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49 lines
2.9 KiB
PHP
49 lines
2.9 KiB
PHP
<!--
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Copyright (C) 2020 Yarmo Mackenbach
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU Affero General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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details.
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You should have received a copy of the GNU Affero General Public License along
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with this program. If not, see <https://www.gnu.org/licenses/>.
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Also add information on how to contact you by electronic and paper mail.
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If your software can interact with users remotely through a computer network,
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you should also make sure that it provides a way for users to get its source.
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For example, if your program is a web application, its interface could display
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a "Source" link that leads users to an archive of the code. There are many
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ways you could offer source, and different solutions will be better for different
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programs; see section 13 for the specific requirements.
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You should also get your employer (if you work as a programmer) or school,
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if any, to sign a "copyright disclaimer" for the program, if necessary. For
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more information on this, and how to apply and follow the GNU AGPL, see <https://www.gnu.org/licenses/>.
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-->
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<p>Let's see how to encrypt a message.</p>
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<h3>Obtain a public key for encryption</h3>
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<p>The idea is that you use someone's public key to encrypt a message. From then on, the message cannot be decrypted and read by anyone but the person possessing the private keys associated with the public key (they'll have the same fingerprint).</p>
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<p>If you already have a public key (or its fingerprint) you would like to use to encrypt a message, great! If not, you could use the following fingerprint:</p>
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<code>9f0048ac0b23301e1f77e994909f6bd6f80f485d</code>
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<h3>Encrypt a message</h3>
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<p>Open the <a href="/encrypt" target="_blank">keyoxide.org/encrypt</a> page and paste the fingerprint in the <strong>Email / key id / fingerprint</strong> field.</p>
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<p>Write a message in the <strong>Message</strong> field. Scroll down and press the <strong>ENCRYPT MESSAGE</strong> button.</p>
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<p>You have successfully encrypted the message! The encrypted message in the <strong>Message</strong> field can safely be sent via unsecured communication channels knowing that only the person possessing the private key associated with that fingerprint can read it.</p>
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<h3>Going further</h3>
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<p>You could try using different mechanisms of fetching keys, such as <strong>web key directory</strong> or copy-pasting a plaintext public key.</p>
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<p>If you'd like to receive PGP encrypted messages, you must first learn the fundamentals of PGP and how to generate and handle your own keypair.</p>
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