technology neutrality on electronic signatures
... measurements, no matter how they are collected and processed, they are collected and processed by computerized devices. Non-computable techniques have nothing to do with biometrics. By non-computable techniques I referred to some natural systems found for example on Quantum Mechanics that can be use ...
... measurements, no matter how they are collected and processed, they are collected and processed by computerized devices. Non-computable techniques have nothing to do with biometrics. By non-computable techniques I referred to some natural systems found for example on Quantum Mechanics that can be use ...
CryptoOddsAndEnds
... – eg. radiation counters, radio noise, audio noise, thermal noise in diodes, leaky capacitors, mercury discharge tubes etc ...
... – eg. radiation counters, radio noise, audio noise, thermal noise in diodes, leaky capacitors, mercury discharge tubes etc ...
Chapter 1: Introduction to security
... • Replay of messages: To gain access to information and change it in transit • Password cracking: To gain access to information and services that would normally be denied (dictionary attack) • Guessing of keys: To gain access to encrypted data and passwords (brute-force attack) • Viruses/ malicious ...
... • Replay of messages: To gain access to information and change it in transit • Password cracking: To gain access to information and services that would normally be denied (dictionary attack) • Guessing of keys: To gain access to encrypted data and passwords (brute-force attack) • Viruses/ malicious ...
Hidden Markov Model Cryptanalysis
... into the traces. Pr [error] is assumed to be known to attacker. ...
... into the traces. Pr [error] is assumed to be known to attacker. ...
ISEC0511
... application can also be considered as part of the accounting information. These files need security so that adversaries cannot tamper or delete them. ...
... application can also be considered as part of the accounting information. These files need security so that adversaries cannot tamper or delete them. ...
Detailed Overview of Security and Privacy lecture slides
... receiver with a key can decipher the content A single (symmetric) secret key is used to encrypt and decrypt Requires the communication of the key between sender and receiver! Basis of nuclear war-head command and control security ...
... receiver with a key can decipher the content A single (symmetric) secret key is used to encrypt and decrypt Requires the communication of the key between sender and receiver! Basis of nuclear war-head command and control security ...
Security & Privacy on the WWW
... receiver with a key can decipher the content A single (symmetric) secret key is used to encrypt and decrypt Requires the communication of the key between sender and receiver! Basis of nuclear war-head command and control security ...
... receiver with a key can decipher the content A single (symmetric) secret key is used to encrypt and decrypt Requires the communication of the key between sender and receiver! Basis of nuclear war-head command and control security ...
01 Computer security overview
... The CIA model is a good starting point but not all: – Access control — no unauthorized use of resources – Privacy — control of personal data and space – What else? ...
... The CIA model is a good starting point but not all: – Access control — no unauthorized use of resources – Privacy — control of personal data and space – What else? ...
The Mathematics Behind the Birthday Attack
... more efficient and secure methods of transmitting messages and maintaining their integrity, it seems that the attackers too are able to come up with ways of circumventing our system, or are able to develop an algorithm to extract or modify information in the most efficient manner. An example of this is ...
... more efficient and secure methods of transmitting messages and maintaining their integrity, it seems that the attackers too are able to come up with ways of circumventing our system, or are able to develop an algorithm to extract or modify information in the most efficient manner. An example of this is ...
Unit 11
... • unauthorized traffic saturates a network’s resources, restricting access for legitimate users • typical: flood servers with data packets ...
... • unauthorized traffic saturates a network’s resources, restricting access for legitimate users • typical: flood servers with data packets ...
The CyberFence Difference
... (ICS). Failures within the ICS can cause critical services to fail, and may result in severe injury to people, property and the environment. In evaluating options for securing vulnerable endpoints within an ICS, encryption and authentication should be thoroughly reviewed. This advanced security thwa ...
... (ICS). Failures within the ICS can cause critical services to fail, and may result in severe injury to people, property and the environment. In evaluating options for securing vulnerable endpoints within an ICS, encryption and authentication should be thoroughly reviewed. This advanced security thwa ...
Introduction to management of Information Technologies
... Attack strategy (cont.) • Examining Collected data – Users login names and password – IP addresses of potential victims – What programs are running on target computers • Different programs have different weaknesses ...
... Attack strategy (cont.) • Examining Collected data – Users login names and password – IP addresses of potential victims – What programs are running on target computers • Different programs have different weaknesses ...
Chapter 19
... Handshake Protocol Phases • Phase 1: Initiates logical connection • Phase 2: passes certificate, additional key information and request for client certificate. Also passes server-done message. • Phase 3: client sends message to server depending on underlying public-key scheme. • Phase 4: completes ...
... Handshake Protocol Phases • Phase 1: Initiates logical connection • Phase 2: passes certificate, additional key information and request for client certificate. Also passes server-done message. • Phase 3: client sends message to server depending on underlying public-key scheme. • Phase 4: completes ...
