Notation | |
---|---|
PTj | Patient j |
HCPi | Health Care Provider i |
ITA | Identifier Translation Agency |
PR | Population Register |
DRi | Disease Register i |
NHEPID | Personal identifying deatils for a Notifiable Health Event |
NHEMED | Medical details for a Notifiable Health Event |
{NHEPID}KPR | NHEPID encrypted with the public key of PR |
{NHEMED}KDRi | NHEMED encrypted with the public key of DRi |
N | A nonce (number-used-once) |
prlu() | Population Register look-up, returns a PRID |
PRID | Population Register ID number |
italu() | Identifier Translation Agency look-up, returns a PDRID |
drlu() | Returns the name of a Disease Register, given a nonce |
PDRID | person/Disease Register-specific ID number |
drup() | Updates a Disease Register database with the NHEMED for a particular PDRID. |
Protocol | |
1. | PTj → HCPi : NHEPID,NHEMED |
2. | HCP → ITA : {{NHEPID}KPR,{NHEMED}KDRi }KITA |
3. | ITA → PR : {{NHEPID}KPR, N}KPR |
4. | PR : PRID = prlu(NHEPID) |
5. | PR → ITA : {PRID,N}KITA |
6. | ITA : PDRID = italu(PRID, drlu(N)) |
7. | ITA → DRi : { PDRID,N,{NHEMED}KDRi }KDRi |
8. | DRi : drup(PDRID,N,NHEMED) |