aHash | cryptographic hashing algorithm that uses the AES hardware | Hashing library

 by   tkaitchuck Rust Version: v0.8.3 License: Apache-2.0

kandi X-RAY | aHash Summary

kandi X-RAY | aHash Summary

aHash is a Rust library typically used in Security, Hashing applications. aHash has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

AHash is the fastest, DOS resistant hash currently available in Rust. AHash is intended exclusively for use in in-memory hashmaps. AHash's output is of high quality but aHash is not a cryptographically secure hash.
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            kandi-support Support

              aHash has a low active ecosystem.
              It has 722 star(s) with 57 fork(s). There are 18 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 15 open issues and 83 have been closed. On average issues are closed in 54 days. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of aHash is v0.8.3

            kandi-Quality Quality

              aHash has no bugs reported.

            kandi-Security Security

              aHash has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              aHash is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              aHash releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.

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            aHash Key Features

            No Key Features are available at this moment for aHash.

            aHash Examples and Code Snippets

            No Code Snippets are available at this moment for aHash.

            Community Discussions

            QUESTION

            Rust Deduped Cow HashSet
            Asked 2021-Mar-02 at 19:25

            Wanting to store a large number of byte arrays and aim to do this with a AHashMap> and using Cow borrow from it and only write when needed, this should also cause it to be deduplicated. However my attempts so far have been futile:

            ...

            ANSWER

            Answered 2021-Mar-02 at 19:25

            You cannot mutate string_table while a CipherText holds a reference to it. This is simply one of Rust's core invariants. So you cannot use Cow. The typical ways around it are generally either:

            1. Use indexes/keys to reference the other structure, which unfortunately I can't see a good way to do that in this scenario.

            2. Use Rcs so that the ciphertexts and the table share ownership of the bytes. This does mean that the ciphertexts can stand on their own, but you can always use the table as a broker to dedup elements before using them with judicious use of get_or_insert.

            Source https://stackoverflow.com/questions/66443397

            QUESTION

            Why would a cross-compilation build fail on openssl when openssl is not in the dependency graph?
            Asked 2020-Dec-01 at 14:51

            When building my Rust lambda using cross, I get this error:

            ...

            ANSWER

            Answered 2020-Nov-30 at 19:46

            Reqwest lists OpenSSL as a requirement on Linux due to it using native-tls, which depends on openssl. You need to install the pkg-config and libssl-dev packages:

            Source https://stackoverflow.com/questions/65079343

            QUESTION

            Django: Avoid duplicates image uploads from admin panel
            Asked 2020-Oct-29 at 20:18

            I have a model with an ImageField, which allow an image upload from the panel admin of Django. I would like to check if the image already exists, before saving the model.

            If it's the case, I would like to display a popup (or a warning on the same page) with both images, to allow users to compare images, and allow saving if it's a false positive.

            For the image comparison, I'm going to use imagehash.average_hash() algorithm which gaves me good results from my tests.

            So my questions are:

            1. How to get the file content (to compute the aHash), before the model save.
            2. How to display a popup or modify the modelAdmin page to allow the check of false positive.

            Any help is appreciated!

            ...

            ANSWER

            Answered 2020-Oct-29 at 20:18

            I figured out to achieve this a part of this:

            admin.py

            Source https://stackoverflow.com/questions/64571549

            QUESTION

            Find duplicate images in fastest way
            Asked 2020-Jul-31 at 17:12

            I have 2 image folder containing 10k and 35k images. Each image is approximately the size of (2k,2k).
            I want to remove the images which are exact duplicates.
            The variation in different images are just a change in some pixels.
            I have tried DHashing, PHashing, AHashing but as they are lossy image hashing technique so they are giving the same hash for non-duplicate images too.
            I also tried writing a code in python, which will just subtract images and the combination in which the resultant array is not zero everywhere gives those image pair to be duplicate of each other. Buth the time for a single combination is 0.29 seconds and for total 350 million combinations is really huge.
            Is there a way to do it in a faster way without flagging non-duplicate images also. I am open to doing it in any language(C,C++), any approach(distributed computing, multithreading) which can solve my problem accurately.
            Apologies if I added some of the irrelevant approaches as I am not from computer science background.
            Below is the code I used for python approach -

            ...

