org.demoiselle.signer.policy.impl.cades.pkcs7

Interface PKCS7Checker

All Superinterfaces:

Checker

All Known Implementing Classes:

CAdESChecker

public interface PKCS7Checker
extends Checker

Basic specification for implementing digital signatures in PKCS7 Format.

Method Summary

Modifier and Type	Method and Description
List<SignatureInformations>	checkAttachedSignature(byte[] signedData) Check a digital signature with attached content, informed by parameter signedData
List<SignatureInformations>	checkSignatureByHash(String digestAlgorithmOID, byte[] calculatedHashContent, byte[] signedData) Check a digital detached signature, informed by parameter signedData, based on calculated hash from content
AttachedContentValidation	getAttached(byte[] signed, boolean validate) Extracts the signed content from the digital signature structure, if it is a signature with attached content.
List<SignatureInformations>	getSignaturesInfo() get Signature Information for a checked signature

Methods inherited from interface org.demoiselle.signer.policy.impl.cades.Checker

checkDetachedSignature

Method Detail

getAttached

AttachedContentValidation getAttached(byte[] signed,
                                      boolean validate)

Extracts the signed content from the digital signature structure, if it is a signature with attached content.

Parameters:

signed - signed content

validate - TRUE (to execute validation) or FALSE (not execute validation)

Returns:

signed content

checkAttachedSignature

List<SignatureInformations> checkAttachedSignature(byte[] signedData)

Check a digital signature with attached content, informed by parameter signedData

Specified by:

checkAttachedSignature in interface Checker

Parameters:

signedData - attached signature to be checked

Returns:

List<SignatureInformations> list of signature informations

checkSignatureByHash

List<SignatureInformations> checkSignatureByHash(String digestAlgorithmOID,
                                                 byte[] calculatedHashContent,
                                                 byte[] signedData)

Check a digital detached signature, informed by parameter signedData, based on calculated hash from content

Specified by:

checkSignatureByHash in interface Checker

Parameters:

digestAlgorithmOID - OID of algorithm used to calculate a hash from content (ex: 2.16.840.1.101.3.4.2.1 )

calculatedHashContent - calculated hash

signedData - detached signature

Returns:

List<SignatureInformations> list of signature informations

getSignaturesInfo

List<SignatureInformations> getSignaturesInfo()

get Signature Information for a checked signature

Returns:

List<SignatureInformations>