Progressively Securing RIOT-OS!
|
|
|
- Dustin Horn
- 6 years ago
- Views:
Transcription
1 + Progressively Securing RIOT-OS! USABILITY AND NECESSITY OF SSL / TLS Slide 1 / 33
2 We re going to talk about: 1. Why is security important? 2. What is SSL? 3. Where is SSL being used? 4. Features: What to look for in an SSL library? Slide 2 / 33
3 Why is Security Important? Number of connected devices is ever increasing Frequent Road-blocks: Lack of understanding Insufficient funding Tight deadlines Slide 3 / 33
4 Why is Security Important? Ivan Ristic: Internet SSL Survey Alexa Top 1M Use SSL 12% AlexaTop 1M Sites 120,000 Use SSL (12%) Slide 4 / 33
5 What is SSL? X509, Encryption, handshakes, and more. Slide 5 / 33
6 What is SSL? Enables secure client / server communication, providing: Privacy Authentication Integrity + Prevent eavesdropping + Prevent impersonation + Prevent modification Slide 6 / 33
7 Where does SSL fit? Layered between Transport and Application layers Protocols Secured by SSL/TLS SSL Handshake Protocol SSL Change Cipher Spec Protocol SSL Alert Protocol HTTP LDAP, etc. HTTP SMTP, etc. SSL Record Layer Application Layer TCP IP Network Access Transport Layer Internet Layer Network Layer Slide 7 / 33
8 SSL: Authentication Do you really know who you re communicating with??? Alice Bob Slide 8 / 33
9 SSL: Authentication Generate a key pair (private and public key) Private Public Public Private Alice Bob Slide 9 / 33
10 SSL: Authentication X.509 Certificate == Wrapper around public key Private X509 Cert Public Public X509 Cert Private Alice Bob Slide 10 / 33
11 SSL: X.509 Certificates X509 Cert Slide 11 / BEGIN CERTIFICATE----- MIIEmDCCA4CgAwIBAgIJAIdKdb6RZtg9MA0GCSqGSIb3DQEBBQUAMIGOMQswCQYD VQQGEwJVUzEPMA0GA1UECBMGT3JlZ29uMREwDwYDVQQHEwhQb3J0bGFuZDEOMAwG A1UEChMFeWFTU0wxFDASBgNVBAsTC1Byb2dyYW1taW5nMRYwFAYDVQQDEw13d3cu ewfzc2wuy29tmr0wgwyjkozihvcnaqkbfg5pbmzvqhlhc3nslmnvbtaefw0xmtew MjQxODIxNTVaFw0xNDA3MjAxODIxNTVaMIGOMQswCQYDVQQGEwJVUzEPMA0GA1UE CBMGT3JlZ29uMREwDwYDVQQHEwhQb3J0bGFuZDEOMAwGA1UEChMFeWFTU0wxFDAS BgNVBAsTC1Byb2dyYW1taW5nMRYwFAYDVQQDEw13d3cueWFzc2wuY29tMR0wGwYJ KoZIhvcNAQkBFg5pbmZvQHlhc3NsLmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEP ADCCAQoCggEBAMMD0Sv+OaQyRTtTyIQrKnx0mr2qKlIHR9amNrIHMo7Quml7xsNE ntsbsp0takklz7uhdcg2lersg/elus8n+e/s8yeee5sdr5q/zcx/zsrppuguivvk NPfFsBST9Wd7Onp44QFWVpGmE0KN0jxAnEzv0YbfN1EbDKE79fGjSjXk4c6W3xt+ v06x0bdoqagwga8gc0muxxrntdkcb42gwohamtaduh5aciix11jljhowzu8zza7/ egx7wbid1e5ydvbto6m7o5lencjzdiwz2yrzvcbbbfqsu/8ltmtrefrx04zagbow Y7VyTjDEl4SGLVYv1xX3f8Cu9fxb5fuhutMCAwEAAaOB9jCB8zAdBgNVHQ4EFgQU M9hFZtdohxh+VA1wJ5HHJteFZcAwgcMGA1UdIwSBuzCBuIAUM9hFZtdohxh+VA1w J5HHJteFZcChgZSkgZEwgY4xCzAJBgNVBAYTAlVTMQ8wDQYDVQQIEwZPcmVnb24x ETAPBgNVBAcTCFBvcnRsYW5kMQ4wDAYDVQQKEwV5YVNTTDEUMBIGA1UECxMLUHJv Z3JhbW1pbmcxFjAUBgNVBAMTDXd3dy55YXNzbC5jb20xHTAbBgkqhkiG9w0BCQEW DmluZm9AeWFzc2wuY29tggkAh0p1vpFm2D0wDAYDVR0TBAUwAwEB/zANBgkqhkiG 9w0BAQUFAAOCAQEAHHxCgSmeIc/Q2MFUb8yuFAk4/2iYmpVTdhh75jB27CgNdafe 4M2O1VUjakcrTo38fQaj2A+tXtYEyQAz+3cn07UDs3shdDELSq8tGrOTjszzXz2Q P8zjVRmRe3gkLkoJuxhOYS2cxgqgNJGIcGs7SEe8eZSioE0yR1TCo9wu0lFMKTkR /+IVXliXNvbpBgaGDo2dlQNysosZfOkUbqGIc2hYbXFewtXTE9Jf3uoDvuIAQOXO /easmvfd67tmrmsvgvrgyqjh9jndkktsxgov+efmsmogskwqoeu0w2fnmus2euua cmynokp2j/4ivip927fvqe4fybfxfhsr4eovwa== -----END CERTIFICATE-----
