Apply .gitignore rules

.svn/pristine/b6/b6109d1a9358a108e9893e6373d6367d7b5bd097.svn-base

@@ -0,0 +1,63 @@
+package securityUtil
+
+import (
+	"crypto/hmac"
+	"crypto/sha1"
+	"crypto/sha256"
+	"crypto/sha512"
+	"encoding/base64"
+)
+
+// Hmac-SHA1编码
+// source：编码原数据
+// key：编码密钥
+// 返回值：编码结果
+func HmacSha1(source, key string) (result []byte, err error) {
+	mac := hmac.New(sha1.New, []byte(key))
+	if _, err = mac.Write([]byte(source)); err != nil {
+		return
+	}
+
+	return mac.Sum(nil), nil
+}
+
+// Hmac-SHA1 Base64编码
+// source：编码原数据
+// key：编码密钥
+// 返回值：编码结果
+func Base64HmacSha1(source, key string) (result string, err error) {
+	mac := hmac.New(sha1.New, []byte(key))
+	if _, err = mac.Write([]byte(source)); err != nil {
+		return
+	}
+
+	bytes := mac.Sum(nil)
+	result = base64.StdEncoding.EncodeToString(bytes)
+	return
+}
+
+// Hmac-SHA256编码
+// source：编码原数据
+// key：编码密钥
+// 返回值：编码结果
+func HmacSha256(source, key string) (result []byte, err error) {
+	mac := hmac.New(sha256.New, []byte(key))
+	if _, err = mac.Write([]byte(source)); err != nil {
+		return
+	}
+
+	return mac.Sum(nil), nil
+}
+
+// Hmac-SHA512编码
+// source：编码原数据
+// key：编码密钥
+// 返回值：编码结果
+func HmacSha512(source, key string) (result []byte, err error) {
+	mac := hmac.New(sha512.New, []byte(key))
+	if _, err = mac.Write([]byte(source)); err != nil {
+		return
+	}
+
+	return mac.Sum(nil), nil
+}