132 lines
9.5 KiB
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132 lines
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</head>
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<body>
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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>onionr.onionrcrypto.generate</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>Source code</summary>
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<pre><code class="python">import nacl.signing, nacl.encoding, nacl.pwhash
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import onionrexceptions
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from onionrutils import bytesconverter
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from etc import onionrvalues
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def generate_pub_key():
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'''Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey'''
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private_key = nacl.signing.SigningKey.generate()
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public_key = private_key.verify_key.encode(encoder=nacl.encoding.Base32Encoder())
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return (public_key.decode(), private_key.encode(encoder=nacl.encoding.Base32Encoder()).decode())
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def generate_deterministic(passphrase, bypassCheck=False):
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'''Generate a Ed25519 public key pair from a password'''
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passStrength = onionrvalues.PASSWORD_LENGTH
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passphrase = bytesconverter.str_to_bytes(passphrase) # Convert to bytes if not already
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# Validate passphrase length
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if not bypassCheck:
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if len(passphrase) < passStrength:
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raise onionrexceptions.PasswordStrengthError("Passphase must be at least %s characters" % (passStrength,))
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# KDF values
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kdf = nacl.pwhash.argon2id.kdf
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salt = b"U81Q7llrQcdTP0Ux" # Does not need to be unique or secret, but must be 16 bytes
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ops = nacl.pwhash.argon2id.OPSLIMIT_SENSITIVE
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mem = nacl.pwhash.argon2id.MEMLIMIT_SENSITIVE
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key = kdf(32, passphrase, salt, opslimit=ops, memlimit=mem) # Generate seed for ed25519 key
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key = nacl.signing.SigningKey(key)
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return (key.verify_key.encode(nacl.encoding.Base32Encoder).decode(), key.encode(nacl.encoding.Base32Encoder).decode())</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="onionr.onionrcrypto.generate.generate_deterministic"><code class="name flex">
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<span>def <span class="ident">generate_deterministic</span></span>(<span>passphrase, bypassCheck=False)</span>
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</code></dt>
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<dd>
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<section class="desc"><p>Generate a Ed25519 public key pair from a password</p></section>
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<details class="source">
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<summary>Source code</summary>
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<pre><code class="python">def generate_deterministic(passphrase, bypassCheck=False):
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'''Generate a Ed25519 public key pair from a password'''
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passStrength = onionrvalues.PASSWORD_LENGTH
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passphrase = bytesconverter.str_to_bytes(passphrase) # Convert to bytes if not already
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# Validate passphrase length
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if not bypassCheck:
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if len(passphrase) < passStrength:
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raise onionrexceptions.PasswordStrengthError("Passphase must be at least %s characters" % (passStrength,))
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# KDF values
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kdf = nacl.pwhash.argon2id.kdf
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salt = b"U81Q7llrQcdTP0Ux" # Does not need to be unique or secret, but must be 16 bytes
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ops = nacl.pwhash.argon2id.OPSLIMIT_SENSITIVE
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mem = nacl.pwhash.argon2id.MEMLIMIT_SENSITIVE
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key = kdf(32, passphrase, salt, opslimit=ops, memlimit=mem) # Generate seed for ed25519 key
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key = nacl.signing.SigningKey(key)
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return (key.verify_key.encode(nacl.encoding.Base32Encoder).decode(), key.encode(nacl.encoding.Base32Encoder).decode())</code></pre>
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</details>
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</dd>
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<dt id="onionr.onionrcrypto.generate.generate_pub_key"><code class="name flex">
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<span>def <span class="ident">generate_pub_key</span></span>(<span>)</span>
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</code></dt>
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<dd>
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<section class="desc"><p>Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey</p></section>
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<details class="source">
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<summary>Source code</summary>
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<pre><code class="python">def generate_pub_key():
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'''Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey'''
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private_key = nacl.signing.SigningKey.generate()
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public_key = private_key.verify_key.encode(encoder=nacl.encoding.Base32Encoder())
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return (public_key.decode(), private_key.encode(encoder=nacl.encoding.Base32Encoder()).decode())</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="onionr.onionrcrypto" href="index.html">onionr.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="onionr.onionrcrypto.generate.generate_deterministic" href="#onionr.onionrcrypto.generate.generate_deterministic">generate_deterministic</a></code></li>
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<li><code><a title="onionr.onionrcrypto.generate.generate_pub_key" href="#onionr.onionrcrypto.generate.generate_pub_key">generate_pub_key</a></code></li>
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