The object returned will be unmarshalled around the decrypted DOM element in a * new Document owned by the object. * + *
The final boolean parameter is used to enforce a requirement for an authenticated cipher + * suite such as AES-GCM or similar. These ciphers include an HMAC or equivalent step that + * prevents tampering. Newer applications should set this parameter to true unless the ciphertext + * has been independently authenticated, and even in such a case, it is rarely possible to prevent + * chosen ciphertext attacks by trusted signers. + * * @param credResolver locked resolver supplying decryption keys * @param recipient identifier naming the recipient (the entity performing the decryption) * @param criteria optional external criteria to use with resolver + * @param requireAuthenticatedCipher true iff the bulk data encryption algorithm must be an authenticated cipher * @return the decrypted and unmarshalled object */ virtual xmltooling::XMLObject* decrypt( - const xmltooling::CredentialResolver& credResolver, const XMLCh* recipient, xmltooling::CredentialCriteria* criteria=nullptr + const xmltooling::CredentialResolver& credResolver, + const XMLCh* recipient, + xmltooling::CredentialCriteria* criteria=nullptr, + bool requireAuthenticatedCipher=false ) const; END_XMLOBJECT;