Most voted "openssl" questions
Openssl is an open-source implementation of SSL and TLS protocols.
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25
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answer350
viewsOpenssl and ASP.NET Webapi
I am developing an internal application, but in a certain module I will need to travel a certain sensitive data. A priori I thought about using SSL, but due to limitations (non-technical) I won’t be…
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answer2413
viewsHow to generate a pdf file containing the digital certificate information?
I have a PHP system that generates a pdf, and I need to use the client’s Digital Certificate to sign this document. I’ve been reading documents, and I saw that the FPDF that I use does not yet…
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answers177
viewsShould I take any action regarding Heartbleed?
As a developer, I have to take some action regarding the Heartbleed? Being a problem in Openssl, I believe it is more within the scope of webmasters, server administrators, etc. But I’m not sure if…
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answers1471
viewsUse Command Line with C#
In my work I use the command line, and wanted to improve the work in my company. To do this, I thought of creating a program in C# for people who do not know how to work with command line. I thought…
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answer401
viewsHow does an e-CPF work?
I do not have a Card or Token, but I would like to know how it works because in the future I must use in the system to generate Certified/Digitally Signed Medical Reports. I have some questions:…
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answers576
viewsWhat is Initialization Vector?
When I used a PHP function, called openssl_encrypt, that encrypts data, I came across the term iv, that is Initialization Vector. I’d like to understand a little bit about that; I saw it in a…
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answers3654
viewsHow to obtain the CPF/CNPJ number of a digital certificate type e-CPF/e-CNPJ on A1 and A3 models?
I am developing an alternative method to login via certificate, without needing java or a specific language, only http and php to process backend information (but that could be manipulated by any…
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answers653
viewsNignx startup error: ngx_master_520 the Event was not signaled for 5s
I am trying to set up an SSL certificate on my web server that uses Windows 2008 RC2 and Nginx. I always come across an error in the log file and this causes Nginx to not run. The error is: Error in…
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answer157
viewsHow do I use Openssl functions in VB.Net?
Is there a DLL that I can use the functions of Openssl, to work with signatures, PEM, etc.? How to work with it?
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answers100
viewsWhat does this error mean after calling the openssl_encrypt function?
When calling the function openssl_encrypt, always returned false. When checking the function openssl_error_string, I get the following error: error:0906D06C:PEM routines:Pem_read_bio:no start line…
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answer49
viewsMaximum memory consumption on linux bash using openssl with aes
#!/bin/sh SUM = 0 for i in {1..5} do t=$((/ usr / bin / time-f '% e' openssl enc -aes-128-ecb -K 1234567890 -in t -out g 1> /dev/null) 2> &1) SUM = `bc <<<" $ SUM + $ t "` done…
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answers560
viewsWhat exactly does '%02x' do?
I was seeing some examples function hash of Openssl and I came across the format specifier %02x. I do not know very well its purpose we codes that I saw. I even understand that the %02x serves to…
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answer4025
viewsHTTPS post is not working in Delphi
I have a project where I need to post requests to a webservice that works with HTTPS, but when I try to post to Indy 10 using Delphi 2007 it throws exception saying that it was not possible to load…
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answers84
viewsDotnet running error on Mac
Good evening, I did the installation of . Net Core as per instructions: https://www.microsoft.com/net/core#macos I created the project directory and when I will run (via terminal), as per command:…
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answer369
viewsConvert cer certificate without PK to PCKS12
I have a Certificate in my account and need to export it to authenticate on a site - following these procedures: link. Only that on import in windows, it does not export along with the private key.…
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answers578
viewsFunction to create hash in SRI pattern
I was looking at a new specification W3C SRI (Subresource Integrity) which roughly means Integrity of the Sub-resource that promises to bring more security to resources hosted on third-party servers…
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answer184
viewsExtract private key from file with extension . DER
I need to extract the private key from a file .DER, however analyzing the function openssl_pkey_get_private I identified that it is necessary to pass as parameter a file with extension .PEM. I tried…
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answers295
viewsMigrate PHP function from mcrypt to Openssl
I have a PHP function that uses mcrypt. The problem is that PHP 7.2 no longer accepts mcrypt... Does anyone know how to redo it to get the same result using Openssl? function Encript($Val, $chave){…
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answers75
viewsMake Openssl work in PHP
I’m trying to make the openssl extension work in php, but I can’t. I am using php 7.3.5 and Windows 10 internal server. Here’s what I’ve tried: $dir = __DIR__ . "\\openssl.cnf";…
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answer879
viewsHow do I set up apache HTTPS for a specific page and HTTP for the others?
