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Verify Signed Message with Server's Public Key?
Relevant Docs: https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.rsacryptoserviceprovider.verifydata?view=net-9.0
Code in reply.
After calling
RetrievePublicKey() on client and then ProtectedSign("Hello") keep getting false printed because _clientRsaProvider.VerifyData(dataToCompare, SHA1.Create(), signedBytes) is False.
I don't understand why this is. dataToCompare is "Hello" in ASCII encoded bytes, and signedBytes is the same as signedDataBytes = _rsaProvider.SignData(originalMessageBytes, SHA1.Create()) on the server, just reverse-engineered by the client by using the hex string passed by the server.26 replies