Declaration

Delphi

function LoadEncHash(const HashKey: PAnsiChar): Integer; stdcall;

ActiveX

HRESULT _stdcall LoadEncHash([in] BSTR HashKey, [out, retval] long* Value);

Description

This function loads, decrypts and checks the hash sum of a document, allowing to determine whether the document has been modified since sealing or not.

Parameters

Parameters	Description
`HashKey`	Path to the public key file, which has to be used to decrypt the stored hash sum

Return values

Return values	Description
0	Success
1	Error
2	Wrong hash version (may happen when the document was sealed with a newer software version than the current one)
3	Wrong key ID (Public and private keys used for encryption and decryption must match each other by ID)

SignAPI4

LoadEncHash