0002-00000063

Issue description

The signature format is invalid.

Causes

The signature format is invalid.

Examples

You initiated a request that includes a signature, but the value of the AccessKeyId field in the Authorization header is missing.

GET /test.txt HTTP/1.0
Date: Tue, 20 Dec 2022 08:48:18 GMT
Host: oss-example.oss-cn-hangzhou.aliyuncs.com
Authorization: OSS  :UNQDb7GapEgJkcde6OhZ9J*****

Solutions

Calculate the value of the Authorization field as follows:

Authorization = "OSS " + AccessKeyId + ":" + Signature
Signature = base64(hmac-sha1(AccessKeySecret,
            VERB + "\n"
            + Content-MD5 + "\n" 
            + Content-Type + "\n" 
            + Date + "\n" 
            + CanonicalizedOSSHeaders
            + CanonicalizedResource))

For more information about how to calculate the value of the Authorization field, see Include signatures in the Authorization header.