com.itextpdf.signatures

Interface IIssuingCertificateRetriever

All Known Implementing Classes:

IssuingCertificateRetriever

public interface IIssuingCertificateRetriever

Interface helper to support retrieving CAIssuers certificates from Authority Information Access (AIA) Extension in order to support certificate chains with missing certificates and getting CRL response issuer certificates.

Method Summary

Modifier and Type	Method and Description
Certificate[]	getCrlIssuerCertificates(CRL crl) Retrieves certificates that can be used to verify the signature on the CRL response using CRL Authority Information Access (AIA) Extension.
Certificate[]	retrieveMissingCertificates(Certificate[] chain) Retrieves missing certificates in chain using certificate Authority Information Access (AIA) Extension.
void	setTrustedCertificates(Collection<Certificate> certificates) Sets trusted certificate list to be used for the missing certificates retrieving by the issuer name.

Method Detail

retrieveMissingCertificates

Certificate[] retrieveMissingCertificates(Certificate[] chain)

Retrieves missing certificates in chain using certificate Authority Information Access (AIA) Extension.

Parameters:

chain - certificate chain to restore with at least signing certificate.

Returns:

full chain of trust or maximum chain that could be restored in case missing certificates cannot be retrieved from AIA extension.

getCrlIssuerCertificates

Certificate[] getCrlIssuerCertificates(CRL crl)

Retrieves certificates that can be used to verify the signature on the CRL response using CRL Authority Information Access (AIA) Extension.

Parameters:

crl - CRL response to retrieve issuer for.

Returns:

certificates retrieved from CRL AIA extension or an empty list in case certificates cannot be retrieved.

setTrustedCertificates

void setTrustedCertificates(Collection<Certificate> certificates)

Sets trusted certificate list to be used for the missing certificates retrieving by the issuer name.

Parameters:

certificates - certificate list for getting missing certificates in chain or CRL response issuer certificates.