Class SignUtils

java.lang.Object

com.itextpdf.signatures.SignUtils

final class SignUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	SignUtils.TsaResponse

Field Summary

Fields

Modifier and Type	Field	Description
private static final IBouncyCastleFactory	FACTORY

Constructor Summary

Constructors

Constructor	Description
SignUtils()

Method Summary

Modifier and Type	Method	Description
(package private) static Date	add180Sec(Date date)
(package private) static boolean	checkIfIssuersMatch(ICertificateID certID, X509Certificate issuerCert)
(package private) static Certificate	generateCertificate(InputStream data, Provider provider)
(package private) static ICertificateID	generateCertificateId(X509Certificate issuerCert, BigInteger serialNumber, IASN1ObjectIdentifier identifier)
(package private) static ICertificateID	generateCertificateId(X509Certificate issuerCert, BigInteger serialNumber, IAlgorithmIdentifier digestAlgorithmIdentifier)
(package private) static IOCSPReq	generateOcspRequestWithNonce(ICertificateID id)
(package private) static Iterable<X509Certificate>	getCertificates(KeyStore keyStore)
(package private) static Iterable<X509Certificate>	getCertsFromOcspResponse(IBasicOCSPResp ocspResp)
(package private) static byte[]	getExtensionValueByOid(CRL crl, String oid)
(package private) static byte[]	getExtensionValueByOid(X509Certificate certificate, String oid)
(package private) static <T> T	getFirstElement(Iterable<T> iterable)
(package private) static InputStream	getHttpResponse(URL urlt)
(package private) static InputStream	getHttpResponseForOcspRequest(byte[] request, URL urlt)
(package private) static X500Principal	getIssuerX500Principal(IASN1Sequence issuerAndSerialNumber)
(package private) static MessageDigest	getMessageDigest(String hashAlgorithm)
(package private) static MessageDigest	getMessageDigest(String hashAlgorithm, IExternalDigest externalDigest)
(package private) static String	getPrivateKeyAlgorithm(PrivateKey pk)
(package private) static Signature	getSignatureHelper(String algorithm, String provider)
(package private) static Calendar	getTimeStampDate(ITSTInfo timeStampTokenInfo)
(package private) static SignUtils.TsaResponse	getTsaResponseForUserRequest(String tsaUrl, byte[] requestBytes, String tsaUsername, String tsaPassword)
(package private) static boolean	isSignatureValid(IBasicOCSPResp validator, Certificate certStoreX509, String provider)
(package private) static void	isSignatureValid(ITimeStampToken validator, X509Certificate certStoreX509, String provider)
(package private) static CRL	parseCrlFromStream(InputStream input)	Parses a CRL from an InputStream.
(package private) static Collection<Certificate>	readAllCerts(byte[] contentsKey)
(package private) static Collection<Certificate>	readAllCerts(InputStream contentsKey, Provider provider)
(package private) static Collection<CRL>	readAllCRLs(byte[] contentsKey)
(package private) static void	setRSASSAPSSParamsWithMGF1(Signature signature, String digestAlgoName, int saltLen, int trailerField)
static void	updateVerifier(Signature signature, byte[] attr)
(package private) static boolean	verifyCertificateSignature(X509Certificate certificate, PublicKey issuerPublicKey, String provider)

Methods inherited from class Object

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

Field Details

FACTORY

private static final IBouncyCastleFactory FACTORY

Constructor Details

SignUtils

SignUtils()

Method Details

getPrivateKeyAlgorithm

static String getPrivateKeyAlgorithm(PrivateKey pk)

parseCrlFromStream

static CRL parseCrlFromStream(InputStream input)
                       throws CertificateException,
CRLException

Parses a CRL from an InputStream.

Parameters:

input - The InputStream holding the unparsed CRL.

Returns:

the parsed CRL object

Throws:

CertificateException - thrown when no provider has been found for X509

CRLException - thrown during parsing the CRL

getExtensionValueByOid

static byte[] getExtensionValueByOid(X509Certificate certificate,
 String oid)

getExtensionValueByOid

static byte[] getExtensionValueByOid(CRL crl,
 String oid)

getMessageDigest

static MessageDigest getMessageDigest(String hashAlgorithm)
                               throws GeneralSecurityException

Throws:

GeneralSecurityException

getMessageDigest

static MessageDigest getMessageDigest(String hashAlgorithm,
 IExternalDigest externalDigest)
                               throws GeneralSecurityException

Throws:

