}
	if signFields[1] == "" {
		return "", ErrMissingFields
	}
	signature := signFields[1]
	return signature, ErrNone
}

// Parse slice of signed headers from signed headers tag.
func parseSignedHeader(signedHdrElement string) ([]string, APIErrorCode) {
	signedHdrFields := strings.Split(strings.TrimSpace(signedHdrElement), "=")
	if len(signedHdrFields) != 2 {
		return nil, ErrMissingFields
	}

			expectedSignedHeaders: []string{"host", "x-amz-content-sha256", "x-amz-date"},
			expectedErrCode:       ErrNone,
		},
	}

	for i, testCase := range testCases {
		actualSignedHeaders, actualErrCode := parseSignedHeader(testCase.inputSignElement)
		if testCase.expectedErrCode != actualErrCode {
			t.Errorf("Test %d: Expected the APIErrCode to be %d, got %d", i+1, testCase.expectedErrCode, actualErrCode)
		}