I need a specific page to work via HTTPS with a specific certificate. How to configure httpd.conf, httpd-ssl and httpd-vhosts.conf files in apache? has some other file to modify?
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answer1552
viewsError checking Digital Signature - "Unable to load Private Key"
Creating a Digital Signature requires: - Private Key. - Public Key. - HASH of the file to be Signed. I’m using the following algorithm for the process: Source:…
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answers777
viewsError installing Composer on Windows 7 64bit with Wampserver 2.5
I am trying to install Composer on W7 64bits. Using the Windows installer that the Composer website provides (Composer-Setup.exe). I have installed Wampserver 2.5 with php5.5.12 and Apache2.4.9.…
commiserate installation openssl windows-7 file-get-contentsasked 9 years, 2 months ago LeoFelipe 1,455 -
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answer62
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answer146
viewsHow to pass more than one argument using Process + Openssl
Using the following code I pass a certain argument, then I need to pass a password that Openssl requests, but how do I do that? I tried the StandardInput but I received an exception: Additional…
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answers173
viewsDelphi 7 and Openssl
I own a server Ubuntu on the web and have full control of it, is a VPS, have a restful done in django I can read quietly on Delphi7 with the superobjects. My concern is that this communication is…
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answers61
viewsPHP5.6 SSL Protocol
Can anyone explain to me the possible reasons for this mistake: Unable to connect: 35 Unknown SSL Protocol error in Connection to apisandbox.braspag.com.br:443 I’m using the Httful…
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answer228
viewsInvalid ssl certificate when accessing by mobile browsers
I set up the ssl certificates on Amazon’s Ec2 server for the company websites where I work and the desktop was perfect. But when access by mobile https turns red and the browser informs that the…
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answer191
viewsHow do I build a script to compile librtmp with openssl?
I’m implementing the project ijkplayer(android mediaplayer) but I’m having a hard time adapting an automated librtmp compilation(rtmpdump). I have the following example below, used to compile…
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answers20
viewsDirectory . /demoCA does not exist in windows openssl
Hello, I am trying to generate a certificate by windows openssl and came across several errors involving the directory . /demoCA. In the file openssl.cnf dir = . /demoCA I downloaded several…
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answers36
viewsSSL error in Facebook sdk integration with Unity project
Error that appears in Unity. I already tried to install Openssl, but still error.…
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answer2214
viewsAdd an A3 certificate to the Tidssliohandlersocketopenssl component
I would like to know how I can achieve the integration of a digital certificate of the kind A3 to the component Tidssliohandlersocketopenssl. I already managed to perform the search part and choose…
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answers658
viewsDelphi 7 - Inform A3 Certificate at Indy HTTP
Hello, I am trying and unsuccessfully so far to perform the integration with a web service, where I use the Indy HTTP component, updated to version 10 in Delphi 7 to access and make a GET using XML…
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answers410
viewsHow to sign pdf with digital certificate in PHP + Apache + Openssl?
