As it is well known, Alternate Reality The City is one of the heaviest copy protected titles for the Atari 8-bits. At the hardware side of the protection, it was one of the first titles that had weak bits. It has several sectors of weak bits on the same track. It is rather unique in that it combines both duplicate sectors and sectors with weak bits (it has dups of weak sectors). It is very strict when it checks the extent of the weak bits in the sector. And it has other, more common, protections as well. Philip Price at his best

Recently we found that there is a version that doesn't have any weak bits at all. The track with the weak bits is identical except that the sectors instead of weak bits they are "stable" with a "normal" CRC error. As if that track would have been copied with something like a Happy that can't reproduce weak bits. The rest of the protection was not altered. My initial reaction was that it was either a duplication defect or a hacked version. But now we found multiple copies of this version, they all match and are identical. That would mean it is very unlikely it is a hack. And the code was altered to ignore the result of the protection checking for the weak bits. Or at least it seems so. That would discard a mastering or duplication defect. The check for the "common" protection remains. It is still copy protected.


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Atari games probably more than most were cracked before being widely distributed since by default and unlike the C64, A2 and many others, almost all protection schemes couldn't be dupilcated on a standard drive.

I remember getting Great American Cross Country Road Race to work using a standard drive with no crack. The game attempts to read a high sector and only cares that an error is returned, no other sectors on that track are accessed, and no sector after it on the disk. So I copied it by just partly formatting a disk (eject at the right time) then copying the used portion to the blank.

For a long time, I've wanted to see Spyro 3's copy protection in action, see if I can complete the Herculean task of actually getting to the end of the game with all that chaos happening, but every ROM I've gotten from online seems properly patched.

I've heard that version 1.0 is notorious for having the copy protection active, but even ROMs of that I've found are properly patched. Is it just impossible to activate the copy protection on an emulator? I don't have any version of a Playstation to try burning a copy.

Andy I am trying to copy my cds to a Trax media player or memory stick and find that the Copy Protect Music tick box is greyed out and not available for changing. These are all purchased cds that We want to play in the car. Can you assist please

I will however recommend that you do not ever change the copy protection on that app to disabled. I made that mistake about 9 months or so ago and the users of my app were not very happy. Basically I had originally uploaded an app and enabled copy protection. I decided to turn copy protection off because of all of the reports about how weak/easily circumventable it was. So on my next update of that game I turned copy protection off. The problem with this is that the non copy protected version of the application could not read the files created by the copy protected version of the app. So people could not save or load their saved games or high scores. The solution was to completely remove the game and reinstall which is far from desirable.

I also added my app with copy protection on but got reports from friends that they could not find the app on Market but as soon as I switched of the copy protection everyone could find my app. But there was no problem with data access or anything with the option turned on.

High-bandwidth Digital Content Protection (HDCP) is a form of digital copy protection developed by Intel Corporation[1] to prevent copying of digital audio and video content as it travels across connections. Types of connections include DisplayPort (DP), Digital Visual Interface (DVI), and High-Definition Multimedia Interface (HDMI), as well as less popular or now deprecated protocols like Gigabit Video Interface (GVIF) and Unified Display Interface (UDI).

The system is meant to stop HDCP-encrypted content from being played on unauthorized devices or devices which have been modified to copy HDCP content.[2][3] Before sending data, a transmitting device checks that the receiver is authorized to receive it. If so, the transmitter encrypts the data to prevent eavesdropping as it flows to the receiver.[4]

In order to make a device that plays HDCP-enabled content, the manufacturer must obtain a license for the patent from Intel subsidiary Digital Content Protection LLC, pay an annual fee, and submit to various conditions.[5][6][7] For example, the device cannot be designed to copy; it must "frustrate attempts to defeat the content protection requirements";[7] it must not transmit high definition protected video to non-HDCP receivers; and DVD-Audio works can be played only at CD-audio quality[7] by non-HDCP digital audio outputs (analog audio outputs have no quality limits). If the device has a feature like Intel Management Engine disabled, HDCP will not work.