GeneralSecurityException

getHttpResponse

static InputStream getHttpResponse(URL urlt)
                            throws IOException

Throws:

IOException

generateCertificateId

static ICertificateID generateCertificateId(X509Certificate issuerCert,
 BigInteger serialNumber,
 IAlgorithmIdentifier digestAlgorithmIdentifier)
                                     throws AbstractOperatorCreationException,
CertificateEncodingException,
AbstractOCSPException

Throws:

AbstractOperatorCreationException

CertificateEncodingException

AbstractOCSPException

generateCertificateId

static ICertificateID generateCertificateId(X509Certificate issuerCert,
 BigInteger serialNumber,
 IASN1ObjectIdentifier identifier)
                                     throws AbstractOperatorCreationException,
CertificateEncodingException,
AbstractOCSPException

Throws:

AbstractOperatorCreationException

CertificateEncodingException

AbstractOCSPException

generateOcspRequestWithNonce

static IOCSPReq generateOcspRequestWithNonce(ICertificateID id)
                                      throws IOException,
AbstractOCSPException

Throws:

IOException

AbstractOCSPException

getHttpResponseForOcspRequest

static InputStream getHttpResponseForOcspRequest(byte[] request,
 URL urlt)
                                          throws IOException

Throws:

IOException

isSignatureValid

static boolean isSignatureValid(IBasicOCSPResp validator,
 Certificate certStoreX509,
 String provider)
                         throws AbstractOperatorCreationException,
AbstractOCSPException

Throws:

AbstractOperatorCreationException

AbstractOCSPException

isSignatureValid

static void isSignatureValid(ITimeStampToken validator,
 X509Certificate certStoreX509,
 String provider)
                      throws AbstractOperatorCreationException,
AbstractTSPException

Throws:

AbstractOperatorCreationException

AbstractTSPException

checkIfIssuersMatch

static boolean checkIfIssuersMatch(ICertificateID certID,
 X509Certificate issuerCert)
                            throws CertificateEncodingException,
IOException,
AbstractOCSPException,
AbstractOperatorCreationException

Throws:

CertificateEncodingException

IOException

AbstractOCSPException

AbstractOperatorCreationException

add180Sec

static Date add180Sec(Date date)

getCertsFromOcspResponse

static Iterable<X509Certificate> getCertsFromOcspResponse(IBasicOCSPResp ocspResp)

readAllCerts

static Collection<Certificate> readAllCerts(byte[] contentsKey)
                                     throws CertificateException

Throws:

CertificateException

readAllCerts

static Collection<Certificate> readAllCerts(InputStream contentsKey,
 Provider provider)
                                     throws CertificateException

Throws:

CertificateException

generateCertificate

static Certificate generateCertificate(InputStream data,
 Provider provider)
                                throws CertificateException

Throws:

CertificateException

readAllCRLs

static Collection<CRL> readAllCRLs(byte[] contentsKey)
                            throws CertificateException,
CRLException

Throws:

CertificateException

CRLException

getFirstElement

static <T> T getFirstElement(Iterable<T> iterable)

getIssuerX500Principal

static X500Principal getIssuerX500Principal(IASN1Sequence issuerAndSerialNumber)
                                     throws IOException

Throws:

IOException

getTsaResponseForUserRequest

static SignUtils.TsaResponse getTsaResponseForUserRequest(String tsaUrl,
 byte[] requestBytes,
 String tsaUsername,
 String tsaPassword)
                                                   throws IOException

Throws:

IOException

getTimeStampDate

static Calendar getTimeStampDate(ITSTInfo timeStampTokenInfo)

getSignatureHelper

static Signature getSignatureHelper(String algorithm,
 String provider)
                             throws NoSuchProviderException,
NoSuchAlgorithmException

Throws:

NoSuchProviderException

NoSuchAlgorithmException

setRSASSAPSSParamsWithMGF1

static void setRSASSAPSSParamsWithMGF1(Signature signature,
 String digestAlgoName,
 int saltLen,
 int trailerField)
                                throws InvalidAlgorithmParameterException

Throws:

InvalidAlgorithmParameterException

updateVerifier

public static void updateVerifier(Signature signature,
 byte[] attr)
                           throws SignatureException

Throws:

SignatureException

verifyCertificateSignature

static boolean verifyCertificateSignature(X509Certificate certificate,
 PublicKey issuerPublicKey,
 String provider)

getCertificates

static Iterable<X509Certificate> getCertificates(KeyStore keyStore)
                                          throws KeyStoreException

Throws:

KeyStoreException