feat: add hmac-sha256

Author: leeqvip

README.md

@@ -9,6 +9,7 @@ A functions wrapping of OpenSSL library for symmetric and asymmetric encryption
 - [DES](#DES)
 - [3DES](#DES)
 - [RSA](#RSA)
+- [HMAC-SHA](#HMAC-SHA)
 
 ## Installation
 
@@ -98,6 +99,28 @@ openssl.RSASign(src []byte, priKey []byte) ([]byte, error)
 openssl.RSAVerify(src, sign, pubKey []byte) error
 ```
 
+### HMAC-SHA
+
+```
+// Sha1 Calculate the sha1 hash of a string
+Sha1(str string) []byte
+
+// HmacSha1 Calculate the sha1 hash of a string using the HMAC method
+HmacSha1(key string, data string) []byte
+
+// HmacSha1ToString Calculate the sha1 hash of a string using the HMAC method, outputs lowercase hexits
+HmacSha1ToString(key string, data string) string
+
+// Sha256 Calculate the sha256 hash of a string
+Sha256(str string) []byte
+
+// HmacSha256 Calculate the sha256 hash of a string using the HMAC method
+HmacSha256(key string, data string) []byte
+
+// HmacSha256ToString Calculate the sha256 hash of a string using the HMAC method, outputs lowercase hexits
+HmacSha256ToString(key string, data string) string
+```
+
 ## License
 
 This project is licensed under the [Apache 2.0 license](LICENSE).

sha.go

@@ -3,6 +3,8 @@ package openssl
 import (
 	"crypto/hmac"
 	"crypto/sha1"
+	"crypto/sha256"
+	"encoding/hex"
 )
 
 // Sha1 Calculate the sha1 hash of a string
@@ -12,9 +14,35 @@ func Sha1(str string) []byte {
 	return h.Sum(nil)
 }
 
+// HmacSha1 Calculate the sha1 hash of a string using the HMAC method
 func HmacSha1(key string, data string) []byte {
 	mac := hmac.New(sha1.New, []byte(key))
 	_, _ = mac.Write([]byte(data))
 
 	return mac.Sum(nil)
 }
+
+// HmacSha1ToString Calculate the sha1 hash of a string using the HMAC method, outputs lowercase hexits
+func HmacSha1ToString(key string, data string) string {
+	return hex.EncodeToString(HmacSha1(key, data))
+}
+
+// Sha256 Calculate the sha256 hash of a string
+func Sha256(str string) []byte {
+	h := sha256.New()
+	_, _ = h.Write([]byte(str))
+	return h.Sum(nil)
+}
+
+// HmacSha256 Calculate the sha256 hash of a string using the HMAC method
+func HmacSha256(key string, data string) []byte {
+	mac := hmac.New(sha256.New, []byte(key))
+	_, _ = mac.Write([]byte(data))
+
+	return mac.Sum(nil)
+}
+
+// HmacSha256ToString Calculate the sha256 hash of a string using the HMAC method, outputs lowercase hexits
+func HmacSha256ToString(key string, data string) string {
+	return hex.EncodeToString(HmacSha256(key, data))
+}

sha_test.go

@@ -1,6 +1,7 @@
 package openssl
 
 import (
+	"encoding/hex"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -11,3 +12,20 @@ func TestSha1(t *testing.T) {
 	dst := Sha1(src)
 	assert.Equal(t, dst, []byte{0xd0, 0xbe, 0x2d, 0xc4, 0x21, 0xbe, 0x4f, 0xcd, 0x1, 0x72, 0xe5, 0xaf, 0xce, 0xea, 0x39, 0x70, 0xe2, 0xf3, 0xd9, 0x40})
 }
+
+func TestHmacSha1ToString(t *testing.T) {
+	src := "apple"
+	dst := HmacSha1ToString("secret", src)
+	assert.Equal(t, dst, "2651783bdc7367acd2dde6f830ca0b7104368911")
+}
+
+func TestSha256(t *testing.T) {
+	src := "apple"
+	dst := Sha256(src)
+	assert.Equal(t, hex.EncodeToString(dst), "3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b")
+}
+
+func TestHmacSha256ToString(t *testing.T) {
+	dst := HmacSha256ToString("secret", "apple")
+	assert.Equal(t, dst, "37431003b2d14b6bddb9334c7ec2ff0ea0c65f96ec650952384e56cae83c398f")
+}