            ANSWER

            Answered 2020-Jul-31 at 16:45

            You should find the answer on how to delete duplicate files (not only images). Then you can use, for example, fdupes or find some alternative SW: https://alternativeto.net/software/fdupes/

            Source https://stackoverflow.com/questions/63195790

            QUESTION

            Configure composer to get data from packagist.org via https
            Asked 2019-Dec-21 at 19:41

            When building files in an environment that blocks outbound http requests, I get an error like:

            Updating dependencies (including require-dev) The "http://packagist.org/p/provider-2013%ahash.json" file could not be downloaded: failed to open stream: Connection timed out http://packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of date

            Is there some way to instruct composer to use https connection to packagist?

            I've experienced the issue with both 1.2.0 and 1.6.5 versions of composer.

            ...

            ANSWER

            Answered 2019-Dec-21 at 19:41

            You can either force composer to use https by:

            Source https://stackoverflow.com/questions/51158850

            QUESTION

            Swift: generic init inside a non generic struct
            Asked 2019-Dec-11 at 19:17

            Ok, I'll try to explain you what I'm trying to get with a minimum viable example: I'd like to have a struct like this:

            ...

            ANSWER

            Answered 2019-Dec-11 at 17:59

            QUESTION

            java cpu profiling accuracy
            Asked 2019-Mar-11 at 09:46

            I try to ensure the accuracy of some (free) java cpu profiling tools, e.g. sjk, visualvm.

            Here is a sample program to do cpu-sensitive task:

            RandomStringUtils.java:

            ...

            ANSWER

            Answered 2019-Mar-11 at 09:46

            This is a very striking example of safepoint bias.

            Below 3 flame graphs for slightly modified version of your code (see on github).

            Using SJK sampling

            SJK is using thread dump sampling aproach so result is skewed by safepoint bias.

            Using Java Flight Recorder

            JFR is not affected by safepoint bias at sampling, but symbol map generated by JIT compiler is limited to safepoint checks by default. This has negative effect for reconstructing stack traces.

            While results better than thread dump sampling, you can see anomalies. E.g. Integer.toHexString time is definitely exaggerated.

            Using Java Flight Recorder and additional JVM options

            Source https://stackoverflow.com/questions/54005401

            QUESTION

            How can I show the hash IDs of all the commits?
            Asked 2019-Jan-29 at 15:22

            This from https://stackoverflow.com/a/54314490/10082400 can show only the hash IDs of selected commits

            ...

            ANSWER

            Answered 2019-Jan-29 at 15:22

            You can use the --all option to rev-list:

            Source https://stackoverflow.com/questions/54423808

            QUESTION

            Android Studio: NullPointerException when trying to click on a object in a list and start a new activity
            Asked 2018-Jun-13 at 21:06

            I have a Room database, containing a list of members. There are different members in a list. I want to click on a specific member and then it should start a new activity where I can see additional information about that member. But when I click on a member, the app crashes.

            Code of my adapter:

            ...

            ANSWER

            Answered 2018-Jun-13 at 20:35

            Your private List mMember in your main activity is not initialized when you acess it (most likely in the listener).

            You could make it private List mMember = new ArrayList instead and have at least an empty list.

            As an alternative, you could insert mMember = new ArrayList(); somewhere before mMemberViewModel.getAllMember().observe(this, new Observer>() in onCreate().

            Source https://stackoverflow.com/questions/50845552

            QUESTION

            delphi THashSHA2 return a wrong SHA256 on huge file
            Asked 2017-Apr-20 at 20:35

            Data.Cloud.CloudAPI.pas has class function TCloudSHA256Authentication.GetStreamToHashSHA256Hex(const Content: TStream): string; that return wrong SHA 256 on some file.

            ...

            ANSWER

            Answered 2017-Apr-20 at 20:35

            I just tested a +1.5 GB file using MS Cyrpto and THashSHA2 on Berlin, they both returned the same hash but MS Crypto like OpenSSL is much faster.

            The problem is that the file is too large to hold in TBytes in one chunk. My record helper has TBytes.MaxLen = $F000; {61440} so you need to use a TFileStream and read the file in chunks into HashSHA2.Update instead.

            Update: As per David Heffernan's comment I retested TBytes.MaxLen and it appears to be only limited by available memory.

            Practical Example and Speed comparison between MS Crypto and Delphi HashSha2

            Note: Requires Jedi API

            Source https://stackoverflow.com/questions/43476183

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install aHash

            You can download it from GitHub.
            Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.

            Support

            Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
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            CLONE
          • HTTPS

            https://github.com/tkaitchuck/aHash.git

          • CLI

            gh repo clone tkaitchuck/aHash

          • sshUrl

            git@github.com:tkaitchuck/aHash.git

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