Device for the conversion of a digital block and use of same

A device for converting an initial digital block into an assigned final digital block using at least one freely selectable control block, the initial and final digital blocks each having a first number of digits (N), the device comprising:

• first input means for receiving at least two initial subblocks, wherein the initial digital block is subdivided to form the initial subblocks, the initial subblocks each having a second number of digits (m);
• second input means for receiving at least two control blocks, each control block having the second number of digits (m);
• logic means for performing serial operations of at least two different types upon the initial subblocks and the control blocks, the logic means comprising:
• at least four operation units, each having first and second inputs for receiving blocks to be operated upon and an output for sending an output block resulting from the logical operation performed, the blocks operated upon and the output block each having the second number of digits (m);
• wherein the blocks operated upon by the operation units include the initial subblocks, the control blocks, and the output blocks;
• wherein the majority of the operation units are arranged so that the operation unit which operates upon the output block of a previous operation unit performs an operation different from the previous operation unit;
• and
• wherein the operation units perform the operations selected from and and ;
• and,
• output means for transmitting at least two final subblocks, the final subblocks forming the assigned final digital block, wherein the final subblocks are converted blocks which correspond to the initial subblocks.