gst-crypto GStreamer插件
内容
• 1. gst-crypto概述
o 1.1gst-crypto GStreamer插件功能
o 1.2用例范例
• 2. GStreamer插件支持
• 3. 在本地Linux PC上构建并运行
o 3.1源代码获取
 3.1.1GStreamer 0.10.x
 3.1.2GStreamer 1.x
o 3.2汇编
• 4. gst-crypto源代码
o 4.1位置
• 5. RR SDK集成
o 5.1 GStreamer 0.10.x
 5.1.1子目录结构
 5.1.2fs / apps / gst-crypto-0.10.0 / Config
 5.1.3fs / apps / gst-crypto-0.10.0 / Makefile
 5.1.4fs / apps / gst-crypto-0.10.0 / metainfo
 5.1.5RR SDK GStreamer配置
 5.1.5.1执行
 5.1.5.2组态
o 5.2 GStreamer 1.x
 5.2.1子目录结构
 5.2.2fs / apps / gst-crypto-1.0 / Config
 5.2.3fs / apps / gst-crypto-1.0 / Makefile
 5.2.4fs / apps / gst-crypto-1.0 / metainfo
 5.2.5RR SDK GStreamer配置
 5.2.5.1执行
 5.2.5.2组态
• 6. 管道示例
o 6.1测试管道
 6.1.1GStreamer 0.10.x
 6.1.1.1在常规安装到/usr/lib/gstreamer-0.10之后的RR SDK上
 6.1.1.2在默认安装到/usr/local/lib/gstreamer.0.10之后的Ubuntu上
 6.1.2GStreamer 1.x
 6.1.2.1在常规安装到/usr/lib/gstreamer-1.0之后的RR SDK上
 6.1.2.2在默认安装到/usr/local/lib/gstreamer-1.0之后的Ubuntu上
o 6.2使用openssl工具创建加密的视频并播放
 6.2.1下载演示视频
 6.2.2加密
 6.2.3回放
 6.2.3.1在本地显示器上播放
 6.2.3.1.1GStreamer 0.10.x
 6.2.3.1.2在常规安装到/usr/lib/gstreamer-0.10之后的RR SDK上
 6.2.3.1.3在默认安装到/usr/local/lib/gstreamer-0.10之后的Ubuntu上
 6.2.3.1.4 GStreamer 1.x
 6.2.3.1.5在常规安装到/usr/lib/gstreamer-1.0之后的RR SDK上
 6.2.3.1.6在默认安装到/usr/local/lib/gstreamer-1.0之后的Ubuntu上
 6.2.3.2流到主机
 6.2.3.2.1在目标板上
 6.2.3.2.2GStreamer 0.10.x
 6.2.3.2.3GStreamer 1.x
 6.2.3.3在主机上
o 6.3编码/解码播放管道
 6.3.1GStreamer 1.0
o 6.4编码/解码实时流水线
 6.4.1GStreamer 1.0
o 6.5编码/解码Udpstream
 6.5.1GStreamer 1.0
 6.5.1.1H264 +传输流
 6.5.1.2 jpeg
o 6.6即时编码/解码
 6.6.1GStreamer 1.0
• 7. 使用加密硬件加速
• 8. 测试发布2.0的管道
o 8.1原始数据文件
o 8.2 Big Buck Bunny avi file avi文件
gst-crypto概述
RidgeRun的gst-crypto插件是一个GStreamer插件，可以轻松加密或解密通过GStreamer管道传递的内容。gst-crypto将利用任何可用的加密硬件加速器。gst-crypto基于OpenSSL，因此gst-crypto可以支持OpenSSL支持的任何加密技术。该插件支持任何支持opensl的加密/解密芯片，仅验证了aes-128-cbc和aes-256-cbc密码。 gst-crypto源代码尚未针对安全性缺陷进行专家审查。
另外，gst-crypto不支持查找和某些多路复用器/多路分解器，请在需要时咨询。解决方案支持解密时进行查找。
gst-crypto GStreamer插件功能
• 验证aes-128-cbc和aes-256-cbc密码支持
• 密码或密钥/ iv设置
• GStreamer 0.10.x支持
• GStreamer 1.x支持
用例范例
• 将摄像头的音频/视频直接捕获到加密的媒体文件中。
• 解密流音频/视频并渲染到本地显示器/扬声器。
GStreamer插件支持
获取所需的任何修改或扩展，以及与其他嵌入式Linux系统（例如Ubuntu，Yocto等）的集成。
在本地Linux PC上构建并运行
在Ubuntu-14.04 64位上测试：
源代码获取
git clone git@github.com：RidgeRun / gst-crypto
cd gst-crypto
GStreamer 0.10.x
git checkout release-0.10
GStreamer 1.x
git checkout release-1.0
注意：也有带标签的版本。
Compilation
./autogen.sh
./configure --libdir=/usr/lib/x86_64-linux-gnu/
make
sudo make install

