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Package tlslite :: Module extensions :: Class SRPExtension
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type SRPExtension

source code

This class handles the Secure Remote Password protocol TLS extension defined in RFC 5054.

Instance Methods [hide private]
 
__init__(self)
Create an instance of SRPExtension		 source code
str
__repr__(self)
Return programmer-centric description of extension		 source code
TLSExtension
create(self, identity=None)
Create and instance of SRPExtension with specified protocols		 source code
SRPExtension
parse(self, p)
Parse the extension from on the wire format		 source code

Inherited from TLSExtension: __eq__, write

Inherited from TLSExtension (private): _newCreate, _oldCreate

Static Methods [hide private]

Inherited from TLSExtension (private): _parseExt

Class Variables [hide private]

Inherited from TLSExtension (private): _serverExtensions, _universalExtensions

Instance Variables [hide private]
bytearray extData
a byte array containing the value of the extension as to be written on the wire
int extType
a 2^16-1 limited integer specifying the type of the extension that it contains, e.g.
bytearray identity
UTF-8 encoding of user name

Inherited from TLSExtension: serverType

Method Details [hide private]

__init__(self)
(Constructor)

source code 

Create an instance of SRPExtension

See also: create and parse

Parameters:
  • server - whether to select ClientHello or ServerHello version for parsing
  • extType - type of extension encoded as an integer, to be used by subclasses
Overrides: TLSExtension.__init__

__repr__(self)
(Representation operator)

source code 

Return programmer-centric description of extension

Returns: str
Overrides: TLSExtension.__repr__

create(self, identity=None)

source code 

Create and instance of SRPExtension with specified protocols

Parameters:
  • identity (bytearray) - UTF-8 encoded identity (user name) to be provided to user. MUST be shorter than 2^8-1.
Returns: TLSExtension
Raises:
  • ValueError - when the identity lenght is longer than 2^8-1
Overrides: TLSExtension.create

parse(self, p)

source code 

Parse the extension from on the wire format

Parameters:
Returns: SRPExtension
Raises:
  • SyntaxError - when the data is internally inconsistent
Overrides: TLSExtension.parse

Instance Variable Details [hide private]

extData

a byte array containing the value of the extension as to be written on the wire
Type:
bytearray

extType

a 2^16-1 limited integer specifying the type of the extension that it contains, e.g. 0 indicates server name extension
Type:
int

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