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Diffstat (limited to 'Documentation/security/keys/core.rst')
| -rw-r--r-- | Documentation/security/keys/core.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/security/keys/core.rst b/Documentation/security/keys/core.rst index d9b0b859018b..9367d0fe4a02 100644 --- a/Documentation/security/keys/core.rst +++ b/Documentation/security/keys/core.rst @@ -920,10 +920,14 @@ The keyctl syscall functions are: long keyctl(KEYCTL_PKEY_QUERY, key_serial_t key_id, unsigned long reserved, + const char *params, struct keyctl_pkey_query *info); - Get information about an asymmetric key. The information is returned in - the keyctl_pkey_query struct:: + Get information about an asymmetric key. Specific algorithms and + encodings may be queried by using the ``params`` argument. This is a + string containing a space- or tab-separated string of key-value pairs. + Currently supported keys include ``enc`` and ``hash``. The information + is returned in the keyctl_pkey_query struct:: __u32 supported_ops; __u32 key_size; |