12 SSL: X.509 Certificates X509 Cert Certificate: Data: Version: 3 (0x2) Serial Number: 87:4a:75:be:91:66:d8:3d Signature Algorithm: sha1withrsaencryption Issuer: C=US, ST=Oregon, L=Portland, O=wolfSSL, OU=Programming, CN= Validity Not Before: Oct 24 18:21: GMT Not After : Jul 20 18:21: GMT Subject: C=US, ST=Oregon, L=Portland, O=wolfSSL, OU=Programming, CN= Subject Public Key Info: Public Key Algorithm: rsaencryption Public-Key: (2048 bit) Modulus: 00:c3:03:d1:2b:fe:39:a4 Exponent: (0x10001) X509v3 extensions: X509v3 Subject Key Identifier: 33:D8:45:66:D7:68:87:18:7E:54:0D:70:27:91:C7:26:D7:85:65:C0 X509v3 Authority Key Identifier: keyid:33:d8:45:66:d7:68:87:18:7e:54:0d:70:27:91:c7:26:d7:85:65:c0 DirName:/C=US/ST=Oregon/L=Portland/O=wolfSSL/OU=Programming/CN= olfssl.com serial:87:4a:75:be:91:66:d8:3d Slide 12 / 33 X509v3 Basic Constraints: CA:TRUE Signature Algorithm: sha1withrsaencryption 1c:7c:42:81:29:9e:21:cf:d0:d8
13 SSL: Authentication Alice and Bob exchange CA-signed public keys Private X509 Cert CA Public Public X509 Cert CA Private Alice Bob Slide 13 / 33
14 SSL: Authentication How do you get a CA-signed cert? Buy VeriSign, DigiCert, Comodo, etc. - Costs $$$ - Trusted Create Created yourself (self-sign) - Free! - Trusted (if you control both sides) Slide 14 / 33
15 SSL: Encryption Uses a variety of encryption algorithms to secure data Hashing Functions Block and Stream Ciphers Public Key Options MD4, MD5, SHA DES, 3DES, AES, ARC4 RSA, DSS CIPHER SUITE Slide 15 / 33
16 SSL: Encryption A common CIPHER SUITE is negotiated Protocol_keyexchange_WITH_bulkencryption_mode_messageauth SSL_RSA_WITH_DES_CBC_SHA SSL_DHE_RSA_WITH_DES_CBC_SHA TLS_RSA_WITH_AES_128_CBC_SHA TLS_DHE_DSS_WITH_AES_128_CBC_SHA TLS_DHE_RSA_WITH_AES_256_CBC_SHA Slide 16 / 33
17 SSL: Handshake Client Server 1 Client Hello Cryptographic Info (SSL version, supported ciphers, etc.) 3 Verify server cert, check crypto parameters 2 Server Hello Cipher Suite Server Certificate Server Key Exchange (public key) ( Client Certificate Request ) Server Hello Done 4 Client Key Exchange ( Certificate Verify ) ( Client Certificate ) 5 Verify client cert (if required) 6 Change Cipher Spec Client Finished 7 Change Cipher Spec Server Finished 8 Exchange Messages (Encrypted) Slide 17 / 33
18 Where is SSL used? Everywhere! Slide 18 / 39
19 SSL: Where is it used? Energy Monitoring Gaming Databases Sensors VoIP M2M communication And much more... Slide 19 / 33
20 What to look for? When shopping for an SSL stack. Slide 20 / 33
21 1: Protocols Support for current protocols? SSL 2.0 SSL 3.0 TLS 1.0 TLS 1.1 TLS 1.2 DTLS 1.0 Notes: SSL 2.0 is insecure SSL = Secure Sockets Layer TLS = Transport Layer Security DTLS = Datagram TLS 2012 DTLS 1.2 Slide 21 / 33
22 2: Ciphers Support for needed cipher suites? Public Key Block / Stream Hash RSA, DSS, DH, NTRU DES, 3DES, AES, ARC4, RABBIT, HC- 128 MD2, MD4, MD5, SHA- 128, SHA-256, RIPEMD Ex: TLS_RSA_WITH_AES_128_CBC_SHA Slide 22 / 33
23 3: Memory Usage ROM / RAM usage ROM (kb) RAM (kb) Slide 23 / 33
24 4: Simple to Use Learning curve? Myth: Encryption is too hard to use. Slide 24 / 33
25 5: Portability OS support out-of-the-box? Customizable? Slide 25 / 33
26 5: Portability In Progress!
