sodium-crypto-aead-aegis256-encrypt.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.sodium-crypto-aead-aegis256-encrypt" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>sodium_crypto_aead_aegis256_encrypt</refname>
  <refpurpose>Encrypt then authenticate a message with AEGIS-256</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>sodium_crypto_aead_aegis256_encrypt</methodname>
   <methodparam><modifier role="attribute">#[\SensitiveParameter]</modifier><type>string</type><parameter>message</parameter></methodparam>
   <methodparam><type>string</type><parameter>additional_data</parameter></methodparam>
   <methodparam><type>string</type><parameter>nonce</parameter></methodparam>
   <methodparam><modifier role="attribute">#[\SensitiveParameter]</modifier><type>string</type><parameter>key</parameter></methodparam>
  </methodsynopsis>
  <simpara>
   Encrypt then authenticate a message with AEGIS-256.
  </simpara>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>message</parameter></term>
    <listitem>
     <simpara>
      The plaintext message to encrypt.
     </simpara>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>additional_data</parameter></term>
    <listitem>
     <simpara>
      Additional, authenticated data. This is used in the verification of the authentication tag
      appended to the ciphertext, but it is not encrypted or stored in the ciphertext.
     </simpara>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>nonce</parameter></term>
    <listitem>
     <simpara>
      A number that must be only used once, per message.
     </simpara>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>key</parameter></term>
    <listitem>
     <simpara>
      Encryption key (256-bit).
     </simpara>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <simpara>
   Returns the ciphertext and authentication tag as a string of raw binary bytes.
  </simpara>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>sodium_crypto_aead_aegis256_decrypt</function></member>
   <member><function>sodium_crypto_aead_aegis256_keygen</function></member>
  </simplelist>
 </refsect1>
</refentry>
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