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a335974ae0
linux/crypto/asymmetric_keys
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Denis Kenzior a335974ae0 KEYS: asym_tpm: Implement the decrypt operation [ver #2] 
This patch implements the pkey_decrypt operation using the private key
blob.  The blob is first loaded into the TPM via tpm_loadkey2.  Once the
handle is obtained, tpm_unbind operation is used to decrypt the data on
the TPM and the result is returned.  The key loaded by tpm_loadkey2 is
then evicted via tpm_flushspecific operation.

This patch assumes that the SRK authorization is a well known 20-byte of
zeros and the same holds for the key authorization of the provided key.

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>
2018-10-26 09:30:47 +01:00
..
asym_tpm.c KEYS: asym_tpm: Implement the decrypt operation [ver #2] 2018-10-26 09:30:47 +01:00
asymmetric_keys.h KEYS: Provide missing asymmetric key subops for new key type ops [ver #2] 2018-10-26 09:30:46 +01:00
asymmetric_type.c KEYS: Provide missing asymmetric key subops for new key type ops [ver #2] 2018-10-26 09:30:46 +01:00
Kconfig KEYS: trusted: Expose common functionality [ver #2] 2018-10-26 09:30:47 +01:00
Makefile KEYS: Add parser for TPM-based keys [ver #2] 2018-10-26 09:30:46 +01:00
mscode_parser.c kbuild: rename *-asn1.[ch] to *.asn1.[ch] 2018-04-07 19:04:02 +09:00
mscode.asn1 pefile: Parse the "Microsoft individual code signing" data blob 2014-07-09 14:58:37 +01:00
pkcs7_key_type.c Replace magic for trusting the secondary keyring with #define 2018-08-16 09:57:20 -07:00
pkcs7_parser.c KEYS: Make the X.509 and PKCS7 parsers supply the sig encoding type [ver #2] 2018-10-26 09:30:46 +01:00
pkcs7_parser.h PKCS#7: Handle blacklisted certificates 2017-04-03 16:07:25 +01:00
pkcs7_trust.c PKCS#7: fix direct verification of SignerInfo signature 2018-02-22 14:38:33 +00:00
pkcs7_verify.c PKCS#7: fix certificate blacklisting 2018-02-22 14:38:33 +00:00
pkcs7.asn1 PKCS#7: Appropriately restrict authenticated attributes and content type 2015-08-12 17:01:01 +01:00
pkcs8_parser.c KEYS: Implement PKCS#8 RSA Private Key parser [ver #2] 2018-10-26 09:30:46 +01:00
pkcs8.asn1 KEYS: Implement PKCS#8 RSA Private Key parser [ver #2] 2018-10-26 09:30:46 +01:00
public_key.c KEYS: Implement encrypt, decrypt and sign for software asymmetric key [ver #2] 2018-10-26 09:30:46 +01:00
restrict.c X.509: fix NULL dereference when restricting key with unsupported_sig 2018-02-22 14:38:34 +00:00
signature.c KEYS: Provide missing asymmetric key subops for new key type ops [ver #2] 2018-10-26 09:30:46 +01:00
tpm_parser.c KEYS: Add parser for TPM-based keys [ver #2] 2018-10-26 09:30:46 +01:00
tpm.asn1 KEYS: Add parser for TPM-based keys [ver #2] 2018-10-26 09:30:46 +01:00
verify_pefile.c crypto : asymmetric_keys : verify_pefile:zero memory content before freeing 2017-06-09 13:29:50 +10:00
verify_pefile.h KEYS: Generalise system_verify_data() to provide access to internal content 2016-04-06 16:14:24 +01:00
x509_akid.asn1 X.509: Extract both parts of the AuthorityKeyIdentifier 2015-08-07 16:26:13 +01:00
x509_cert_parser.c KEYS: Make the X.509 and PKCS7 parsers supply the sig encoding type [ver #2] 2018-10-26 09:30:46 +01:00
x509_parser.h X.509: Allow X.509 certs to be blacklisted 2017-04-03 16:07:25 +01:00
x509_public_key.c X.509: fix comparisons of ->pkey_algo 2017-12-08 15:13:29 +00:00
x509.asn1 X.509: Add bits needed for PKCS#7 2014-07-01 16:40:19 +01:00