Function gf2^256mult finds product of two elements, a and b, of a field GF(2256).
The output, c=ab, is
written onto the last 256 bits. Inputs a and b must remain unchanged.
| Primitive polynomial | Picture | Machine-readable version | Model | Garbage | Gate count | Quantum cost | Author(s) | Date |
| x256+x10+x5+x2+1 | N/A (too large) | here | CNT | 512 | 66,301 | 328,445 | D. Cheung, D. Maslov, J. Mathew, and D. K. Pradhan | July, 2010 |