tpm2: replace magic number in hmac_sensitive initialization

Instead of setting hmac_sensitive.sensitive.data.size to '32' use the actual
hash size as set in the hmac_template.

diff --git a/src/shared/tpm2-util.c b/src/shared/tpm2-util.c
index aaaff81309af03afa3d7c03d9d9e0df4599563df..fd645789f87213f438ad1bf0ab289354fd49514a 100644 (file)
--- a/src/shared/tpm2-util.c
+++ b/src/shared/tpm2-util.c
@@ -2973,7 +2973,7 @@ int tpm2_seal(const char *device,
 
         TPM2B_SENSITIVE_CREATE hmac_sensitive = {
                 .size = sizeof(hmac_sensitive.sensitive),
-                .sensitive.data.size = 32,
+                .sensitive.data.size = hmac_template.publicArea.unique.keyedHash.size,
         };
 
         CLEANUP_ERASE(hmac_sensitive);