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EXISTING SYSTEM

PROPOSED SYSTEM

EXISTING CONCEPT:-

Existing process heavyweight signature generation and verification algorithms prevent universal integrity verification among NDN nodes, which may result in content pollution and denial of service attacks.

Heterogeneous network setting are only needed to achieve the same delay performance as the performance limit of any two-hop relay forwarding policy under its homogeneous counterpart.

 PROPOSED CONCEPT: -

We propose a lightweight integrity verification architecture (LIVE) that emphasizes controlling content access in NDN by leveraging content integrity verification.

We also analyze CPs’ security policies for content access in NDN nodes to ensure secure content access.

 EXISTING TECHNIQUE:-

Named data networking (NDN) Algorithm.

PROPOSED TECHNIQUE:-

Key Generation and Encryption algorithm.

 TECHNIQUE DEFINITION:-

Security mechanism in NDN with a minimal extension. Particularly, our design is based on the fact that the current NDN design requires a signature field in each content packet for content integrity verification.

Intuitively, NDN nodes, i.e., content routers and end users (devices), are willing to cache or consume a data packet only after its integrity is successfully verified, which means that the packet is not tampered or faked.

TECHNIQUE DEFINITION:-

The signing algorithm in LIVE performed by a CP. To generate a signature for a content, the CP needs to generate a new token key vector X and uses the hash algorithm to produce a new token.

The signature verification algorithm performed in an NDN node, which is similar to the signing algorithm.

The NDN node computes the bit vector g with the MHT algorithm according to the received content and the token.

DRAWBACKS:-

Traditional signature schemes, it is not easy to revoke public keys so that it may not be possible to revoke content verification permissions assigned to content routers or users at run time.

Existing security mechanism in NDN with a minimal extension.

ADVANTAGES:-

Simple integrity verification in LIVE.

We seek to address efficient integrity verification and content access (including caching) control with a single solution in the network layer.