aws_secret_access_key=response['Credentials']['SecretAccessKey'],
                                 aws_session_token=response['Credentials']['SessionToken'],
                                 config=Config(signature_version='s3v4'),
                                 region_name='us-east-1')

    bucket = s3_resource.Bucket('testbucket')

	if clntHashedPayload != "" {
		query.Set(xhttp.AmzContentSha256, hashedPayload)
	}

	token := req.Form.Get(xhttp.AmzSecurityToken)
	if token != "" {
		query.Set(xhttp.AmzSecurityToken, cred.SessionToken)
	}

	query.Set(xhttp.AmzAlgorithm, signV4Algorithm)

	// Construct the query.
	query.Set(xhttp.AmzDate, t.Format(iso8601Format))
	query.Set(xhttp.AmzExpires, strconv.Itoa(expireSeconds))

    <Credentials>
      <AccessKeyId>Y4RJU1RNFGK48LGO9I2S</AccessKeyId>
      <SecretAccessKey>sYLRKS1Z7hSjluf6gEbb9066hnx315wHTiACPAjg</SecretAccessKey>
      <Expiration>2019-08-08T20:26:12Z</Expiration>

  "dl.minio.equipment",
  "dl.minio.service-fulfillment",
  "testbucket"
 ],
 "credentials": {
  "AccessKeyID": "Q31CVS1PSCJ4OTK2YVEM",
  "SecretAccessKey": "rmDEOKARqKYmEyjWGhmhLpzcncyu7Jf8aZ9bjDic",

			var (
				jwtClaims *jwt.MapClaims
				err       error
			)

			if cred.SessionToken == "" {
				continue
			}

			if cred.IsServiceAccount() {
				jwtClaims, err = auth.ExtractClaims(cred.SessionToken, cred.SecretKey)
				if err != nil {
					jwtClaims, err = auth.ExtractClaims(cred.SessionToken, globalActiveCred.SecretKey)
				}
			} else {
				var secretKey string

    <Credentials>
      <AccessKeyId>Y4RJU1RNFGK48LGO9I2S</AccessKeyId>
      <SecretAccessKey>sYLRKS1Z7hSjluf6gEbb9066hnx315wHTiACPAjg</SecretAccessKey>
      <Expiration>2019-08-08T20:26:12Z</Expiration>

```
{
  buckets: [ ],
  credentials: {
    AccessKeyID: "EJOLVY3K3G4BF37YD1A0",
    SecretAccessKey: "1b+w8LlDqMQOquKxIlZ2ggP+bgE51iwNG7SUVPJJ",

		// x-amz-security-token should not present for static credentials.
		return nil, ErrInvalidToken
	}

	if !cred.IsServiceAccount() && cred.IsTemp() && subtle.ConstantTimeCompare([]byte(token), []byte(cred.SessionToken)) != 1 {
		// validate token for temporary credentials only.
		return nil, ErrInvalidToken
	}

	// Expired credentials must return error right away.
	if cred.IsTemp() && cred.IsExpired() {

```
{
  "buckets": [
    "bucket-x"
  ],
  "credentials": {
    "AccessKeyID": "6N2BALX7ELO827DXS3GK",
    "SecretAccessKey": "23JKqAD+um8ObHqzfIh+bfqwG9V8qs9tFY6MqeFR+xxx",

		deleteKeyEtcd(ctx, ies.client, getMappedPolicyPath(user, userType, false))
		return nil
	}
	if u.Credentials.AccessKey == "" {
		u.Credentials.AccessKey = user
	}
	if u.Credentials.SessionToken != "" {
		jwtClaims, err := extractJWTClaims(u)
		if err != nil {
			if u.Credentials.IsTemp() {
				// We should delete such that the client can re-request
				// for the expiring credentials.