4 files changed, 168 insertions, 0 deletions
diff --git a/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque
new file mode 100644
index 0000000000..a6a2f98d04
--- /dev/null
+++ b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque
@@ -0,0 +1,42 @@
+Content-Type: application/pkcs7-mime; name=smime.p7m;
+    smime-type=signed-data
+Content-Transfer-Encoding: base64
+Content-Disposition: attachment; filename=smime.p7m
+Content-Description: S/MIME Cryptographic Signature
+
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diff --git a/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.eml b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.eml
new file mode 100644
index 0000000000..8dbc85328a
--- /dev/null
+++ b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.eml
@@ -0,0 +1,49 @@
+MIME-Version: 1.0
+Date: Tue, 21 Nov 2023 20:50:06 +0000
+From: Alice@example.com
+To: Bob@example.com
+Subject: opaque-signed sig.SHA1
+Content-Type: application/pkcs7-mime; name=smime.p7m;
+    smime-type=signed-data
+Content-Transfer-Encoding: base64
+Content-Disposition: attachment; filename=smime.p7m
+Content-Description: S/MIME Cryptographic Signature
+
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+
diff --git a/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env
new file mode 100644
index 0000000000..2a0837b0df
--- /dev/null
+++ b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env
diff --git a/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env.eml b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env.eml
new file mode 100644
index 0000000000..d9ab8a516b
--- /dev/null
+++ b/comm/mailnews/test/data/smime/alice.sig.SHA1.opaque.env.eml
@@ -0,0 +1,77 @@
+MIME-Version: 1.0
+Date: Tue, 21 Nov 2023 20:50:06 +0000
+From: Alice@example.com
+To: Bob@example.com
+Subject: opaque-signed then enveloped sig.SHA1
+Content-Type: application/pkcs7-mime; name=smime.p7m;
+    smime-type=enveloped-data
+Content-Transfer-Encoding: base64
+Content-Disposition: attachment; filename=smime.p7m
+Content-Description: S/MIME Encrypted Message
+
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