National Security Agency encryption devices

Over-the-air rekeying

Over-the-air rekeying (OTAR) refers to transmitting or updating encryption keys (rekeying) in secure information systems by conveying the keys via encrypted electronic communication channels ("over the air"). It is also referred to as over-the-air transfer (OTAT), or over-the-air distribution (OTAD), depending on the specific type, use, and transmission means of the key being changed. Although the acronym refers specifically to radio transmission, the technology is also employed via wire, cable, or optical fiber. As a "paperless encryption key system" OTAR was originally adopted specifically in support of high speed data communications because previously known "paperless key" systems such as supported by Diffie-Hellman key exchange, or Firefly key exchange technology (as used in the now obsolete STU-III "scrambled" telephone) were not capable of handling the high speed transmission volumes required by normal governmental/military communications traffic. Now also adopted for civilian and commercial secure voice use, especially by emergency first responders, OTAR has become not only a security technology, but a preferred basis of communications security doctrine world-wide. The term "OTAR" is now basic to the lexicon of communications security. (Wikipedia).

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Installing a messaging hook through binary manipulation 1/2

Credits go out to IDEspinner, checkout his website: http://www.crackingislife.com/ clip 1/2

From playlist overige

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Hello LaTeX

In this video, we take a look at how you can quickly create the LaTeX logo on overleaf.

From playlist Tech Ideas

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22C3: Covert channels in TCP/IP: attack and defense

Speaker: Steven J. Murdoch Creation and detection of IP steganography for covert channels and device fingerprinting This talk will show how idiosyncrasies in TCP/IP implementations can be used to reveal the use of several steganography schemes, and how they can be fixed. The analysis can

From playlist 22C3: Private Investigations

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Installing a messaging hook through binary manipulation 2/2

Credits go out to IDEspinner, checkout his website: http://www.crackingislife.com/ clip 2/2

From playlist overige

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Cable drive 23

A liquid pumpjack. The 4-bar mechanism converts continuous rotation to reciprocating rotation that the cable drive converts to reciprocating translation of a pump piston. The ball valves open and close automatically due to fluid pressure alteration in the space under the piston. When the

From playlist Mechanisms

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DEFCON 18: Insecurity Engineering of Physical Security Systems: Locks Lies and Videotape 2/4

Speakers: Marc Weber Tobias, Tobias Bluzmanis, Matt Fiddler Many lock manufacturers do not understand the relationship and intersection between "mechanical engineering" and "security engineering" in their products. Typically, design engineers are fairly adept at making things work prope

From playlist DEFCON 18-2

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Please Do Not Duplicate Attacking the Knox Box

Knox Boxes, along with other rapid entry systems are increasing in popularity, as they allow first responders such as police, fire, and paramedics to quickly gain access to a building in the event of an emergency without having to force entry. These devices rely on the security and key con

From playlist Security

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IDEspinner Buffer Overflows pt1

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From playlist Buffer overflow

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Electromagnetic induction and Antigravity!!!

Physics demonstrations (la physique)!!!

From playlist physics

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Salesforce Tutorial - Importing data

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From playlist Salesforce

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DevOpsDays Boston 2017- Iterative Security... by Tom McLaughlin

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From playlist DevOpsDays Boston 2017

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DEFCON 18: Attack the Key Own the Lock 4/4

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From playlist DEFCON 18-2

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Based on a video from https://www.youtube.com/user/thang010146. This user has hundreds of amazing videos with mechanisms. This one can be seen here: https://www.youtube.com/watch?v=8h9mjKA5SjQ. Free 3D model at https://skfb.ly/onUTn.

From playlist Mechanisms

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From playlist Deep Learning 101

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NOTACON 5: Lock Picking into the New Frontier: From Mechanical to Electronic Locks

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From playlist Notacon 5

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Yield to Maturity: Brief explanation (FRM T3-10b)

In case this is more helpful, I recorded a SHORTER version (trying to cut to the chase) of my previous video's explanation of bond yield (aka, yield to maturity). I make the the same four (4) points about how to interpret that yield. Discuss this video here in our FRM forum: https://trtl.b

From playlist Financial Markets and Products: Intro to Derivatives (FRM Topic 3, Hull Ch 1-7)

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In this video we teach you how to set up the Samsung Galaxy S5 lock screen to provide some security for your phone.

From playlist Technology

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From playlist Financial Markets and Products: Intro to Derivatives (FRM Topic 3, Hull Ch 1-7)

Related pages

KYK-13 | KG-84 | Fill device | ANDVT | KY-58 | Key (cryptography)