[xmlsec] Regarding error got when verifying the Hmac key signed document.

[Aleksey Sanin]

It's hard to say exactly what is the problem since not enough
information is provided, but from the code snippet, it looks
like you are re-using dsigCtx which is a bad idea.

Regardless, you have the code and debugger so you are in the best
position to figure it out.

Aleksey

On 9/27/13 4:09 AM, Venkataragavan Vijayakumar wrote:
> Hi All,
> 
> I have written a code which will sign a particular element in a document
> using xpath node, And it is successfully signed the element, but while
> verifying the signed element it throws error.
> 
> Following is the code written
> 
>    
>  dsigCtx = xmlSecDSigCtxCreate(NULL);
>  
>  dsigCtx->signKey = CreateHmacKey(keybuf, keysize);
> 
>   /*signing */
> 
>  xmlSecDSigCtxSign(dsigCtx, g_SignatureNode)  ; //Signing is perfect and
> i am getting the signed document.
> 
>  /* Verify signature */
> 
>  xmlSecDSigCtxVerify(dsigCtx, g_SignatureNode) // Execution fails here.
> 
> and then trows error:
>  func=xmlSecDSigCtxProcessSignatureNode:file=xmldsig.c:line=463:obj=unknown:subj=dsigCtx->signValueNode
> == NULL:error=100:assertion:
> func=xmlSecDSigCtxVerify:file=xmldsig.c:line=366:obj=unknown:subj=xmlSecDSigCtxSigantureProcessNode:error=1:xmlsec
> library function failed:
> 
> Please correct me , if i am doing anything wrong.
> 
> Thanks,
> Venkat.
> 
> 
> 
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