es.gob.afirma.signature

Class SignatureFormatDetector

java.lang.Object

es.gob.afirma.signature.SignatureFormatDetector

All Implemented Interfaces:

ISignatureFormatDetector

public final class SignatureFormatDetector
extends java.lang.Object
implements ISignatureFormatDetector

Class that contains all the functionality related to recognize the signature formats.

Project:

Library for the integration with the services of @Firma, eVisor and TS@.

Version:

1.0, 10/11/2014.

Field Summary

Fields inherited from interface es.gob.afirma.signature.ISignatureFormatDetector

CADES_BASIC_FORMAT, FORMAT_ASIC_S_B_LEVEL, FORMAT_ASIC_S_LT_LEVEL, FORMAT_ASIC_S_LTA_LEVEL, FORMAT_ASIC_S_T_LEVEL, FORMAT_CADES_A, FORMAT_CADES_B_LEVEL, FORMAT_CADES_BES, FORMAT_CADES_C, FORMAT_CADES_EPES, FORMAT_CADES_LT_LEVEL, FORMAT_CADES_LTA_LEVEL, FORMAT_CADES_T, FORMAT_CADES_T_LEVEL, FORMAT_CADES_X1, FORMAT_CADES_X2, FORMAT_CADES_XL1, FORMAT_CADES_XL2, FORMAT_CMS, FORMAT_CMS_T, FORMAT_PADES_B_LEVEL, FORMAT_PADES_BASIC, FORMAT_PADES_BES, FORMAT_PADES_EPES, FORMAT_PADES_LT_LEVEL, FORMAT_PADES_LTA_LEVEL, FORMAT_PADES_LTV, FORMAT_PADES_T_LEVEL, FORMAT_PDF, FORMAT_UNRECOGNIZED, FORMAT_XADES_A, FORMAT_XADES_B_LEVEL, FORMAT_XADES_BES, FORMAT_XADES_C, FORMAT_XADES_EPES, FORMAT_XADES_LT_LEVEL, FORMAT_XADES_LTA_LEVEL, FORMAT_XADES_T, FORMAT_XADES_T_LEVEL, FORMAT_XADES_X1, FORMAT_XADES_X2, FORMAT_XADES_XL1, FORMAT_XADES_XL2, PKCS7_BASIC_FORMAT

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getSignatureFormat(byte[] signature) Method that obtains the format of a signature.
static boolean	hasSignaturePolicyIdentifier(org.w3c.dom.Element dsSignature) Method that checks whether a XML signature has SignaturePolicyIdentifier element.
static boolean	hasSignaturePolicyIdentifier(org.bouncycastle.cms.SignerInformation signerInformation) Method that checks whether an ASN.1 signature has SignaturePolicyIdentifier element.
static boolean	isASiCFormat(byte[] signature) Method that indicates if a signature has the ASiC-S format (true) or not (false).
static boolean	isASN1Format(byte[] signature) Method that indicates whether a signature is ASN.1 (true) or not (false).
static boolean	isPAdESBasic(PDFSignatureDictionary signatureDictionary) Method that indicates whether a signature dictionary has PAdES-Basic signature format (true) or not (false).
static boolean	isPAdESBES(PDFSignatureDictionary signatureDictionary) Method that indicates whether a signature dictionary has PAdES-BES signature format (true) or not (false).
static boolean	isPAdESEPES(PDFSignatureDictionary signatureDictionary) Method that indicates whether a signature dictionary has PAdES-EPES signature format (true) or not (false).
static boolean	isPDF(PDFSignatureDictionary signatureDictionary) Method that indicates whether a signature dictionary has PDF signature format (true) or not (false).
static boolean	isPDFFormat(byte[] signature) Method that indicates whether a signature is PDF (true) or not (false).
static boolean	isXMLFormat(byte[] signature) Method that indicates whether a signature is XML (true) or not (false).

Methods inherited from class java.lang.Object

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

Method Detail

getSignatureFormat

public static java.lang.String getSignatureFormat(byte[] signature)

Method that obtains the format of a signature.

Parameters:

signature - Parameter that represents the element to evaluate. This element can be an ASN.1 signature, a XML document, a PDF document or a ZIP file.

Returns:

the signature format of the element. If the element is an ASN.1 signature, the value to return will be on of these:

• ISignatureFormatDetector.FORMAT_CADES_LTA_LEVEL.
• ISignatureFormatDetector.FORMAT_CADES_LT_LEVEL.
• ISignatureFormatDetector.FORMAT_CADES_T_LEVEL.
• ISignatureFormatDetector.FORMAT_CADES_B_LEVEL.
• ISignatureFormatDetector.FORMAT_CADES_A.
• ISignatureFormatDetector.FORMAT_CADES_XL2.
• ISignatureFormatDetector.FORMAT_CADES_XL1.
• ISignatureFormatDetector.FORMAT_CADES_X2.
• ISignatureFormatDetector.FORMAT_CADES_X1.
• ISignatureFormatDetector.FORMAT_CADES_T.
• ISignatureFormatDetector.FORMAT_CADES_C.
• ISignatureFormatDetector.FORMAT_CADES_BES.
• ISignatureFormatDetector.FORMAT_CADES_EPES.
• ISignatureFormatDetector.FORMAT_UNRECOGNIZED.

