How can I SHA512 a string in C#? please i need an example

Question

i need to hash a mack key,please help me with an example that will accept a string value and display the hash value

Sujeet Suman · Answer

Emma append all byte in a string & print them like below: // Your input string string m_Input = " AD50818167EAC73C109168A0F108F32645C8B59E897FA9 "; // Convert a string to byte byte[] data = Encoding.UTF8.GetBytes( m_Input ); byte[] hash; SHA512 shaM = new SHA512Managed(); // Convert byte to SHA512 hash = shaM.ComputeHash(data); // Append bytes StringBuilder result = new StringBuilder(hash.Length * 2); for (int i = 0; i result.Append(hash[i].ToString(false ? "X2" : "x2")); Console.WriteLine( result ); If this is helpful for you then please accept my Answer .

emma oj · Answer

I need to send a request to a payment switch with the following parameters in asp.net C# and receive an json response, any idea how Sample Request (JSON) GET https://stageserv.interswitchng.com/test_paydirect/api/v1/gettransaction.json?productid=21&transactionreference=8421941122&amount=300000 HTTP/1.1 UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; MS Web Services Client Protocol 4.0.30319.239) Hash: F6FF2E22F99D93DDDA52D71811FD92B3A71FA1968A66216E0D310DAD Sample Response (JSON) HTTP/1.0 200 OK Date: Tue, 30 Oct 2012 16:12:17 GMT Content-Type: application/json; charset=utf-8 Content-Length: 333 {"Amount":300000,"CardNumber":"6055","MerchantReference":"8421941122","PaymentReference":"ZIB|WEB|VNA|15-10-2012|015933", "RetrievalReferenceNumber":"000000538268", "LeadBankCbnCode":null, "LeadBankName":null, "SplitAccounts[],"TransactionDate":"2012-10-15T11:07:54.547","ResponseCode":"00","ResponseDescription":"Approved Successful"} Please help

emma oj · Answer

Yes ,please can i get your email address i would love to work with you on some project am working on,i am based in Nigeria.Looking forward to working with you.Thank you

Sujeet Suman · Answer

Emma have you got it?

emma oj · Answer

Thanks for your reply,how do i Response.Write the hash value of the mac key = AD50818167EAC73C109168A0F108F32645C8B59E897FA9 from your example

Sujeet Suman · Answer

Emma all are same only change your input string like below: // Your input string string m_Input = " AD50818167EAC73C109168A0F108F32645C8B59E897FA9 "; // Convert a string to byte byte[] data = Encoding.UTF8.GetBytes( m_Input ); byte[] hash; SHA512 shaM = new SHA512Managed(); // Convert byte to SHA512 hash = shaM.ComputeHash(data); If this is helpful for you then please accept my Answer .

emma oj · Answer

Thank you Sujeet,please can you help me hash this mack key (AD50818167EAC73C109168A0F108F32645C8B59E897FA9) with an an example with csharp.Looking forward to hearing from you asap.

Sujeet Suman · Answer

Yes Emma you can SHA512 a string. So please once go through below example: // Convert a string to byte byte[] data = Encoding.UTF8.GetBytes("Convert String to SHA512"); byte[] hash; SHA512 shaM = new SHA512Managed(); // Convert byte to SHA512 hash = shaM.ComputeHash(data); If this is helpful for you then please accept my Answer .

How can I SHA512 a string in C#? please i need an example

Answers (8)