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

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

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

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

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

[Java]
    TElCustomCryptoContext signInit(byte[] arg0, byte[] arg1, TElCustomCryptoKey arg2, boolean arg3, TElCPParameters arg4, TSBProgressFunc arg5, TObject arg6);
    TElCustomCryptoContext signInit(int arg0, TElCustomCryptoKey arg1, boolean arg2, TElCPParameters arg3, TSBProgressFunc arg4, TObject arg5);