BCD – Binary-coded decimal
More info: Binary-coded decimal
Monthly Archives: April 2015
Why is 7E (hex) commonly used as Start Delimiter?
tl;dr answer
0x7E in binary is ‘01111110’ and it is easy to identify
Answer on Stack Overflow: Why is 0x7E commonly used as Start Delimiter in Communication Protocol?
Also, look at Framing in Wikipedia information about High-Level Data Link Control (HDLC)
Used in:
- XBee – http://knowledge.digi.com/articles/Knowledge_Base_Article/Calculating-the-Checksum-of-an-API-Packet
- PPP – http://www.netfor2.com/ppp.htm
- IP – http://www.netfor2.com/ip.htm
- TinyOS 2.x serial communication – http://www.tinyos.net/tinyos-2.x/doc/html/tep113.html
- XBee – https://books.google.com/books?id=n_BZAgAAQBAJ&pg=PA86&lpg=PA86&dq=7e+start+packet&source=bl&ots=_nMFZRGFJh&sig=RBU83h2I4EJcAYD-_m4ak0b3hlc&hl=en&sa=X&ei=mBdBVYLyIcLAggSr8YGwCQ&ved=0CD0Q6AEwBQ
TCP Abbreviations and Acronyms
Transport Control Protocol (TCP) Abbreviations and Acronyms
ACK – Acknowledge
DEST – Destination
DTO – Data Offset
FCS – Frame Check Sequence
FIN – Finished
FLG – Flag
IP – Internet Protocol
OPT – Options
PSH – Push
RST – Reset
SEQ – Sequence
SRC – Source
SYN – Synchronization
URP – Urgent Pointer
WIN – Window
Daily Links Monday 4/27/15
Security Experts Hack Teleoperated Surgical Robot
http://www.technologyreview.com/view/537001/security-experts-hack-teleoperated-surgical-robot/ (Archive PDF20150424 Security Experts Hack Teleoperated Surgical Robot – MIT Technology Review)
Interoperable Telesurgery Protocol
Robot Operating System – http://www.ros.org/
http://arxiv.org/abs/1504.04339 (Archive PDF 1504.04339v1)
Daily Links Friday 4/24/15
http://newsoffice.mit.edu/2015/cloud-security-chips-0223
SSL & TLS Links
https://luxsci.com/blog/ssl-versus-tls-whats-the-difference.html
https://en.wikipedia.org/wiki/Forward_secrecy
https://www.ssllabs.com/downloads/SSL_TLS_Deployment_Best_Practices.pdf
https://www.trustworthyinternet.org/ssl-pulse/
SSL/TLS Tests:
https://www.ssllabs.com/ssltest/
https://tls.so/
https://luxsci.com/extranet/tlschecker.html
WordPress and Authorize.net
https://www.sellwithwp.com/which-authorize-net-version-use-wordpress/
http://developer.authorize.net/api/compare/
http://www.woothemes.com/products/authorize-net-dpm/
What does Authorize.net charge?
https://www.authorize.net/solutions/merchantsolutions/pricing/
https://www.authorize.net/en-ANZ/pricing/
What does Authorize.net do?
http://www.authorize.net/company/whatwedo/
Secure Password Reset Flowchart
Secure Password Reset Flowchart
SOT updated: 4/28/15
This flowchart was modified to include logging steps and separate the ending arrows. Drawn using draw.io
XML file of this chart (Link)
Original file:
Original image courtesy of Troy Hunt licensed under a Creative Commons Attribution 3.0 Unported License.
Work on this page is also licensed under a Creative Commons Attribution 3.0 Unported License.
Humans Need Not Apply
Published on Aug 13, 2014
Discuss this video: http://www.reddit.com/r/CGPGrey/comments/2dfh5v/humans_need_not_apply/
http://www.CGPGrey.com/
https://twitter.com/cgpgrey
Statistics on 4/19/15
Views: 4,304,426
I like this: 104,473
I dislike this: 1,930
Comments: 25,846
Originally came across this video from: http://ma.tt/2014/08/humans-need-not-apply/