Documentation/crypto/asymmetric-keys.rst

4 Asymmetric / Public-key Cryptography Key Type
11   - Accessing asymmetric keys.
13   - Asymmetric key subtypes.
21 The "asymmetric" key type is designed to be a container for the keys used in
25 The asymmetric key is given a subtype that defines what sort of data is
33 operations using that key.  In such a case, the asymmetric key would then
56 The asymmetric key type's match function can then perform a wider range of
64 	keyctl search @s asymmetric id:5acc2142
75 	keyctl search @s asymmetric tpm:5acc2142
80 	1a39e171 I-----     1 perm 3f010000     0     0 asymmetric modsign.0: DSA 5acc2142 []
83 Accessing Asymmetric Keys
86 For general access to asymmetric keys from within the kernel, the following
91 This gives access to functions for dealing with asymmetric / public keys.
123 an asymmetric key to provide or to provide access to the public key::
161 Asymmetric Key Subtypes
164 Asymmetric keys have a subtype that defines the set of operations that can be
169 the data required for it.  The asymmetric key retains a reference on the
174 	#include <keys/asymmetric-subtype.h>
192 Asymmetric keys point to this with their payload[asym_subtype] member.
209      asymmetric key will look after freeing the fingerprint and releasing the
232 The asymmetric key type doesn't generally want to store or to deal with a raw
255 	#include <keys/asymmetric-parser.h>
366      specified directly by providing a serial number for one asymmetric key, or
380 	keyctl padd asymmetric "" $root_id < root1.cert
381 	keyctl padd asymmetric "" $root_id < root2.cert
385 	keyctl restrict_keyring $chain_id asymmetric key_or_keyring:$root_id:chain
389 	keyctl padd asymmetric "" $chain_id < intermediateA.cert
390 	keyctl padd asymmetric "" $chain_id < intermediateB.cert
391 	keyctl padd asymmetric "" $chain_id < end-entity.cert
402 	keyctl padd asymmetric "" $chain2_id < root1.cert
406 	keyctl restrict_keyring $chain2_id asymmetric key_or_keyring:0:chain
410 	keyctl padd asymmetric "" $chain2_id < intermediateA.cert
411 	keyctl padd asymmetric "" $chain2_id < intermediateB.cert
412 	keyctl padd asymmetric "" $chain2_id < end-entity.cert