Function ParamSign

util/crypto.go:215–230

ParamSign 计算所传参数的签名

(p map[string]string, key string)

// ParamSign 计算所传参数的签名
func ParamSign(p map[string]string, key string) (string, error) {
	bizKey := "&key=" + key
	str := OrderParam(p, bizKey)

	var signType string
	switch p["sign_type"] {
	case SignTypeMD5, SignTypeHMACSHA256:
		signType = p["sign_type"]
	case ``:
		signType = SignTypeMD5
	default:
		return ``, errors.New(`invalid sign_type`)
	}

	return CalculateSign(str, signType, key)
}

// ECB provides confidentiality by assigning a fixed ciphertext block to each plaintext block.
// See NIST SP 800-38A, pp 08-09