using System; using System.Runtime.InteropServices; using Mono.Security.Cryptography; namespace System.Security.Cryptography { /// Defines a wrapper object to access the cryptographic service provider (CSP) version of the Data Encryption Standard () algorithm. This class cannot be inherited. // Token: 0x020004F8 RID: 1272 [ComVisible(true)] public sealed class DESCryptoServiceProvider : DES { /// Creates a symmetric Data Encryption Standard () decryptor object with the specified key () and initialization vector (). /// A symmetric decryptor object. /// The secret key to use for the symmetric algorithm. /// The initialization vector to use for the symmetric algorithm. /// The value of the property is .-or-The value of the property is , and the value of the property is not 8.-or-An invalid key size was used.-or-The algorithm key size was not available. /// /// /// // Token: 0x06002F06 RID: 12038 RVA: 0x000977E0 File Offset: 0x000959E0 public override ICryptoTransform CreateDecryptor(byte[] rgbKey, byte[] rgbIV) { return new DESTransform(this, false, rgbKey, rgbIV); } /// Creates a symmetric Data Encryption Standard () encryptor object with the specified key () and initialization vector (). /// A symmetric encryptor object. /// The secret key to use for the symmetric algorithm. /// The initialization vector to use for the symmetric algorithm. /// The value of the property is .-or-The value of the property is and the value of the property is not 8.-or-An invalid key size was used.-or-The algorithm key size was not available. /// /// /// // Token: 0x06002F07 RID: 12039 RVA: 0x000977EC File Offset: 0x000959EC public override ICryptoTransform CreateEncryptor(byte[] rgbKey, byte[] rgbIV) { return new DESTransform(this, true, rgbKey, rgbIV); } /// Generates a random initialization vector () to use for the algorithm. // Token: 0x06002F08 RID: 12040 RVA: 0x000977F8 File Offset: 0x000959F8 public override void GenerateIV() { this.IVValue = KeyBuilder.IV(DESTransform.BLOCK_BYTE_SIZE); } /// Generates a random key () to be used for the algorithm. // Token: 0x06002F09 RID: 12041 RVA: 0x0009780C File Offset: 0x00095A0C public override void GenerateKey() { this.KeyValue = DESTransform.GetStrongKey(); } } }