Onionr/docs/html/src/onionrcrypto/generate.html

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<header>
<h1 class="title">Module <code>src.onionrcrypto.generate</code></h1>
</header>
<section id="section-intro">
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">import nacl.signing, nacl.encoding, nacl.pwhash
import onionrexceptions
from onionrutils import bytesconverter
from etc import onionrvalues
def generate_pub_key():
&#39;&#39;&#39;Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey&#39;&#39;&#39;
private_key = nacl.signing.SigningKey.generate()
public_key = private_key.verify_key.encode(encoder=nacl.encoding.Base32Encoder())
return (public_key.decode(), private_key.encode(encoder=nacl.encoding.Base32Encoder()).decode())
def generate_deterministic(passphrase, bypassCheck=False):
&#39;&#39;&#39;Generate a Ed25519 public key pair from a password&#39;&#39;&#39;
passStrength = onionrvalues.PASSWORD_LENGTH
passphrase = bytesconverter.str_to_bytes(passphrase) # Convert to bytes if not already
# Validate passphrase length
if not bypassCheck:
if len(passphrase) &lt; passStrength:
raise onionrexceptions.PasswordStrengthError(&#34;Passphase must be at least %s characters&#34; % (passStrength,))
# KDF values
kdf = nacl.pwhash.argon2id.kdf
salt = b&#34;U81Q7llrQcdTP0Ux&#34; # Does not need to be unique or secret, but must be 16 bytes
ops = nacl.pwhash.argon2id.OPSLIMIT_SENSITIVE
mem = nacl.pwhash.argon2id.MEMLIMIT_SENSITIVE
key = kdf(32, passphrase, salt, opslimit=ops, memlimit=mem) # Generate seed for ed25519 key
key = nacl.signing.SigningKey(key)
return (key.verify_key.encode(nacl.encoding.Base32Encoder).decode(), key.encode(nacl.encoding.Base32Encoder).decode())</code></pre>
</details>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-functions">Functions</h2>
<dl>
<dt id="src.onionrcrypto.generate.generate_deterministic"><code class="name flex">
<span>def <span class="ident">generate_deterministic</span></span>(<span>passphrase, bypassCheck=False)</span>
</code></dt>
<dd>
<section class="desc"><p>Generate a Ed25519 public key pair from a password</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def generate_deterministic(passphrase, bypassCheck=False):
&#39;&#39;&#39;Generate a Ed25519 public key pair from a password&#39;&#39;&#39;
passStrength = onionrvalues.PASSWORD_LENGTH
passphrase = bytesconverter.str_to_bytes(passphrase) # Convert to bytes if not already
# Validate passphrase length
if not bypassCheck:
if len(passphrase) &lt; passStrength:
raise onionrexceptions.PasswordStrengthError(&#34;Passphase must be at least %s characters&#34; % (passStrength,))
# KDF values
kdf = nacl.pwhash.argon2id.kdf
salt = b&#34;U81Q7llrQcdTP0Ux&#34; # Does not need to be unique or secret, but must be 16 bytes
ops = nacl.pwhash.argon2id.OPSLIMIT_SENSITIVE
mem = nacl.pwhash.argon2id.MEMLIMIT_SENSITIVE
key = kdf(32, passphrase, salt, opslimit=ops, memlimit=mem) # Generate seed for ed25519 key
key = nacl.signing.SigningKey(key)
return (key.verify_key.encode(nacl.encoding.Base32Encoder).decode(), key.encode(nacl.encoding.Base32Encoder).decode())</code></pre>
</details>
</dd>
<dt id="src.onionrcrypto.generate.generate_pub_key"><code class="name flex">
<span>def <span class="ident">generate_pub_key</span></span>(<span>)</span>
</code></dt>
<dd>
<section class="desc"><p>Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey</p></section>
<details class="source">
<summary>
<span>Expand source code</span>
</summary>
<pre><code class="python">def generate_pub_key():
&#39;&#39;&#39;Generate a Ed25519 public key pair, return tuple of base32encoded pubkey, privkey&#39;&#39;&#39;
private_key = nacl.signing.SigningKey.generate()
public_key = private_key.verify_key.encode(encoder=nacl.encoding.Base32Encoder())
return (public_key.decode(), private_key.encode(encoder=nacl.encoding.Base32Encoder()).decode())</code></pre>
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</dl>
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<section>
</section>
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<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3>Super-module</h3>
<ul>
<li><code><a title="src.onionrcrypto" href="index.html">src.onionrcrypto</a></code></li>
</ul>
</li>
<li><h3><a href="#header-functions">Functions</a></h3>
<ul class="">
<li><code><a title="src.onionrcrypto.generate.generate_deterministic" href="#src.onionrcrypto.generate.generate_deterministic">generate_deterministic</a></code></li>
<li><code><a title="src.onionrcrypto.generate.generate_pub_key" href="#src.onionrcrypto.generate.generate_pub_key">generate_pub_key</a></code></li>
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