digest | Provides a framework for message digest libraries | Hashing library

 by   ruby C Version: v3.1.1 License: BSD-2-Clause

kandi X-RAY | digest Summary

kandi X-RAY | digest Summary

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

This module provides a framework for message digest libraries. You may want to look at OpenSSL::Digest as it supports more algorithms. A cryptographic hash function is a procedure that takes data and returns a fixed bit string: the hash value, also known as digest. Hash functions are also called one-way functions, it is easy to compute a digest from a message, but it is infeasible to generate a message from a digest.
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            kandi-support Support

              digest has a low active ecosystem.
              It has 41 star(s) with 26 fork(s). There are 34 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 3 open issues and 13 have been closed. On average issues are closed in 410 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of digest is v3.1.1

            kandi-Quality Quality

              digest has 0 bugs and 0 code smells.

            kandi-Security Security

              digest has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              digest code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              digest is licensed under the BSD-2-Clause License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              digest releases are available to install and integrate.
              Installation instructions, examples and code snippets are available.
              digest saves you 1816 person hours of effort in developing the same functionality from scratch.
              It has 4012 lines of code, 350 functions and 25 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

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            digest Key Features

            No Key Features are available at this moment for digest.

            digest Examples and Code Snippets

            No Code Snippets are available at this moment for digest.

            Community Discussions

            QUESTION

            How to use a SHA256 MessageDigest in Java on Linux
            Asked 2021-Jun-15 at 19:42

            I encountered a problem while trying to get my java project running on my Debian 10 server. Everything seems to work, but java throws an error when i try to get an instance of a MessageDigest with "SHA256".

            It occurs in this line:

            MessageDigest digest = MessageDigest.getInstance("SHA256");

            The exception:

            java.security.NoSuchAlgorithmException: SHA256 MessageDigest not available

            Is there a way to install SHA256 functionality or another way i can create a sha256 hash?

            ...

            ANSWER

            Answered 2021-Jun-15 at 19:42
            MessageDigest.getInstance("SHA-256");
            

            Source https://stackoverflow.com/questions/67992442

            QUESTION

            Update drop-down list with new information in shiny
            Asked 2021-Jun-15 at 12:54

            I'm doing a project on Shiny where there are several drop-down menus. The options contained in the menus are stored in a data frame and when running the app you have the option to add more data to the data frame. The behavior I expected was that the options in the drop-down menu would automatically update with changes in the data frame, but this doesn't happen.

            Is this possible to be done in Shiny? If yes, how?

            Here's a code with an example of how I'm doing.

            ...

            ANSWER

            Answered 2021-Jun-15 at 12:54

            You have several issues here.

            1. The second selectInput depends on the first one, so you need to update it also to display the updated dataframe.
            2. It would be best to create a reactiveValues object as the dataframe to be updated.
            3. You need an observeEvent to update the second selectInput, whenever the first one is updated.

            Lastly, dataframe is updated only when the actionButton on the second tab is clicked - to avoid updating dataframe while typing long text.

            Try this

            Source https://stackoverflow.com/questions/67984907

            QUESTION

            postfix and openJDK 11: "No appropriate protocol (protocol is disabled or cipher suites are inappropriate)"
            Asked 2021-Jun-15 at 08:30

            I know there are some other questions (with answers) to this topic. But no of these was helpful for me.

            I have a postfix server (postfix 3.4.14 on debian 10) with following configuration (only the interesting section):

            ...

            ANSWER

            Answered 2021-Jun-15 at 08:30

            Here I'm wondering about the line [in s_client]
            New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384

            You're apparently using OpenSSL 1.0.2, where that's a basically useless relic. Back in the days when OpenSSL supported SSLv2 (mostly until 2010, although almost no one used it much after 2000), the ciphersuite values used for SSLv3 and up (including all TLS, but before 2014 OpenSSL didn't implement higher than TLS1.0) were structured differently than those used for SSLv2, so it was important to qualify the ciphersuite by the 'universe' it existed in. It has almost nothing to do with the protocol version actually used, which appears later in the session-param decode:

            Source https://stackoverflow.com/questions/67899129

            QUESTION

            How to create in C or C++ the contents value of Sig type object for digital signature in PDF?
            Asked 2021-Jun-15 at 06:14

            We are programmatically creating PDF using our in house lib (C++) by adding all the required objects so that PDF readers can render them properly. Currently we are enhancing the lib to support digital signatures in PDF. Our users will use USB token or Windows certificates to sign the PDF. On studying raw PDF file with digital signature, we were able to make sense of all the objects except for the contents of Sig type object.

            ...

            ANSWER

            Answered 2021-Jun-10 at 16:48

            Ok, the signature container is embedded correctly.

            But there are issues with the signature container itself:

            • Both in the SignedData.digestAlgorithms collection and in the SignerInfo.digestAlgorithm value you have used the OID of SHA1withRSA, but that is a full signature algorithm, not the mere digest algorithm SHA1 expected there.

