Version 1: Release Note 28 November 2014


Alert Recipient Verification



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Alert Recipient Verification


Requirements in this Section 6.8.4 shall apply to Message Category SME.A.NC and all subordinate categories.

The Remote Party, as identified by the Business Originator ID in the Alert, may validate the SMD-KRP MAC in the Alert by calculating a MAC using the parameters in Table 6.8.4 and comparing the MAC to the SMD-KRP MAC.



Input Parameter

Value

Note

To calculate the Shared Secret (‘Z’) input to the KDF:

Private Key Agreement Key

Known Remote Party’s




Public Key Agreement Key

Device’s

As identified by the Business Originator ID in Message Identifier

The other input to the KDF (‘OtherInfo’) shall be calculated according to the requirements of Section 4.3.3.3.




As input to the GMAC function, the IV shall be constructed according to the requirements of Section 4.3.3.4, the Plaintext shall be empty and:

Additional Authenticated Data shall be the concatenation:

0x11 || Grouping Header || Alert Payload || 0x00




Table 6.8.4: MAC calculation for SMD-KRP MAC verification

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