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An Algorithm for Error Correcting Cyclic Redundance Checks

By Bill McDaniel, June 01, 2003

A straightforward technique to leverage the error-correcting capability inherent in CRCs.
Table 1: Calculation for checksum for 1011 Table 1: Calculation for checksum for 1011 

1000000   0100000   0010000   0001000   0000100   0000010   0000001 
1011      1011      1011      1011      1011      1011      1011 
0011000   0100000   0010000   0001000   0000100   0000010   0000001 
 1011      1011      1011      1011      1011      1011      1011 
0011000   0001100   0010000   0001000   0000100   0000010   0000001 
  1011      1011      1011      1011      1011      1011      1011 
0001110   0001100   0000110   0001000   0000100   0000010   0000001 
   1011      1011      1011      1011      1011      1011      1011 
0000101   0000111   0000110   0000011   0000100   0000010   0000001 
    
      5         7         6         3         4         2         1



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