In August 2015, version 2.2 was rumored to be broken. An episode of AMC's series Breaking Bad was leaked to the Internet in UHD format; its metadata indicated it was an HDMI cap, meaning it was captured through HDMI interface that removed HDCP 2.2 protection.[24][25]

On 4 November 2015, Chinese company LegendSky Tech Co., already known for their other HDCP rippers/splitters under the HDFury brand, released the HDFury Integral, a device that can remove HDCP 2.2 from HDCP-enabled UHD works.[26] On 31 December 2015, Warner Bros and Digital Content Protection, LLC (DCP, the owners of HDCP) filed a lawsuit against LegendSky.[27][28] Nevertheless, the lawsuit was ultimately dropped after LegendSky argued that the device did not "strip" HDCP content protection but rather downgraded it to an older version, a measure which is explicitly permitted in DCP's licensing manual.[29]

There is also the problem that all Apple laptop products, presumably in order to reduce switching time, when confronted with an HDCP-compliant sink device, automatically enable HDCP encryption from the HDMI / Mini DisplayPort / USB-C connector port. This is a problem if the user wishes to use recording or videoconferencing facilities further down the chain, because these devices most often do not decrypt HDCP-enabled content (since HDCP is meant to avoid direct copying of content, and such devices could conceivably do exactly that). This applies even if the output is not HDCP-requiring content, like a PowerPoint presentation or merely the device's UI.[36] Some sink devices have the ability to disable their HDCP reporting entirely, however, preventing this issue from blocking content to videoconferencing or recording. However, HDCP content will then refuse to play on many source devices if this is disabled while the sink device is connected.[37]

The 2.x version of HDCP is not a continuation of HDCPv1, and is rather a completely different link protection. Version 2.x employs industry-standard encryption algorithms, such as 128-bit AES with 3072 or 1024-bit RSA public key and 256-bit HMAC-SHA256 hash function.[23] While all of the HDCP v1.x specifications support backward compatibility to previous versions of the specification, HDCPv2 devices may interface with HDCPv1 hardware only by natively supporting HDCPv1, or by using a dedicated converter device. This means that HDCPv2 is only applicable to new technologies. It has been selected for the WirelessHD and Miracast (formerly WiFi Display) standards.[39][40]

All other software is protected by a software key. And yes you can copy those. But we have very good experience that customers don't do that. Without a key a program works normal, only you can't calculate the model and some print functions are disabled.

You do need to employ copy-protection for your software, but as others have said, make it as hassle-free as possible for your customers. Your aim should be to keep honest customers honest, and not make them go through hoops before they can finally use your software.

This publication contains the text of Title 17 of the United States Code, including all amendments enacted by Congress through December 23, 2022. It includes the Copyright Act of 1976 and all subsequent amendments to copyright law; the Semiconductor Chip Protection Act of 1984, as amended; and the Vessel Hull Design Protection Act, as amended. The Copyright Office is responsible for registering intellectual property claims under all three.

The United States copyright law is contained in chapters 1 through 8 and 10 through 12 of Title 17 of the United States Code. The Copyright Act of 1976, which provides the basic framework for the current copyright law, was enacted on October 19, 1976, as Pub. L. No. 94-553, 90 Stat. 2541. The 1976 Act was a comprehensive revision of the copyright law in Title 17. Listed below in chronological order of their enactment are the Copyright Act of 1976 and subsequent amendments to Title 17.

This edition adds two pieces of copyright legislation enacted since the last printed edition of the circular in May 2021: the Artistic Recognition for Talented Students Act, signed into law in October 2022, and the James M. Inhofe National Defense Authorization Act for Fiscal Year 2023, signed into law in December 2022.

Some of the most common content copy methods (via mouse, keyboard and browser), such as right-click, image drag/drop/save, text selection/drag/drop, source code viewing, and keyboard copy shortcut keys such as CTRL A, C, X, U, S, and P are disabled with this plugin (just to name a few).

The pro version includes super aggressive image protection (making it near impossible for a user to copy/steal your images using advanced masking), Prt Sc (print screen) deterrent agent, optional alert message for right click, Javascript validation with idle redirect, removed all RSS feeds instances to counter content scraping software/autoblogs and much, much more! See our features above. be457b7860

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