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| author |   Denis Kenzior <denkenz@gmail.com> | 2018-10-09 17:48:10 +0100 |
|---|---|---|
| committer |   James Morris <james.morris@microsoft.com> | 2018-10-26 09:30:46 +0100 |
| commit | f8c54e1ac4b82933dfcf88c37892da8ae35ccbe4 (patch) | |
| tree | 9f11437c13e8e27429e009ab8d0481b07196d15c /include/crypto | |
| parent | KEYS: asym_tpm: add skeleton for asym_tpm [ver #2] (diff) | |
| download | linux-dev-f8c54e1ac4b82933dfcf88c37892da8ae35ccbe4.tar.xz linux-dev-f8c54e1ac4b82933dfcf88c37892da8ae35ccbe4.zip | |
KEYS: asym_tpm: extract key size & public key [ver #2]
The parsed BER/DER blob obtained from user space contains a TPM_Key
structure. This structure has some information about the key as well as
the public key portion.
This patch extracts this information for future use.
Signed-off-by: Denis Kenzior <denkenz@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: James Morris <james.morris@microsoft.com>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/asym_tpm_subtype.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/crypto/asym_tpm_subtype.h b/include/crypto/asym_tpm_subtype.h index 03550b850998..48198c36d6b9 100644 --- a/include/crypto/asym_tpm_subtype.h +++ b/include/crypto/asym_tpm_subtype.h @@ -7,6 +7,9 @@ struct tpm_key { void *blob; u32 blob_len; + uint16_t key_len; /* Size in bits of the key */ + const void *pub_key; /* pointer inside blob to the public key bytes */ + uint16_t pub_key_len; /* length of the public key */ }; struct tpm_key *tpm_key_create(const void *blob, uint32_t blob_len); |