27 6: Hardware Acceleration Support for hardware acceleration? You bet! Assembly code optimizations Absolutely! Slide 26 / 33
28 7: License Flexible license model? Does it meet your license needs? GPLv2 / Commercial MIT BSD GPL LGPL Commercial Proprietary Slide 27 / 33
29 8: Maturity Track record? wolfssl has only had 3 critical vulnerabilities since it s inception in 2004 all of which were immediately fixed and a RELEASE went out to our customers in under 48 hours! Code origin? Clean house implementation! Actively developed? wolfssl targets a RELEASE every 3 months. Slide 28 / 33
30 9: Compatibility Is interoperability testing being conducted? Jenkins Continuous Integration. Constantly adding more OE s to our slave network. What browsers is the library actively tested against? Chrome, IE, EDGE, Firefox, Safari and more. Slide 29 / 33
31 10: Crypto Access Direct access to crypto? Many reasons: - Direct encryption - Code Signing - Verifying hashes, etc. Slide 30 / 33
32 11: Support What happens if: Something goes wrong You can t get it to work on your system New vulnerability comes out You need a new cipher/feature Is there support available to help you out? Slide 31 / 33
33 SSL: Shopping List 1. Protocols 2. Ciphers 3. Memory Usage 4. Simple to Use 5. Portability 6. Hardware Acceleration 7. License 8. Maturity 9. Compatibility 10. Crypto Access 11. Support Slide 32 / 33
34 + Thanks! Slide 33 / 33
Considerations in Securing Connected Devices. Chris Conlon
Considerations in Securing Connected Devices Chris Conlon Where are we located? Seattle, WA Portland, OR Bozeman, MT San Jose, CA BRAZIL João Pessoa Tokyo, JP Open Source 10 employees worldwide Creating
SSL/TLS & 3D Secure. CS 470 Introduction to Applied Cryptography. Ali Aydın Selçuk. CS470, A.A.Selçuk SSL/TLS & 3DSec 1
SSL/TLS & 3D Secure CS 470 Introduction to Applied Cryptography Ali Aydın Selçuk CS470, A.A.Selçuk SSL/TLS & 3DSec 1 SSLv2 Brief History of SSL/TLS Released in 1995 with Netscape 1.1 Key generation algorithm
Information Security CS 526
Information Security CS 526 Topic 14: Key Distribution & Agreement, Secure Communication Topic 14: Secure Communication 1 Readings for This Lecture On Wikipedia Needham-Schroeder protocol (only the symmetric
Lecture 9a: Secure Sockets Layer (SSL) March, 2004
Internet and Intranet Protocols and Applications Lecture 9a: Secure Sockets Layer (SSL) March, 2004 Arthur Goldberg Computer Science Department New York University artg@cs.nyu.edu Security Achieved by
WAP Security. Helsinki University of Technology S Security of Communication Protocols
WAP Security Helsinki University of Technology S-38.153 Security of Communication Protocols Mikko.Kerava@iki.fi 15.4.2003 Contents 1. Introduction to WAP 2. Wireless Transport Layer Security 3. Other WAP
Using Cryptography CMSC 414. October 16, 2017
Using Cryptography CMSC 414 October 16, 2017 Digital Certificates Recall: K pub = (n, e) This is an RSA public key How do we know who this is for? Need to bind identity to a public key We can do this using
Securing Internet Communication: TLS
Securing Internet Communication: TLS CS 161: Computer Security Prof. David Wagner March 11, 2016 Today s Lecture Applying crypto technology in practice Two simple abstractions cover 80% of the use cases
Data Security and Privacy. Topic 14: Authentication and Key Establishment
Data Security and Privacy Topic 14: Authentication and Key Establishment 1 Announcements Mid-term Exam Tuesday March 6, during class 2 Need for Key Establishment Encrypt K (M) C = Encrypt K (M) M = Decrypt
Introduction and Overview. Why CSCI 454/554?
