QuickHash Library Type Library

TIGER_Final

void TIGER_Final( [in, out]TIGER_Context* pContext, [out]TIGER_Digest* pDigest );
 

Parameters

pContext

    [in/out] A memory buffer that is used as the context.

     Note. All predefined types are specified in the Predefined Types List.

 pDigest

    [out] A memory buffer that will receive the message digest.

     Note. All predefined types are specified in the Predefined Types List.

Remarks

Call this function to retrieve the TIGER message digest from the pContext context. The digest is retrieved in the pDigest memory buffer.

After the TIGER_Final function is performed, the context is initialized for new calculations, as it would be called TIGER_Init again.

Note. Before the first call to TIGER_Update, TIGER_UpdateStr, TIGER_Final or TIGER_FinalHex functions, the context must be initialized with TIGER_Init.

VB Example

Private Sub MyButton_Click()   
    Dim Context As TIGER_Context
    Dim Digest As TIGER_Digest
    Dim MyStrData As String
    MyStrData = "Hello World!"
    Dim nLen As Long
    nLen = Len(MyStrData)
    'Convert the string to byte array
    Dim MyBinData() As Byte
    ReDim MyBinData(1 To nLen)    
    For i = 1 To nLen
        MyBinData(i) = Asc(Mid(MyStrData, i, 1))
    Next i    
    'Initialize the context
    TIGER_Init Context
    'Update the context with first part
    Dim nFirstLen As Long
    nFirstLen = nLen / 3
    TIGER_Update Context, MyBinData(1), nFirstLen
    'Update the context with second part
    TIGER_Update Context, MyBinData(nFirstLen + 1), nLen - nFirstLen
    'Get the digest
    TIGER_Final Context, Digest
    'Show the hexadecimal representation of the digest
    MsgBox QHASH_ConvertToHex(Digest.Value(0), TIGER_DIGESTSIZE, True)
End Sub

 

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See Also    TIGER_FinalHex, TIGER_Update, TIGER_UpdateStr, TIGER_Init, QHASH_ConvertToHex


 

 

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