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

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

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

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

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

[Java]
    TElCustomCryptoContext verifyInit(byte[] arg0, byte[] arg1, TElCustomCryptoKey arg2, byte[] arg3, int arg4, int arg5, TElCPParameters arg6, TSBProgressFunc arg7, TObject arg8);
    TElCustomCryptoContext verifyInit(int arg0, TElCustomCryptoKey arg1, byte[] arg2, int arg3, int arg4, TElCPParameters arg5, TSBProgressFunc arg6, TObject arg7);