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docs(evreg): fix typos

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Maximilian Lenkeit 2021-04-07 07:57:28 +02:00
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event_registration.md
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@ -54,7 +54,7 @@ However, we acknowledge that this does not prevent to execute this attack for a
## QR Code Structure DRAFT ## QR Code Structure DRAFT
The QR code of a venue contains all required attributes for Presence Tracing, so that no server communication is necessary when an attendee checks in to a venue The QR code of a venue contains all required attributes for Presence Tracing, so that no server communication is necessary when an attendee checks in to a venue.
The data structure is described by the Protocol Buffer message `QRCodePayload`: The data structure is described by the Protocol Buffer message `QRCodePayload`:
@ -113,7 +113,7 @@ message CWALocationData {
} }
``` ```
The ID of a venue is derived as the SHA-256 hash of the concatenated byte representation of the string `CWA-GUID` and the byte representation of the Protocol Buffer message `QRCodePayload`. The `cryptographicSeed` adds sufficient entropy so that any modifications to the QR result in a unique ID. The ID of a venue is derived as the SHA-256 hash of the concatenated byte representation of the string `CWA-GUID` and the byte representation of the Protocol Buffer message `QRCodePayload`. The `cryptographicSeed` adds sufficient entropy so that any modifications to the QR code result in a unique ID.
A `QRCodePayload` is base64url-encoded and included in a URL. The URL is the content of the QR code and has the following structure: A `QRCodePayload` is base64url-encoded and included in a URL. The URL is the content of the QR code and has the following structure:
@ -131,7 +131,7 @@ https://tac.gouv.fr?v=1#Y2xlYQ
### QR Code Compatibility with Other Contract Tracing Apps in Germany DRAFT ### QR Code Compatibility with Other Contract Tracing Apps in Germany DRAFT
Other contact tracing apps in Germany that leverage QR code for Presence Tracing can integrate with CWA by creating QR codes according to the following pattern: Other contact tracing apps in Germany that leverage QR codes for Presence Tracing can integrate with CWA by creating QR codes according to the following pattern:
```text ```text
<URL>/<VENDOR_DATA>#[VENDOR_ADDITIONAL_DATA]/CWA1/<ENCODED_PAYLOAD> <URL>/<VENDOR_DATA>#[VENDOR_ADDITIONAL_DATA]/CWA1/<ENCODED_PAYLOAD>