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KEYS: trusted: Expose common functionality [ver #2]

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This patch exposes some common functionality needed to send TPM commands.
Several functions from keys/trusted.c are exposed for use by the new tpm
key subtype and a module dependency is introduced.

In the future, common functionality between the trusted key type and the
asym_tpm subtype should be factored out into a common utility library.

Signed-off-by: Denis Kenzior <[email protected]>
Signed-off-by: David Howells <[email protected]>
Tested-by: Marcel Holtmann <[email protected]>
Reviewed-by: Marcel Holtmann <[email protected]>
Signed-off-by: James Morris <[email protected]>
This commit is contained in:
Denis Kenzior 2018-10-09 17:48:41 +01:00 • committed by James Morris
commit e1ea9f8602
3 changed files with 22 additions and 5 deletions
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1
crypto/asymmetric_keys/Kconfig
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@ -24,6 +24,7 @@ config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
config ASYMMETRIC_TPM_KEY_SUBTYPE
tristate "Asymmetric TPM backed private key subtype"
depends on TCG_TPM
depends on TRUSTED_KEYS
select CRYPTO_HMAC
select CRYPTO_SHA1
select CRYPTO_HASH_INFO