Create an AWS-S3 like Curl PUT command...
Set the s3curlIN API URL one minute ahead to match shared secret
Input your options in this Command Prompt command-line simulator...or just click Enter
[-resource] [-id] [-key] [-contentType] [-acl] [-put] [-contentMD=] [-delete] [-version] [-help]


See green hash below.



freq dir -d ext ---***

--------

method PUT

resource
httpdate Thu, 10 Sep 2026 14:09: +0000
acl
stringToSign PUT Thu,10Sep202614:10:+0000

b64digest <-secret = 7IINq7Dbiss6IwBINHpGRQ
b64digest <-stringToSign = 1B2M2Y8AsgTpgAmY7PhCfg <-PUT Thu,10Sep202614:10:+0000
MD5 signature = 1B2M2Y8AsgTpgAmY7PhCfg==
b64 SHA256 signature valid for 15 minutes =

https://s3.amazonaws.com?id=&key=&method=PUT Thu,10Sep202614:10:+0000 &Authorization:AWS=:
stringToSign qr code


MD5-2 =

Curl args = -H Date: Thu,10Sep202614:10:+0000-H Authorization: AWS :-T-X DELETE

CURL OK