Package com.itextpdf.signatures

Interface Summary

Interface	Description
ICrlClient	Interface that needs to be implemented if you want to embed Certificate Revocation Lists (CRL) into your PDF.
IExternalDigest	ExternalDigest allows the use of implementations of MessageDigest other than BouncyCastleDigest.
IExternalSignature	Interface that needs to be implemented to do the actual signing.
IExternalSignatureContainer	Interface to sign a document.
IOcspClient	Interface for the Online Certificate Status Protocol (OCSP) Client.
ITSAClient	Time Stamp Authority client (caller) interface.
ITSAInfoBouncyCastle	Interface you can implement and pass to TSAClientBouncyCastle in case you want to do something with the information returned
PdfSigner.ISignatureEvent	An interface to retrieve the signature dictionary for modification.

Class Summary

Class	Description
BouncyCastleDigest	Implementation for digests accessed directly from the BouncyCastle library bypassing any provider definition.
CertificateInfo	Class containing static methods that allow you to get information from an X509 Certificate: the issuer and the subject.
CertificateInfo.X500Name	Class that holds an X509 name.
CertificateInfo.X509NameTokenizer	Class for breaking up an X500 Name into it's component tokens, similar to StringTokenizer.
CertificateUtil	This class contains a series of static methods that allow you to retrieve information from a Certificate.
CertificateVerification	This class consists of some methods that allow you to verify certificates.
CertificateVerifier	Superclass for a series of certificate verifiers that will typically be used in a chain.
CrlClientOffline	An implementation of the CrlClient that handles offline Certificate Revocation Lists.
CrlClientOnline	An implementation of the CrlClient that fetches the CRL bytes from an URL.
CRLVerifier	Class that allows you to verify a certificate against one or more Certificate Revocation Lists.
DigestAlgorithms	Class that contains a map with the different message digest algorithms.
EncryptionAlgorithms	Class that contains a map with the different encryption algorithms.
ExternalBlankSignatureContainer	Produces a blank (or empty) signature.
KeyStoreUtil	Utility class with some KeyStore related methods.
LtvVerification	Add verification according to PAdES-LTV (part 4).
LtvVerifier	Verifies the signatures in an LTV document.
OcspClientBouncyCastle	OcspClient implementation using BouncyCastle.
OCSPVerifier	Class that allows you to verify a certificate against one or more OCSP responses.
OID	Class containing all the OID values used by iText.
OID.X509Extensions	Contains all OIDs used by iText in the context of Certificate Extensions.
PdfPKCS7	This class does all the processing related to signing and verifying a PKCS#7 signature.
PdfSignature	Represents the signature dictionary.
PdfSignatureApp	A dictionary that stores the name of the application that signs the PDF.
PdfSignatureAppearance	Provides convenient methods to make a signature appearance.
PdfSignatureBuildProperties	Dictionary that stores signature build properties.
PdfSigner	Takes care of the cryptographic options and appearances that form a signature.
PrivateKeySignature	Implementation of the IExternalSignature interface that can be used when you have a PrivateKey object.
ProviderDigest	This class will return the MessageDigest associated with a certain hashing algorithm returned by the specified provider.
RootStoreVerifier	Verifies a certificate against a KeyStore containing trusted anchors.
SecurityIDs	A list of IDs that are used by the security classes
SignaturePermissions	A helper class that tells you more about the type of signature (certification or approval) and the signature's DMP settings.
SignaturePolicyInfo	Class that encapsulates the signature policy information Sample: SignaturePolicyInfo spi = new SignaturePolicyInfo("2.16.724.1.3.1.1.2.1.9", "G7roucf600+f03r/o0bAOQ6WAs0=", "SHA-1", "https://sede.060.gob.es/politica_de_firma_anexo_1.pdf");
SignatureUtil	Utility class that provides several convenience methods concerning digital signatures.
TimestampConstants
TSAClientBouncyCastle	Time Stamp Authority Client interface implementation using Bouncy Castle org.bouncycastle.tsp package.
VerificationOK	Class that informs you that the verification of a Certificate succeeded using a specific CertificateVerifier and for a specific reason.

Enum Summary

Enum	Description
LtvVerification.CertificateInclusion	Certificate inclusion in the DSS and VRI dictionaries in the CERT and CERTS keys.
LtvVerification.CertificateOption	Options for how many certificates to include.
LtvVerification.Level	What type of verification to include.
PdfSignatureAppearance.RenderingMode	Signature rendering modes.
PdfSigner.CryptoStandard	Enum containing the Cryptographic Standards.

Exception Summary

Exception	Description
VerificationException	An exception that is thrown when something is wrong with a certificate.