RSA Cryptography: Factorization
... Elliptic curve factorization is an improvement on Pollard (p − 1) algorithm. It replaces the restriction of only using the group (Z/pZ)∗ which always has order p − 1 and thus depends on having a factor p such that p − 1 is smooth. Instead elliptic curve factorization uses the group of points on a ra ...
... Elliptic curve factorization is an improvement on Pollard (p − 1) algorithm. It replaces the restriction of only using the group (Z/pZ)∗ which always has order p − 1 and thus depends on having a factor p such that p − 1 is smooth. Instead elliptic curve factorization uses the group of points on a ra ...
Public-Key Cryptosystems Based on Hard Problems
... Public-key cryptography or asymmetric cryptography is a quite new branch of cryptology. It was introduced in 1976 by Whit eld Di e, Martin Hellman and Ralph Merkle. Their basic idea was the following: there is no need for a secure channel for key establishment. However, the messages have to be priva ...
... Public-key cryptography or asymmetric cryptography is a quite new branch of cryptology. It was introduced in 1976 by Whit eld Di e, Martin Hellman and Ralph Merkle. Their basic idea was the following: there is no need for a secure channel for key establishment. However, the messages have to be priva ...
(Public-Key) Cryptography
... • The title of the accompanying book “Understanding Cryptography” by Springer and the author’s names must remain on each slide. ...
... • The title of the accompanying book “Understanding Cryptography” by Springer and the author’s names must remain on each slide. ...
Powerpoint slides
... • This started with a breakthrough of Ajtai in 1996 • Cryptography based on lattices has many advantages compared with ‘traditional’ cryptography like RSA: – It has strong, mathematically proven, security – It is resistant to quantum computers – In some cases, it is much faster – It can do more: ful ...
... • This started with a breakthrough of Ajtai in 1996 • Cryptography based on lattices has many advantages compared with ‘traditional’ cryptography like RSA: – It has strong, mathematically proven, security – It is resistant to quantum computers – In some cases, it is much faster – It can do more: ful ...
Devireddy
... authenticating wireless stations. Authenticates the wireless stations with an authentication server via an access point. EAP(Extensible Authentication Protocol )is used for message exchange to manage ...
... authenticating wireless stations. Authenticates the wireless stations with an authentication server via an access point. EAP(Extensible Authentication Protocol )is used for message exchange to manage ...
DCN-7-Network_Security
... –Asymmetric/Public Key Cryptography: •Uses 2 different (mathematically related) keys for, –Encryption and Decryption where, »Encryption is done using Receiver’s Public Key and, »Decryption is done using Receiver’s Private Key. ...
... –Asymmetric/Public Key Cryptography: •Uses 2 different (mathematically related) keys for, –Encryption and Decryption where, »Encryption is done using Receiver’s Public Key and, »Decryption is done using Receiver’s Private Key. ...
Document
... Tracking users movements by tracking bluetooth device Bluetooth access codes CAC, LAC, IAC are derived from the device address These codes help in tracking To prevent this devices operate in anonymity mode updating their device address randomly ...
... Tracking users movements by tracking bluetooth device Bluetooth access codes CAC, LAC, IAC are derived from the device address These codes help in tracking To prevent this devices operate in anonymity mode updating their device address randomly ...
Java Security
... Service provider: a package or set of packages that implement one or more cryptographic services, such as digital signature algorithms, message digest algorithms. ...
... Service provider: a package or set of packages that implement one or more cryptographic services, such as digital signature algorithms, message digest algorithms. ...
Chap 3
... Secret keys used in encryption that exhibit regularities in encryption, or even a poor level of encryption ...
... Secret keys used in encryption that exhibit regularities in encryption, or even a poor level of encryption ...
Protecting Valuable Physical Assets in a High Traffic Setting
... quickly. Finally, the TSA needs to be notified within a certain time frame that the key has been lost and the locks have been changed—essentially they need assurance that physical security has not been compromised. ...
... quickly. Finally, the TSA needs to be notified within a certain time frame that the key has been lost and the locks have been changed—essentially they need assurance that physical security has not been compromised. ...
Cryptanalysis
Cryptanalysis (from the Greek kryptós, ""hidden"", and analýein, ""to loosen"" or ""to untie"") is the study of analyzing information systems in order to study the hidden aspects of the systems. Cryptanalysis is used to breach cryptographic security systems and gain access to the contents of encrypted messages, even if the cryptographic key is unknown.In addition to mathematical analysis of cryptographic algorithms, cryptanalysis includes the study of side-channel attacks that do not target weaknesses in the cryptographic algorithms themselves, but instead exploit weaknesses in their implementation.Even though the goal has been the same, the methods and techniques of cryptanalysis have changed drastically through the history of cryptography, adapting to increasing cryptographic complexity, ranging from the pen-and-paper methods of the past, through machines like the British Bombes and Colossus computers at Bletchley Park in World War II, to the mathematically advanced computerized schemes of the present. Methods for breaking modern cryptosystems often involve solving carefully constructed problems in pure mathematics, the best-known being integer factorization.