From 294d8c850f84e93ddb523da7e5fc6781cd5de5b4 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Fri, 19 Aug 2022 08:05:18 +0200
Subject: [PATCH] S/MIME ECC

---
 app/src/main/java/eu/faircode/email/FragmentCompose.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/eu/faircode/email/FragmentCompose.java b/app/src/main/java/eu/faircode/email/FragmentCompose.java
index c2ec6be2bd..d4e5787235 100644
--- a/app/src/main/java/eu/faircode/email/FragmentCompose.java
+++ b/app/src/main/java/eu/faircode/email/FragmentCompose.java
@@ -3923,8 +3923,9 @@ public class FragmentCompose extends FragmentBase {
                 // Encrypt
                 CMSEnvelopedDataGenerator cmsEnvelopedDataGenerator = new CMSEnvelopedDataGenerator();
                 if ("EC".equals(privkey.getAlgorithm())) {
+                    // https://datatracker.ietf.org/doc/html/draft-ietf-smime-3278bis
                     JceKeyAgreeRecipientInfoGenerator gen = new JceKeyAgreeRecipientInfoGenerator(
-                            CMSAlgorithm.ECDH_SHA256KDF,
+                            CMSAlgorithm.ECCDH_SHA256KDF,
                             privkey,
                             chain[0].getPublicKey(),
                             CMSAlgorithm.AES128_WRAP);