tpm: seal/unseal for TPM 2.0

Added tpm_trusted_seal() and tpm_trusted_unseal() API for sealing
trusted keys.

This patch implements basic sealing and unsealing functionality for
TPM 2.0:

* Seal with a parent key using a 20 byte auth value.
* Unseal with a parent key using a 20 byte auth value.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/keys/trusted-type.h b/include/keys/trusted-type.h
index c91651f91687..f91ecd9d1bb1 100644
--- a/include/keys/trusted-type.h
+++ b/include/keys/trusted-type.h
@@ -16,7 +16,7 @@
 
 #define MIN_KEY_SIZE                    32
 #define MAX_KEY_SIZE                    128
-#define MAX_BLOB_SIZE                   320
+#define MAX_BLOB_SIZE                   512
 #define MAX_PCRINFO_SIZE                64
 
 struct trusted_key_payload {