diff options
| author | Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com> | 2015-09-04 09:57:24 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-10-14 14:31:59 +0200 |
| commit | 1330a1258dc20caa5961b07aa62482793d6f2ecf (patch) | |
| tree | dddc2a4438dc63b69ab1aad5d411032b4a206f5a /drivers/s390/crypto/zcrypt_msgtype50.c | |
| parent | b02064a9b8134e1aac4e891abf72139ca0b126ee (diff) | |
s390/zcrypt: enable odd RSA modulus sizes in CRT format
In the past only even modulus sizes were allowed for RSA keys in
CRT format. This restriction was based on limited RSA key generation
on older crypto adapters that provides only even modulus sizes. This
restriction is not valid any more.
Revoke restrictions that crypto requests can be serviced with odd
RSA modulus length in CRT format.
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_msgtype50.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_msgtype50.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index 334e282f255b..6c9af1332967 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -248,7 +248,7 @@ static int ICACRT_msg_to_type50CRT_msg(struct zcrypt_device *zdev, unsigned char *p, *q, *dp, *dq, *u, *inp; mod_len = crt->inputdatalength; - short_len = mod_len / 2; + short_len = (mod_len + 1) / 2; /* * CEX2A and CEX3A w/o FW update can handle requests up to |