policy    string
		signature string
		errCode   APIErrorCode
	}{
		{"invalidAccessKey", policy, calculateSignatureV2(policy, creds.SecretKey), ErrInvalidAccessKeyID},
		{creds.AccessKey, policy, calculateSignatureV2("random", creds.SecretKey), ErrSignatureDoesNotMatch},
		{creds.AccessKey, policy, calculateSignatureV2(policy, creds.SecretKey), ErrNone},
	}
	for i, test := range testCases {
		formValues := make(http.Header)

	return calculateSignatureV2(stringToSign, cred.SecretKey)
}

// Return the signature v2 of a given request.
func signatureV2(cred auth.Credentials, method string, encodedResource string, encodedQuery string, headers http.Header) string {
	stringToSign := getStringToSignV2(method, encodedResource, encodedQuery, headers, "")
	signature := calculateSignatureV2(stringToSign, cred.SecretKey)
	return signature