Class OldAuth

Calculates hash values for data using the old login-system checks.

Inheritance
System.Object
OldAuth
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: MBNCSUtil
Assembly: MBNCSUtil.dll
Syntax
[ComVisible(false)]
public sealed class OldAuth
Remarks

This method of logon would be used in down-level clients using the SID_CLIENTID, SID_CLIENTID2, or SID_AUTH_INFO messages specifying the login style 0 (Old login system).

Methods

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DoubleHashData(Byte[], Int32, Int32)

Calculates the double-pass "broken" SHA-1 hash of the specified data.

Declaration
public static byte[] DoubleHashData(byte[] data, int clientToken, int serverToken)
Parameters
Type Name Description
System.Byte[] data

The data buffer to hash.
System.Int32 clientToken

The client token, a randomly-generated value specified by the client.
System.Int32 serverToken

The server token, a randomly-generated value specified by the server.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.
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DoubleHashData(Byte[], UInt32, UInt32)

Calculates the double-pass "broken" SHA-1 hash of the specified data. This method is not CLS-compliant.

Declaration
[CLSCompliant(false)]
public static byte[] DoubleHashData(byte[] data, uint clientToken, uint serverToken)
Parameters
Type Name Description
System.Byte[] data

The data buffer to hash.
System.UInt32 clientToken

The client token, a randomly-generated value specified by the client.
System.UInt32 serverToken

The server token, a randomly-generated value specified by the server.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.
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DoubleHashPassword(String, Int32, Int32)

Calculates the double-pass "broken" SHA-1 hash of the specified password using ASCII encoding.

Declaration
public static byte[] DoubleHashPassword(string data, int clientToken, int serverToken)
Parameters
Type Name Description
System.String data

The password to hash.
System.Int32 clientToken

The client token, a randomly-generated value specified by the client.
System.Int32 serverToken

The server token, a randomly-generated value specified by the server.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.
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DoubleHashPassword(String, UInt32, UInt32)

Calculates the double-pass "broken" SHA-1 hash of the specified password using ASCII encoding. This method is not CLS-compliant.

Declaration
[CLSCompliant(false)]
public static byte[] DoubleHashPassword(string data, uint clientToken, uint serverToken)
Parameters
Type Name Description
System.String data

The password to hash.
System.UInt32 clientToken

The client token, a randomly-generated value specified by the client.
System.UInt32 serverToken

The server token, a randomly-generated value specified by the server.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.
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HashData(Byte[])

Calculates the single "broken" SHA-1 hash of the specified data.

Declaration
public static byte[] HashData(byte[] data)
Parameters
Type Name Description
System.Byte[] data

The data buffer to hash.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.
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HashPassword(String)

Calculates the single "broken" SHA-1 hash of the specified password using ASCII encoding.

Declaration
public static byte[] HashPassword(string data)
Parameters
Type Name Description
System.String data

The password to hash.
Returns
Type Description
System.Byte[]

A 20-byte buffer containing the hash value.