From: Ben Boeckel <mathstuf@xxxxxxxxx> This argument was just never documented in the first place. Signed-off-by: Ben Boeckel <mathstuf@xxxxxxxxx> --- Documentation/security/keys/core.rst | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/security/keys/core.rst b/Documentation/security/keys/core.rst index d9b0b859018b..c26b9e7d47c2 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; -- 2.25.4