Class InlineParams

Class for storing and managing the parameter of the "inline" SRTP key-param of an SDP crypto media attribute. See Section 9 of RFC 4568.

Inheritance
object
InlineParams
Inherited Members
Namespace: SipLib.RtpCrypto
Assembly: SipLib.dll
Syntax
public class InlineParams

Fields

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Lifetime

Specifies the lifetime of the master key in RTP packets. A value of 0 indicates that the default lifetime is to be used. Must be an integral power of 2. A value of 0 indicates that the default lifetime of 2^48 should be used.

Declaration
public ulong Lifetime
Field Value
Type Description
ulong
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MKI

Specifies the Master Key Identifier (MKI) for the master key. A value of 0 indicates that master key identifiers are not being used.

Declaration
public int MKI
Field Value
Type Description
int
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MKI_Length

Specifies length in bytes of the MKI in the SRTP or SRTCP packet.

Declaration
public int MKI_Length
Field Value
Type Description
int
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MasterKey

Contains the master key byte array. Must be a valid length for the AES algorithm (16 bytes for AES-128), (24 bytes for AES-192 or 32 bytes for AES-256).

Declaration
public byte[]? MasterKey
Field Value
Type Description
byte[]
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MasterSalt

Contains the master salt byte array. Must be 14 bytes in length for SRTP.

Declaration
public byte[]? MasterSalt
Field Value
Type Description
byte[]

Methods

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Parse(string, int)

Parses the "inline=" portion of an SDP crypto attribute.

Declaration
public static InlineParams? Parse(string Inline, int KeyLength)
Parameters
Type Name Description
string Inline

String containing the "inline=" portion of the crypto attribute. Needs to be in the form: "inline:MTIzNDU2Nzg5QUJDREUwMTIzNDU2Nzg5QUJjZGVm|2^20|1:4". See Section 9.1 of RFC 4568.
int KeyLength

Master Key length in bytes. Must be 16, 24 or 32, depending on the crypto suite.
Returns
Type Description
InlineParams

Returns a new InlineParameters object if the input is valid or null if the input is not valid.
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ToString()

Converts this object into a formatted string for inclusion as an inline key param. in a crypto SDP attribute.

Declaration
public string ToString()
Returns
Type Description
string

Returns a string representation of this object.