Most voted "digital-signature" questions
Digital signature is a technique used to authenticate documents and software. Its integrity is basically maintained through strong encryption algorithms. The use of the signature or digital firm provides undeniable proof that a message came from the sender. To verify this requirement, a digital signature must have the following properties: authenticity, integrity and untranslatability.
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25
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answer8303
viewsHow to sign a PDF digitally?
I am developing a PHP system with the Laravel 5.1 framework that will generate some technical reports, and the client wants these reports to be digitally signed, IE, que conste la no PDF generated…
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9
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answer2436
viewsWhat is the correct order of the ICP-Brazil certificate chain so that the certificate of an e-CPF and e-CNPJ is requested via TLS Handshake?
To authenticate a user using the digital certificate, and to obtain this certificate in the backend it is necessary to enable the "SSL/TSL Handshake" option on the web server with the option to…
authentication ssl certified digital-signature brazilasked 7 years, 2 months ago LeonanCarvalho 3,527 -
8
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answer3149
viewsDigital signature of software
I use the Antivirus Kaspersky and for it to allow my software, written in Delphi, run I needed to mark it as reliable software. The reason that the Kaspersky was that the software is unreliable…
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8
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answer7789
viewsHow to sign documents with digital certificate?
I would like to know how to sign documents with digital certificate using Delphi or Lazarus. If someone knows of some component, free preference, or some function that I can use would help a lot.…
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8
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answers3639
viewsValidation of digital signature
I am developing a software integration with the legal note webservice for issuance of electronic tax notes of the city of Porto Alegre. After some difficulties I was able to fine tune the xml so…
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7
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answer396
viewsTesting with digital certificates
I wonder if anyone knows a way to test with digital certificates. I have the following situation, my system works normally with digital certificates. However when the configured certificate expires…
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6
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answer1437
viewsRetrieve information from digital certificate
I’m working with digitally signed PKCS#7 PDF files. I searched the Internet and I can’t find a way to retrieve subscriber information. Using the class SignedCms I can even get some information when…
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6
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answer2687
viewsString signature in Base64
In my project, I have a rule that I need to sign the string of a XML that I have you on Base64 with the user’s CPF... I’ve been doing some research, but I couldn’t quite understand how this…
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6
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answer4278
viewsHow to sign a PDF digitally in C#?
I need to digitally sign one PDF previously created. This PDF is being created through a Web Service who uses the Interop of Office to generate from a Template Office. I already have access to ICP…
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6
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answers1142
viewsSigning Nfs-e in C# generates error Poorly formed Reference Element
out of nowhere my code in C# stopped signing the Nfs-e of Curitiba. In the code line below, gives the error: signedXml.ComputeSignature(); Errro Elemento Reference mal formado Does anyone know if it…
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5
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answer460
viewsHow do I communicate Javascript data in JSF?
I am developing an application that performs digital signature. In it, I upload a file PDF that has the address stored in a variable JavaScript. In the background, there is an application in JSF,…
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5
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answer2258
viewsNFE Digital Signature(Electronic Invoice)
I am developing NFE in the Python language, I already Gero the XML, I can send it to Webservice and I get the answer, what I need now is the digital signature The signature is an xml tag with some…
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4
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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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4
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answers187
viewsHow to implement certificate chains? What is the importance/operation?
I created a local application in VS and when climbing the server the application was not with all the resources of the local application, in the application I am using X.509 and found a difference…
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3
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answer361
viewsHow does Digital Subscription work in the Healthcare System?
For more than a month I have been doing the search on this subject but so far I found almost nothing on the subject, someone would know explain to me how it works, after acquiring an e-CPF as…
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3
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answer1824
viewsHow to request a digital certificate and use the public key to sign a string?
I’m developing a web site for my TCC at php, and I’m at an impasse: My application will need to request a digital certificate, which may be the file .cer or load from the user’s repository and sign…
php javascript web-application certified digital-signatureasked 7 years, 7 months ago adrianosmateus 755 -
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answers1298
viewsXML digital signature with Nodejs
Good morning I’m using the xml-crypto and the pem to sign an XML. However after searching I did not find a way to solve this problem: var certificado = cert.cert.toString().replace('-----BEGIN…
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3
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answer521
viewseSocialBX: Invalid signature error
I am trying to consume the Event Identifiers Query Webservice. But I get this return from the Recipe: <eSocial…
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2
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answers831
viewsHow do I digitally sign a . pem file using the SHA256 algorithm
I have a. pem file converted from a A3(.pfx) digital certificate I need to sign 2 Cnpjs concatenated using this file. pem, which contains 2 Keys 1 Public and another Private, I need to use the…
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2
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answer1007
viewsHow to implement PKCS#7 (components->class, library, dll, plugins and others) in a MVC5 web application
I’m trying to implement PKCS#7 in an application web mvc5 found some solutions for application desktop, never added desktop(class,dll,Ference etc) solutions to a web application, maybe it’s the…
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answers242
viewsIs it possible to sign Pdfs reports in the ICP BRASIL 15 standard with the PHP language?
