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eLibrary >
BS EN IEC 62055-42:2022 Electricity metering. Payment systems - Transaction Reference Numbers (TRN) >
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BS EN IEC 62055-42:2022 Electricity metering. Payment systems - Transaction Reference Numbers (TRN), 2023
- undefined
- Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, abbreviated terms and notation [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviated terms
- 3.3 Notation
- 4 Numbering conventions in this document
- 5 Reference smart meter model [Go to Page]
- 5.1 Generic functional reference diagram
- Figures [Go to Page]
- Figure 1 – Functional block diagram of a generic payment meter
- 5.2 Token transfer protocol reference model
- Figure 2 – Reference model as a 2-layer collapsed OSI protocol stack
- 5.3 Dataflow from the POSApplicationProcess to the TokenCarrier
- 5.4 Dataflow from the TokenCarrier to the MeterApplicationProcess
- Figure 3 – Generic model of POSApplicationProcess to TokenCarrier
- Figure 4 – Dataflow from the TokenCarrier to the MeterApplicationProcess
- 5.5 MeterFunctionObjects / companion specifications
- 6 POSToTokenCarrierInterface application layer protocol [Go to Page]
- 6.1 APDU: ApplicationProtocolDataUnit [Go to Page]
- 6.1.1 Data elements in the APDU
- Tables [Go to Page]
- Table 1 – Basic and derived elements of APDU and TCDU construction [Go to Page]
- 6.1.2 SupplierID
- 6.1.3 MeterID
- 6.1.4 TokenOriginationID
- 6.1.5 MessageIdentifier
- Table 2 – SubClass-wise MessageIdentifier detail and SubClass Functional Class [Go to Page]
- 6.1.6 SequentialTokenNumber (STN)
- 6.1.7 TruncatedSequentialTokenNumber (TSTN)
- 6.1.8 Deducing the MS part of STN and validating TSTN
- Table 3 – Example of defining LN and UN for each SubClass
- Table 4 – Process of validating STN and deducing MS(N)
- Table 5 – Last accepted token example(a)
- Table 6 – Last accepted token example(b) [Go to Page]
- 6.1.9 FunctionIndex
- Table 7 – Last accepted token example(c)
- Table 8 – Last accepted token example(d) [Go to Page]
- 6.1.10 Relating the FunctionIndex and STN
- 6.1.11 SingleTokenPayload
- 6.1.12 SuperTokenPayload
- 6.1.13 MessageAuthenticationCode (MAC) and TruncatedMAC (TMAC)
- Figure 5 – Generic data elements for AAD payload construction for SingleTokenPayload
- Figure 6 – Generic data elements for AAD payload construction for SuperTokenPayload
- Figure 7 – InitializationVector (IV) construction [Go to Page]
- 6.1.14 AdditionalAuthenticationData (AAD)
- 6.1.15 SingleTokenPayload AAD preparation, TMAC derivation and APDU preparation
- Figure 8 – GMAC construction [Go to Page]
- 6.1.16 SuperTokenPayload AAD preparation, TMAC derivation and APDU preparation
- Figure 9 – Class 5 SubClass 8 TMAC derivation and full APDU preparation example
- Figure 10 – Class 5 SubClass 10 TMAC derivation and full APDU preparation example [Go to Page]
- 6.1.17 Offset
- 6.2 Tokens [Go to Page]
- 6.2.1 Token definition and format
- Table 9 – Numeric constants and their purpose [Go to Page]
- 6.2.2 Class 4: RESERVED FOR FUTURE ASSIGNMENT
- 6.2.3 Class 5 tokens
- Table 10 – Token definition and format
- Table 11 – Class 5 SubClass assignment
- Table 12 –SubClass-wise boundaries for Class 5 APDU before encryption
- Table 13 – SubClass-wise boundaries for Class 5 tokens, TCDU after encryption (if applicable) and adding offset (without CheckDigit)
- Table 14 – Class 5 SubClass boundaries for TCDU (reserved space) [Go to Page]