Introduction and Overview CSCI 454/554 Why CSCI 454/554? Get Credits and Graduate Security is important More job opportunities More research funds 1 Workload Five homework assignments Two exams (open book
Transport Level Security
2 Transport Level Security : Security and Cryptography Sirindhorn International Institute of Technology Thammasat University Prepared by Steven Gordon on 28 October 2013 css322y13s2l12, Steve/Courses/2013/s2/css322/lectures/transport.tex,
Cryptography SSL/TLS. Network Security Workshop. 3-5 October 2017 Port Moresby, Papua New Guinea
Cryptography SSL/TLS Network Security Workshop 3-5 October 2017 Port Moresby, Papua New Guinea 1 History Secure Sockets Layer was developed by Netscape in 1994 as a protocol which permitted persistent
Public-key Infrastructure
Public-key Infrastructure Public-key Infrastructure A set of hardware, software, people, policies, and procedures. To create, manage, distribute, use, store, and revoke digital certificates. Encryption,
Public-key Infrastructure
Public-key Infrastructure Cryptosystems Cryptosystems Symmetric Asymmetric (public-key) RSA Public key: n=3233, e=17 Private key: d=2753 Let m=65 Encryption: c = 65 17 (mod 3233) = 2790 Decryption: m =
Open Source Internet Security
Open Source Internet Security Company / Product Overview October, 2016 http://www.wolfssl.com (425) 245-8247 ABOUT US Founded: 2004 Location: Bozeman, MT Seattle, WA Portland, OR Our Focus: Open Source
Computer Security. 10r. Recitation assignment & concept review. Paul Krzyzanowski. Rutgers University. Spring 2018
Computer Security 10r. Recitation assignment & concept review Paul Krzyzanowski Rutgers University Spring 2018 April 3, 2018 CS 419 2018 Paul Krzyzanowski 1 1. What is a necessary condition for perfect
Configuring Secure Socket Layer HTTP
This feature provides Secure Socket Layer (SSL) version 3.0 support for the HTTP 1.1 server and HTTP 1.1 client within Cisco IOS software. SSL provides server authentication, encryption, and message integrity
Distributed Systems. 25. Authentication Paul Krzyzanowski. Rutgers University. Fall 2018
Distributed Systems 25. Authentication Paul Krzyzanowski Rutgers University Fall 2018 2018 Paul Krzyzanowski 1 Authentication For a user (or process): Establish & verify identity Then decide whether to
Securing Internet Communication
Securing Internet Communication CS 161 - Computer Security Profs. Vern Paxson & David Wagner TAs: John Bethencourt, Erika Chin, Matthew Finifter, Cynthia Sturton, Joel Weinberger http://inst.eecs.berkeley.edu/~cs161/
Internet security and privacy
Internet security and privacy SSL/TLS 1 Application layer App. TCP/UDP IP L2 L1 2 Application layer App. SSL/TLS TCP/UDP IP L2 L1 3 History of SSL/TLS Originally, SSL Secure Socket Layer, was developed
CS November 2018
Authentication Distributed Systems 25. Authentication For a user (or process): Establish & verify identity Then decide whether to allow access to resources (= authorization) Paul Krzyzanowski Rutgers University
SSL Report: cartridgeworld.co.uk ( )
1 of 5 26/06/2015 14:21 Home Projects Qualys.com Contact You are here: Home > Projects > SSL Server Test > cartridgeworld.co.uk SSL Report: cartridgeworld.co.uk (95.138.147.104) Assessed on: Fri, 26 Jun
Overview of SSL/TLS. Luke Anderson. 12 th May University Of Sydney.
Overview of SSL/TLS Luke Anderson luke@lukeanderson.com.au 12 th May 2017 University Of Sydney Overview 1. Introduction 1.1 Raw HTTP 1.2 Introducing SSL/TLS 2. Certificates 3. Attacks Introduction Raw
Configuring Secure Socket Layer HTTP
This feature provides Secure Socket Layer (SSL) version 3.0 support for the HTTP 1.1 server and HTTP 1.1 client within Cisco IOS software. SSL provides server authentication, encryption, and message integrity
Chapter 4: Securing TCP connections
Managing and Securing Computer Networks Guy Leduc Chapter 5: Securing TCP connections Computer Networking: A Top Down Approach, 6 th edition. Jim Kurose, Keith Ross Addison-Wesley, March 2012. (section
E-commerce security: SSL/TLS, SET and others. 4.1
E-commerce security: SSL/TLS, SET and others. 4.1 1 Electronic payment systems Purpose: facilitate the safe and secure transfer of monetary value electronically between multiple parties Participating parties:
Lecture Nov. 21 st 2006 Dan Wendlandt ISP D ISP B ISP C ISP A. Bob. Alice. Denial-of-Service. Password Cracking. Traffic.
15-441 Lecture Nov. 21 st 2006 Dan Wendlandt Worms & Viruses Phishing End-host impersonation Denial-of-Service Route Hijacks Traffic modification Spyware Trojan Horse Password Cracking IP Spoofing DNS
Displaying SSL Configuration Information and Statistics
CHAPTER 7 Displaying SSL Configuration Information and Statistics This chapter describes the show commands available for displaying CSS SSL configuration information and statistics and an explanation of
David Wetherall, with some slides from Radia Perlman s security lectures.
