Questions tagged [rsacryptoserviceprovider]

The RSACryptoServiceProvider object performs asymmetric encryption and decryption using the implementation of the RSA algorithm provided by the cryptographic service provider (CSP).

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RSA Key Store Permissions

Since yesterday I haven't been able to generate strong name keys using sn.exe or through Visual Studio which also uses sn.exe. When attempting to generate a key file the following cimmand is executed sn - k "key file.snk" sn.exe then responds…
Crippledsmurf
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Verify integrity Ceritifcate { RSACryptoServiceProvider - SHA1 - thumbprint }

I have a little problem. I want to verify the integrity of a certificate. So I did this code: using System.Security.Cryptography; using System.Runtime.InteropServices; using System.Security.Cryptography.X509Certificates; SHA1Managed sha1 = new…
Custo
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What is the "limit" to the variety of strings that can be encrypted/decrypted using RSACryptoServiceProvider (C#)?

Following is my implementation of Rsa encryption and decryption methods, to do it I based myself on microsoft…
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How to pass CspParameters to another RSACryptoServiceProvider to encryption and Decrypt it

I'm currently working on a project with Xamarin and WCF, in which WCF will generate CspParameter at WCF and pass the Blob to Xamarin. CspParameters cspParams = new CspParameters(); cspParams.KeyContainerName = KEY_CONTAINER_NAME; cspParams.Flags =…
TPG
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Decrypt a mesage using RSA in .NET - m**d mod p*q not working

I am experimenting with Mega encryption API, and I am stuck with the RSA decryption part. The JavaScript used is this: // Compute m**d mod p*q for RSA private key operations. function RSAdecrypt(m, d, p, q, u) { var xp = bmodexp(bmod(m,p),…
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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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