I configured the apache server to use https, managed the server and client certificate with openssl, I would like to know how to create digital signature in PDF documents through the client’s…
php apache certified openssl digital-signatureasked 6 years, 3 months ago Ebertton Abreu Rodrigues 11 -
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answers745
viewsDemoiselle Signer error when signing Crlrepositoryexception certificate
I am developing a project using the Demoiselle Signer framework Demoiselle Signer. However I am unable to sign the document with the generated certificate. It always generates the following error:…
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answers168
viewsProblems when converting a. PFX certificate to . PEM
Working with certificates and occasionally need to perform the conversion of a private certificate in the extension .PFX to the extent .PEM, but I can only consume it in a web service if it is…
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answers43
viewsEncrypt lets for multiple domains with Ubuntu
I wrote a PHP script that creates new websites for my clients, with different domains for each site. This way, I can quickly create a new custom site for my customers. As an example, my domain is on…
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answers1714
viewsGenerate A1 certificates for testing in the ICP-BRASIL standard
I need to generate a FAKE digital certificate with the standard used by ICP-BRASIL for testing systems with the following files: 1. Certificate Chain (Pro system identify the certificate when…
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answer1173
viewsOpenssl in Delphi 7
I need to use the functions of Openssl direct in Delphi 7 and I need help because I am not getting.
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answer1895
viewsHTTPS Sslv3 Indy Delphi 7 error
I am trying to make connection via HTTPS using Sslv3(required to consume a specific service), but when I try to perform the post, I get the following error: At first, I think it’s a problem in the…
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answers1078
viewsAPI access on port 443 returning Connection timed out
I’m setting up a webAPI and after configuring everything (id, key, Signature, other data the api asks for) and authenticate by HEADER in php using json and CURL to post on the site the return is…
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answer174
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answer2181
viewsUnable to find the wrapper "https" - Did you Forget to enable it when you configured PHP?
When launching a script PHP I had a nice surprise : Warning: file_get_contents(): Unable to find the wrapper "https" - Did you Forget to enable it when you configured PHP? Here’s an excerpt from my…
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answers90
viewsC - Openssl (d2i_RSA_PUBKEY, d2i_RSAPrivateKey and d2i_RSAPublicKey)
I created a private RSA key via the following command: openssl genrsa -out keypair.pem 2048 I need these keys to be stored in DER format (PKCS#1). Thus, I converted this private key, which is in PEM…
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answers182
viewsHelp with Wampserver! Helpme! It’s not turning green!
Folks somebody help me with a little something on WampServer. I followed this tutorial from YT (https://www.youtube.com/watch?v=2KmzkPWty7Y&t=522s) Apache in the video is version 2.4.4 and mine…
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answer711
viewsDigital signature with certificate
How to obtain the data generated from a digital signature, made with a Brazilian digital certificate in a PDF, using openssl and php? I am using openssl_verify to verify that the document has not…
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answer2674
viewsValidate digital certificate with ICP-Brasil
As we know, it is possible to generate digital certificates on any computer. These certificates are valid, however, they do not belong to the ICP-Brazil certification chain How could this check be…
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answer167
viewsHow to configure xampp to accept the openssl_pkey_new command?
I’m trying to use the openssl_pkey_new command, it was working very well on wamp, but when using xampp it stopped. The code is like this: $sslConfig = array( "digest_alg" => "sha512",…
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answer214
viewsWarning: libssl.so. 1.0.2, needed by /usr/lib/gcc/x86_64-linux-gnu/6/.. /.. /.. /x86_64-linux-gnu/libcurl.so, may Conflict with libssl.so. 1.1
I’m trying to copy a program that needs some libraries LIBS = -g -lmysqlcppconn -lpthread -lcurl -lboost_serialization -lreadline -lz -luWS -lssl The problem is that -lcurl and some programs need to…
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answer574
viewsHandshake Failure Idhttp - Packaged digital certificate
Rephrasing the question... I was able to get an answer from the webserve, but it is returning the following error: I need to encapsulate a digital Ceritificado together with the requisition and do…
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answers1889
viewsHow to extract the public key from a certificate . pem with Openssl
The command below generates a certificate .pem (equal to those used by AWS): openssl genrsa -des3 -out chaveprivada.pem 2048 However public and private keys are stored together in the archive. How…