diff options
| author | James Bottomley | 2021-01-27 11:06:14 -0800 |
|---|---|---|
| committer | Jarkko Sakkinen | 2021-04-14 16:30:30 +0300 |
| commit | 1c6476e9741e30be57e0b370d4405214f055607c (patch) | |
| tree | 709b67483d2b12b71a643c8a4573e7a98f31afb0 /include/linux/oid_registry.h | |
| parent | b07067627cd5f1f6dc60c224b47c728f7f4b7b45 (diff) | |
oid_registry: Add TCG defined OIDS for TPM keys
The TCG has defined an OID prefix "2.23.133.10.1" for the various TPM
key uses. We've defined three of the available numbers:
2.23.133.10.1.3 TPM Loadable key. This is an asymmetric key (Usually
RSA2048 or Elliptic Curve) which can be imported by a
TPM2_Load() operation.
2.23.133.10.1.4 TPM Importable Key. This is an asymmetric key (Usually
RSA2048 or Elliptic Curve) which can be imported by a
TPM2_Import() operation.
Both loadable and importable keys are specific to a given TPM, the
difference is that a loadable key is wrapped with the symmetric
secret, so must have been created by the TPM itself. An importable
key is wrapped with a DH shared secret, and may be created without
access to the TPM provided you know the public part of the parent key.
2.23.133.10.1.5 TPM Sealed Data. This is a set of data (up to 128
bytes) which is sealed by the TPM. It usually
represents a symmetric key and must be unsealed before
use.
The ASN.1 binary key form starts of with this OID as the first element
of a sequence, giving the binary form a unique recognizable identity
marker regardless of encoding.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'include/linux/oid_registry.h')
| -rw-r--r-- | include/linux/oid_registry.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h index 4462ed2c18cd..d06988d1565e 100644 --- a/include/linux/oid_registry.h +++ b/include/linux/oid_registry.h @@ -113,6 +113,11 @@ enum OID { OID_SM2_with_SM3, /* 1.2.156.10197.1.501 */ OID_sm3WithRSAEncryption, /* 1.2.156.10197.1.504 */ + /* TCG defined OIDS for TPM based keys */ + OID_TPMLoadableKey, /* 2.23.133.10.1.3 */ + OID_TPMImportableKey, /* 2.23.133.10.1.4 */ + OID_TPMSealedData, /* 2.23.133.10.1.5 */ + OID__NR }; |