You sent a request with a signature in the Authorization header, but the signature format is incorrect. For example, splitting the signature by commas (,) does not result in an array length of 3.

GET /objectName HTTP/1.1​
Host: <Bucket name>.<TOS endpoint>​
Date: GMT Date​
Authorization: TOS4-HMAC-SHA256 Credential=testAK/20220322/cn-beijing/tos/request,Signature=d40b66cf0054d1642843670d10fa095e1609c7896f25df217770b0abe717693b​

Solution

Calculate the signature correctly. For details, see signature mechanism.

Last updated: 2025.10.11 17:59:35

Public security network record in Beijing: No. 11010802032137