插件的位置可能会因系统而异。下表总结了不同设置的一些标准位置

如果不想安装到系统中，可以使用以下命令指定目录路径：
GST_PLUGIN_PATH=src/.libs/ gst-launch …
gst-crypto源代码
https://github.com/RidgeRun/gst-crypto
SDK集成
可以使用SDK：
• i.MX6 SabreLite board - with crypto hardware acceleration
• DM368 Leopard board - no crypto hardware available
GStreamer 0.10.x
注意： v0.10.0（gst-crypto-0.10.0.tar.gz）包含一个bug错误，该错误将GStreamer插件命名为gst-crypto而不是crypto。在运行测试管道时，记住这一点。
子目录结构

fs/apps/gst-crypto-0.10.0/Config
config FS_APPS_GST_CRYPTO
bool “gst-crypto-0.10.0”
select FS_APPS_GSTREAMER_PLUGINS_BASE
help
This option enables RidgeRuns gst-crypto plugin.
fs/apps/gst-crypto-0.10.0/Makefile
#LLL

Copyright © 2015 Ridgerun (http://www.ridgerun.com).

##LLL

PKG_URL=*********************
PKG_TARBALL=gst-crypto-0.10.0.tar.gz
PKG_SHA1SUM=61fdeeeb81cc339764a0c637fcd486c3861fa1a8

include …/…/…/bsp/classes/rrsdk.class
include $(CLASSES)/gstreamer-plugin.class
fs/apps/gst-crypto-0.10.0/metainfo
TARGET_REQUIRED=“gstreamer gst-plugins-base”
SDK GStreamer configuration
Execution
make env
make config
Configuration
File System Configuration —>
Select target’s file system software —>
[*] gst-crypto-0.10.0
GStreamer 1.x
Subdirectory structure

fs/apps/gst-crypto-1.0/Config
config FS_APPS_GST_CRYPTO
bool “gst-crypto-1.0”
select FS_APPS_GSTREAMER_PLUGINS_BASE
help
This option enables RidgeRuns gst-crypto plugin.
fs/apps/gst-crypto-1.0/Makefile
#LLL

Copyright © 2015 Ridgerun (http://www.ridgerun.com).

##LLL

PKG_URL=https://www.ridgerun.com/packages
PKG_TARBALL=gst-crypto-1.0.tar.gz
PKG_SHA1SUM=321bf7787bd4a4667c2f150df84bf6a9c138a15a

