QuickHash Library Type Library

MD5_UpdateStr

void MD5_UpdateStr( [ in,out ]MD5_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 MD5 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 MD5_UpdateStr, call MD5_Final or MD5_FinalHex.

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_Digest
    Dim MyStrData As String
    MyStrData = "Hello World!"
    'Initialize the context
    MD5_Init Context
    'Update the context
    MD5_UpdateStr Context, MyStrData
    'Get the digest
    MD5_Final Context, Digest
    'Show the hexadecimal representation of the digest
    MsgBox QHASH_ConvertToHex(Digest.Value(0), MD5_DIGESTSIZE, True)
End Sub

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See Also    MD5_Update, MD5_Final, MD5_FinalHex, MD5_Init, QHASH_ConvertToHex


 

 

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