Foxit PDF SDK
<FSSignatureCallback> 成员列表

成员的完整列表，这些成员属于 <FSSignatureCallback>,包括所有继承而来的类成员

- checkCertificateValidity:cert_password:client_data:<FSSignatureCallback>
- continueCalcDigest:client_data:<FSSignatureCallback>
- getDigest:<FSSignatureCallback>
- isNeedPadData<FSSignatureCallback>
- sign:cert_file_stream:cert_password:digest_algorithm:client_data:<FSSignatureCallback>
- sign:cert_path:cert_password:digest_algorithm:client_data:<FSSignatureCallback>
- startCalcDigest:byte_range_array:signature:client_data:<FSSignatureCallback>
- verifySigState:signed_data:client_data:<FSSignatureCallback>