package crypto

import (
	"crypto/hmac"
	"crypto/sha1"
	"crypto/sha256"
	"crypto/sha512"
	"encoding/hex"
)

// Sha1Encode return the sha1 value (SHA-1 hash algorithm) of string
func (c *Crypto) Sha1Encode(data string) string {
	sha1 := sha1.New()
	sha1.Write([]byte(data))
	return hex.EncodeToString(sha1.Sum([]byte("")))
}

// Sha256Encode Sha256加密
func (c *Crypto) Sha256Encode(src string) string {
	m := sha256.New()
	m.Write([]byte(src))
	res := hex.EncodeToString(m.Sum(nil))
	return res
}

// Sha512Encode return the sha512 value (SHA512 hash algorithm) of string
func (c *Crypto) Sha512Encode(data string) string {
	sha512 := sha512.New()
	sha512.Write([]byte(data))
	return hex.EncodeToString(sha512.Sum([]byte("")))
}

// Sha1Hmac return the hmac hash of string use sha1
func (c *Crypto) Sha1Hmac(data, key string) string {
	h := hmac.New(sha1.New, []byte(key))
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum([]byte("")))
}

// Sha256Hmac return the hmac hash of string use sha256
func (c *Crypto) Sha256Hmac(data, key string) string {
	h := hmac.New(sha256.New, []byte(key))
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum([]byte("")))
}

// Sha512Hmac return the hmac hash of string use sha512
func (c *Crypto) Sha512Hmac(data, key string) string {
	h := hmac.New(sha512.New, []byte(key))
	h.Write([]byte(data))
	return hex.EncodeToString(h.Sum([]byte("")))
}