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-rw-r--r--lib/crypto/doc/src/algorithm_details.xml14
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diff --git a/lib/crypto/doc/src/algorithm_details.xml b/lib/crypto/doc/src/algorithm_details.xml
index 4d58d26970..854bfbb4b1 100644
--- a/lib/crypto/doc/src/algorithm_details.xml
+++ b/lib/crypto/doc/src/algorithm_details.xml
@@ -303,6 +303,20 @@
</section>
<section>
+ <title>EdDSA</title>
+ <p>EdDSA is available with OpenSSL 1.1.1 or later if not disabled by configuration.
+ To dynamically check availability, check that the atom <c>eddsa</c> is present in the
+ list with the <c>public_keys</c> tag in the return value of
+ <seealso marker="crypto#supports-0">crypto:supports()</seealso>.
+ </p>
+ <p>Support for the curves ed25519 and ed448 is implemented.
+ The actual supported named curves could be checked by examining the list with the
+ <c>curves</c> tag in the return value of
+ <seealso marker="crypto#supports-0">crypto:supports()</seealso>.
+ </p>
+ </section>
+
+ <section>
<title>Diffie-Hellman</title>
<p>Diffie-Hellman computations are available with OpenSSL versions compatible with Erlang CRYPTO
if not disabled by configuration.