It's better to set the continueSession attribute for the unseal
operation so that the session object is not removed as a side-effect
when the operation is successful. Since a user process created the
session, it should be also decide when the session is destroyed.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Fixes:
5beb0c435b ("keys, trusted: seal with a TPM2 authorization policy")
#include <keys/trusted-type.h>
enum tpm2_object_attributes {
#include <keys/trusted-type.h>
enum tpm2_object_attributes {
- TPM2_ATTR_USER_WITH_AUTH = BIT(6),
+ TPM2_OA_USER_WITH_AUTH = BIT(6),
+};
+
+enum tpm2_session_attributes {
+ TPM2_SA_CONTINUE_SESSION = BIT(0),
};
struct tpm2_startup_in {
};
struct tpm2_startup_in {
tpm_buf_append(&buf, options->policydigest,
options->policydigest_len);
} else {
tpm_buf_append(&buf, options->policydigest,
options->policydigest_len);
} else {
- tpm_buf_append_u32(&buf, TPM2_ATTR_USER_WITH_AUTH);
+ tpm_buf_append_u32(&buf, TPM2_OA_USER_WITH_AUTH);
tpm_buf_append_u16(&buf, 0);
}
tpm_buf_append_u16(&buf, 0);
}
options->policyhandle ?
options->policyhandle : TPM2_RS_PW,
NULL /* nonce */, 0,
options->policyhandle ?
options->policyhandle : TPM2_RS_PW,
NULL /* nonce */, 0,
- 0 /* session_attributes */,
+ TPM2_SA_CONTINUE_SESSION,
options->blobauth /* hmac */,
TPM_DIGEST_SIZE);
options->blobauth /* hmac */,
TPM_DIGEST_SIZE);