com.guardtime.ksi

Class SignatureReader

java.lang.Object

com.guardtime.ksi.SignatureReader

All Implemented Interfaces:

Reader

public class SignatureReader
extends Object
implements Reader

Implementation of the Reader interface. It can be initialized with user provided verification policy, by default internal verification policy is used.

Constructor Summary

Constructors

Constructor and Description
SignatureReader() Allocates a SignatureReader() object and initializes it so that InternalVerificationPolicy is used for KSISignature consistency verification.
SignatureReader(ContextAwarePolicy policy) Allocates a SignatureReader() object and initializes it so that user provided ContextAwarePolicy is used for KSISignature consistency verification.

Method Summary

Modifier and Type	Method and Description
KSISignature	read(byte[] bytes) Converts byte array to KSISignature.
KSISignature	read(File file) Creates KSISignature from file.
KSISignature	read(InputStream input) Creates KSISignature from input stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

SignatureReader

public SignatureReader()

Allocates a SignatureReader() object and initializes it so that InternalVerificationPolicy is used for KSISignature consistency verification.

SignatureReader

public SignatureReader(ContextAwarePolicy policy)

Allocates a SignatureReader() object and initializes it so that user provided ContextAwarePolicy is used for KSISignature consistency verification.

Method Detail

read

public KSISignature read(InputStream input)
                  throws KSIException

Description copied from interface: Reader

Creates KSISignature from input stream.

Specified by:

read in interface Reader

Parameters:

input - the InputStream to create KSI signature from, must not be null.

Returns:

KSI signature (KSISignature).

Throws:

KSIException - when error occurs (e.g. file contains invalid TLV structures).

read

public KSISignature read(byte[] bytes)
                  throws KSIException

Description copied from interface: Reader

Converts byte array to KSISignature.

Specified by:

read in interface Reader

Parameters:

bytes - bytes to create KSI signature from, must not be null.

Returns:

KSI signature (KSISignature).

Throws:

KSIException - when error occurs (e.g. file contains invalid TLV structures).

read

public KSISignature read(File file)
                  throws KSIException

Description copied from interface: Reader

Creates KSISignature from file.

Specified by:

read in interface Reader

Parameters:

file - file to create the KSI signature from.

Returns:

KSI signature (KSISignature).

Throws:

KSIException - when error occurs (e.g. file contains invalid TLV structures).