![]() You can compare these strings with the strings that you calculated. The error response includes the canonical request and the string to sign that the service calculated. The request signature we calculated does not match the signature you provided If you incorrectly calculated the canonical request or the string to sign, the signature verification step performed by the service fails with the following error message: This is the error message I get (I removed the StringToSignBytes and CanonicalRequestBytes): SignatureDoesNotMatchThe request signature we calculated does not match the signature you provided. ![]() ![]() I verified my SHA256 caluclations with this online tool and my HMAC-SHA256 calcs with this tool I followed these two AWS documentations on how to properly make a HTTP Get request: Create a signed AWS API request and Signature Calculations for the Authorization Header. Hi, I am trying to connect to S3 with my ESP32 and I am using the arduino SDK. ![]()
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