cli-tests: add t_passphrase_hashing

Test that the passphrase hashing seems to take long enough.

1 files changed, 34 insertions, 0 deletions

diff --git a/cli-tests/t_passphrase_hashing.sh b/cli-tests/t_passphrase_hashing.sh
new file mode 100755
index 0000000..a67dd7c
--- /dev/null
+++ b/cli-tests/t_passphrase_hashing.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Test that the passphrase hashing seems to take long enough.
+
+cd "$(dirname "$0")"
+. common.sh
+
+dir="$MNT/dir"
+
+# Test encrypting 5 dirs with default of 1s.
+fscrypt setup --force --quiet
+start_time=$(date +%s)
+for i in $(seq 5); do
+	rm -rf "$dir"
+	mkdir "$dir"
+	echo hunter2 | fscrypt encrypt --quiet --name="prot$i" "$dir"
+done
+end_time=$(date +%s)
+elapsed=$((end_time - start_time))
+if (( elapsed <= 3 )); then
+	_fail "Passphrase hashing was much faster than expected! (expected about 5 x 1 == 5s, got ${elapsed}s)"
+fi
+
+# Test encrypting 1 dir with difficulty overridden to 5s.
+fscrypt setup --force --quiet --time=5s
+start_time=$(date +%s)
+rm -rf "$dir"
+mkdir "$dir"
+echo hunter2 | fscrypt encrypt --quiet --name=prot6 "$dir"
+end_time=$(date +%s)
+elapsed=$((end_time - start_time))
+if (( elapsed <= 3 )); then
+	_fail "Passphrase hashing was much faster than expected! (expected about 5s, got ${elapsed}s)"
+fi