Package com.itextpdf.signatures

Class SignUtils

  • final class SignUtils
extends java.lang.Object

    • Nested Class Summary

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

    • Constructor Summary

      Constructors 
      Constructor Description
      SignUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      (package private) static java.util.Date add180Sec​(java.util.Date date)  
      (package private) static boolean checkIfIssuersMatch​(ICertificateID certID, java.security.cert.X509Certificate issuerCert)  
      (package private) static java.security.cert.Certificate generateCertificate​(java.io.InputStream data, java.security.Provider provider)  
      (package private) static ICertificateID generateCertificateId​(java.security.cert.X509Certificate issuerCert, java.math.BigInteger serialNumber, IASN1ObjectIdentifier identifier)  
      (package private) static ICertificateID generateCertificateId​(java.security.cert.X509Certificate issuerCert, java.math.BigInteger serialNumber, IAlgorithmIdentifier digestAlgorithmIdentifier)  
      (package private) static IOCSPReq generateOcspRequestWithNonce​(ICertificateID id)  
      (package private) static java.lang.Iterable<java.security.cert.X509Certificate> getCertificates​(java.security.KeyStore keyStore)  
      (package private) static java.lang.Iterable<java.security.cert.X509Certificate> getCertsFromOcspResponse​(IBasicOCSPResp ocspResp)  
      (package private) static byte[] getExtensionValueByOid​(java.security.cert.CRL crl, java.lang.String oid)  
      (package private) static byte[] getExtensionValueByOid​(java.security.cert.X509Certificate certificate, java.lang.String oid)  
      (package private) static <T> T getFirstElement​(java.lang.Iterable<T> iterable)  
      (package private) static java.io.InputStream getHttpResponse​(java.net.URL urlt)  
      (package private) static java.io.InputStream getHttpResponseForOcspRequest​(byte[] request, java.net.URL urlt)  
      (package private) static javax.security.auth.x500.X500Principal getIssuerX500Principal​(IASN1Sequence issuerAndSerialNumber)  
      (package private) static java.security.MessageDigest getMessageDigest​(java.lang.String hashAlgorithm)  
      (package private) static java.security.MessageDigest getMessageDigest​(java.lang.String hashAlgorithm, IExternalDigest externalDigest)  
      (package private) static java.lang.String getPrivateKeyAlgorithm​(java.security.PrivateKey pk)  
      (package private) static java.security.Signature getSignatureHelper​(java.lang.String algorithm, java.lang.String provider)  
      (package private) static java.util.Calendar getTimeStampDate​(ITSTInfo timeStampTokenInfo)  
      (package private) static SignUtils.TsaResponse getTsaResponseForUserRequest​(java.lang.String tsaUrl, byte[] requestBytes, java.lang.String tsaUsername, java.lang.String tsaPassword)  
      (package private) static boolean isSignatureValid​(IBasicOCSPResp validator, java.security.cert.Certificate certStoreX509, java.lang.String provider)  
      (package private) static void isSignatureValid​(ITimeStampToken validator, java.security.cert.X509Certificate certStoreX509, java.lang.String provider)  
      (package private) static java.security.cert.CRL parseCrlFromStream​(java.io.InputStream input)
      Parses a CRL from an InputStream.
      (package private) static java.util.Collection<java.security.cert.Certificate> readAllCerts​(byte[] contentsKey)  
      (package private) static java.util.Collection<java.security.cert.Certificate> readAllCerts​(java.io.InputStream contentsKey, java.security.Provider provider)  
      (package private) static java.util.Collection<java.security.cert.CRL> readAllCRLs​(byte[] contentsKey)  
      (package private) static void setRSASSAPSSParamsWithMGF1​(java.security.Signature signature, java.lang.String digestAlgoName, int saltLen, int trailerField)  
      static void updateVerifier​(java.security.Signature signature, byte[] attr)  
      (package private) static boolean verifyCertificateSignature​(java.security.cert.X509Certificate certificate, java.security.PublicKey issuerPublicKey, java.lang.String provider)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • SignUtils

        SignUtils()

    • Method Detail

      • getPrivateKeyAlgorithm

        static java.lang.String getPrivateKeyAlgorithm​(java.security.PrivateKey pk)

      • parseCrlFromStream

        static java.security.cert.CRL parseCrlFromStream​(java.io.InputStream input)
                                          throws java.security.cert.CertificateException,
                                                 java.security.cert.CRLException
        Parses a CRL from an InputStream.
        Parameters:
        input - The InputStream holding the unparsed CRL.
        Returns:
        the parsed CRL object
        Throws:
        java.security.cert.CertificateException - thrown when no provider has been found for X509
        java.security.cert.CRLException - thrown during parsing the CRL

