Class Crypto

Class containing various cryptography utilities

Inheritance
object
Crypto
Inherited Members
Namespace: SipLib.Core
Assembly: SipLib.dll
Syntax
public class Crypto

Methods

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GetRandomByteArray(byte[], int, int)

Fills an array of bytes with random numbers.

Declaration
public static void GetRandomByteArray(byte[] buffer, int offset, int length)
Parameters
Type Name Description
byte[] buffer

Destination
int offset

Starting index in the destination buffer
int length

Number of bytes to write
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GetRandomByteString(int)

Gets an "X2" string representation of a random number.

Declaration
public static string GetRandomByteString(int byteLength)
Parameters
Type Name Description
int byteLength

The byte length of the random number string to obtain.
Returns
Type Description
string

A string representation of the random number. It will be twice the length of byteLength.
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GetRandomInt()

Returns a 10 digit random number.

Declaration
public static int GetRandomInt()
Returns
Type Description
int
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GetRandomInt(int)

Returns a random number of a specified length.

Declaration
public static int GetRandomInt(int length)
Parameters
Type Name Description
int length
Returns
Type Description
int
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GetRandomInt(int, int)

Generates a 32-bit random number between a minimum and a maximum value.

Declaration
public static int GetRandomInt(int minValue, int maxValue)
Parameters
Type Name Description
int minValue
int maxValue
Returns
Type Description
int
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GetRandomString()

Creates a random string of characters. The length is DEFAULT_RANDOM_LENGTH

Declaration
public static string GetRandomString()
Returns
Type Description
string

The random string
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GetRandomString(int)

Creates a string of random characters

Declaration
public static string GetRandomString(int length)
Parameters
Type Name Description
int length

Desired length of the string
Returns
Type Description
string

Random string of random alphabet characters
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GetRandomUInt()

Gets a unsigned 32 bit random number

Declaration
public static uint GetRandomUInt()
Returns
Type Description
uint
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GetRandomUInt16()

Gets a 16 bit unsigned random number

Declaration
public static ushort GetRandomUInt16()
Returns
Type Description
ushort
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GetSHAHash(params string[])

Gets the SHA1 hash of an array of string values

Declaration
public static byte[] GetSHAHash(params string[] values)
Parameters
Type Name Description
string[] values
Returns
Type Description
byte[]
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GetSHAHashAsHex(params string[])

Returns the hash with each byte as an X2 string. This is useful for situations where the hash needs to only contain safe ASCII characters.

Declaration
public static string GetSHAHashAsHex(params string[] values)
Parameters
Type Name Description
string[] values

The list of string to concantenate and hash.
Returns
Type Description
string

A string with "safe" (0-9 and A-F) characters representing the hash.