# RC2 Class

**.NET Framework (current version)**

Represents the base class from which all implementations of the RC2 algorithm must derive.

**Namespace:**System.Security.Cryptography

**Assembly:**mscorlib (in mscorlib.dll)

System.Security.Cryptography.SymmetricAlgorithm

System.Security.Cryptography.RC2

System.Security.Cryptography.RC2CryptoServiceProvider

Name | Description | |
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RC2() | Initializes a new instance of RC2. |

Name | Description | |
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BlockSize | Gets or sets the block size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) | |

EffectiveKeySize | Gets or sets the effective size of the secret key used by the RC2 algorithm in bits. | |

FeedbackSize | Gets or sets the feedback size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) | |

IV | Gets or sets the initialization vector (IV) for the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

Key | Gets or sets the secret key for the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

KeySize | Gets or sets the size of the secret key used by the RC2 algorithm in bits.(Overrides SymmetricAlgorithm.KeySize.) | |

LegalBlockSizes | Gets the block sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

LegalKeySizes | Gets the key sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

Mode | Gets or sets the mode for operation of the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

Padding | Gets or sets the padding mode used in the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |

Name | Description | |
---|---|---|

Clear() | Releases all resources used by the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.) | |

Create() | Creates an instance of a cryptographic object to perform the RC2 algorithm. | |

Create(String) | Creates an instance of a cryptographic object to perform the specified implementation of the RC2 algorithm. | |

CreateDecryptor() | Creates a symmetric decryptor object with the current Key property and initialization vector (IV).(Inherited from SymmetricAlgorithm.) | |

CreateDecryptor(Byte[], Byte[]) | When overridden in a derived class, creates a symmetric decryptor object with the specified Key property and initialization vector (IV).(Inherited from SymmetricAlgorithm.) | |

CreateEncryptor() | Creates a symmetric encryptor object with the current Key property and initialization vector (IV).(Inherited from SymmetricAlgorithm.) | |

CreateEncryptor(Byte[], Byte[]) | When overridden in a derived class, creates a symmetric encryptor object with the specified Key property and initialization vector (IV).(Inherited from SymmetricAlgorithm.) | |

Dispose() | Releases all resources used by the current instance of the SymmetricAlgorithm class.(Inherited from SymmetricAlgorithm.) | |

Dispose(Boolean) | Releases the unmanaged resources used by the SymmetricAlgorithm and optionally releases the managed resources.(Inherited from SymmetricAlgorithm.) | |

Equals(Object) | Determines whether the specified object is equal to the current object.(Inherited from Object.) | |

Finalize() | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.(Inherited from Object.) | |

GenerateIV() | When overridden in a derived class, generates a random initialization vector (IV) to use for the algorithm.(Inherited from SymmetricAlgorithm.) | |

GenerateKey() | When overridden in a derived class, generates a random key (Key) to use for the algorithm. (Inherited from SymmetricAlgorithm.) | |

GetHashCode() | Serves as the default hash function. (Inherited from Object.) | |

GetType() | ||

MemberwiseClone() | ||

ToString() | Returns a string that represents the current object.(Inherited from Object.) | |

ValidKeySize(Int32) | Determines whether the specified key size is valid for the current algorithm.(Inherited from SymmetricAlgorithm.) |

Name | Description | |
---|---|---|

BlockSizeValue | Represents the block size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) | |

EffectiveKeySizeValue | Represents the effective size of the secret key used by the RC2 algorithm in bits. | |

FeedbackSizeValue | Represents the feedback size, in bits, of the cryptographic operation.(Inherited from SymmetricAlgorithm.) | |

IVValue | Represents the initialization vector (IV) for the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

KeySizeValue | Represents the size, in bits, of the secret key used by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

KeyValue | Represents the secret key for the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

LegalBlockSizesValue | Specifies the block sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

LegalKeySizesValue | Specifies the key sizes, in bits, that are supported by the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

ModeValue | Represents the cipher mode used in the symmetric algorithm.(Inherited from SymmetricAlgorithm.) | |

PaddingValue | Represents the padding mode used in the symmetric algorithm.(Inherited from SymmetricAlgorithm.) |

Note |
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A newer symmetric encryption algorithm, Advanced Encryption Standard (AES), is available. Consider using the Aes algorithm and its derived classes instead of the RC2 class. Use RC2 only for compatibility with legacy applications and data. |

**.NET Framework**

Available since 1.1

Any public static (**Shared** in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.