nostr/nips
1
0
Fork 0
mirror of https://github.com/nostr-protocol/nips.git synced 2024-12-22 08:25:53 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

breaks the rp keys into multiple tags instead of a single list

Browse Source 
offers guidance for multiple `prp` tags to be a logical OR
This commit is contained in:
Vitor Pamplona 2024-09-13 16:24:45 -04:00
parent 36f9a2e58f
commit d60412c81f
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
76.md
View File

@ -12,26 +12,28 @@ Events with an `rp` or `prp` require AUTH to be downloaded.
## Read Permission ## Read Permission
The `rp` tag accepts a list of pubkeys The `rp` tag takes a pubkey. Multiple `rp` tags represent a logical OR.
```json ```json
["rp", "<pubkey1>", "<pubkey2>", "<pubkey3>"] ["rp", "<pubkey1>"]
["rp", "<pubkey2>"]
["rp", "<pubkey3>"]
``` ```
Relays MUST check if the authed user is one of the keys in the `rp` before sending the event to the client. Relays MUST check if the authed user is one of the keys in the `rp` before sending the event to the client.
## Probabilistic Read Permissions ## Probabilistic Read Permissions
Probabilistic permissions use bloom filters that include a set of pubkeys. They are represented by a colon-separated value with: Probabilistic permissions use bloom filters of a set of authorized pubkeys. They are represented by a colon-separated value with:
1. the size of the bit array 1. the number of bits in the bit array
2. the number of hashing rounds used by the filter 2. the number of hashing rounds used by the filter
3. the bit array in Base64. 3. the bit array in Base64.
```json ```json
["prp", "<BitArray Size>:<Rounds>:<base64>"] ["prp", "<bits>:<rounds>:<base64>"]
``` ```
Bloom filters MUST use `SHA-256` functions of the key + iterating index as the pseudocode below: Bloom filters MUST use `SHA256` functions of the key + iterating index as the pseudocode below demonstrates:
```js ```js
class BloomFilter(size: Int, rounds: Int, buffer: ByteArray) { class BloomFilter(size: Int, rounds: Int, buffer: ByteArray) {
@ -74,6 +76,8 @@ class BloomFilter(size: Int, rounds: Int, buffer: ByteArray) {
Relays MUST check if the authed user is in the filter before returning the event. Relays MUST check if the authed user is in the filter before returning the event.
Multiple `prp` tags represent a logical OR.
### Test cases ### Test cases
The filter below has 100 bits, with 10 rounds of hashes that should be able to match 10,000,000 keys without a single false positive. The filter below has 100 bits, with 10 rounds of hashes that should be able to match 10,000,000 keys without a single false positive.