using System;
using System.Runtime.InteropServices;
using Cpp2IlInjected;

namespace System.Security.Cryptography
{
	/// <summary>Computes a Hash-based Message Authentication Code (HMAC) by using the <see cref="T:System.Security.Cryptography.SHA256" /> hash function.</summary>
	// Token: 0x020003EE RID: 1006
	[Token(Token = "0x20003EE")]
	[ComVisible(true)]
	public class HMACSHA256 : HMAC
	{
		/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA256" /> class with a randomly generated key.</summary>
		// Token: 0x060021D3 RID: 8659 RVA: 0x00002050 File Offset: 0x00000250
		[Token(Token = "0x60021D3")]
		[Address(RVA = "0x2DA8B60", Offset = "0x2DA7960", VA = "0x182DA8B60")]
		public HMACSHA256()
		{
		}

		/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA256" /> class with the specified key data.</summary>
		/// <param name="key">The secret key for <see cref="T:System.Security.Cryptography.HMACSHA256" /> encryption. The key can be any length. However, the recommended size is 64 bytes. If the key is more than 64 bytes long, it is hashed (using SHA-256) to derive a 64-byte key. If it is less than 64 bytes long, it is padded to 64 bytes.</param>
		/// <exception cref="T:System.ArgumentNullException">The <paramref name="key" /> parameter is <see langword="null" />.</exception>
		// Token: 0x060021D4 RID: 8660 RVA: 0x00002050 File Offset: 0x00000250
		[Token(Token = "0x60021D4")]
		[Address(RVA = "0x2DA8AB0", Offset = "0x2DA78B0", VA = "0x182DA8AB0")]
		public HMACSHA256(byte[] key)
		{
		}
	}
}