gin-vue-admin 2.0代码重构

server/utils/des.go

@@ -0,0 +1,41 @@
+package tools
+
+import (
+	"bytes"
+	"crypto/cipher"
+	"crypto/des"
+)
+
+func padding(src []byte, blocksize int) []byte {
+	n := len(src)
+	padnum := blocksize - n%blocksize
+	pad := bytes.Repeat([]byte{byte(padnum)}, padnum)
+	dst := append(src, pad...)
+	return dst
+}
+
+func unpadding(src []byte) []byte {
+	n := len(src)
+	unpadnum := int(src[n-1])
+	dst := src[:n-unpadnum]
+	return dst
+}
+
+func EncryptDES(src []byte) []byte {
+	key := []byte("qimiao66")
+	block, _ := des.NewCipher(key)
+	src = padding(src, block.BlockSize())
+	blockmode := cipher.NewCBCEncrypter(block, key)
+	blockmode.CryptBlocks(src, src)
+	return src
+}
+
+func DecryptDES(src []byte) []byte {
+	key := []byte("qimiao66")
+	block, _ := des.NewCipher(key)
+	blockmode := cipher.NewCBCDecrypter(block, key)
+	blockmode.CryptBlocks(src, src)
+	src = unpadding(src)
+	return src
+
+}