diff --git a/notes.md b/notes.md
index c8587b266..2c1c7825d 100644
--- a/notes.md
+++ b/notes.md
@@ -177,3 +177,4 @@
 2021-05-09T18:40:00 - Implementing approach from a new paper read last night (cryptography)
 2021-05-09T23:26:00 - Experimenting with FPGA constraints (source: Trimberger 'Three Ages of FPGAs') (cryptography)
 2021-05-09T02:54:00 - Implementing approach from a new paper read last night (cryptography)
+2021-05-09T04:38:00 - Trying out boneh-franklin approach for IBE (ref. 2003 paper) (cryptography)