QuickHash Library Type Library

MD4_UpdateStr

void MD4_UpdateStr( [ in,out ]MD4_Context* pContext, [ in , string ] unsigned char* pSrc );

Parameters

pContext

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

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

 pSrc

    [in] A null-terminated string with which to update the context.

Remarks

Updates (based on MD4 hash algorithm) the pContext context with the null-terminated string specified by pSrc. Call this function for each null-terminated string for which the message digest is calculated. To retrieve the digest after using MD4_UpdateStr, call MD4_Final or MD4_FinalHex.

Note. Before the first call to MD4_Update, MD4_UpdateStr, MD4_Final or MD4_FinalHex functions, the context must be initialized with MD4_Init.

VB Example

Private Sub MyButton_Click()   
    Dim Context As MD4_Context
    Dim Digest As MD4_Digest
    Dim MyStrData As String
    MyStrData = "Hello World!"
    'Initialize the context
    MD4_Init Context
    'Update the context
    MD4_UpdateStr Context, MyStrData
    'Get the digest
    MD4_Final Context, Digest
    'Show the hexadecimal representation of the digest
    MsgBox QHASH_ConvertToHex(Digest.Value(0), MD4_DIGESTSIZE, True)
End Sub

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See Also    MD4_Update, MD4_Final, MD4_FinalHex, MD4_Init, QHASH_ConvertToHex


 

 

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