The client wants the pdfs reports on my system to be digitally signed with ICP standard BRASIL 15. Question 1: PHP alone with the function openssl-pkcs7-sign signed ICP Brazil 15 ? Second question:…
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answers1214
viewsUse of A1 digital certificate installed on the server
I work with the development of a Java web application for managing electronic medical records, in which it is necessary to sign XML documents digitally. This application is used by more than 200…
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1
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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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1
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answers613
viewsError accessing digital certificate page through Webbrowser Control Windows Forms
I’m trying to access through Control Webbrowser of Windows Forms . net 4.0 a page that requires a digital certificate. The site is only approved for versions 8 and 9 of the IE. The IE version of the…
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answers616
viewsUse Digital Certificate without being installed on the computer
I wanted to know if there is any way to use digital certificates in an application without the need for the digital certificate to be installed on the machine.As in the issue of Invoice, I always…
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1
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answer3208
viewsProblem with digital signature SHA-256
I am generating an xml and signing with SHA-256, but when validating the signature soon after java says that it is not valid xml generated and signed: <soap:Envelope…
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1
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answer246
viewsEFD-Reinf XML Signature - "Badly formed Reference Element."
I’m new to the community and I’m developing a C# application for EFD-REINF. I had a problem with the subscription and I received a great help from Pedro in this link. I’m still not able to send XML…
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1
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answer1165
viewsxml error eSocial: Invalid event signature. Only one 'Keyinfo/X509data' Element is required/allowed
I have the error: Invalid event signature. Only one 'Keyinfo/X509data' Element is required/allowed Before that I received the error that should change the signature method Transform to:…
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1
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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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answer325
viewsSignature validation error in Iti checker using demoseller to sign document
I am signing documents in CADES format and using the Demosello library in version 3.2.10 "org.demoiselle.Signer","org.demoiselle.Signer", and "org.demoiselle.Signer" the act of signing and checking…
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1
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answer862
viewsHow to sign NF-e XML in ASP.NET Core using NF-e 4.00 signature standards?
I am developing an API with ASP.NET Core, communicating with Sefaz to send NF-and, however I am having a problem signing XML, below is the code that makes the signature: var listas =…
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answers121
viewsWebservice of the Municipality of Salvador, error: 1057 Rejection: Signature differs from calculated
Fala galera. I am trying to send an NFTS to Salvador City Hall via Webservice in Java. (I am using their Test endpoint before sending) I sign the NFTS tag and store the byte array in the tag, then…
digital-signatureasked 6 years ago Eduardo Rossi 11 -
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answer774
viewsDownload zipalign for Mac
Hello! I just signed a test app on Android Studio and would like to upload it to Google Play. I did some research and I saw that zipalign facilitates the process of importing the APK, however, I…
android android-studio download zip-file digital-signatureasked 9 years, 4 months ago Luiz Henrique Ugliano 651 -
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answers505
viewsLeave XML in a single line
My c# application gets the idented xml. I need to leave this xml all in one line. How can I do this?
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0
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answer1753
viewsGenerate digital signature file with Delphi 7
I can list all digital certificates with CAPICOM, choose the certificate I want to use for signing, get the file I want to sign, generate the md5 I can even sign, but I can’t generate a file P7S be…
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answers917
viewsSign pdf with PHP
I have to digitally sign some documents on PDF. How do I do it in php? What extent the certificate has to be ? I’m having great difficulty finding a solution if you can help thank you.…
php pdf certified mpdf digital-signatureasked 6 years, 11 months ago Maicon Fernando Stefene da Sil 141 -
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answers453
viewsCapture, as string, xml-specific tag
You only need to save the signature tag of an xml. The method for signature is this: private void assinarMdfe(String tipo, XMLSignatureFactory fac, ArrayList<Transform> transformList,…
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0
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answers809
viewsValidate digital signature with TCPDF-generated PHP
Hello, I’m developing an application in PHP that Feature would have to sign documents digitally with the A1, I know that under desktop This is much easier, but I want to do it in PHP. I already…
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answers265
viewsCAPICOM use for signature in Delphi
I’m using the capicom.dll on Delphi to perform the signature on files (planned in .pdf). I’ve been able to read the certificates My of the area CAPICOM_CURRENT_USER_STORE. But I have the following…
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0
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answers49
viewsNo return when fetching the Private Certificate Key
I need to sign a string with a digital certificate. However, when passing through the line that searches for the private key, the variable rsa is getting the NULL value, falling into the if and…
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0
votes0
answers36
viewsProblem with RPS Signature and Batch (NFS-e)
I’m trying to sign the data block of the Gerarnfse method. It is necessary to sign the RPS and the batch. However, when sending, I always get the invalid signature message. Follow the code I’m…
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answers26
viewsError signing Sisobrapref XML document - Invalid Transmitter Certificate - C#
Every time I send a document . xml to Webservice returns me the following message: "Invalid Transmitter Certificate" I am following the following documentation: Documentación Sisobrapref Someone can…
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answer437
viewsIs it possible to create a 100% cloud service to sign documents with digital certificate?
My idea, well summarized, is to upload a file in the browser, where the browser will ask the user to select the certificate and thus the site will return the signed document. Li in this topic a way…
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-1
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answer209
viewsNfse - Standard São Paulo and Blumenau, problem with error 1057 and signature?
Let’s go in pieces. First, I already tested Enviorps and Envioloterps and both return the same error: [1057] Rejeição - Assinatura difere do calculado. I’m forming XML and it’s getting this way:…
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answer1045
viewsAssinar xml Nfse paulistana
I did a program in C# who signs the XML in batch of the legal note of Porto Alegre. Now the company in which I work opened a branch in São Paulo and I need to sign the XML batch of the São Paulo tax…