- 6.2.4 Class 5: Unencrypted tokens
- Table 15 – SubClass related FunctionalClass and associated use cases
- Table 16 – SubClass 0: TransferCredit token [Go to Page]
- 6.2.5 Class 5: Encrypted tokens
- Table 17 – SubClass 8: TransferCredit token
- Table 18 – Class 5, SubClass 9: SpecialFunction token
- Table 19 – Service types
- Table 20 – Block 1 of TransferCredit + Function token
- Table 21 – Block 2 to N-1 of N (N > 2) TransferCredit + Function token
- Table 22 – Last block TransferCredit + Function token
- Table 23 – Block 1 for Class 5 SubClass 11 meter generated token structure
- Table 24 – Block 2 for Class 5 SubClass 11 meter generated token structure
- 6.3 Token data elements
- 6.4 TCDU generation functions
- Table 25 – Token data elements
- Figure 11 – TCDU generation for SubClass 0 unencrypted tokens
- 6.5 Security functions [Go to Page]
- 6.5.1 General requirements
- 6.5.2 Key management
- Figure 12 – TCDU generation for SubClass 8 encrypted tokens [Go to Page]
- 6.5.3 Key deriviation
- 6.5.4 Encryption process
- 7 TokenCarriertoMeterInterface application layer protocol [Go to Page]
- 7.1 APDU: ApplicationProtocolDataUnit [Go to Page]
- 7.1.1 Data elements in the APDU
- 7.1.2 TokenData
- 7.1.3 AuthenticationResult
- Table 26 – Data elements in the APDU [Go to Page]
- 7.1.4 ValidationResult
- 7.1.5 TokenResult
- Table 27 – Possible values for AuthenticationResult
- Table 28 – Possible values for ValidationResult
- 7.2 APDU Extraction processes [Go to Page]
- 7.2.1 APDU Extraction process for Class 5 tokens
- Table 29 – Possible values for TokenResult [Go to Page]
- 7.2.2 APDU Extraction process for SubClass 0 unencrypted token
- 7.2.3 APDU Extraction process for SubClass 8 encrypted token
- Figure 13 – APDU extraction process for SubClass 0 tokens
- 7.3 Security functions [Go to Page]
- 7.3.1 Key attributes and key changes
- Figure 14 – APDU extraction process for SubClass 8 tokens [Go to Page]
- 7.3.2 Decryption algorithm
- 7.3.3 TokenAuthentication
- 7.3.4 TokenValidation
- 7.3.5 TokenResult
- 8 MeterApplicationProcess requirements [Go to Page]
- 8.1 General requirements
- 8.2 Token acceptance/rejection
- 8.3 Display indicators and markings
- 8.4 TransferCredit tokens
- 8.5 Engineering/SpecialFunction tokens
- 9 KMS: KeyManagementSystem generic requirements
- 10 Maintenance of unassigned entities
- Annex A (informative) Verhoeff code implementation example [Go to Page]
- A.1 Sample code
- Annex B (informative) Example of ExtendedTransferCredit [Go to Page]
- B.1 Class 5: SubClass 10: TransferCredit + Tariff [Go to Page]
- B.1.1 General
- B.1.2 Block sequence/SuperTokenBlockToFollow
- Table B.1 – Block 1 of TransferCredit + tariff token
- Table B.2 – Block 2 of TransferCredit + Tariff token [Go to Page]
- B.1.3 Complete tariff
- B.1.4 Tariff sub-information
- B.1.5 Tariff activation month
- B.1.6 Tariff data
- B.1.7 Tariff types
- B.1.8 Tariff sub-information
- Table B.3 – Block 3 of TransferCredit + Tariff token
- Table B.4 – Block 4 of TransferCredit + Tariff token
- Table B.5 – Tariff types
- B.2 Class 5, SubClass 10, tariff type 0: TransferCredit + slab or time-of-use tariff [Go to Page]
- B.2.1 Class 5, SubClass 10, tariff type 0, sub-type 0: TransferCredit + slab tariff
- Table B.6 – Details of tariff sub-information
- Table B.7 – Block 2 for class 5, SubClass 10, tariff type 0, sub-type 0 (TransferCredit + slab tariff) [Go to Page]
- B.2.2 Number of slab boundaries
- B.2.3 Slab scaling
- B.2.4 Slab field size
