diff options
author | Harald Freudenberger <freude@linux.vnet.ibm.com> | 2017-10-06 11:31:43 +0200 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-10-23 09:07:13 +0200 |
commit | 0acb1665aa9929e5334bc7359ee3cecb6ece3604 (patch) | |
tree | 7cf8065e78eeceaae6ead864bcbeaba1f75fcabc /drivers/s390/crypto | |
parent | s390/zcrypt: CEX6S exploitation (diff) | |
download | linux-0acb1665aa9929e5334bc7359ee3cecb6ece3604.tar.xz linux-0acb1665aa9929e5334bc7359ee3cecb6ece3604.zip |
s390/zcrypt: Enable special header file flag for AU CPRP
With the CEX6 there is a new CPRB (subfunction AU) used
to generate protected keys from secure keys. This new
CPRB needs to have the special flag set in the queue
message header struct which is introduced with this fix.
Signed-off-by: Harald Freudenberger <freude@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto')
-rw-r--r-- | drivers/s390/crypto/zcrypt_msgtype6.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index afd20cee7ea0..785620d30504 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -474,7 +474,8 @@ static int XCRB_msg_to_type6CPRB_msgX(struct ap_message *ap_msg, *fcode = (msg->hdr.function_code[0] << 8) | msg->hdr.function_code[1]; *dom = (unsigned short *)&msg->cprbx.domain; - if (memcmp(function_code, "US", 2) == 0) + if (memcmp(function_code, "US", 2) == 0 + || memcmp(function_code, "AU", 2) == 0) ap_msg->special = 1; else ap_msg->special = 0; |