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Questions tagged [sign]

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or document.

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or document. A valid digital signature gives a recipient reason to believe that the message was created by a known sender, such that the sender cannot deny having sent the message (authentication and non-repudiation) and that the message was not altered in transit (integrity).

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Java: Perform mathematical operation while ignoring sign

I am trying to make a game involving the calcualtion of forces needed to perform some simple mathematical operations. I have a dx variable that represents both the speed and direction along the X-axis. Now I want to subtract friction but it would…
Samuel Willems
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MS Access 1:0..1 relationship not working as expected

I have a main table called person and child tables member, volunteer, sponsor which are connected to the main table as 1:0..1 in ms access. But when I am about to enter records in let's say volunteer, I get the little plus sign from which I can…
barack o mama
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What does the %-sign in a function

I'm an absolute js novice and I'm self-tought which doesn't make it better. I have the following function and want to understand what exactly the '% 5' does in it. $(function() { $(".carad" + new Date().getTime() % 5).css("display",…
Stephan Bartholomä
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How to sum up negative and positive numbers in a list based on the row they occur

This is my original list: list1 = [1,2,5,-2,-3,5,6,-3,0,-2,1,0,2] I need to create a list of sum-up positive and negative as below: list2 = [8,-5,11,-5,3]
Amin Shariffar
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How can my client upload ios app without give access to the source code?

How can I share the ios app with the client so that he signs it and uploads it to the store without giving him access to the source code?
Rodrigo Morgavi
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Hyperledger Fabric Go Chaincode - Signing inside chaincode code

I'm working on Hyperledger Fabric with Golang Chaincode and I have the following question. Is it possible to have each endorser sign something in the code of the chaincode? For example: I have a client proposing a transaction and I want to not only…
Miguel Reis
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how to fix the "speed bump" sign in windows pop up

want to implement an auto unlock credential. I used the SampleV2CredentialProvider demo, and wrote the account password in the "CSampleCredential::Initialize" as follow hr = SHStrDupW(L"mypassword", &_rgFieldStrings[SFI_PASSWORD]); and change the…
jane
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Is it possible to sign/encrypt data on the client-side to ensure it was not manipulated by the user?

I save information in local storage and I want to make sure the user didn't replace the data or had fun with it. The client receive an object, javascript analyse it, do it's thing and store some of it in the browser's local storage. The data is sent…
HypeWolf
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Return 2 arrays from array based on sign

I'm looking to be able to return 2 arrays from an initial array, all the same size of course. One would replace all of the negative numbers with 0 and retain the positives, the other would replace all the positives with zero and retain the absolute…
Thomas Nicholson
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Sign and 0 in front of double

I need some mechanism to count numbers from -178.125 through -1.875 and +000.000 to +180.000 with step 1.875 so it always has plus or minus sign in the front of the number and has three digits, then dot and then three digits again. The only thing…
Štěpán Šubík
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How to sign data using .p12 in UWP

I have codes to sign data in desktop app. But it don't work with UWP because I can't use these namespace using System.Security.Cryptography; using System.Security.Cryptography.Pkcs; using System.Security.Cryptography.X509Certificates; This is full…
Dat Dat
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Integral of a sign function proof

Can anyone please prove this expression below? I saw this in a paper and trying to see where it is coming from. integral(sign(A*w*cos(w*t+phi))*cos(w*t), t, 0, 2*pi/w) = 4/pi*cos(phi)
Baha
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php hashing - trying to add a sign up page to add to database with hashing

I'm trying to add password hashing. Am I doing this right? I've downloaded the password.php and required it in my sight up page. Am I on the right track? if($oForm2-> valid == true){ $oUser = new User(); $oUser-> FirstName =…
zac
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(PHP) LogIn script Doesn't work

Chris
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RSA signing in C# for licensing

(Approach #2) I need to make a software activation mechanism. So i ended up with this scheme: App creates a unique id, based on computer's hardware. Buyer emails this id to me. I sign it with my private key and i send back the signed string. App…
monica
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