Crypto debian

There's intensive work going on to make it stable soon. It would break your setup. Debian 11 will be supported shortly after it's released and it's expected to be the only version considered stable. Some initial research was done but it's nowhere ready. It provides significant advantages over Buster so that's the reason why stable will target it. If you know you won't be able to upgrade to Buster until more than three months after it's released please open an issue and explain your situation. The most important reasons for upgrade: Newer version of Rust which should support compiling some very important Rust libraries Newer version of nodejs which might make ThunderHub deterministically buildable not tested if it's the case Please stay patient an don't worry about upgrades - they are well-tested by the Debian team and our software will be tested properly as well.

Supported applications This is not a joke, several people were already confused by not having to manually run and configure things. Please read five things to know before you start using this to avoid confusion. Only Debian 10 Buster is currently tested, distributions based on it Ubuntu, Mint It leads to error message "libpcap-ng is too old". I hope to solve it in the future but it's best to use Debian anyway.

Your experience and the experience of your peers routing LN transactions through your node may suck otherwise! To use the produced repository you need to also setup Microsoft dotnet repository. Follow these steps and don't forget to verify fingerprints. You can now install the desired applications using e. Don't worry about the dependencies. Five things to know before you start using this Do not attempt to configure anything - it will just work Do understand that bitcoind and other services will run automatically immediately after installation and after each boot.

Key is the authentication key. The key can be any length. Data can be any length. The size of the resultant MAC is determined by the type of hash function used to generate it. HashLen must be greater than zero. Mac will be a binary with at most HashLen bytes. Note that if HashLen is greater than the actual number of bytes returned from the underlying hash, the returned hash will have fewer than HashLen bytes.

Text must be a multiple of 64 bits 8 bytes. The lengths of Key and IVec must be 64 bits 8 bytes. Key and IVec must have the same values as those used when encrypting. Cipher must be a multiple of 64 bits 8 bytes.

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This leads to problems if you invoke cryptsetup as part of a udev rule. Therefore cryptsetup should be detached directly after invocation in this case, so that it runs asynchronously. Useful keyscripts: askpass and passdev The cryptsetup package ships with several keyscripts.

Two special keyscripts, worth being mentioned here, are askpass and passdev. The check option The check option in crypttab allows one to configure checks to be run against the target device after cryptsetup has been invoked. The default check blkid can check for any known filesystem type, as it uses blkid from util-linux. Please send us your checks, if you write new ones. If they are generally useful, we will include them in the package.

See man crypttab 5 for more information about the checksystem. Cryptsetup and Splashy Splashy support in cryptsetup is currently somehow limited. Splashy is known to freeze at the password dialog for encrypted non-root filesystems. Only the password dialog for the encrypted root filesystem works. It seems like splashy freezes for any input dialog in initscripts while input dialogs at initramfs stage seem to work.

This leads to the assumption that the bug is somewhere in splashy and neither in cryptsetups initscripts nor in askpass. Remotely unlock encrypted rootfs Thanks to Chris debian x. Note that in order to force an arbitrary device to be processed at initramfs stage you might need to set the initramfs option in its crypttab entry; see crypttab 5 for details. This way it is possible to use an encrypted root filesystem on headless systems where no physical access is available during boot process.

Dropbear 0. Since Now that all required encrypted devices are unlocked, the remote system should continue with the boot process. Be sure to rebuild the initrd afterwards: update-initramfs -u -k all 9. It stores information such as used cipher, hash, etc. But most importantly, the header contains eight keyslots, which do keep an encrypted version of the LUKS masterkey. For that reason, one might want to backup the LUKS header in order to prevent accidental data loss.

The reason is, that LUKS was designed with key revocation in mind. If the notification is drafted properly, and the archive remains on the site identified in the notification, then you only have to file a single notification with BXA for the initial archive. Only one notification for one U. This notification would only have to be updated if you added a new program implementing encryption.

Debian Source Code is a free operating system developed by a group of individuals, coordinated by the non-profit Software in the Public Interest. This archive is updated from time to time, but its location is constant. Therefore, and this notification serves as a one-time notification for subsequent updates that may occur in the future.

New programs will be the subject of a separate notification. This site is mirrored to a number of other sites located outside the United States. Box , Annapolis Junction, MD If you have any questions, please call me at xxx xxx-xxxx. Sincerely, Name Title D: What information do we need to include in the notifications?

The draft language above includes the information that you need to include in the notification D: How often do we need to notify? We want to notify as little as possible as it creates more work for us and for the government, but we want to notify as often as necessary to follow the regulations.

As drafted above, and assuming that the archive remains on the Internet site identified in the notification, you should not have to file a subsequent notification for subsequent updates. You would only file another notification if you added a new program implementing cryptography. D: If we move our cryptographic software into this country, and the laws or regulations change to be more restrictive, what are we likely to lose?

Would we have to destroy any software, or CDs? Would we have to remove it from our master or secondary sites? If we use the increased availability of cryptographic software to improve the security of the rest of the system, and the cryptographic legal climate worsens, would be likely to have to discard all copies of such software in the U. The trend has been toward increased liberalization of the export controls on cryptography in the United States, rather than increased restrictions.

This trend has been constant over the past decade and has accelerated in the past year. We cannot advise you with respect to what you might lose unless and until new regulations are published. However, we believe that you would retain copyrights to the software and some, albeit perhaps more limited, rights to export.

I think that you only have to file a new notification if you add a new program that incorporates cryptography. Updates to existing programs should be covered by the broad language of the notification we suggested, above. D: New packages enter the debian archive through the following sequence of steps. At what point must the notification happen? Upstream developer releases a package as open-source.

