Any ideas?
On Thu, Oct 29, 2009 at 1:33 PM, BAI LI <[email protected]> wrote:
> Hi,
>
> I am currently designing a authentication protocol in sensor networks. I
> have defined the follwoing variables:
>
> //on the sender side:
>
> uint64_t hash=0;
> uint8_t payload[8];
>
> //break the 64 bit hash down into eight 8-bit paylaod for sending purpose
> for(i=0;i<=10;i++){
> payload[0]=(uint8_t)(st[i].hash>>56);
> payload[1]=(uint8_t)(st[i].hash>>48);
> payload[2]=(uint8_t)(st[i].hash>>40);
> payload[3]=(uint8_t)(st[i].hash>>32);
> payload[4]=(uint8_t)(st[i].hash>>24);
> payload[5]=(uint8_t)(st[i].hash>>16);
> payload[6]=(uint8_t)(st[i].hash>>8);
> payload[7]=(uint8_t)st[i].hash;
> }
>
> when i compiled the code, there is no error.
> ===================================
> //on the receiver side,
> uint64_t receivedhash=0;
> uint8_t receivedpayload[9];
>
> receivedhash=(uint64_t)msdu[0]<<56
> +(uint64_t)msdu[1]<<48
> +(uint64_t)msdu[2]<<40
> +(uint64_t)msdu[3]<<32
> +(uint64_t)msdu[4]<<24
> +(uint64_t)msdu[5]<<16
> +(uint64_t)msdu[6]<<8
> +(uint64_t)msdu[7];
>
> when i compiled the code, i got the following error: I have tested the
> different portions of code and make sure the problem comes from the above
> piece.
>
> hashtesting.nc:906: internal error: Segmentation fault
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://gcc.gnu.org/bugs.html <http://gcc.gnu.org/bugs.html>> for
> instructions.
> make: *** [exe0] Error 1
>
> Anyone can help me out? I have tried the whole morning with no luck. Thanks
> in advance.
>
> Regards,
> Bai
>
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