignatureVerifier

public class JavaSignatureVerifier
extends java.lang.Object
implements SignatureVerifier

Implementation of SignatureVerified that uses Java Security API. Signature is expected to be generated

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	KEY_ALGORITHM
static java.lang.String	SIGNATURE_ALGORITHM

Constructor Summary

Constructors

Constructor and Description
JavaSignatureVerifier()
JavaSignatureVerifier(java.lang.String signatureAlgorithm)

Method Summary

Modifier and Type	Method and Description
static java.security.PublicKey	publicKeyFromDer(java.lang.String keyAlgorithm, byte[] publicKeyBytes) Create KeySpec for public key bytes in DER format
boolean	verify(java.security.PublicKey publicKey, byte[] data, byte[] signatureBytes) Verify value

Methods inherited from class java.lang.Object

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

Field Detail

KEY_ALGORITHM

public static final java.lang.String KEY_ALGORITHM

See Also:

Constant Field Values

SIGNATURE_ALGORITHM

public static final java.lang.String SIGNATURE_ALGORITHM

See Also:

Constant Field Values

Constructor Detail

JavaSignatureVerifier

public JavaSignatureVerifier(java.lang.String signatureAlgorithm)

JavaSignatureVerifier

public JavaSignatureVerifier()

Method Detail

publicKeyFromDer

public static java.security.PublicKey publicKeyFromDer(java.lang.String keyAlgorithm,
                                                       byte[] publicKeyBytes)
                                                throws SignatureVerificationException

Create KeySpec for public key bytes in DER format

Parameters:

publicKeyBytes - public key bytes

Returns:

KeySpec instance to be used in `verify` method.

Throws:

SignatureVerificationException

verify

public boolean verify(java.security.PublicKey publicKey,
                      byte[] data,
                      byte[] signatureBytes)
               throws SignatureVerificationException

Description copied from interface: SignatureVerifier

Verify value

Specified by:

verify in interface SignatureVerifier

Parameters:

publicKey - public key

data - raw data

signatureBytes - raw signature data

Returns:

value is verified

Throws:

SignatureVerificationException