David Wetherall, with some slides from Radia Perlman s security lectures. djw@cs.washington.edu Networks are shared: Want to secure communication between legitimate participants from others with (passive
Network Security: TLS/SSL. Tuomas Aura T Network security Aalto University, Nov-Dec 2010
Network Security: TLS/SSL Tuomas Aura T-110.5240 Network security Aalto University, Nov-Dec 2010 Outline 1. Diffie-Hellman 2. Key exchange using public-key encryption 3. Goals of authenticated key exchange
CIS 5373 Systems Security
CIS 5373 Systems Security Topic 4.3: Network Security SSL/TLS Endadul Hoque Slide Acknowledgment Contents are based on slides from Cristina Nita-Rotaru (Northeastern) Analysis of the HTTPS Certificate
ovirt - PKI Alon Bar-Lev Red Hat
ovirt - PKI Alon Bar-Lev Red Hat 2012-10-17 Ovirt PKI Back-end purposes Application Server TLS/SSL (Server identification) VDSM authentication (Client authentication) SSH authentication (PK) (Client authentication)
CPSC 467b: Cryptography and Computer Security
CPSC 467b: Cryptography and Computer Security Michael J. Fischer Lecture 24 April 16, 2012 CPSC 467b, Lecture 24 1/33 Kerberos Secure Shell (SSH) Transport Layer Security (TLS) Digital Rights Management
CS 356 Internet Security Protocols. Fall 2013
CS 356 Internet Security Protocols Fall 2013 Review Chapter 1: Basic Concepts and Terminology Chapter 2: Basic Cryptographic Tools Chapter 3 User Authentication Chapter 4 Access Control Lists Chapter 5
Encryption, Certificates and SSL DAVID COCHRANE PRESENTATION TO BELFAST OWASP CHAPTER OCTOBER 2018
Encryption, Certificates and SSL DAVID COCHRANE PRESENTATION TO BELFAST OWASP CHAPTER OCTOBER 2018 Agenda Basic Theory: encryption and hashing Digital Certificates Tools for Digital Certificates Design
State of TLS usage current and future. Dave Thompson
State of TLS usage current and future Dave Thompson TLS Client/Server surveys Balancing backward compatibility with security. As new vulnerabilities are discovered, when can we shutdown less secure TLS
Findings for
Findings for 198.51.100.23 Scan started: 2017-07-11 12:30 UTC Scan ended: 2017-07-11 12:39 UTC Overview Medium: Port 443/tcp - NEW Medium: Port 443/tcp - NEW Medium: Port 443/tcp - NEW Medium: Port 80/tcp
SSL Report: printware.co.uk ( )
1 of 5 26/06/2015 14:27 Home Projects Qualys.com Contact You are here: Home > Projects > SSL Server Test > printware.co.uk SSL Report: printware.co.uk (194.143.166.5) Assessed on: Fri, 26 Jun 2015 12:53:08
PROVING WHO YOU ARE TLS & THE PKI
PROVING WHO YOU ARE TLS & THE PKI CMSC 414 MAR 29 2018 RECALL OUR PROBLEM WITH DIFFIE-HELLMAN The two communicating parties thought, but did not confirm, that they were talking to one another. Therefore,
Symantec Security Information Manager FIPS Operational Mode Guide
Symantec Security Information Manager 4.7.3 FIPS 140-2 Operational Mode Guide Symantec Security Information Manager 4.7.3 FIPS 140-2 Operational Mode Guide The software described in this book is furnished
Transport Layer Security
Cryptography and Security in Communication Networks Transport Layer Security ETTI - Master - Advanced Wireless Telecommunications Secure channels Secure data delivery on insecure networks Create a secure
Security Protocols and Infrastructures. Winter Term 2010/2011
Winter Term 2010/2011 Chapter 4: Transport Layer Security Protocol Contents Overview Record Protocol Cipher Suites in TLS 1.2 Handshaking Protocols Final Discussion 2 Contents Overview Record Protocol
APNIC elearning: Cryptography Basics
APNIC elearning: Cryptography Basics 27 MAY 2015 03:00 PM AEST Brisbane (UTC+10) Issue Date: Revision: Introduction Presenter Sheryl Hermoso Training Officer sheryl@apnic.net Specialties: Network Security
securing a host Matsuzaki maz Yoshinobu
securing a host Matsuzaki maz Yoshinobu Hardening a host Differs per operating system Windows: users can not be trusted to make security related decisions in almost all cases OS X : make
Crypto meets Web Security: Certificates and SSL/TLS
CSE 484 / CSE M 584: Computer Security and Privacy Crypto meets Web Security: Certificates and SSL/TLS Spring 2016 Franziska (Franzi) Roesner franzi@cs.washington.edu Thanks to Dan Boneh, Dieter Gollmann,
Understand the TLS handshake Understand client/server authentication in TLS. Understand session resumption Understand the limitations of TLS
Last Updated: Oct 31, 2017 Understand the TLS handshake Understand client/server authentication in TLS RSA key exchange DHE key exchange Explain certificate ownership proofs in detail What cryptographic
Technical / Community Update! FOSDEM
Technical / Community Update! FOSDEM 2012 http://www.yassl.com info@yassl.com About Me Chris Conlon So#ware Developer at yassl Bozeman, MT Copyright 2012 FishEyeGuyPhotography Who Else is Here? Rod Weaver
COSC 301 Network Management. Lecture 15: SSL/TLS and HTTPS
COSC 301 Network Management Lecture 15: SSL/TLS and HTTPS Zhiyi Huang Computer Science, University of Otago COSC301 Lecture 15: SSL/TLS and HTTPS 1 Today s Focus WWW WWW How to secure web applications?
yassl Architecture and Design
yassl Architecture and Design 10.11.2010 http://www.yassl.com info@yassl.com phone: +1 206 369 4800 Copyright 2010 yassl 1627 West Main St., Suite 237 Bozeman, MT 59715 USA +1 206 369 4800 support@yassl.com
Transport Layer Security
CEN585 Computer and Network Security Transport Layer Security Dr. Mostafa Dahshan Department of Computer Engineering College of Computer and Information Sciences King Saud University mdahshan@ksu.edu.sa
TLS1.2 IS DEAD BE READY FOR TLS1.3
TLS1.2 IS DEAD BE READY FOR TLS1.3 28 March 2017 Enterprise Architecture Technology & Operations Presenter Photo Motaz Alturayef Jubial Cyber Security Conference 70% Privacy and security concerns are
But where'd that extra "s" come from, and what does it mean?
