diff --git a/misc/ende b/misc/ende
new file mode 100644
index 00000000..6b88369f
Binary files /dev/null and b/misc/ende differ
diff --git a/misc/ende-readme.txt b/misc/ende-readme.txt
new file mode 100644
index 00000000..4d4c2844
--- /dev/null
+++ b/misc/ende-readme.txt
@@ -0,0 +1,46 @@
+ende 加解密工具链说明
+ENDE(ENcrypt & DEcripyt)) toolkits
+
+#使用帮助
+[root@5gc iv]# ./ende
+Usage:
+
+#加密文件
+#原文件       	plaintext_file
+#加密后文件    	encrypted_file
+./ende en plaintext_file encrypted_file
+
+#解密文件
+#加密后文件    	encrypted_file
+#原文件       	plaintext_file
+./ende de encrypted_file plaintext_file
+
+
+#查看原始文件 md5
+[root@5gc iv]# sha256sum aa.txt
+5b48bfb3520011d6152f04c0b4facf83481c34b6abf7469e2e41ef2bfe3bd568  aa.txt
+
+#加密文件
+[root@5gc iv]# ./ende en aa.txt aa.en
+注意：执行完，则将 aa.txt 加密成  aa.en
+
+
+#解密文件
+[root@5gc iv]# ./ende de aa.en aa.de
+注意：执行完，则将 aa.en 解密成  aa.de
+
+#查看加密后文件 md5
+[root@5gc iv]# sha256sum aa.en
+f88cd2d6d429cfcef1a43e89e1d88e673cb66b9660131508aa8165ede3ca0cb7  aa.en
+
+#解密后文件和原文件不同，如果使用vi打开查看，则会发现是乱码
+
+
+#查看解密后文件 md5
+[root@5gc iv]# sha256sum aa.de
+5b48bfb3520011d6152f04c0b4facf83481c34b6abf7469e2e41ef2bfe3bd568  aa.de
+
+
+#解密后文件和原文件一致
+
+
diff --git a/misc/ivreadme.txt b/misc/ivreadme.txt
new file mode 100644
index 00000000..653d4899
--- /dev/null
+++ b/misc/ivreadme.txt
@@ -0,0 +1,55 @@
+iv(integrity verification) toolkits完整性验证工具链说明
+
+
+#使用帮助
+[root@5gc iv]# ./iv
+Usage:
+./iv generate_private_key  private_key_name
+./iv generate_public_key   private_key_name   public_key_name
+./iv signature             private_key_name   source_cms_file   source_file
+./iv verify_signature      public_key_name    source_cms_file   source_file
+
+
+#生成私钥
+[root@5gc iv]# ./iv generate_private_key pri.key
+Generating RSA private key, 2048 bit long modulus (2 primes)
+..............+++++
+...................+++++
+e is 65537 (0x010001)
+en  pri.key_pri.key ==> pri.key_pri.key.aes_en
+注意：这时候私钥已经被自动加密存储了
+
+
+#通过私钥生成公钥
+[root@5gc iv]# ./iv generate_public_key pri.key pub.key
+writing RSA key
+
+
+#签名
+#source.bin     是某个二进制的文件，安装包、升级包或者任何其他文件
+#source.cms     是生成的签名文件
+[root@5gc iv]# ./iv signature pri.key source.cms source.bin
+
+
+#验证通过
+[root@5gc iv]# ./iv verify_signature pub.key source.cms source.bin
+Verified OK
+
+
+#修改原始文件后，验证不通过
+[root@5gc iv]# vi source.bin
+[root@5gc iv]# ./iv verify_signature pub.key source.cms source.bin
+Verification Failure
+
+
+#针对修改后的source.bin再次签名，验证通过
+[root@5gc iv]# ./iv signature pri.key source.cms source.bin
+[root@5gc iv]# ./iv verify_signature pub.key source.cms source.bin
+Verified OK
+
+
+#修改签名文件后，验证不通过
+[root@5gc iv]# vi source.cms
+[root@5gc iv]# ./iv verify_signature pub.key source.cms source.bin
+Verification Failure
+
diff --git a/misc/omc_pri.key.aes_en b/misc/omc_pri.key.aes_en
new file mode 100644
index 00000000..cc22ab63
Binary files /dev/null and b/misc/omc_pri.key.aes_en differ
diff --git a/misc/omc_pub.key b/misc/omc_pub.key
new file mode 100644
index 00000000..4f0922c8
--- /dev/null
+++ b/misc/omc_pub.key
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA10O52xwLqvwrrof3Ckso
+QAXgQOMfIHB5HfrJYrd31tJlJbFw+bR1JHXIAdqh9Cz+H0ir8KfBXS/U2XgI5fbI
+upkzg3cRv86nuksGtrKHzi9Q7lYYzGWVW9Tc/hcvdibG6XwLSNYemFN6JrOa5mZ7
+IabtZLuPRwFCBx2XC/dg45wxrGWIe7fbw2SpGId76erwSn/oKJtoy5Ash7LrOkp6
+lu8L0QQNfs9cRntjf4aQo99ppWvUF0H6OFBsGymwRfPRtWqLiwK824zrpXKMLFX3
+e4FjFO7WQNR1spOuL0bH+Ym1cEPYUn8LJN9OaiodjEXc1pM1E5MHWXGMhnhiE9q3
+jwIDAQAB
+-----END PUBLIC KEY-----