include …/…/…/bsp/classes/rrsdk.class
include $(CLASSES)/gstreamer-plugin.class
fs/apps/gst-crypto-1.0/metainfo
TARGET_REQUIRED=“gstreamer gst-plugins-base”
RR SDK GStreamer configuration
Execution
make env
make config
Configuration
File System Configuration —>
Select target’s file system software —>
[*] gst-crypto-1.0
Example pipelines
Test pipeline
GStreamer 0.10.x
On RR SDK after regular installation to /usr/lib/gstreamer-0.10
echo "This is a crypto test … " > plain.txt && gst-launch filesrc location=plain.txt ! crypto mode=enc ! crypto mode=dec ! filesink location=dec.txt && cat dec.txt
On Ubuntu after default installation to /usr/local/lib/gstreamer.0.10
echo "This is a crypto test … " > plain.txt && gst-launch --gst-plugin-path=/usr/local/lib/gstreamer-0.10 filesrc location=plain.txt ! crypto mode=enc ! gst-crypto mode=dec ! filesink location=dec.txt && cat dec.txt
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch ! crypto !
GStreamer 1.x
On RR SDK after regular installation to /usr/lib/gstreamer-1.0
echo "This is a crypto test … " > plain.txt && gst-launch-1.0 filesrc location=plain.txt ! crypto mode=enc ! crypto mode=dec ! filesink location=dec.txt && cat dec.txt
On Ubuntu after default installation to /usr/local/lib/gstreamer-1.0
echo "This is a crypto test … " > plain.txt && gst-launch-1.0 --gst-plugin-path=/usr/local/lib/gstreamer-1.0 filesrc location=plain.txt ! crypto mode=enc ! crypto mode=dec ! filesink location=dec.txt && cat dec.txt
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch-1.0 ! crypto !
Creating an encrypted video with the openssl tool and playback
Download demo video
wget http://blender-mirror.kino3d.org/peach/bigbuckbunny_movies/big_buck_bunny_720p_surround.avi
Encrypt
openssl enc -k RidgeRun -nosalt -aes-128-cbc -in big_buck_bunny_720p_surround.avi -out big_buck_bunny_720p_surround.avi.enc
Playback
Playback on a local display
GStreamer 0.10.x
On RR SDK after regular installation to /usr/lib/gstreamer-0.10
gst-launch filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! ffdec_mpeg4 ! queue ! xvimagesink
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
On Ubuntu after default installation to /usr/local/lib/gstreamer-0.10
gst-launch --gst-plugin-path=/usr/local/lib/gstreamer-0.10 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! ffdec_mpeg4 ! queue ! xvimagesink
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch ! crypto !
GStreamer 1.x
On RR SDK after regular installation to /usr/lib/gstreamer-1.0
gst-launch-1.0 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
On Ubuntu after default installation to /usr/local/lib/gstreamer-1.0
gst-launch-1.0 --gst-plugin-path=/usr/local/lib/gstreamer-1.0 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! decodebin ! queue ! xvimagesink
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch-1.0 ! crypto !
Streaming to a host
On the target board
GStreamer 0.10.x
On RR SDK after regular installation to /usr/lib/gstreamer-0.10
gst-launch filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! mpegtsmux ! queue ! udpsink port=3000 host=10.251.101.40 sync=true enable-last-buffer=false
Note: Replace the IP address according to your host system.
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
On Ubuntu after default installation to /usr/local/lib/gstreamer-0.10
gst-launch --gst-plugin-path=/usr/local/lib/gstreamer-0.10 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! mpegtsmux ! queue ! udpsink port=3000 host=10.251.101.40 sync=true enable-last-buffer=false
Note: Replace the IP address according to your host system.
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch ! crypto !
GStreamer 1.x
On RR SDK after regular installation to /usr/lib/gstreamer-1.0
gst-launch-1.0 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! mpegtsmux ! queue ! udpsink port=3000 host=10.251.101.40 sync=true enable-last-buffer=false
Note: Replace the IP address according to your host system.
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
On Ubuntu after default installation to /usr/local/lib/gstreamer-1.0
gst-launch-1.0 --gst-plugin-path=/usr/local/lib/gstreamer-1.0 filesrc location=big_buck_bunny_720p_surround.avi.enc ! crypto mode=dec ! queue ! avidemux ! mpegtsmux ! queue ! udpsink port=3000 host=10.251.101.40 sync=true enable-last-buffer=false
Note: Replace the IP address according to your host system.
Note: The default password is RidgeRun. Change the password in the above openssl command and use the pass property of gst-crypto to use a different one.
Note: You could also test the plugin without make install. Just run the pipeline from the source tree like:
