[C#]
    TElCustomCryptoContext HashInit(int Algorithm, TElCustomCryptoKey Key, TElCPParameters Params, TSBProgressFunc ProgressFunc, Object ProgressData);
    TElCustomCryptoContext HashInit(byte[] AlgOID, byte[] AlgParams, TElCustomCryptoKey Key, TElCPParameters Params, TSBProgressFunc ProgressFunc, Object ProgressData);

[VB.NET]
    Function HashInit(ByVal Algorithm As Integer, ByVal Key As TElCustomCryptoKey, ByVal Params As TElCPParameters, ByVal ProgressFunc As TSBProgressFunc, ByVal ProgressData As Object) As TElCustomCryptoContext
    Function HashInit(ByVal AlgOID As Byte(), ByVal AlgParams As Byte(), ByVal Key As TElCustomCryptoKey, ByVal Params As TElCPParameters, ByVal ProgressFunc As TSBProgressFunc, ByVal ProgressData As Object) As TElCustomCryptoContext

[Pascal]
    function HashInit(Algorithm : integer; Key : TElCustomCryptoKey; Params : TElRelativeDistinguishedName = nil; ProgressFunc : TSBProgressFunc = nil; ProgressData : pointer = nil) : TElCustomCryptoContext; virtual; abstract;
    function HashInit(const AlgOID : ByteArray; const AlgParams : ByteArray; Key : TElCustomCryptoKey; Params : TElRelativeDistinguishedName = nil; ProgressFunc : TSBProgressFunc = nil; ProgressData : pointer = nil) : TElCustomCryptoContext; virtual; abstract;

[C++]
    TElCustomCryptoContextHandle HashInit(int32_t Algorithm, TElCustomCryptoKey &Key, TElRelativeDistinguishedName &Params, TSBProgressFunc pMethodProgressFunc, void * pDataProgressFunc, void * ProgressData);
    TElCustomCryptoContextHandle HashInit(int32_t Algorithm, TElCustomCryptoKey *Key, TElRelativeDistinguishedName *Params, TSBProgressFunc pMethodProgressFunc, void * pDataProgressFunc, void * ProgressData);
    TElCustomCryptoContextHandle HashInit(const std::vector<uint8_t> &AlgOID, const std::vector<uint8_t> &AlgParams, TElCustomCryptoKey &Key, TElRelativeDistinguishedName &Params, TSBProgressFunc pMethodProgressFunc, void * pDataProgressFunc, void * ProgressData);
    TElCustomCryptoContextHandle HashInit(const std::vector<uint8_t> &AlgOID, const std::vector<uint8_t> &AlgParams, TElCustomCryptoKey *Key, TElRelativeDistinguishedName *Params, TSBProgressFunc pMethodProgressFunc, void * pDataProgressFunc, void * ProgressData);

[PHP]
    TElCustomCryptoContext HashInit(integer $Algorithm, TElCustomCryptoKey $Key, TElRelativeDistinguishedName $Params, TSBProgressFunc|callable|NULL $ProgressFunc, TSBPointer|array of byte|string|NULL $ProgressData)
    TElCustomCryptoContext HashInit(array of byte|string|NULL $AlgOID, array of byte|string|NULL $AlgParams, TElCustomCryptoKey $Key, TElRelativeDistinguishedName $Params, TSBProgressFunc|callable|NULL $ProgressFunc, TSBPointer|array of byte|string|NULL $ProgressData)

[Java]
    TElCustomCryptoContext hashInit(byte[] arg0, byte[] arg1, TElCustomCryptoKey arg2, TElCPParameters arg3, TSBProgressFunc arg4, TObject arg5);
    TElCustomCryptoContext hashInit(int arg0, TElCustomCryptoKey arg1, TElCPParameters arg2, TSBProgressFunc arg3, TObject arg4);