SSL/TLS While browsing Internet, some URLs start with "http://" while others start with "https://"? Perhaps the extra "s" when browsing websites that require giving over sensitive information, like paying
Overview. SSL Cryptography Overview CHAPTER 1
CHAPTER 1 Secure Sockets Layer (SSL) is an application-level protocol that provides encryption technology for the Internet. SSL ensures the secure transmission of data between a client and a server through
SSL Report: ( )
Home Projects Qualys.com Contact You are here: Home > Projects > SSL Server Test > www.workbench.nationaldataservice.org SSL Report: www.workbench.nationaldataservice.org (141.142.210.100) Assessed on:
SSL Report: bourdiol.xyz ( )
Home Projects Qualys.com Contact You are here: Home > Projects > SSL Server Test > bourdiol.xyz > 217.70.180.152 SSL Report: bourdiol.xyz (217.70.180.152) Assessed on: Sun Apr 19 12:22:55 PDT 2015 HIDDEN
Cryptography (Overview)
Cryptography (Overview) Some history Caesar cipher, rot13 substitution ciphers, etc. Enigma (Turing) Modern secret key cryptography DES, AES Public key cryptography RSA, digital signatures Cryptography
HTTPS--HTTP Server and Client with SSL 3.0
The feature provides Secure Socket Layer (SSL) version 3.0 support for the HTTP 1.1 server and HTTP 1.1 client within Cisco IOS XE software. SSL provides server authentication, encryption, and message
HOWTO: Setup FTP with TLS support
HOWTO: Setup FTP with TLS support Contributed by Michael Felt HOWTO setup AIX FTPD for TLS sessions In this article I shall resolve a new fallacies about AIX FTP and TLS connections Fallacy #1: Hard to
HTTPS--HTTP Server and Client with SSL 3.0
The feature provides Secure Socket Layer (SSL) version 3.0 support for the HTTP 1.1 server and HTTP 1.1 client within Cisco IOS software. SSL provides server authentication, encryption, and message integrity
Kerberized Certificate Issuance Protocol (KX509)
Kerberized Certificate Issuance Protocol (KX509) Jet Propulsion Laboratory Copyright 2010 California Institute of Technology. Government sponsorship acknowledged. Overview and Purpose KX509 is a wire protocol
Today s Lecture. Secure Communication. A Simple Protocol. Remote Authentication. A Simple Protocol. Rules. I m Alice. I m Alice
Today s Lecture Secure Communication Tom Chothia Computer Security, Lecture 8 Protocols in and ob notation Some Key Establishment Protocol Secure Sockets Layer (SSL) / Transport Later Security (TLS) Certificates
What is a Digital Certificate? Basic Problem. Digital Certificates, Certification Authorities, and Public Key Infrastructure. Sections
Digital Certificates, Certification Authorities, and Public Key Infrastructure Sections 14.3-14.5 Basic Problem What does a public-key signature verification tell you? Verification parameters include public
Digital Certificates, Certification Authorities, and Public Key Infrastructure. Sections
Digital Certificates, Certification Authorities, and Public Key Infrastructure Sections 14.3-14.5 Basic Problem What does a public-key signature verification tell you? Verification parameters include public
Lecture 30. Cryptography. Symmetric Key Cryptography. Key Exchange. Advanced Encryption Standard (AES) DES. Security April 11, 2005
Lecture 30 Security April 11, 2005 Cryptography K A ciphertext Figure 7.3 goes here K B symmetric-key crypto: sender, receiver keys identical public-key crypto: encrypt key public, decrypt key secret Symmetric
CPSC 467: Cryptography and Computer Security
CPSC 467: Cryptography and Computer Security Michael J. Fischer Lecture 24a December 2, 2013 CPSC 467, Lecture 24a 1/20 Secure Shell (SSH) Transport Layer Security (TLS) Digital Rights Management and Trusted
Innovative uses as result of DNSSEC
Innovative uses as result of DNSSEC AKA: Some happenings in the DANE* WG in the IETF. * DNS-based Authentication of Named Entities Some background... When you connect to https://www.example.com you use
Comparison of SSL/TLS libraries based on Algorithms/languages supported, Platform, Protocols and Performance. By Akshay Thorat
Comparison of SSL/TLS libraries based on Algorithms/languages supported, Platform, Protocols and Performance By Akshay Thorat Table of Contents TLS - Why is it needed? Introduction- SSL/TLS evolution Libraries
Network Security: TLS/SSL. Tuomas Aura T Network security Aalto University, Nov-Dec 2014
