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sodium_crypto_aead_aes256gcm_is_available: document the 8.4 aarch64 support #5780

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sodium_crypto_aead_aes256gcm_is_available: document the 8.4 aarch64 support #5780

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28 changes: 28 additions & 0 deletions reference/sodium/functions/sodium-crypto-aead-aes256gcm-is-available.xml
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Expand Up @@ -30,6 +30,34 @@
</simpara>
</refsect1>

<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.4.0</entry>
<entry>
This function may now return &true; on aarch64 CPUs that provide the
ARM cryptographic extensions (the ARMv8 AES instructions). Previously,
hardware-accelerated AES-256-GCM was only detected on x86 and x86-64
hardware: this function always returned &false; on aarch64, and the
other AES-256-GCM functions, such as
<function>sodium_crypto_aead_aes256gcm_encrypt</function>, were not
available on that platform at all.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>


</refentry>
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