// to a custom value for example: "aws-chunked,gzip".
			metadata[strings.ToLower(xhttp.ContentEncoding)] = contentEncoding
		} else {
			// Trimmed content encoding is empty when the header
			// value is set to "aws-chunked" only.

			// Make sure to delete the content-encoding parameter
			// for a streaming signature which is set to value
			// for example: "aws-chunked"

		},
		// Test case - 2.
		// Test case with `signV2Algorithm` ("AWS") not being the prefix.
		{
			authString:    "NoV2Prefix",
			expectedError: ErrSignatureVersionNotSupported,
		},
		// Test case - 3.
		// Test case with missing parts in the Auth string.
		// below is the correct format of V2 Authorization header.
		// Authorization = "AWS" + " " + AWSAccessKeyId + ":" + Signature
		{

		return nil, errors.New("both the access and secret keys are required")
	case conf.AWSRole && (conf.AWSRoleWebIdentityTokenFile != "" || conf.AWSRoleARN != "" || conf.AccessKey != "" || conf.SecretKey != ""):
		return nil, errors.New("AWS Role cannot be activated with static credentials or the web identity token file")
	case conf.Bucket == "":
		return nil, errors.New("no bucket name was provided")
	}

	// Credentials initialization

{
    "name": "s3-zip-example",
    "version": "1.0.0",
    "main": "main.js",
    "dependencies": {
        "aws-sdk": "^2.924.0"
    }

         "Principal":"*",
         "Action":"s3:PutObject",
         "Resource":"arn:aws:s3:::multi-key-poc/*",
         "Condition":{
            "StringNotEquals":{
               "s3:x-amz-server-side-encryption-aws-kms-key-id":"minio-default-key"
            }
         }
      }
   ]

### Response Elements

XML response for this API is similar to [AWS STS AssumeRoleWithWebIdentity](https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithWebIdentity.html#API_AssumeRoleWithWebIdentity_ResponseElements)

### Errors

	return signedHeaders, ErrNone
}

// signValues data type represents structured form of AWS Signature V4 header.
type signValues struct {
	Credential    credentialHeader
	SignedHeaders []string
	Signature     string
}

// preSignValues data type represents structured form of AWS Signature V4 query string.
type preSignValues struct {
	signValues
	Date    time.Time
	Expires time.Duration
}

)

// KMSKeyID returns in AWS compatible KMS KeyID() format.
func (o *ObjectInfo) KMSKeyID() string { return kmsKeyIDFromMetadata(o.UserDefined) }

// KMSKeyID returns in AWS compatible KMS KeyID() format.
func (o *MultipartInfo) KMSKeyID() string { return kmsKeyIDFromMetadata(o.UserDefined) }

// kmsKeyIDFromMetadata returns any AWS S3 KMS key ID in the

	"github.com/minio/pkg/v3/policy"
)

const (
	// As per AWS S3 specification, 20KiB policy JSON data is allowed.
	maxBucketPolicySize = 20 * humanize.KiByte

	// Policy configuration file.
	bucketPolicyConfig = "policy.json"
)

// PutBucketPolicyHandler - This HTTP handler stores given bucket policy configuration as per
// https://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-language-overview.html

versionId="$(./mc ls --json --versions myminio1/testbucket/dir/ | tail -n1 | jq -r .versionId)"

export AWS_ACCESS_KEY_ID=minioadmin
export AWS_SECRET_ACCESS_KEY=minioadmin
export AWS_REGION=us-east-1

aws s3api --endpoint-url http://localhost:9001 delete-object --bucket testbucket --key dir/file --version-id "$versionId"

./mc ls -r --versions myminio1/testbucket >/tmp/myminio1.txt