checksums.hmac: use SLOT: instead
checksums.hmac: use SLOT: instead

tgunr/factor,tgunr/factor,mrjbq7/factor,tgunr/factor,mrjbq7/factor,factor/factor,mrjbq7/factor,factor/factor,factor/factor,mrjbq7/factor,mrjbq7/factor,tgunr/factor,factor/factor,tgunr/factor,tgunr/factor,factor/factor,factor/factor,mrjbq7/factor