QuickHash Library Type Library

MD5_FinalHex

void MD5_FinalHex( [in,out]MD5_Context* pContext,[out]MD5_HexDigest* pDigest, [ in ]boolean bUpper );
 

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 as an ASCII null-terminated string.

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

 bUpper

    [in] Uppercase flag. If bUpper is False, the received message digest represents a lowercase string, otherwise it represents an uppercase string.

Remarks

Call this function to retrieve the MD5 message digest from the pContext context. The digest is retrieved as an ASCII null-terminated hexadecimal string in the pDigest memory buffer.

After the MD5_FinalHex function  is performed, the context is initialized for new calculations, as it would be called MD5_Init again.

Note. Before the first call to MD5_Update, MD5_UpdateStr, MD5_Final or MD5_FinalHex functions, the context must be initialized with MD5_Init.

VB Example

Private Sub MyButton_Click()   
    Dim Context As MD5_Context
    Dim Digest As MD5_HexDigest
    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
    MD5_Init Context
    'Update the context with first part
    Dim nFirstLen As Long
    nFirstLen = nLen / 3
    MD5_Update Context, MyBinData(1), nFirstLen
    'Update the context with second part
    MD5_Update Context, MyBinData(nFirstLen + 1), nLen - nFirstLen
    'Get the digest
    MD5_FinalHex Context, Digest, True
    'Show the hexadecimal representation of the digest
    MsgBox QHASH_ASCIItoBSTR(Digest.Value(0))
End Sub

 

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See Also    MD5_Final, MD5_Update, MD5_UpdateStr, MD5_Init, QHASH_ASCIItoBSTR


 

 

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