      • getExtensionValueByOid

        static byte[] getExtensionValueByOid​(java.security.cert.X509Certificate certificate,
                                     java.lang.String oid)

      • getExtensionValueByOid

        static byte[] getExtensionValueByOid​(java.security.cert.CRL crl,
                                     java.lang.String oid)

      • getMessageDigest

        static java.security.MessageDigest getMessageDigest​(java.lang.String hashAlgorithm)
                                             throws java.security.GeneralSecurityException
        Throws:
        java.security.GeneralSecurityException

      • getMessageDigest

        static java.security.MessageDigest getMessageDigest​(java.lang.String hashAlgorithm,
                                                    IExternalDigest externalDigest)
                                             throws java.security.GeneralSecurityException
        Throws:
        java.security.GeneralSecurityException

      • getHttpResponse

        static java.io.InputStream getHttpResponse​(java.net.URL urlt)
                                    throws java.io.IOException
        Throws:
        java.io.IOException

      • getHttpResponseForOcspRequest

        static java.io.InputStream getHttpResponseForOcspRequest​(byte[] request,
                                                         java.net.URL urlt)
                                                  throws java.io.IOException
        Throws:
        java.io.IOException

      • add180Sec

        static java.util.Date add180Sec​(java.util.Date date)

      • getCertsFromOcspResponse

        static java.lang.Iterable<java.security.cert.X509Certificate> getCertsFromOcspResponse​(IBasicOCSPResp ocspResp)

      • readAllCerts

        static java.util.Collection<java.security.cert.Certificate> readAllCerts​(byte[] contentsKey)
                                                                  throws java.security.cert.CertificateException
        Throws:
        java.security.cert.CertificateException

      • readAllCerts

        static java.util.Collection<java.security.cert.Certificate> readAllCerts​(java.io.InputStream contentsKey,
                                                                         java.security.Provider provider)
                                                                  throws java.security.cert.CertificateException
        Throws:
        java.security.cert.CertificateException

      • generateCertificate

        static java.security.cert.Certificate generateCertificate​(java.io.InputStream data,
                                                          java.security.Provider provider)
                                                   throws java.security.cert.CertificateException
        Throws:
        java.security.cert.CertificateException

      • readAllCRLs

        static java.util.Collection<java.security.cert.CRL> readAllCRLs​(byte[] contentsKey)
                                                         throws java.security.cert.CertificateException,
                                                                java.security.cert.CRLException
        Throws:
        java.security.cert.CertificateException
        java.security.cert.CRLException

      • getFirstElement

        static <T> T getFirstElement​(java.lang.Iterable<T> iterable)

      • getIssuerX500Principal

        static javax.security.auth.x500.X500Principal getIssuerX500Principal​(IASN1Sequence issuerAndSerialNumber)
                                                              throws java.io.IOException
        Throws:
        java.io.IOException

      • getTsaResponseForUserRequest

        static SignUtils.TsaResponse getTsaResponseForUserRequest​(java.lang.String tsaUrl,
                                                          byte[] requestBytes,
                                                          java.lang.String tsaUsername,
                                                          java.lang.String tsaPassword)
                                                   throws java.io.IOException
        Throws:
        java.io.IOException

      • getTimeStampDate

        static java.util.Calendar getTimeStampDate​(ITSTInfo timeStampTokenInfo)

      • getSignatureHelper

        static java.security.Signature getSignatureHelper​(java.lang.String algorithm,
                                                  java.lang.String provider)
                                           throws java.security.NoSuchProviderException,
                                                  java.security.NoSuchAlgorithmException
        Throws:
        java.security.NoSuchProviderException
        java.security.NoSuchAlgorithmException

      • setRSASSAPSSParamsWithMGF1

        static void setRSASSAPSSParamsWithMGF1​(java.security.Signature signature,
                                       java.lang.String digestAlgoName,
                                       int saltLen,
                                       int trailerField)
                                throws java.security.InvalidAlgorithmParameterException
        Throws:
        java.security.InvalidAlgorithmParameterException

      • updateVerifier

        public static void updateVerifier​(java.security.Signature signature,
                                  byte[] attr)
                           throws java.security.SignatureException
        Throws:
        java.security.SignatureException

      • verifyCertificateSignature

        static boolean verifyCertificateSignature​(java.security.cert.X509Certificate certificate,
                                          java.security.PublicKey issuerPublicKey,
                                          java.lang.String provider)

      • getCertificates

        static java.lang.Iterable<java.security.cert.X509Certificate> getCertificates​(java.security.KeyStore keyStore)
                                                                       throws java.security.KeyStoreException
        Throws:
        java.security.KeyStoreException