What does it mean cryptographically generated addresses CGAS?
A Cryptographically Generated Address (CGA) [1, 2] is an IPv6 address whose Interface Identifier (the 64 lower bits) is generated by hashing the address owner’s public key. A host proves ownership of a CGA address by proving that it knows the private key associated with it.
What is CGA in cyber security?
A Cryptographically Generated Address (CGA) is an Internet Protocol Version 6 (IPv6) address that has a host identifier computed from a cryptographic hash function. This procedure is a method for binding a public signature key to an IPv6 address in the Secure Neighbor Discovery Protocol (SEND).
What is A Cryptographically Generated Address CGA?
A Cryptographically Generated Address (CGA) is an Internet Protocol Version 6 (IPv6) address that has a host identifier computed from a cryptographic hash function. This procedure is a method for binding a public signature key to an IPv6 address in the Secure Neighbor Discovery Protocol (SEND).
How is the CGA interface identifier formed?
The CGA’s interface identifier is largely formed by Hash1, which is taken from the first 64 bits of the digested CGA Parameters data structure (lines 20 to 24). On line 27, the first three bits are overwritten by the Sec value and the reserved “u” and “g” bits (the seventh and eighth bit) are set to 0.
What is the CGA Parameters data structure?
Apart from the public key that is to be bound to the CGA, the CGA generation method takes several other input parameters including the predefined subnet prefix. These parameters, along with other parameters that are generated during the execution of the CGA generation method, form a set of parameters called the CGA Parameters data structure.
What is the CGA verification method?
The CGA verification method, in which a public key is verified to be bound to a CGA, requires the corresponding CGA Parameters data structure as input and can be implemented as follows.