| package crc16 | |
| /** | |
| * CRC-CCITT (Kermit) | |
| * test data source http://www.lammertbies.nl/comm/info/crc-calculation.html | |
| */ | |
| func Kermit(byteArray []byte) uint16 { | |
| var crc uint16 | |
| for i := 0; i < len(byteArray); i++ { | |
| b := uint16(byteArray[i]) | |
| q := (crc ^ b) & 0x0f | |
| crc = (crc >> 4) ^ (q * 0x1081) | |
| q = (crc ^ (b >> 4)) & 0xf | |
| crc = (crc >> 4) ^ (q * 0x1081) | |
| } | |
| return (crc >> 8) ^ (crc << 8) | |
| } |