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Remove padding from base64url hash examples #1357

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Dec 12, 2024
Merged

Remove padding from base64url hash examples #1357

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8 changes: 4 additions & 4 deletions FLEDGE_browser_bidding_and_auction_API.md
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Original file line number Diff line number Diff line change
Expand Up @@ -88,18 +88,18 @@ Response blobs can also be retrieved using an `iframe` navigation by specifying
For each response blob sent back to the browser, the seller’s server attaches a response header containing the base64url encoded (RFC 4648 section 5) SHA-256 hash of the response blob:

```
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0=
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0
```

Multiple hashes can be included in a response by either repeating the
header or by specifying multiple hashes separated by a `,` character. So
```
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0=,9UTB-u-WshX66Xqz5DNCpEK9z-x5oCS5SXvgyeoRB1k=
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0,9UTB-u-WshX66Xqz5DNCpEK9z-x5oCS5SXvgyeoRB1k
```
is equivalent to
```
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0=
Ad-Auction-Result: 9UTB-u-WshX66Xqz5DNCpEK9z-x5oCS5SXvgyeoRB1k=
Ad-Auction-Result: ungWv48Bz-pBQUDeXa4iI7ADYaOWF3qctBD_YfIAFa0
Ad-Auction-Result: 9UTB-u-WshX66Xqz5DNCpEK9z-x5oCS5SXvgyeoRB1k
```
and both versions should be accepted.

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