diff --git a/checks/plain-1-pgp.asc b/checks/plain-1-pgp.asc
new file mode 100644
index 000000000..10e50884d
--- /dev/null
+++ b/checks/plain-1-pgp.asc
@@ -0,0 +1,29 @@
+This is an encrypted version of plain-1 for
+the PGP test key 0xCB879DE9 using CAST.
+
+
+-----BEGIN PGP MESSAGE-----
+Version: PGPfreeware 5.0i for non-commercial use
+MessageID: D0P6k4cfvaTDkyRQM+/MpOoQW6xT5Swm
+
+qANQR1DBwA4DW3oC8MuHnekQAwDj3tkgY6XU+e1k9XOlSSzIPGenxgOZ8VSvuEUd
+L+/1E9T2KJmH5CGyH4Hz6wIOLtFSd1A13yYRyHNhxD/nGgcjg6etZNVQnjPuRp5k
+O4jYz2BCstkjz793ZjPzgXgdpt0C/0zmlQz8clT+/cswAj0t1famcz/Ai4gexfkI
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+kzSGwfbabKY3mvRWGTGpZil43BRMK7nzL6oN0f7Y+/DTRp4Vzc0NTyfV2QkU25Il
+ARs4Cxa138Nw4fmfvenCvv2QL2Ks/HCM7lybhq2IvbRVRiOEgcPxvRtZ5VKrqbkM
+rrzzqi2PxlVrinR2GAkNu75ef+FP/KWP4NFYvEMpDxqXNS7Ju1sfcyFaTnm9
+=TpZW
+-----END PGP MESSAGE-----