This step gets skipped in the case of a native-Debian package. A Debian developer packages the source and binary for Debian, frequently with source changes. The package is uploaded to ftp-master, incoming. The new package fails to install, because it's new. Ftp admins add the needed records for the package. The package installs into the archive, within a few days. The package gets copied to the mirror sites. The regulations are pretty clear that the notification has to occur prior to or contemporaneous with public availability.

Exports prior to public availability require an export license. Therefore, if the archive in step 3 is not publicly available, then either the package must be made publicly available prior to step 3 and notifications sent , or export licenses will be needed for Debian developers. If the archive in step 3 is publicly available, then notification at that point would eliminate the need to have export licenses for Debian developers.

D: If the upstream author has notified BXA, is the notification needed? Packaging for debian can involve modifications to the source involving file locations, and occasionally functional differences, although the general goal is to make the upstream code work in Debian with minimal modification.

If the upstream author has notified BXA, that is sufficient. D: Do we need to notify when new binaries object code are added if we have already notified for the source code? I do not think that you have to file a new notification for object code, provided that a notification for the source code has been filed.

D: Is notification required for programs that do not contain crypto algorithms, but are linked against crypto libraries? What about programs that launch other programs in order to do cryptographic functions? D: New programs can be checked easily prior to their release and notification done at that time , but when an update is performed, there isn't a manual step at which to do the notification.

Would it be acceptable to notify BXA for each addition of software, with an indication that future updates may include the addition of crypto functionality? Overreporting should probably be avoided where reasonable, but underreporting must be avoided. Future updates of an existing program do not require separate notification.

Only new programs require separate notification. D: Can we automate the process of sending in notifications? You may automate the process of sending notifications. This in an internal procedural matter. D: What form should the notification take? D: Who can send in the notifications? For example, do they need to be a US citizen? Any person may send in the notification; citizenship is not relevant.

D: Are there any other concerns we should be aware of? What steps other than notification do we need to take? Other than notification, you might consider implementing a reverse IP lookup that identifies the computer requesting the download, and that blocks downloads of the cryptographic archive to countries embargoed by the United States: Cuba, Iran, Iraq, Libya, North Korea, Syria, Sudan and Taliban Occupied Afghanistan.

In addition, you might consider having a provision in your license agreement, or a separate screen prior to download, that advises the person downloading the software as follows: This software is subject to U. Export Administration Regulations. Consistent with the requirements of License Exception TSU, you represent and warrant that you are eligible to receive this software, that you are not located in a country subject to embargo by the United States, and that you will not use the software directly or indirectly in the design, development, stockpiling or use of nuclear, chemical or biological weapons or missiles.

Compiled binary code that is given away free of charge may be re-exported under the provisions of License Exception TSU. However, additional technical review and other requirements may apply to commercial products incorporating this code, prior to export from the United States. For additional information, please refer to www. D: Currently, users around the world can access and potentially download software that is awaiting integration into our archive. Likely, we would do any necessary notifications as software is processed into the archive, so software in this state would be awaiting notification.

Would this be a problem? If so, would it be acceptable to set up an alternate queue of cryptographic software awaiting integration into the archive available only to our developers? In order to process software into our distribution, developers who are often outside the US need to examine the software and make sure it meets certain guidelines.

How should we accomplish this access? Are there any other solutions to this pre-notification area of the archive we should consider? One issue we often run into is software patents. Clearly the integration of cryptography into software doesn't remove any of the patent concerns we would normally have to think about.

However, are there any new issues we need to consider when patents interact with cryptography export regulations? It seems that at least for exemption TSU section It is important to differentiate between the archive that has been a subject of notification, and new programs. You can update the archive that has been a subject of notification without further notification, as described above.

Only new programs need to be subject of a separate notification, prior to posting. If new programs must be reviewed by developers prior to posting, and such software is not both publicly available and already notified to the U. You are correct that patents do not disqualify software from eligibility for export under License Exception TSU. How often do they need to notify BXA? We would like to avoid a situation where mirrors have to notify for each new program Debian adds to the archive, even if our master server must send in such notifications.

We need to keep operations simple for mirror operators. What, if anything, would mirrors outside the US need to do? If we send an update to a mirror rather than waiting for it to download software, do we need to take any special steps? Once the notification has been filed for the central server, no further notification is required for mirror sites. D: Which of the following vendors if any would be able to ship unmodified Debian binaries and source with only notification?

Which would require review and approval? Could the review be concurrent with shipment, or must approval predate shipment? A mail-order shipment of CD's for the cost of the media? B mail-order shipment of CD's for profit? C off-the-shelf sales of CD's for the cost of the media?

D off-the-shelf sales of CD's for profit? E vendor providing CD's from A or C above, along with hardware. HW sold at a profit, but with no preinstall? F E, but with software pre-installed? G any of the above, selling support for the software? Reasonable and customary fees for reproduction and distribution are allowed, but not license fees or royalties. Support also is allowed, subject to the above limitation. D: If the one-time review is required for unmodified binaries shipped for-profit, can that approval be used by other vendors which are shipping unmodified binaries?

A one time review is for the product, and is vendor-independent. D: Would it be acceptable to set up an official mirror in a country forbidden in EAR section You would have to apply for a license to set up an official mirror in an embargoed country. D: If it is technically infeasible to block access from the T7 countries to a web or ftp, etc server, does due diligence require extreme measures? Does the defacto standard of US industry common-practice meet due diligence?

The de facto industry standard should suffice. I hope that the government will recognize that any system devised by man can be defeated, with enough effort. D: What steps should we take if we become aware of someone downloading software into one of these countries from a mirror within the US?

What if we become aware of downloads into one of these countries from a mirror outside the US? Some of our developers may live in or be citizens of the seven countries forbidden for exemption TSU.