2 // HMACSHA1.cs: Handles HMAC with SHA-1
5 // Sebastien Pouliot <sebastien@xamarin.com>
7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
9 // Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
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32 using System.Runtime.InteropServices;
34 using Mono.Security.Cryptography;
36 namespace System.Security.Cryptography {
39 // a. FIPS PUB 198: The Keyed-Hash Message Authentication Code (HMAC), 2002 March.
40 // http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
41 // b. Internet RFC 2104, HMAC, Keyed-Hashing for Message Authentication
42 // (include C source for HMAC-MD5)
43 // http://www.ietf.org/rfc/rfc2104.txt
44 // c. IETF RFC2202: Test Cases for HMAC-MD5 and HMAC-SHA-1
45 // (include C source for HMAC-MD5 and HAMAC-SHA1)
46 // http://www.ietf.org/rfc/rfc2202.txt
47 // d. ANSI X9.71, Keyed Hash Message Authentication Code.
49 // http://webstore.ansi.org/ansidocstore/product.asp?sku=ANSI+X9%2E71%2D2000
52 public class HMACSHA1 : HMAC {
55 : this (KeyBuilder.Key (8))
59 public HMACSHA1 (byte[] key)
62 SetHash ("SHA1", new SHA1Managed ());
70 public HMACSHA1 (byte[] key, bool useManagedSha1)
72 HashName = "System.Security.Cryptography.SHA1" + (useManagedSha1 ? "Managed" : "CryptoServiceProvider");