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fix signature (#712)

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Note sure where the other one was coming from.

-> https://gchq.github.io/CyberChef/#recipe=HMAC(%7B'option':'UTF8','string':'secret'%7D,'SHA256')From_Hex('None')To_Base64('A-Za-z0-9-_')&input=aGVsbG8vcnM6ZmlsbDozMDA6NDAwOjAvZzpzbS9hSFIwY0RvdkwyVjRZVzF3L2JHVXVZMjl0TDJsdFlXZGwvY3k5amRYSnBiM05wZEhrdS9hbkJuLnBuZw
This commit is contained in:
Matteias Collet 2021-10-08 10:02:33 +02:00 committed by GitHub
parent a15ea5555e
commit e49ba64e2f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
docs/signing_the_url.md
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@ -57,13 +57,13 @@ hello/rs:fill:300:400:0/g:sm/aHR0cDovL2V4YW1w/bGUuY29tL2ltYWdl/cy9jdXJpb3NpdHku/
Then calculate the HMAC digest of this string using SHA256 and encode it with URL-safe Base64:
```
LzIKNN09Lv_LAJhmgqbC6_VFlm0qlW2El5riObZq3BQ
oKfUtW34Dvo2BGQehJFR4Nr0_rIjOtdtzJ3QFsUcXH8
```
And finally put the signature to your URL:
```
http://imgproxy.example.com/LzIKNN09Lv_LAJhmgqbC6_VFlm0qlW2El5riObZq3BQ/rs:fill:300:400:0/g:sm/aHR0cDovL2V4YW1w/bGUuY29tL2ltYWdl/cy9jdXJpb3NpdHku/anBn.png
http://imgproxy.example.com/oKfUtW34Dvo2BGQehJFR4Nr0_rIjOtdtzJ3QFsUcXH8/rs:fill:300:400:0/g:sm/aHR0cDovL2V4YW1w/bGUuY29tL2ltYWdl/cy9jdXJpb3NpdHku/anBn.png
```
Now you got the URL that you can use to resize the image securely.