GST_PLUGIN_PATH=src/.libs/ gst-launch ! crypto !
On the host
gst-launch udpsrc port=3000 ! mpegtsdemux ! queue ! decodebin ! fpsdisplaysink sync=true async=false
Encoding/Decoding Playback Pipelines
GStreamer 1.0
• TS - encrypting with gstcrypto
gst-launch-1.0 -e videotestsrc is-live=true ! x264enc ! queue ! h264parse ! mpegtsmux ! filesink location=test.ts sync=true
gst-launch-1.0 filesrc location=test.ts ! crypto mode=enc ! filesink location=test.ts.enc
gst-launch-1.0 filesrc location=test.ts.enc ! crypto mode=dec ! queue ! tsdemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
• AVI - encrypting with gstcrypto
gst-launch-1.0 videotestsrc is-live=true num-buffers=300 ! “video/x-raw,width=(int)1280,height=(int)720,framerate=(fraction)30/1” ! x264enc ! avimux ! filesink location=test.avi
gst-launch-1.0 filesrc location=test.avi ! crypto mode=enc ! filesink location=test.avi.enc
gst-launch-1.0 filesrc location=test.avi.enc ! crypto mode=dec ! queue ! avidemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
• QuickTime - encrypting with gstcrypto
wget https://download.blender.org/peach/bigbuckbunny_movies/big_buck_bunny_480p_h264.mov
gst-launch-1.0 filesrc location=big_buck_bunny_480p_h264.mov ! crypto mode=enc ! filesink location=big_buck_bunny_480p_h264.mov.enc
gst-launch-1.0 filesrc location=big_buck_bunny_480p_h264.mov.enc ! crypto mode=dec ! filesink location=big_buck_bunny_480p_h264.mov.dec
gst-launch-1.0 filesrc location=big_buck_bunny_480p_h264.mov.dec ! qtdemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
• TS - encrypting with openssl
gst-launch-1.0 -e videotestsrc is-live=true ! x264enc ! queue ! h264parse ! mpegtsmux ! filesink location=test.ts sync=true
openssl enc -k RidgeRun -nosalt -aes-128-cbc -in test.ts -out test.ts.enc
gst-launch-1.0 filesrc location=test.ts.enc ! crypto mode=dec ! queue ! tsdemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
• AVI - encrypting with openssl
gst-launch-1.0 videotestsrc is-live=true num-buffers=300 ! “video/x-raw,width=(int)1280,height=(int)720,framerate=(fraction)30/1” ! x264enc ! avimux ! filesink location=test.avi
openssl enc -k RidgeRun -nosalt -aes-128-cbc -in test.avi -out test.avi.enc
gst-launch-1.0 filesrc location=test.avi.enc ! crypto mode=dec ! queue ! avidemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
Encoding/Decoding Livestream Pipelines
GStreamer 1.0
• TS - Encrypting Camera livestream with GstCrypto to a file
gst-launch-1.0 -e v4l2src device=/dev/video0 ! queue ! x264enc ! queue ! h264parse ! mpegtsmux ! queue ! rndbuffersize min=4096 max=4096 ! crypto mode=enc ! filesink location=live.ts.enc
• TS - Decrypt encoded file from the camera livestream
gst-launch-1.0 filesrc location=live.ts.enc blocksize=4096 ! crypto mode=dec ! queue ! tsdemux ! h264parse ! avdec_h264 ! queue ! xvimagesink
• TS - Decrypt encoded file to a video file
gst-launch-1.0 filesrc location=live.ts.enc blocksize=4096 ! crypto mode=dec ! queue ! tsparse ! queue ! filesink location=live.ts sync=false
Encoding/Decoding Udpstream
GStreamer 1.0
H264 + Transport Stream
• Server
gst-launch-1.0 videotestsrc is-live=true pattern=ball ! x264enc ! h264parse ! mpegtsmux ! tsparse ! rndbuffersize min=4096 max=4096 ! queue ! crypto mode=enc ! queue ! udpsink port=5000
• Receiver: Decrypt to a file
gst-launch-1.0 udpsrc port=5000 buffer-size=4096 ! queue ! crypto mode=dec ! queue ! tsparse ! queue ! filesink location=udpstream.ts
• Receiver: Save encrypted udpstream
gst-launch-1.0 udpsrc port=5000 buffer-size=4096 ! queue ! filesink location=udpstream.ts.enc
Jpeg
• Server
gst-launch-1.0 videotestsrc is-live=true pattern=ball ! jpegenc ! queue ! rndbuffersize min=4096 max=4096 ! queue ! crypto mode=enc ! queue ! udpsink port=5000
• Receiver: Decrypt to a display
gst-launch-1.0 udpsrc port=5000 buffer-size=4096 ! queue ! crypto mode=dec ! queue ! jpegparse ! jpegdec ! queue ! xvimagesink sync=false
Encoding/Decoding on the Fly
GStreamer 1.0
• Encoding, decoding and sending output to display in one pipeline
gst-launch-1.0 videotestsrc is-live=true num-buffers=300 ! “video/x-raw,width=(int)1280,height=(int)720,framerate=(fraction)30/1” ! jpegenc ! queue ! rndbuffersize min=4096 max=4096 ! crypto mode=enc ! queue ! crypto mode=dec ! jpegparse ! jpegdec ! xvimagesink
使用加密硬件加速
加密硬件加速可以与插件透明使用，并且可以独立配置。
有一些注意事项：
• MCU是否包括硬件加密单元（例如，i.MX6上的CAAM）？
• 哪种设置可以提高性能（例如，i.MX6上的数据块大小）？
• 硬件加密单元和内核驱动程序是否支持要使用的密码？
• 内核驱动程序是否有效实施？

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gst-crypto GStreamer插件

Copyright © 2015 Ridgerun (http://www.ridgerun.com).

Copyright © 2015 Ridgerun (http://www.ridgerun.com).

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