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代码调整

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This commit is contained in:
刘河
2019-01-04 00:21:23 +08:00
parent 11554aadfc
commit 9202db49b8
13 changed files with 133 additions and 476 deletions
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16
lib/crypt.go
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@@ -10,6 +10,7 @@ import (
"time"
)
//en
func AesEncrypt(origData, key []byte) ([]byte, error) {
block, err := aes.NewCipher(key)
if err != nil {
@@ -26,6 +27,7 @@ func AesEncrypt(origData, key []byte) ([]byte, error) {
return crypted, nil
}
//de
func AesDecrypt(crypted, key []byte) ([]byte, error) {
block, err := aes.NewCipher(key)
if err != nil {
@@ -41,24 +43,14 @@ func AesDecrypt(crypted, key []byte) ([]byte, error) {
return origData, nil
}
func ZeroPadding(ciphertext []byte, blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{0}, padding)
return append(ciphertext, padtext...)
}
func ZeroUnPadding(origData []byte) []byte {
length := len(origData)
unpadding := int(origData[length-1])
return origData[:(length - unpadding)]
}
//补全
func PKCS5Padding(ciphertext []byte, blockSize int) []byte {
padding := blockSize - len(ciphertext)%blockSize
padtext := bytes.Repeat([]byte{byte(padding)}, padding)
return append(ciphertext, padtext...)
}
//去补
func PKCS5UnPadding(origData []byte) []byte {
length := len(origData)
// 去掉最后一个字节 unpadding 次