os-helpers-tpm2: add size param to hw_gen_passphrase

Change-type: patch Signed-off-by: Joseph Kogut <joseph@balena.io>
balena-os · Sep 30, 2024 · a4d3fea · a4d3fea
1 parent 3c72794
commit a4d3fea
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/meta-balena-common/recipes-support/os-helpers/os-helpers/os-helpers-tpm2 b/meta-balena-common/recipes-support/os-helpers/os-helpers/os-helpers-tpm2
@@ -165,7 +165,8 @@ print_pcr_val_bin() {
 }
 
 hw_gen_passphrase() {
-    tpm2_getrandom 32
+    size=${1:-32}
+    tpm2_getrandom $size
 }
 
 hw_encrypt_passphrase() {