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Update SPEC.md

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Peter Rounce 2022-08-01 12:21:14 +01:00 • committed by GitHub
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@ -5,7 +5,7 @@ The bolt card system is built on the open standards listed below.
- [LUD-03: withdrawRequest base spec.](https://github.com/fiatjaf/lnurl-rfc/blob/luds/03.md) - [LUD-03: withdrawRequest base spec.](https://github.com/fiatjaf/lnurl-rfc/blob/luds/03.md)
- [LUD-17: Protocol schemes and raw (non bech32-encoded) URLs.](https://github.com/fiatjaf/lnurl-rfc/blob/luds/17.md) - [LUD-17: Protocol schemes and raw (non bech32-encoded) URLs.](https://github.com/fiatjaf/lnurl-rfc/blob/luds/17.md)
## Bolt card interaction ## Bolt card and POS interaction
- the point-of-sale (POS) will read an NDEF message from the card, for example - the point-of-sale (POS) will read an NDEF message from the card, for example
``` ```
@ -17,7 +17,8 @@ https://card.yourdomain.com?p=A2EF40F6D46F1BB36E6EBF0114D4A464&c=F509EEA788E37E3
``` ```
- your bolt card service should verify the payment request and continue the LNURLw protocol - your bolt card service should verify the payment request and continue the LNURLw protocol
### Server side verification ## Server side verification
- for the `p` value and the `SDM Meta Read Access Key` value, decrypt the UID and counter with AES - for the `p` value and the `SDM Meta Read Access Key` value, decrypt the UID and counter with AES
- for the `c` value and the `SDM File Read Access Key` value, check with AES-CMAC - for the `c` value and the `SDM File Read Access Key` value, check with AES-CMAC