            • Then the SHA1 hash of the signed bytes is BB78A402F7A537A34D6892B83881266501A691A8 but the hash you signed is 90E28B8A0D8E48691DAFE2BA10A4761FFFDCCD3D. This might be because you hash buffer2 and

              buffer2 has empty contents data (/Contents <>)

              The hex string delimiters '<' and '>' also belong to the contents value and, therefore, must also be removed in buffer2.

            Furthermore, your signature is very weak:

            • It uses SHA1 as hash algorithm. SHA1 meanwhile has been recognized as too weak a hash algorithm for document signatures.
            • It doesn't use signed attributes, neither the ESS signing certificate nor the algorithm identifier protection attribute. Many validation policies require such special attributes.

            Source https://stackoverflow.com/questions/67667032

            QUESTION

            Hash a hexadecimal number using SHA-256 in java
            Asked 2021-Jun-12 at 08:25

            I have written a code to hash a hexadecimal number using SHA-256 in Java. Please see my code.

            ...

            ANSWER

            Answered 2021-Jun-12 at 08:25

            Without using BigInteger:

            Source https://stackoverflow.com/questions/67938522

            QUESTION

            How can I verify an HTTP HMAC Signature in Bash?
            Asked 2021-Jun-11 at 21:47

            I'm needing to verify an HTTP HMAC signature for a program I use (Drone CI, trying to create an extension), but nothing I'm trying is getting the results to match.

            Specifically, the HTTP request looks like this:

            ...

            ANSWER

            Answered 2021-Jun-11 at 01:55

            They appear to be using an implementation of the http signatures draft.

            The linked document explains the way the signature needs to be calculated and how to verify it. But this is probably why your example doesn't work:

            2.1.3. headers

            OPTIONAL. The headers parameter is used to specify the list of HTTP headers included when generating the signature for the message.

            Basically the signature doesn't include just the message, probably to prevent replay attacks. Since you just hash the message it is working as intended.

            Source https://stackoverflow.com/questions/67914435

            QUESTION

            Unable to scrape table in dynamic multitab website using rvest
            Asked 2021-Jun-11 at 15:38
            my objective

            The objective of my code is to scrape the information in the Characteristics tab of the following url, preferably as a data frame

            ...

            ANSWER

            Answered 2021-Jun-11 at 15:38

            The data is dynamically retrieved from an API call. You can retrieve direct from that url and simplify the json returned to get a dataframe:

            Source https://stackoverflow.com/questions/67938126

            QUESTION

            Authserver.exe will not start
            Asked 2021-Jun-11 at 14:36

            I proceeded to follow the instructions for Keeping the source Up-to-Date and proceeded to compile the code. Now I'm unable to start the server. I get the following error message when starting the authserver.exe. Can anyone help me figure out what I've done? Please advise...

            ...

            ANSWER

            Answered 2021-Jun-08 at 07:28

            You also need to import the database updates. Currently your auth server is trying to access tables and fields in your acore_auth database which don't exist.

            https://www.azerothcore.org/wiki/database-keeping-the-server-up-to-date

            Source https://stackoverflow.com/questions/67882645

            QUESTION

            What does read_csv() use random numbers for?
            Asked 2021-Jun-10 at 19:21

            I just noticed that read_csv() somehow uses random numbers which is unexpected (at least to me). The corresponding base R function read.csv() does not do that. So, what does read_csv() use the random numbers for? I looked into the documentation but could not find a clear answer to that. Are the random numbers related to the guess_max argument?

            ...

            ANSWER

            Answered 2021-Jun-10 at 19:21

            tl;dr somewhere deep in the guts of the cli package (called to generate the pretty-printed output about column types), the code is generating a random string to use as a label.

            A major clue is that

            Source https://stackoverflow.com/questions/67909394

            QUESTION

            How to configure correctly an authentication using Tomcat 10?
            Asked 2021-Jun-10 at 13:44

            I'm using Tomcat 10 and eclipse to develop a J2E (or Jakarta EE) web application. I followed this tutorial (http://objis.com/tutoriel-securite-declarative-jee-avec-jaas/#partie2) which seems old (it's a french document, because i'm french, sorry if my english isn't perfect), but I also read the Tomcat 10 documentation.
            The dataSource works, I followed instructions on this page (https://tomcat.apache.org/tomcat-10.0-doc/jndi-datasource-examples-howto.html#Oracle_8i,_9i_&_10g) and tested it, but it seems that the realm doesn't work, because I can't login successfully. I always have an authentification error, even if I use the right login and password.
            I tried a lot of "solutions" to correct this, but no one works. And I still don't know if I have to put the realm tag inside context.xml, server.xml or both. I tried context.xml and both, but i don't see any difference.

            My web.xml :

            ...

            ANSWER

            Answered 2021-Jun-10 at 13:44

            As Piotr P. Karwasz said it, I misspelled dataSourceName in context.xml and server.xml file. I feel bad that I didn't notice it.

            But I still have one question : In which document should I put the realm tag ?

            Source https://stackoverflow.com/questions/67908137

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

            Vulnerabilities

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            Install digest

            Add this line to your application's Gemfile:.

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            Bug reports and pull requests are welcome on GitHub at https://github.com/ruby/digest.
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            https://github.com/ruby/digest.git

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            gh repo clone ruby/digest

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            git@github.com:ruby/digest.git

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