Let: 1  K be a secret key. 2  C be a counter. 3  HMAC(K,C) = SHA1(K â 0x5c5câ¦ â¥ SHA1(K â 0x3636â¦ â¥ C)) with â as XOR, â¥ as concatenation, for more details see HMAC (C is the message)  Truncate be a function that selects 4 bytes from the result of the HMAC in a defined manner.
Homefacts City Report. Byars is located in Mcclain County, OK. The population is 152, making Byars the 8th largest city in Mcclain County. There are 1 public schools in Byars with an average Homefacts rating of NA. The total crime rate for Byars is very low, and there are 1 registered sex offenders residing in the city.
In the southwestern part of Oklahoma lies the territory formerly called Greer County. Greer County lies between the two forks of the Red River. On the north is the North Fork of the Red River, and on the south, Prairie Dog Town Fork, which has since been declared the main stream.