using System;
using System.Security.Cryptography;

namespace Mono.Security.Cryptography
{
	// Token: 0x020000A2 RID: 162
	internal sealed class KeyBuilder
	{
		// Token: 0x060008E7 RID: 2279 RVA: 0x00023034 File Offset: 0x00021234
		private KeyBuilder()
		{
		}

		// Token: 0x170000F1 RID: 241
		// (get) Token: 0x060008E8 RID: 2280 RVA: 0x0002303C File Offset: 0x0002123C
		private static RandomNumberGenerator Rng
		{
			get
			{
				if (KeyBuilder.rng == null)
				{
					KeyBuilder.rng = RandomNumberGenerator.Create();
				}
				return KeyBuilder.rng;
			}
		}

		// Token: 0x060008E9 RID: 2281 RVA: 0x00023058 File Offset: 0x00021258
		public static byte[] Key(int size)
		{
			byte[] array = new byte[size];
			KeyBuilder.Rng.GetBytes(array);
			return array;
		}

		// Token: 0x060008EA RID: 2282 RVA: 0x00023078 File Offset: 0x00021278
		public static byte[] IV(int size)
		{
			byte[] array = new byte[size];
			KeyBuilder.Rng.GetBytes(array);
			return array;
		}

		// Token: 0x040001DA RID: 474
		private static RandomNumberGenerator rng;
	}
}