opcua.crypto.security_policies.Cryptography Class Reference

Inheritance diagram for opcua.crypto.security_policies.Cryptography:

List of all members.

Public Member Functions
def	__init__
def	decrypt
def	encrypt
def	encrypted_block_size
def	min_padding_size
def	padding
def	plain_block_size
def	remove_padding
def	signature
def	signature_size
def	verify
def	vsignature_size
Public Attributes
	Decryptor
	Encryptor
	is_encrypted
	Signer
	Verifier

---

Detailed Description

Security policy: Sign or SignAndEncrypt

Definition at line 96 of file security_policies.py.

---

Constructor & Destructor Documentation

def opcua.crypto.security_policies.Cryptography.__init__	(		self,
			mode = MessageSecurityMode.Sign
	)

Definition at line 101 of file security_policies.py.

---

Member Function Documentation

def opcua.crypto.security_policies.Cryptography.decrypt	(		self,
			data
	)

Definition at line 163 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.encrypt	(		self,
			data
	)

Definition at line 157 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.encrypted_block_size

(

self

)

Size of encrypted text block for block cipher.

Definition at line 118 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.min_padding_size

(

self

)

Definition at line 140 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.padding	(		self,
			size
	)

Create padding for a block of given size.
plain_size = size + len(padding) + signature_size()
plain_size = N * plain_block_size()

Definition at line 126 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.plain_block_size

(

self

)

Size of plain text block for block cipher.

Definition at line 110 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.remove_padding	(		self,
			data
	)

Definition at line 168 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.signature	(		self,
			data
	)

Definition at line 148 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.signature_size

(

self

)

Definition at line 145 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.verify	(		self,
			data,
			sig
	)

Definition at line 154 of file security_policies.py.

def opcua.crypto.security_policies.Cryptography.vsignature_size

(

self

)

Definition at line 151 of file security_policies.py.

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Member Data Documentation

opcua::crypto::security_policies.Cryptography::Decryptor

Definition at line 101 of file security_policies.py.

opcua::crypto::security_policies.Cryptography::Encryptor

Definition at line 101 of file security_policies.py.

opcua::crypto::security_policies.Cryptography::is_encrypted

Definition at line 101 of file security_policies.py.

opcua::crypto::security_policies.Cryptography::Signer

Definition at line 101 of file security_policies.py.

opcua::crypto::security_policies.Cryptography::Verifier

Definition at line 101 of file security_policies.py.

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The documentation for this class was generated from the following file:

• security_policies.py