org.apache.poi.poifs.crypt.dsig
Interfaces 
SignatureConfig.SignatureConfigurable
Classes 
DigestInfo
KeyInfoKeySelector
OOXMLURIDereferencer
SignatureConfig
SignatureInfo
SignatureMarshalListener
Exceptions 
CertificateSecurityException
ExpiredCertificateSecurityException
RevokedCertificateSecurityException
TrustCertificateSecurityException