- Table B.8 – Block 2 for Class 5, SubClass 10, tariff type 0, sub-type 0 (TransferCredit + slab tariff) – tariff data part [Go to Page]
- B.2.5 Slab value
- B.2.6 Class 5, SubClass 10, tariff type 0, sub-type 1: TransferCredit + time of use (TOU) tariff
- B.2.7 Week definition
- Table B.9 – Block 3 for class 5, SubClass 10, tariff type 0, sub-type 0 (TransferCredit + slab tariff)
- Table B.10 – Block 2 for class 5, SubClass 10, tariff type 0, sub-type 1 (TransferCredit + time of use tariff) [Go to Page]
- B.2.8 Time period definitions
- B.2.9 Register definitions
- B.3 Class 5, SubClass 10, tariff type 1: TransferCredit + rate prices or fixed charge price token format [Go to Page]
- B.3.1 Class 5, SubClass 10, tariff type 1: tariff sub-information
- B.3.2 Class 5, SubClass 10, tariff type 1, sub-type 0: TransferCredit + rate prices
- Table B.11 – Block 3 for class 5, SubClass 10, tariff type 0, sub-type 1 (TransferCredit + time of use tariff)
- Table B.12 – Block 4 for class 5, SubClass 10, tariff type 0, sub-type 1 (TransferCredit + time of use tariff) [Go to Page]
- B.3.3 Class 5, SubClass 10, tariff type 1: tariff sub-information
- B.3.4 Number of rate prices
- Table B.13 – Block 2 for class 5, SubClass 10, tariff type 1, sub-type 0 (TransferCredit + rate prices)
- Table B.14 – Block 2 for class 5, SubClass 10, tariff type 1, sub-type 0 (TransferCredit + rate prices) – tariff data [Go to Page]
- B.3.5 Rate price multiplier
- B.3.6 Rate price field size
- B.3.7 Rate price value
- Table B.15 – Block 3 for class 5, SubClass 10, tariff type 1, sub-type 0 (TransferCredit + rate prices) [Go to Page]
- B.3.8 Class 5, SubClass 10, tariff type 1, sub type 1: TransferCredit + fixed charge prices
- B.3.9 Number of fixed charge prices
- Table B.16 – Block 4 for class 5, SubClass 10, tariff type 1, sub-type 0 (TransferCredit + rate prices)
- Table B.17 – Block 2 for class 5, SubClass 10, tariff type 1, sub-type 1 (TransferCredit + fixed charge prices)
- Table B.18 – Block 2 for class 5, SubClass 10, tariff type 1, sub-type 1 (TransferCredit + fixed charge prices) – tariff data [Go to Page]
- B.3.10 Fixed charge price multiplier
- B.3.11 Fixed charge price field size
- B.3.12 Fixed charge application
- B.3.13 Fixed charge price value
- B.4 Class 5, SubClass 10, tariff type 2: TransferCredit + electricity duty (ED) token format [Go to Page]
- B.4.1 Electricity duty (ED)
- B.4.2 Electricity duty on energy charges
- B.4.3 Electricity duty on fixed charges
- B.4.4 Number of electricity duty slabs
- B.4.5 Electricity duty rate
- Table B.19 – Block 2 for class 5, SubClass 10, tariff type 2, sub-type 0 (TransferCredit + electricity duty)
- Table B.20 – Block 2 for class 5, SubClass 10, tariff type 2, sub-type 0 (TransferCredit + electricity duty) – data field [Go to Page]
- B.4.6 Electricity duty slab size
- Table B.21 – Electricity duty slab value encoding
- B.5 SubClass 0 TCDU generation detailed process
- B.6 SubClass 8 TCDU generation detailed process
- Figure B.1 – TCDU generation process for SubClass 0
- Table B.22 – Block 3 for class 5, SubClass 10, tariff type 2, sub-type 0 (TransferCredit + electricity duty)
- B.7 SubClass 10 TCDU generation detailed process
- Figure B.2 – TCDU generation process for SubClass 8
- B.8 SubClass 10 APDU extraction detailed process
- Figure B.3 – TCDU generation process for SubClass 10
- Figure B.4 – APDU extraction process for SubClass 10
- Bibliography [Go to Page]
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