Existing System Clause Samples

Existing System. ▇▇▇▇▇ and ▇▇▇ [9] proposed a property-based proxy re-encryption scheme to enable users to achieve authorization in access control environments. However, ▇▇▇▇▇ and Au [10] pointed out that this scheme does not have Adaptive security and CCA security features. Sun et al. [12] introduced a new proxy broadcast repeat encryption (PBRE) scheme and proved its security against selective cipher text attack (CCA) in a random oracle model under the decision n-BDHE hypothesis. ▇▇ and ▇▇▇ [13] proposed a broadcast agent encryption (RIBBPRE) security concept based on revocable identity to solve the key revocation problem. In this RIB-BPRE scheme, the agent can undo a set of delegates specified by the principal from the re-encryption key. They also pointed out that the identity-based broadcast agent re-encryption (RIB-BPRE) schemes do not take advantage of cloud computing, thus causes inconvenience to cloud users. ▇▇▇ et al. [14] proposed a secure multi-owner data sharing scheme for dynamic groups in the cloud. Based on group signature and dynamic broadcast encryption technology, any cloud user can share their data anonymously with others. ▇▇▇▇ et al. [15] proposed a cloud user data integrity check scheme based on polynomial authentication tag and agent tag update technology, which supports multi-user modification to resist collusive attack and other features. ▇▇▇ et al. [16] proposed a secure data sharing cloud (SeDaSC) method using a single encryption key to encrypt files. This scheme provides data confidentiality and integrity, forward and backward access control, data sharing and other functions. ▇▇ et al. [17] proposed a new attribute-based data sharing scheme to assist mobile users with limited resources based on cloud computing. Authentication and key agreement is a method that enables both parties to secretly calculate the session key on a public channel, which have been widely studies [18]–[31]. As early as 1993, ▇▇▇▇▇▇ [18] proposed that only a difference in the received signals helps achieving perfect cryptographic security, regardless of the enemy’s computing power. But they have not considered the advantage of legitimate communicants. suffices for achieving perfect cryptographic security, regardless of the enemy’s computing power. ▇▇ and ▇▇▇ [19] proposed a medical key negotiation scheme based on patient symptom matching. However, He et al. [32] pointed out that ▇▇’s scheme does not provide an identity tracking and resistance modification function and furthe...

Existing System. Key pre-conveyance framework (KPS) (a.k.a. no interactive gathering appropriation framework) can be viewed as a non-intelligent gathering key exchange. For this situation, the mutual key of a given gathering is settled after the setup. In the event that a gathering is overhauled, then the mass key changes to the common key of the new amass. The disadvantage of KPS is that the client key size is combinatorial huge in the aggregate number of clients (if the framework is genuinely secure). Another downside is that the gathering key of guaranteed gather can't be changed regardless of the possibility that it is spilled surprisingly (e.g., cryptanalysis of figure writings bearing this key). The key size issue might be overcome if a calculationally secure framework is utilized, while the key spillage issue is difficult. Assist, calculationally secure KPS is just familiar for the two party case and the three-party case KPS with a gathering size more noteworthy than 3 is still open. The client key size is combinatorial substantial in the aggregate number of clients (if the framework is unequivocally secure).The assemble key of a given gathering can't be changed regardless of the possibility that it is spilled suddenly.

Existing System. Electrical service for the Building is supplied by National Grid. The existing generator at the Bulding supports life-safety systems within the Building, and may also be used by other tenants of the Project. Subject to system capacity, Tenant shall have the right to install two 60-AMP circuits on the UPS system and back-up generator currently existing at the Building at Tenant’s sole cost and expense. Landlord makes no representation or warranty concerning the said UPS system and/or back-up generator and SPECIFICALLY DISCLAIMS ANY AND ALL REPRESENTATIONS AND WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE. TENANT’S USE OF, INTENDED USE OF, AND/OR RELIANCE ON SAID UPS SYSTEM AND/OR BACK-UP GENERATOR SHALL BE AT TENANT’S SOLE RISK. The UPS system and back-up generator shall be separately metered and Tenant shall be responsible for a pro-rata share of electrical and maintenance costs and expenses. Landlord shall have no obligation to maintain, repair, service or replace said UPS System and/or back-up generator.

Existing System. The works applies to disinfection at the STP and WTP. Below is an overview of each plant and a description of the deficiencies:

Existing System. The wireless networking is the without wired connection of linking two or more computing devices or nodes together for the purpose of sharing data and communication to each other nodes. Networks are built with combination of computing hardware and computer software. The wireless network is establishing the connection for the end- to-end paths are available. The previous systems are using he symmetric key encryption and decryption for the communication. Thus the method has to be producing the security into the communication. The source and destination is using the secret key for encryption and decryption, the source node is encrypting the original message into the chipper text using secret key. Thus the chipper text is transfer to the destination node and that the chipper text can be decrypt in to the plain text. The key is generated in the KGC (Key Generation Center). The KGC is generating the key in the previous stage of the communication that can’t to be modified of change on the communication time and thus the key is constant for the end of the communication. The key is share to the entire group member and the attacker has to be easily track the key and decrypt the message. The key has not to be secured. The KGC is generating the key in the starting stage of the communication and that can’t to be modified at the communication time. The key has to be generated after then user can’t to be entering into the network

Existing System i) Conduct a review and prepare a summary of the existing Sanitary Sewer System. Review to focus on ensuring the existing sewer main system has the capacity needed to service the future/built-out condition. ▇▇▇▇ ▇▇▇▇▇▇ ▇▇▇▇▇, SUITE 350 § SAN RAMON, CALIFORNIA 94583 § (▇▇▇) ▇▇▇-▇▇▇▇ § ▇▇▇.▇▇▇▇▇▇.▇▇▇ SAN ▇▇▇▇▇ § ROSEVILLE

Existing System. Group key agreement (GKA) is another well-understood cryptographic primitive to secure group-oriented communications. A conventional GKA allows a group of members to establish a common secret key via open networks. However, whenever a sender wants to send a message to a group, he must first join the group and run a GKA protocol to share a secret key with the intended members. More recently, and to overcome this limitation, ▇▇ et al. introduced asymmetric GKA, in which only a common group public key is negotiated and each group member holds a different decryption key. However, neither conventional symmetric GKA nor the newly introduced asymmetric GKA allow the sender to unilaterally exclude any particular member from reading the plaintext. Hence, it is essential to find more flexible cryptographic primitives allowing dynamic broadcasts without a fully trusted dealer.

Existing System. Analysis Summary – AECOM will compile the findings from the tasks outlined above into a draft Existing System Analysis Summary document, including: 1)  Base Map (1.

Existing System. In cloud computing, a resource provisioning mechanism is required to supply cloud consumers a set of computing resources for processing the jobs and storing the data. Cloud providers can offer cloud consumers two resource provisioning plans, namely short-term on-demand and long-term reservation plans. Cloud providers which offer IaaS services with both plans. In general, pricing in on-demand plan is charged by pay-per-use basis (e.g., 1 day). Therefore, purchasing this on-demand plan, the consumers can dynamically provision resources at the moment when the resources are needed to fit the fluctu- ated and unpredictable demands. For reservation plan, pricing is charged by a onetime fee (e.g., 1 year) typical- ly before the computing resource will be utilized by cloud consumer. With the reservation plan, the price to utilize resources is cheaper than that of the on-demand plan. In this way, the consumer can reduce the cost of computing resource provisioning by using the reserva- tion plan