Network Security: TLS/SSL Tuomas Aura T-110.5241 Network security Aalto University, Nov-Dec 2014 Outline 1. Diffie-Hellman key exchange (recall from earlier) 2. Key exchange using public-key encryption
Computer Networking. What is network security? Chapter 7: Network security. Symmetric key cryptography. The language of cryptography
Chapter 7: Network security 15-441 Computer Networking Network Security: Cryptography, Authentication, Integrity Foundations: what is security? cryptography authentication message integrity key distribution
Chapter 6: Digital Certificates Introduction Authentication Methods PKI Digital Certificate Passing
Chapter 6: Digital Certificates Introduction Methods PKI Digital Certificate Passing Prof Bill Buchanan OBE http://asecuritysite.com/crypto06 http://asecuritysite.com/encryption Identity on the Internet
SSL Report: sharplesgroup.com ( )
1 of 5 26/06/2015 14:28 Home Projects Qualys.com Contact You are here: Home > Projects > SSL Server Test > sharplesgroup.com SSL Report: sharplesgroup.com (176.58.116.26) Assessed on: Fri, 26 Jun 2015
TLS/sRTP Voice Recording AddPac Technology
Secure IP Telephony Solution (TLS/SRTP Protocol) TLS/sRTP Voice Recording AddPac Technology 2015, Sales and Marketing www.addpac.com Contents Secure IP Telephony Service Diagram Secure VoIP Protocol &
L13. Reviews. Rocky K. C. Chang, April 10, 2015
L13. Reviews Rocky K. C. Chang, April 10, 2015 1 Foci of this course Understand the 3 fundamental cryptographic functions and how they are used in network security. Understand the main elements in securing
Protocol Comparisons: OpenSSH, SSL/TLS (AT-TLS), IPSec
Protocol Comparisons: OpenSSH, SSL/TLS (AT-TLS), IPSec Author: Gwen Dente, IBM Gaithersburg, MD Acknowledgments: Alfred Christensen, IBM Erin Farr, IBM Christopher Meyer, IBM Linwood Overby, IBM Richard
SSL/TLS Security Assessment of e-vo.ru
SSL/TLS Security Assessment of e-vo.ru Test SSL/TLS implementation of any service on any port for compliance with industry best-practices, NIST guidelines and PCI DSS requirements. The server configuration
Security Protocols and Infrastructures. Winter Term 2015/2016
Winter Term 2015/2016 Nicolas Buchmann (Harald Baier) Chapter 8: Transport Layer Security Protocol Key Questions Application context of TLS? Which security goals shall be achieved? Approaches? 2 Contents
Sensitive Information in a Wired World
Sensitive Information in a Wired World CPSC 457/557, Fall 2013 Lecture 11, October 3, 2013 1:00-2:15 pm; AKW 400 http://zoo.cs.yale.edu/classes/cs457/fall13/ Brian A. LaMacchia, used with permission 1
MTAT Applied Cryptography
MTAT.07.017 Applied Cryptography Transport Layer Security (TLS) Advanced Features University of Tartu Spring 2016 1 / 16 Client Server Authenticated TLS ClientHello ServerHello, Certificate, ServerHelloDone
CSE543 Computer and Network Security Module: Network Security
CSE543 Computer and Network Security Module: Network Security Professor Trent Jaeger CSE543 - Introduction to Computer and Network Security 1 2 Communication Security Want to establish a secure channel
Universität Hamburg. SSL & Company. Fachbereich Informatik SVS Sicherheit in Verteilten Systemen. Security in TCP/IP. UH, FB Inf, SVS, 18-Okt-04 2
Universität Hamburg SSL & Company Fachbereich Informatik SVS Sicherheit in Verteilten Systemen Security in TCP/IP UH, FB Inf, SVS, 18-Okt-04 2 SSL/TLS Overview SSL/TLS provides security at TCP layer. Uses
Encryption. INST 346, Section 0201 April 3, 2018
Encryption INST 346, Section 0201 April 3, 2018 Goals for Today Symmetric Key Encryption Public Key Encryption Certificate Authorities Secure Sockets Layer Simple encryption scheme substitution cipher:
Transport Layer Security
Transport Layer Security TRANSPORT LAYER SECURITY PERFORMANCE TESTING OVERVIEW Transport Layer Security (TLS) and its predecessor Secure Sockets Layer (SSL), are the most popular cryptographic protocols
Defending Computer Networks Lecture 23: Transport Layer Security. Stuart Staniford Adjunct Professor of Computer Science
Defending Computer Networks Lecture 23: Transport Layer Security Stuart Staniford Adjunct Professor of Computer Science Logis;cs Apologies again for last Thursday HW 4 due tomorrow No class this Thursday
Requirements from the. Functional Package for Transport Layer Security (TLS)
Requirements from the Functional Package for Transport Layer Security (TLS) Version: 1.0 2018-12-17 National Information Assurance Partnership Revision History Version Date Comment Introduction Purpose.
