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How 2 send continous block of 16 bytes fr PC 2 PIC serially?

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ganavel9783

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hi guys,

i'm working on a project to encrypt text files from PC using PIC16f877.the encryption algorithm i'm using is AES.the encryption algorithm code for the PIC is implemented to work with block of 16 bytes of data.so i need to send continous block of 16 bytes of data to be encrypted and sent back to PC to display the cipher text.

I do realise that i need to implement buffers to transmit and receive 16 bytes blocks of data to be encrypted by the PIC.

1) So do i need to use buffers as well from the PC side to send continous blocks of 16 bytes serially to the PIC? (I'm using Visual C++ on the PC side.)
2) How do i implement this task?
3) Any code examples?

Regards,
ganavel9783
 

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