添加抖音用户信息解密

utils/utils_crypt.go

@@ -45,3 +45,17 @@ func PKCSPadding(ciphertext []byte, blockSize int) []byte {
 	padtext := bytes.Repeat([]byte{byte(padding)}, padding)
 	return append(ciphertext, padtext...)
 }
+
+// AESCBC16Decrypt 抖音十六位解密
+func AESCBC16Decrypt(key, iv, src []byte) ([]byte, error) {
+	decrypted := make([]byte, len(src))
+	var aesBlockDecrypt cipher.Block
+	aesBlockDecrypt, err := aes.NewCipher(key)
+	if err != nil {
+		println(err.Error())
+		return nil, err
+	}
+	aesDecrypt := cipher.NewCBCDecrypter(aesBlockDecrypt, iv)
+	aesDecrypt.CryptBlocks(decrypted, src)
+	return decrypted[:len(decrypted)-int(decrypted[len(decrypted)-1])], err
+}