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78 lines
2.2 KiB
Markdown
78 lines
2.2 KiB
Markdown
<!--
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SPDX-FileCopyrightText: 2021 Paul Schaub <vanitasvitae@fsfe.org>
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SPDX-License-Identifier: Apache-2.0
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-->
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# PGPainless-SOP
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[](https://datatracker.ietf.org/doc/draft-dkg-openpgp-stateless-cli/)
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[](https://search.maven.org/artifact/org.pgpainless/pgpainless-sop)
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[](https://javadoc.io/doc/org.pgpainless/pgpainless-sop)
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Implementation of the Stateless OpenPGP Protocol using PGPainless.
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This module implements `sop-java` using `pgpainless-core`.
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If your code depends on `sop-java`, this module can be used as a realization of those interfaces.
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## Get started
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To start using pgpainless-sop in your code, include the following lines in your build script:
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```
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// If you use Gradle
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...
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dependencies {
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...
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implementation "org.pgpainless:pgpainless-sop:1.4.0-rc1"
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...
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}
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// If you use Maven
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...
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<dependencies>
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...
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<dependency>
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<groupId>org.pgpainless</groupId>
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<artifactId>pgpainless-sop</artifactId>
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<version>1.4.0-rc1</version>
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</dependency>
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...
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</dependencies>
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```
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`pgpainless-sop` will transitively pull in its dependencies, such as `sop-java` and `pgpainless-core`.
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## Usage Examples
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```java
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SOP sop = new SOPImpl();
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// Generate an OpenPGP key
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byte[] key = sop.generateKey()
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.userId("Alice <alice@example.org>")
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.generate()
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.getBytes();
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// Extract the certificate (public key)
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byte[] cert = sop.extractCert()
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.key(key)
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.getBytes();
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// Encrypt a message
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byte[] message = ...
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byte[] encrypted = sop.encrypt()
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.withCert(cert)
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.signWith(key)
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.plaintext(message)
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.getBytes();
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// Decrypt a message
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ByteArrayAndResult<DecryptionResult> messageAndVerifications = sop.decrypt()
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.verifyWith(cert)
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.withKey(key)
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.ciphertext(encrypted)
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.toByteArrayAndResult();
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byte[] decrypted = messageAndVerifications.getBytes();
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// Signature Verifications
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DecryptionResult messageInfo = messageAndVerifications.getResult();
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List<Verification> signatureVerifications = messageInfo.getVerifications();
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```
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