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Convert this one line of Java code to C#

Camillia
Camillia asked
on
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Last Modified: 2012-07-04
I'm following an example in this link:

https://firstdata.zendesk.com/entries/452518-generating-the-payment-request-form-programmatically

1. I know I need to use .Net's cryptography class.
2. If you look at the example, I need to convert these lines to C#. Any ideas?

// Use Java Cryptography functions to generate the x_fp_hash value
// generate secret key for HMAC-SHA1 using the transaction
 keySecretKey key = new SecretKeySpec(transactionKey.getBytes(), "HmacSHA1");

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and

// Get instance of Mac object implementing HMAC-SHA1, and
// Initialize it with the above secret key
Mac mac = Mac.getInstance("HmacSHA1");mac.init(key);

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