nip-44: add audit notice

1 files changed, 6 insertions, 0 deletions

diff --git a/44.md b/44.md
index e66a7b3..d69c688 100644
--- a/44.md
+++ b/44.md
@@ -237,6 +237,12 @@ Before decryption, it's necessary to validate the message's pubkey and signature
    - Verify that the length of sliced plaintext matches the value of the two BE bytes
    - Verify that calculated padding from encryption's step 3 matches the actual padding
 
+## Audit
+
+The v2 of the standard has been subject to an audit by [Cure53](https://cure53.de) in December 2023.
+Check out [audit-2023.12.pdf](https://github.com/paulmillr/nip44/blob/ce63c2eaf345e9f7f93b48f829e6bdeb7e7d7964/audit-2023.12.pdf)
+and [auditor's website](https://cure53.de/audit-report_nip44-implementations.pdf).
+
 ## Tests and code
 
 A collection of implementations in different languages is available at https://github.com/paulmillr/nip44.