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#title li {
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float:left; margin: 0px; padding: 0px;
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font: 1.2em "Lucida Sans Unicode", "Lucida Grande", sans-serif;
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text-shadow: 2px 2px #DEDEDE; color: darkgrey; letter-spacing: 1.2em; }
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text-shadow: 2px 2px #DEDEDE; color: darkgrey;
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letter-spacing: 1.2em; }
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#title li::first-letter {
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margin: 0px; padding: 0px 2px;
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font: 1.3em "Lucida Sans Unicode", "Lucida Grande", sans-serif;
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---
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layout: default
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tabtitle: An Examination of TLS, Part 2
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title: An Examination of TLS, Part 2
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tags: tech
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---
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<article>
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<h1>TLS: An examination into the Security of the Internet, Part 2</h1>
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<h2>Certificates</h2>
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A certificate is a vessel for a server to provide authentication informat
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<h2>Cipher Suites</h2>
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A cipher is the algorithm used to encrypt the information to be transmitted.
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<h2>Public-Key Authentication</h2>
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Big topic, very important
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</article>
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<!-- ================================= -->
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<!-- ================================= -->
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<!-- Notes (because why remove them?)
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Asymmetric Key Authentication:
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- Relies on two keys: Public key, Private key
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- Both keys are related, but impossible (computationally infeasable) to
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identify the private key based on the public key [1][2]
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- The public key can be distributed publicly
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- Used to encrypt message to the owner of the private paired key
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- Used to verify signatures from the private key
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- The private key is kept secret
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- Used to decrypt message from the public paired key
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- Used to as a digital signature
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Basics of an Asymmetric Key handshake:
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1. Client reaches out to server, requesting a secure connection
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2. Server acknowledges request, sends back it's public key
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- This is commonly known as a certificate. Often signed by a
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third-party to ensure it is what it's supposed to be.
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3. Client uses this public key to encrypt a secret, and sends the package
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back to the server.
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4. The server then uses it's private key to decrypt the public-key
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encrypted secret, and uses that secret hence forth to encrypt all traffic.
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5. A private connection is now established.
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Basics of Certificates
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1. A certificate is a vessel for a server to provide authentication
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information.
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2. Typically a certificate will contain the following information:
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- A UUID of the certificate itself
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- The subject of the certificate
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- The signature, and signature algorithm used
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- The issuer of the certificate, as well as dates when it is valid
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- The purpose of the key
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- The thumbprint, and algorithm, used to hash the key
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- The public key itself
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3. Certificate Authorities act as a third part to verify the integrity of
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public keys.
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-->
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<!-- ================================= -->
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<!-- ================================= -->
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