Add a reference

jedisct1 · Nov 14, 2021 · 467f0c0 · 467f0c0
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commit 467f0c0
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/advanced/ed25519-curve25519.md b/advanced/ed25519-curve25519.md
@@ -53,4 +53,8 @@ this function.
 ## Notes
 
 If you can afford it, using distinct keys for signing and for encryption is
-still highly recommended.
+still highly recommended.
+
+## References
+
+* [On using the same key pair for Ed25519 and an X25519 based KEM](https://eprint.iacr.org/2021/509.pdf) - E. Thormarker