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<main>
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<article id="content">
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<header>
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<h1 class="title">Module <code>src.onionrcrypto.encryption</code></h1>
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</header>
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<section id="section-intro">
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">import nacl.encoding, nacl.public, nacl.signing
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from .. import getourkeypair
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import unpaddedbase32
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from onionrutils import bytesconverter, stringvalidators
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pair = getourkeypair.get_keypair()
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our_pub_key = unpaddedbase32.repad(pair[0].encode())
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our_priv_key = unpaddedbase32.repad(pair[1].encode())
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def pub_key_encrypt(data, pubkey, encodedData=False):
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'''Encrypt to a public key (Curve25519, taken from base32 Ed25519 pubkey)'''
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pubkey = unpaddedbase32.repad(bytesconverter.str_to_bytes(pubkey))
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retVal = ''
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box = None
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data = bytesconverter.str_to_bytes(data)
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pubkey = nacl.signing.VerifyKey(pubkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_public_key()
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if encodedData:
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encoding = nacl.encoding.Base64Encoder
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else:
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encoding = nacl.encoding.RawEncoder
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box = nacl.public.SealedBox(pubkey)
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retVal = box.encrypt(data, encoder=encoding)
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return retVal
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def pub_key_decrypt(data, pubkey='', privkey='', encodedData=False):
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'''pubkey decrypt (Curve25519, taken from Ed25519 pubkey)'''
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if pubkey != '':
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pubkey = unpaddedbase32.repad(bytesconverter.str_to_bytes(pubkey))
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decrypted = False
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if encodedData:
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encoding = nacl.encoding.Base64Encoder
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else:
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encoding = nacl.encoding.RawEncoder
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if privkey == '':
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privkey = our_priv_key
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ownKey = nacl.signing.SigningKey(seed=privkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_private_key()
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if stringvalidators.validate_pub_key(privkey):
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privkey = nacl.signing.SigningKey(seed=privkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_private_key()
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anonBox = nacl.public.SealedBox(privkey)
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else:
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anonBox = nacl.public.SealedBox(ownKey)
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decrypted = anonBox.decrypt(data, encoder=encoding)
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return decrypted</code></pre>
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</details>
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</section>
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<section>
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</section>
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<section>
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</section>
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<section>
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<h2 class="section-title" id="header-functions">Functions</h2>
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<dl>
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<dt id="src.onionrcrypto.encryption.pub_key_decrypt"><code class="name flex">
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<span>def <span class="ident">pub_key_decrypt</span></span>(<span>data, pubkey='', privkey='', encodedData=False)</span>
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</code></dt>
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<dd>
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<section class="desc"><p>pubkey decrypt (Curve25519, taken from Ed25519 pubkey)</p></section>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def pub_key_decrypt(data, pubkey='', privkey='', encodedData=False):
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'''pubkey decrypt (Curve25519, taken from Ed25519 pubkey)'''
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if pubkey != '':
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pubkey = unpaddedbase32.repad(bytesconverter.str_to_bytes(pubkey))
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decrypted = False
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if encodedData:
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encoding = nacl.encoding.Base64Encoder
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else:
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encoding = nacl.encoding.RawEncoder
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if privkey == '':
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privkey = our_priv_key
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ownKey = nacl.signing.SigningKey(seed=privkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_private_key()
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if stringvalidators.validate_pub_key(privkey):
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privkey = nacl.signing.SigningKey(seed=privkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_private_key()
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anonBox = nacl.public.SealedBox(privkey)
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else:
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anonBox = nacl.public.SealedBox(ownKey)
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decrypted = anonBox.decrypt(data, encoder=encoding)
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return decrypted</code></pre>
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</details>
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</dd>
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<dt id="src.onionrcrypto.encryption.pub_key_encrypt"><code class="name flex">
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<span>def <span class="ident">pub_key_encrypt</span></span>(<span>data, pubkey, encodedData=False)</span>
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</code></dt>
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<dd>
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<section class="desc"><p>Encrypt to a public key (Curve25519, taken from base32 Ed25519 pubkey)</p></section>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">def pub_key_encrypt(data, pubkey, encodedData=False):
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'''Encrypt to a public key (Curve25519, taken from base32 Ed25519 pubkey)'''
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pubkey = unpaddedbase32.repad(bytesconverter.str_to_bytes(pubkey))
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retVal = ''
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box = None
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data = bytesconverter.str_to_bytes(data)
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pubkey = nacl.signing.VerifyKey(pubkey, encoder=nacl.encoding.Base32Encoder()).to_curve25519_public_key()
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if encodedData:
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encoding = nacl.encoding.Base64Encoder
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else:
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encoding = nacl.encoding.RawEncoder
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box = nacl.public.SealedBox(pubkey)
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retVal = box.encrypt(data, encoder=encoding)
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return retVal</code></pre>
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</details>
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</dd>
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</dl>
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</section>
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<section>
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</section>
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</article>
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<nav id="sidebar">
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<h1>Index</h1>
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<div class="toc">
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<ul></ul>
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</div>
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<ul id="index">
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<li><h3>Super-module</h3>
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<ul>
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<li><code><a title="src.onionrcrypto" href="../index.html">src.onionrcrypto</a></code></li>
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</ul>
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</li>
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<li><h3><a href="#header-functions">Functions</a></h3>
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<ul class="">
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<li><code><a title="src.onionrcrypto.encryption.pub_key_decrypt" href="#src.onionrcrypto.encryption.pub_key_decrypt">pub_key_decrypt</a></code></li>
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<li><code><a title="src.onionrcrypto.encryption.pub_key_encrypt" href="#src.onionrcrypto.encryption.pub_key_encrypt">pub_key_encrypt</a></code></li>
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</ul>
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</li>
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</ul>
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