diff --git a/trusty/gatekeeper/fuzz/Android.bp b/trusty/gatekeeper/fuzz/Android.bp
index 27605aa..7ffa776 100644
--- a/trusty/gatekeeper/fuzz/Android.bp
+++ b/trusty/gatekeeper/fuzz/Android.bp
@@ -16,4 +16,9 @@
     name: "trusty_gatekeeper_fuzzer",
     defaults: ["trusty_fuzzer_defaults"],
     srcs: ["fuzz.cpp"],
+
+    // The initial corpus for this fuzzer was derived by dumping messages from
+    // the `secure_env` emulator interface for cuttlefish while enrolling a new
+    // password in the emulator.
+    corpus: ["corpus/*"],
 }
diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-2MMzSr b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-2MMzSr
new file mode 100644
index 0000000..f3c1f79
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-2MMzSr
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Et63W0 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Et63W0
new file mode 100644
index 0000000..b3e6585
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Et63W0
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-G41Iz8 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-G41Iz8
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-G41Iz8
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-ItEoqJ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-ItEoqJ
new file mode 100644
index 0000000..85d38c7
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-ItEoqJ
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-MGXdfu b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-MGXdfu
new file mode 100644
index 0000000..f8e1467
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-MGXdfu
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Yq4f10 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Yq4f10
new file mode 100644
index 0000000..c221077
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-Yq4f10
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-agxKZa b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-agxKZa
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-agxKZa
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-alhn2v b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-alhn2v
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-alhn2v
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-eVJFHV b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-eVJFHV
new file mode 100644
index 0000000..f3c1f79
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-eVJFHV
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-et5K21 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-et5K21
new file mode 100644
index 0000000..f3c1f79
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-et5K21
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-gun5YX b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-gun5YX
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-gun5YX
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-kXw1R9 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-kXw1R9
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-kXw1R9
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-moapss b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-moapss
new file mode 100644
index 0000000..85d38c7
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-moapss
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-u5QySb b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-u5QySb
new file mode 100644
index 0000000..09f9d74
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-u5QySb
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-uZtvkq b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-uZtvkq
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-uZtvkq
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-w5G2SF b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-w5G2SF
new file mode 100644
index 0000000..d42956d
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-w5G2SF
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-y3H74x b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-y3H74x
new file mode 100644
index 0000000..1cec413
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-y3H74x
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-yALfeS b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-yALfeS
new file mode 100644
index 0000000..f3c1f79
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-recv-yALfeS
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-2S1GLi b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-2S1GLi
new file mode 100644
index 0000000..08b3449
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-2S1GLi
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-4j7hUc b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-4j7hUc
new file mode 100644
index 0000000..5507400
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-4j7hUc
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-6hsSQG b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-6hsSQG
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-6hsSQG
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-E8CE7b b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-E8CE7b
new file mode 100644
index 0000000..21cdd9c
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-E8CE7b
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-GEDmHj b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-GEDmHj
new file mode 100644
index 0000000..23a8c08
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-GEDmHj
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-MpwDEN b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-MpwDEN
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index 0000000..1795d09
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-MpwDEN
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Qutf8O b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Qutf8O
new file mode 100644
index 0000000..4f69edf
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Qutf8O
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Sg1WMt b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Sg1WMt
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index 0000000..ba6d1cb
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Sg1WMt
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-U6Y1My b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-U6Y1My
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index 0000000..631ef79
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-U6Y1My
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-WdSRky b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-WdSRky
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-WdSRky
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Ypw6WP b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Ypw6WP
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Ypw6WP
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Yyj4Af b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-Yyj4Af
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-amyF62 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-amyF62
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--- /dev/null
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-gu8ziA b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-gu8ziA
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index 0000000..bab5da1
--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-gu8ziA
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-iCATsM b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-iCATsM
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-iCATsM
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-kawT3I b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-kawT3I
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-kawT3I
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-sYFzM5 b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-sYFzM5
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--- /dev/null
+++ b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-sYFzM5
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diff --git a/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-yNFMdn b/trusty/gatekeeper/fuzz/corpus/gatekeeper-send-yNFMdn
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--- /dev/null
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