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403 Forbidden SignatureDoesNotMatch 请求中带的签名与系统计算得到的签名不一致。 检查你的Secret Access Key和签名计算方法。详细排查方法请参见签名不匹配（SignatureDoesNotMatch）如何处理。
AccessKeyId=xxxx&Expires=1552548758&Signature=xxxx 以Windows操作系统为例，运行obsutil sign obs://bucket-test/test/ -r，批量生成对象下载链接。
生成带授权信息的表单上传参数 obsClient.CreateBrowserBasedSignature 生成用于鉴权的请求参数，以进行POST表单上传。
policy HTTP/1.1 Host: bucketname.obs.cn-north-4.myhuaweicloud.com Date: date Authorization: signatureValue Policy written in JSON 请求消息参数
obsClient, err := obs.New(ak, sk, endPoint, obs.WithSignature(obs.SignatureObs)/*, obs.WithSecurityToken(securityToken)*/) if err !
AccessKeyId=H4IPJX0TQTHTHEBQQCEC&Expires=1532688887&Signature=EQmDuOhaLUrzrzRNZxwS72CXeXM%3D HTTP/1.1 User-Agent: curl/7.29.0 Host: examplebucket.obs.cn-north
obsClient, err := obs.New(ak, sk, endPoint, obs.WithSignature(obs.SignatureObs)/*, obs.WithSecurityToken(securityToken)*/) if err !
生成带授权信息的表单上传参数 ObsClient.createPostSignature 生成用于鉴权的请求参数，以进行基于浏览器的POST表单上传。
AccessKeyId=UI3SN1SRUQE14OYBKTZB&Expires=1534152518&x-obs-server-side-encryption=kms&Signature=chvmG7%2FDA%2FDCQmTRJu3xngldJpg%3D HTTP/1.1 User-Agent
logging HTTP/1.1 Host: bucketname.obs.cn-north-4.myhuaweicloud.com Date: date Authorization: signatureValue <?
生成带授权信息的表单上传参数 ObsClient.createPostSignatureSync 生成用于鉴权的请求参数，以进行基于浏览器的POST表单上传。
executorService.isTerminated()) { try { executorService.awaitTermination(5, TimeUnit.SECONDS); } catch (InterruptedException
("destexamplebucket"); request.setDestinationObjectKey("destobjectname"); obsClient.copyObject(request);
InvalidObjectState ErrorMessage: Operation is not valid for the source object's storage class 请求消息样式 1 2 3 4 5 6 7 8 9 10 PUT /destinationObjectName
x-pkcs7-certificates .p7c application/pkcs7-mime .p7m application/pkcs7-mime .p7r application/x-pkcs7-certreqresp .p7s application/pkcs7-signature
x-pkcs7-certificates .p7c application/pkcs7-mime .p7m application/pkcs7-mime .p7r application/x-pkcs7-certreqresp .p7s application/pkcs7-signature
x-pkcs7-certificates .p7c application/pkcs7-mime .p7m application/pkcs7-mime .p7r application/x-pkcs7-certreqresp .p7s application/pkcs7-signature
x-pkcs7-certificates .p7c application/pkcs7-mime .p7m application/pkcs7-mime .p7r application/x-pkcs7-certreqresp .p7s application/pkcs7-signature
x-pkcs7-certificates .p7c application/pkcs7-mime .p7m application/pkcs7-mime .p7r application/x-pkcs7-certreqresp .p7s application/pkcs7-signature
AccessKeyId=H4IPJX0TQTHTHEBQQCEC&Expires=1532688887&Signature=EQmDuOhaLUrzrzRNZxwS72CXeXM%3D HTTP/1.1 User-Agent: curl/7.29.0 Host: examplebucket.obs.cn-north
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