Package io.getlime.security.powerauth.crypto.server.signature

Class PowerAuthServerSignature

java.lang.Object

io.getlime.security.powerauth.crypto.server.signature.PowerAuthServerSignature

public class PowerAuthServerSignature
extends Object

Class implementing processes PowerAuth Server uses to compute and validate signatures.

Author:

Petr Dvorak

Constructor Summary

Constructors

Constructor	Description
PowerAuthServerSignature()

Method Summary

Modifier and Type	Method	Description
boolean	verifySignatureForData(byte[] data, String signature, List<SecretKey> signatureKeys, byte[] ctrData, SignatureConfiguration signatureConfiguration)	Verify a PowerAuth signature against data using signature key list and counter.

Methods inherited from class java.lang.Object

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

Constructor Details

PowerAuthServerSignature

public PowerAuthServerSignature()

Method Details

verifySignatureForData

public boolean verifySignatureForData(byte[] data,
 String signature,
 List<SecretKey> signatureKeys,
 byte[] ctrData,
 SignatureConfiguration signatureConfiguration)
                               throws GenericCryptoException,
CryptoProviderException

Verify a PowerAuth signature against data using signature key list and counter.

Parameters:

data - Signed data.

signature - Signature for the data.

signatureKeys - Keys used for signature.

ctrData - Hash based counter / derived signing key index.

signatureConfiguration - Format and parameters of signature to verify.

Returns:

Returns "true" if the signature matches, "false" otherwise.

Throws:

GenericCryptoException - In case signature computation fails.

CryptoProviderException - In case cryptography provider is incorrectly initialized.