From b7c28e32cf4246f6d66976f2e451e04c9239be4c Mon Sep 17 00:00:00 2001
From: liu1l <1071662300@qq.com>
Date: Wed, 16 Aug 2017 10:14:24 +0800
Subject: [PATCH] fix

---
 doc/2.2_gdb&peda.md | 15 +++++++++++++++
 doc/3.2_crypto.md   |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/doc/2.2_gdb&peda.md b/doc/2.2_gdb&peda.md
index 08e9cf9..a1cf954 100644
--- a/doc/2.2_gdb&peda.md
+++ b/doc/2.2_gdb&peda.md
@@ -3,6 +3,7 @@
 - [gdb 的组成架构](#gdb-的组成架构)
 - [gdb 基本工作原理](#gdb-基本工作原理)
 - [gdb 基本操作](#gdb-基本操作)
+- [gdb-peda](#gdb-peda)
 
 
 ## gdb 的组成架构
@@ -43,3 +44,17 @@ long ptrace(enum __ptrace_request request, pid_t pid, void *addr, void *data);
 
 
 ## gdb 基本操作
+
+## gdb-peda
+
+gdb-peda插件是
+
+### 安装
+
+```shell
+git clone https://github.com/longld/peda.git ~/peda
+echo "source ~/peda/peda.py" >> ~/.gdbinit
+echo "DONE! debug your program with gdb and enjoy"
+```
+### peda命令
+
diff --git a/doc/3.2_crypto.md b/doc/3.2_crypto.md
index feb288b..0a363e8 100644
--- a/doc/3.2_crypto.md
+++ b/doc/3.2_crypto.md
@@ -1 +1,3 @@
 # 3.2 Crypto
+
+密码学（Cryptography）一般可分为古典密码学和现代密码学。
\ No newline at end of file