CRC Polynomial Zoo

Philip Koopman, Carnegie Mellon University

Best CRCs | CRC Selection | CRC Zoo | Checksum and CRC Blog

Select # Bits in CRC below (see also NOTES PAGE):
3,  4,  5,  6,  7,  8,  9,  10,  11,  12,  13,  14,  15,
16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
32,  33-36,  37-40,  41-44,  45-48,  49-52,  53-56,  57-60,  61-63,  64

20 Bit CRCs:

• (0xb5827; 0x16b04f) <=> (0xf20d6; 0x1e41ad) {1048555,5061,195,50,18,11,8,4,4} | gold | (*p) CRC-20K/3.1
• (0xb46b7; 0x168d6f) <=> (0xf6b16; 0x1ed62d) {1048555,2629,72,46,29,27,9,2,2,2,2} | gold | (*p)CRC-20K/3.5
• (0xc4d87; 0x189b0f) <=> (0xf0d91; 0x1e1b23) {1048555,1845,281,29,22,11,11,11,1} | gold | (*p) CRC-20K/3.7
• (0xaf56f; 0x15eadf) <=> (0xfb57a; 0x1f6af5) {1048555,1080,371,51,27,8,2,2,2,2,2,2,1} | gold | (*p) CRC-20K/3.2
• (0xcdef9; 0x19bdf3) <=> (0xcfbd9; 0x19f7b3) {1048555,766,272,113,20,10,10,4,1,1,1,1,1} | gold | (*p) CRC-20K/3.3
• (0xba24b; 0x174497) <=> (0xe922e; 0x1d245d) {1048555,625,157,41,29,15,15,3,3} | gold | (*p) CRC-20K/3.6
• (0xafcdb; 0x15f9b7) <=> (0xed9fa; 0x1db3f5) {1048555,429,85,29,12,12,8,7,7,2,1,1,1} | gold | (*p) CRC-20K/3.8
• (0xa88c9; 0x151193) <=> (0xc988a; 0x193115) {1048555,285,146,68,48,16,4} | gold | (*p) CRC-20K/3.4
• (0x80004; 0x100009) <=> (0x90000; 0x120001) {1048555} | gold | (*p) FP-20

• (0xc1acf; 0x18359f) <=> (0xf9ac1; 0x1f3583) {524267,524267,294,294,24,24,3,3,1,1} | gold | (*op) CRC-20K/4
• (0x8003a; 0x100075) <=> (0xae000; 0x15c001) {524267,524267,74,74} | gold | (*op) FOP-20

• (0x80071; 0x1000e3) <=> (0xc7000; 0x18e001) {393193,393193,229,229} | gold | (*o) CRC-20K/6sub8
• (0x8810e; 0x11021d) <=> (0xb8408; 0x170811) {65515,1685,176,66,49} | gold | CRC-20K/7
• (0x9d587; 0x13ab0f) <=> (0xf0d5c; 0x1e1ab9) {64877,64877,118,118,13,13,8,8,7,7} | gold | (*o) CRC-20K/12
• (0xe2023; 0x1c4047) <=> (0xe2023; 0x1c4047) {1006,1006,494,494,20,20} | gold | (*o) CRC-20K/6
• (0xc8a89; 0x191513) <=> (0xc8a89; 0x191513) {1005,1005,1005,105,28,10,4} | gold | CRC-20K/5
• (0xd41cf; 0x1a839f) <=> (0xf9c15; 0x1f382b) {106,106,46,46,45,45,6,6,1,1} | gold | (*o) CRC-20K/8
• (0xbe73e; 0x17ce7d) <=> (0xbe73e; 0x17ce7d) {21,21,21,21,21,21,21,4,1,1,1,1,1} | gold | CRC-20K/9
• (0xe6233; 0x1cc467) <=> (0xe6233; 0x1cc467) {13,13,13,13,13,13,13,13,1} | gold | CRC-20K/10
• (0x8d3cc; 0x11a799) <=> (0x99e58; 0x133cb1) {11,11,11,11,11,11,11,11,11} | gold | CRC-20K/11

HD profile for all unique 20-bit CRCs (zip format)

See the NOTES PAGE for interpreting this data. Last update 3/9/2024.

This work is copyright 2015-2024 by Philip Koopman. Licensed under a Creative Commons Attribution 4.0 International License.