Commit Graph

8 Commits

Author SHA1 Message Date
Ingo Franzki e2f92e4079 zkey: Add keystore related commands
Add new commands to the zkey utility to store secure AES keys in
the secure key repository provided by the keystore implementation
introduced in the previous commit.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2018-05-07 13:42:03 +02:00
Ingo Franzki 5872f8a21b zkey: Externalize secure key back-end functions
To reduce the size of the zkey.c source file, all routines that
deal with secure keys are moved to a new source file pkey.c.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
2018-05-07 13:42:03 +02:00
Hendrik Brueckner 5ba519973f zkey: rename abrev_len -> abbrev_len
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-31 17:41:15 +02:00
Hendrik Brueckner 18f1730b92 zkey: correctly detect abbreviated commands
Abbreviated commands are not recognized and zkey issues an invalid
command error.

In is_command(), the abbreviated command string is copied into the
command_str variable.  Because this variable is not initialized and,
thus, might contain arbitrary data, a NUL-terminated is not guaranteed.
The following string comparison is very likely to fail.  Correct this
problem by comparing up to the length of the command string only.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-31 17:41:15 +02:00
Ingo Franzki 2e8ad91d3d zkey: validate XTS key: ignore domain and card
When validating an XTS key, the 2 key parts are validated separately.
This can happen on different crypto cards, when more than one crypto
card is available to the system. Each key part can be validated on
a different card, however, the 2 cards need to have the same master
key, thus the master key validation pattern contained in the 2 key
parts are checked.

Signed-off-by: Ingo Franzki <ifranzki@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-22 19:24:48 +02:00
Hendrik Brueckner b4714e6113 zkey: use octal values instead of S_IRWX* constants
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-21 12:36:33 +02:00
Hendrik Brueckner fe0b2d96f7 zkey: properly set umask to prohibit permissions to group and others
Set the umask for the zkey process to clear permissions for genernated
secure key files for group and others.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-21 12:36:33 +02:00
Michael Holzheu b627b8d8e1 Initial s390-tools-2.0.0 import
This commit is based on the s390-tools-1.39.0 version.

Changes on top of s390-tools-1.39.0:

 - Add MIT license to all source files
 - Add LICENSE file
 - Transform REAMDE to README.md (markdown)
 - Add AUTHORS.md file
 - Add CONTRIBUTING.md file
 - Move changelog from README to CHANGELOG.md file

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
2017-08-21 10:55:40 +02:00