Comodo Certificate Manager Software Version 5.0
Comodo Certificate Manager Software Version 5.0 Introducing The Certificate Dashboard Comodo CA Limited, 3rd Floor, 26 Office Village, Exchange Quay, Trafford Road, Salford, Greater Manchester M5 3EQ,
Chapter 8 Web Security
Chapter 8 Web Security Web security includes three parts: security of server, security of client, and network traffic security between a browser and a server. Security of server and security of client
Comodo Certificate Manager Software Version 5.6
Comodo Certificate Manager Software Version 5.6 Introducing The Certificate Dashboard Comodo CA Limited, 3rd Floor, 26 Office Village, Exchange Quay, Trafford Road, Salford, Greater Manchester M5 3EQ,
Action List Modify Configuration Mode Commands
Action List Modify Configuration Mode Commands Chapter 2 CLI Commands Action List Modify Configuration Mode Commands Action list modify configuration mode commands allow you to configure ACE action lists.
Security Protocols. Professor Patrick McDaniel CSE545 - Advanced Network Security Spring CSE545 - Advanced Network Security - Professor McDaniel
Security Protocols Professor Patrick McDaniel CSE545 - Advanced Network Security Spring 2011 CSE545 - Advanced Network Security - Professor McDaniel 1 Case Study: Host Access The first systems used telnet
Coming of Age: A Longitudinal Study of TLS Deployment
Coming of Age: A Longitudinal Study of TLS Deployment Accepted at ACM Internet Measurement Conference (IMC) 2018, Boston, MA, USA Platon Kotzias, Abbas Razaghpanah, Johanna Amann, Kenneth G. Paterson,
CIP Security Phase 1 Secure Transport for EtherNet/IP
CIP Security Phase 1 Secure Transport for EtherNet/IP Brian Batke, Rockwell Automation Dennis Dubé, Schneider Electric Joakim Wiberg, HMS Industrial Networks October 14, 2015 The Need for a Secure Transport
SharkFest 17 Europe. SSL/TLS Decryption. uncovering secrets. Wednesday November 8th, Peter Wu Wireshark Core Developer
SharkFest 17 Europe SSL/TLS Decryption uncovering secrets Wednesday November 8th, 2017 Peter Wu Wireshark Core Developer peter@lekensteyn.nl 1 About me Wireshark contributor since 2013, core developer
Information Security. message M. fingerprint f = H(M) one-way hash. 4/19/2006 Information Security 1
Information Security message M one-way hash fingerprint f = H(M) 4/19/2006 Information Security 1 Outline and Reading Digital signatures Definition RSA signature and verification One-way hash functions
HP Instant Support Enterprise Edition (ISEE) Security overview
HP Instant Support Enterprise Edition (ISEE) Security overview Advanced Configuration A.03.50 Mike Brandon Interex 03 / 30, 2004 2003 Hewlett-Packard Development Company, L.P. The information contained
PureVPN's OpenVPN Setup Guide for pfsense (2.3.2)
PureVPN's OpenVPN Setup Guide for pfsense (2.3.2) pfsense is an open source firewall and router that is available completely free of cost. It offers load balancing, unified threat management along with
Configuring SSL Security
CHAPTER9 This chapter describes how to configure SSL on the Cisco 4700 Series Application Control Engine (ACE) appliance. This chapter contains the following sections: Overview Configuring SSL Termination
Configuring Secure Socket Layer HTTP
Finding Feature Information, page 1 Information about Secure Sockets Layer (SSL) HTTP, page 1 How to Configure Secure HTTP Servers and Clients, page 4 Monitoring Secure HTTP Server and Client Status, page
TLS 1.1 Security fixes and TLS extensions RFC4346
F5 Networks, Inc 2 SSL1 and SSL2 Created by Netscape and contained significant flaws SSL3 Created by Netscape to address SSL2 flaws TLS 1.0 Standardized SSL3 with almost no changes RFC2246 TLS 1.1 Security
Introduction to Cryptography Lecture 11
Introduction to Cryptography Lecture 11 Factoring, computing discrete logs SSL / TLS Benny Pinkas page 1 1 Integer factorization The RSA and Rabin cryptosystems use a modulus N and are insecure if it is
IBM Education Assistance for z/os V2R1
IBM Education Assistance for z/os V2R1 Items: TLS V1.2 Suite B RFC 5280 Certificate Validation Element/Component: Cryptographic Services - System SSL Material is current as of June 2013 Agenda Trademarks
Internet Security. - IPSec, SSL/TLS, SRTP - 29th. Oct Lee, Choongho
Internet Security - IPSec, SSL/TLS, SRTP - 29th. Oct. 2007 Lee, Choongho chlee@mmlab.snu.ac.kr Contents Introduction IPSec SSL / TLS SRTP Conclusion 2/27 Introduction (1/2) Security Goals Confidentiality