SSL 3. 0 : A Case Study

TLS (Transport Layer Security) is the successor to another security protocol; SSL (Secure Sockets Layer) which was originally developed by ‘Netscape’ (HowStuffWorks "SSL and TLS". 2014). It is a cryptographic security protocol which was designed primarily to ensure communication security across the internet. Communication security is achieved by the use of X.509 certificates and hence asymmetric cryptography which allows the exchange of a symmetric key, which can then be used to encrypt the data that is being transmitted between both parties involved in the communication. The protocol is made up of two main layers; TLS Record Protocol and TLS Handshake Protocol. TLS will be most commonly recognised when ‘https’ is noticed in

Handshake: - This sub protocol is used to negotiate session information between the client and server. The session information consists of a session ID, peer certificates, the cipher spec to be used, the compression algorithm to be used, and a shared secret that is used to generate keys.

STEP 4: The screenshot below shows the screenshot of the decryption of database in crypt 12 format using the same secret key generated by the

addi $sp, $sp, 4 # pop 1 element from the stack and the space is reused for $s0

Performаnce: Hаndwritten chаrаcters in the input imаge will be recognized with аn аccurаcy of аbout 90% аnd more.

In 15 October, 2014 this attack was identified by Google security team under the vulnerability CVE-2014-3566 in SSLv3 protocol. In this POODLE attack the bug has been found that exploited the intercept data that is supposed to be encrypted between system and the server. According to the researchers who found the bud, an attacker/Hacker interferes between the computer and the server with the handshake process. This handshake process is used to verify which cryptography protocol the server can accept using a “protocol downgrade dance”. By doing this the computers are forced to use the older SSL 3.0 protocol to protect data that is being sent. Hackers can then easily exploit the bug by carrying out a man-in-the-middle (MITM) attack to decrypt secure HTTP cookies, which could let them steal information or take control of the victim’s online accounts. The information to test websites weather they are affected with POODLE was given by the

Problem was raised because the amount of data in pl was never checked with the length of payload permit.

the operands are not the same in the operation. An attacker could exploit the weakness of this

In order to mitigate these risks, it is imperative network switches are hardened. Additional controls may include ARP inspection, disabling unused ports and enforcing effective security on VLAN’s to prevent VLAN hopping.

Proof. This attack is a type of replay attack in which the sent data does not belong to the current run of protocol, but they are achieved by the previous runs. This type of attack is usually occurred for communication protocols in which liveness of principals is absent. As message m=N_SA∥N_SB∥SA∥T_1 is consisted of the message sender identity and the nonce of the receiver and encrypted by the public key of BS, interleaving attack prevented. Even the attacker causes that SA performs other instances of protocol, the attacker won’t be able to apply replay messages belonging to previous instances of protocol, because this message is consisted of N_SA , the identity of SA, and the

The Transport Layer Security (TLS) is a security technique that provides a method of selecting communication and encryption protocols that both a client and a server can effectively utilize. TLS provides security for a wide variety of communication between networks, ranging from financial transactions on major retail websites, to private communications between individuals, all the way down to malware returning the data it has illicitly acquired to the creator. TLS is effective because of the inherent extreme difficulty any eavesdropper would experience, given that they were wishing to analyze the encrypted traffic and not simply record whether or not

By adding an SSL certificate, Experts Exchange members not only protect their business but also increase customer confidence by safely encrypting their customers’ most sensitive data.

The above diagram commutes. There exists a heterogeneous path (transported through PAILLIER-HOMOMORPHISM) between the concatenated path (paillier-enc ∘ crrypt-increment-by-100 ∘ paillier-dec) and the path increment-by-100. id-cryptR represents identity function and it is used to

We will provide a brief Description to Elliptic Curve Cryptography and the implementation of new attacks on the cryptography in this section. If you want to a comprehensive description about to ECC than you can find it in [10],[11]. A reader want to go through a summary of power analysis attacks, by far the class of implementation attacks, we refer you to [8].

String generatedKey = this.KeyString(cypher); // call keystring method which will give the final depcrypted key password //