Method and device for calculating a crc code in parallel

2:

• The method as claimed in claim 1, wherein the receiving comprises receiving n segments of the message block in forward order or in reverse order, wherein n is equal to or larger than 2 and wherein at least one segment is received in forward order and at least one segment is received in reverse order.

3:

• The method as claimed in claim 1, wherein the calculating for each of the n segments a respective segment CRC code, comprises processing input bits of a segment in forward order or reverse order by obtaining a respective pre-computed matrix.

4:

• The method as claimed in claim 1, wherein the aligning of each of the segment CRC code comprises:
• obtaining, from a CRC register, a respective power of a matrix M, the matrix M comprising an L by L constant matrix related to the generator polynomial G(x), wherein L is the length of the CRC code, and
• multiplying the respective power of the matrix M with the respective segment CRC code.

5:

• The method as claimed in claim 1, comprising calculating and aligning in parallel the n segments.

6:

• The method as claimed in claim 1, wherein the aligning of a segment CRC code calculated in reverse order comprises shifting the phase to negative side.

8:

• The device as claimed in claim 7, configured to receive by receiving n segments of the message block in forward order or in reverse order, wherein n is equal to or larger than 2 and wherein at least one segment is received in forward order and at least one segment is received in reverse order.

9:

• The device as claimed in claim 7, configured to calculate for each of the n segments a respective segment CRC code, by processing input bits of a segment in forward order or reverse order by obtaining a respective pre-computed matrix.

10:

• The device as claimed in claim 2, configured to align each of the segment CRC code by:
• obtaining, from a CRC register, a respective power of a matrix M, the matrix M comprising an L by L constant matrix related to the generator polynomial G(x), wherein L is the length of the CRC code, and
• multiplying the respective power of the matrix M with the respective segment CRC code.

11:

• The device as claimed in claim 2, configured to calculate and align in parallel the n segments.

12:

• The device as claimed in claim 2, configured to align a segment CRC code calculated in reverse order by shifting the phase to negative side.

(canceled)