If the element is a XML document, the value to return will be on of these:

• ISignatureFormatDetector.FORMAT_XADES_LTA_LEVEL.
• ISignatureFormatDetector.FORMAT_XADES_LT_LEVEL.
• ISignatureFormatDetector.FORMAT_XADES_T_LEVEL.
• ISignatureFormatDetector.FORMAT_XADES_B_LEVEL.
• ISignatureFormatDetector.FORMAT_XADES_A.
• ISignatureFormatDetector.FORMAT_XADES_XL2.
• ISignatureFormatDetector.FORMAT_XADES_XL1.
• ISignatureFormatDetector.FORMAT_XADES_X2.
• ISignatureFormatDetector.FORMAT_XADES_X1.
• ISignatureFormatDetector.FORMAT_XADES_T.
• ISignatureFormatDetector.FORMAT_XADES_C.
• ISignatureFormatDetector.FORMAT_XADES_BES.
• ISignatureFormatDetector.FORMAT_XADES_EPES.
• ISignatureFormatDetector.FORMAT_UNRECOGNIZED.

If the element is a PDF document, the value to return will be on of these:

• ISignatureFormatDetector.FORMAT_PADES_LTA_LEVEL.
• ISignatureFormatDetector.FORMAT_PADES_LT_LEVEL.
• ISignatureFormatDetector.FORMAT_PADES_T_LEVEL.
• ISignatureFormatDetector.FORMAT_PADES_B_LEVEL.
• ISignatureFormatDetector.FORMAT_PADES_LTV.
• ISignatureFormatDetector.FORMAT_PADES_EPES.
• ISignatureFormatDetector.FORMAT_PADES_BES.
• ISignatureFormatDetector.FORMAT_PADES_BASIC.
• ISignatureFormatDetector.FORMAT_PDF.
• ISignatureFormatDetector.FORMAT_UNRECOGNIZED.

If the element is a ZIP file, the value to return will be on of these:

• ISignatureFormatDetector.FORMAT_ASIC_S_LTA_LEVEL.
• ISignatureFormatDetector.FORMAT_ASIC_S_LT_LEVEL.
• ISignatureFormatDetector.FORMAT_ASIC_S_T_LEVEL.
• ISignatureFormatDetector.FORMAT_ASIC_S_B_LEVEL.
• ISignatureFormatDetector.FORMAT_UNRECOGNIZED.

isASiCFormat

public static boolean isASiCFormat(byte[] signature)

Method that indicates if a signature has the ASiC-S format (true) or not (false).

Parameters:

signature - Parameter that represents a ZIP file.

Returns:

a boolean that indicates if the signature has the ASiC-S format (true) or not (false).

isASN1Format

public static boolean isASN1Format(byte[] signature)

Method that indicates whether a signature is ASN.1 (true) or not (false).

Parameters:

signature - Parameter that represents the signature to check.

Returns:

a boolean that indicates whether a signature is ASN.1 (true) or not (false).

isXMLFormat

public static boolean isXMLFormat(byte[] signature)

Method that indicates whether a signature is XML (true) or not (false).

Parameters:

signature - Parameter that represents the signature to check.

Returns:

a boolean that indicates whether a signature is XML (true) or not (false).

isPDFFormat

public static boolean isPDFFormat(byte[] signature)

Method that indicates whether a signature is PDF (true) or not (false).

Parameters:

signature - Parameter that represents the signature to check.

Returns:

a boolean that indicates whether a signature is PDF (true) or not (false).

isPAdESEPES

public static boolean isPAdESEPES(PDFSignatureDictionary signatureDictionary)

Method that indicates whether a signature dictionary has PAdES-EPES signature format (true) or not (false).

Parameters:

signatureDictionary - Parameter that represents the signature dictionary.

Returns:

a boolean that indicates whether a signature dictionary has PAdES-EPES signature format (true) or not (false).

isPAdESBES

public static boolean isPAdESBES(PDFSignatureDictionary signatureDictionary)

Method that indicates whether a signature dictionary has PAdES-BES signature format (true) or not (false).

Parameters:

signatureDictionary - Parameter that represents the signature dictionary.

Returns:

a boolean that indicates whether a signature dictionary has PAdES-BES signature format (true) or not (false).

isPAdESBasic

public static boolean isPAdESBasic(PDFSignatureDictionary signatureDictionary)

Method that indicates whether a signature dictionary has PAdES-Basic signature format (true) or not (false).

Parameters:

signatureDictionary - Parameter that represents the signature dictionary.

Returns:

a boolean that indicates whether a signature dictionary has PAdES-Basic signature format (true) or not (false).

isPDF

public static boolean isPDF(PDFSignatureDictionary signatureDictionary)

Method that indicates whether a signature dictionary has PDF signature format (true) or not (false).

Parameters:

signatureDictionary - Parameter that represents the signature dictionary.

Returns:

a boolean that indicates whether a signature dictionary has PDF signature format (true) or not (false).

hasSignaturePolicyIdentifier

public static boolean hasSignaturePolicyIdentifier(org.bouncycastle.cms.SignerInformation signerInformation)

Method that checks whether an ASN.1 signature has SignaturePolicyIdentifier element.

Parameters:

signerInformation - Parameter that represents the information about the signer.

Returns:

a boolean that indicates whether the ASN.1 signature has SignaturePolicyIdentifier element (true) or not (false).

hasSignaturePolicyIdentifier

public static boolean hasSignaturePolicyIdentifier(org.w3c.dom.Element dsSignature)

Method that checks whether a XML signature has SignaturePolicyIdentifier element.

Parameters:

dsSignature - Parameter that represents Signature element.

Returns:

a boolean that indicates whether the XML signature has SignaturePolicyIdentifier element (true) or not (false).