diff options
Diffstat (limited to 'crypto/aes')
| -rw-r--r-- | crypto/aes/asm/aes-s390x.pl | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/crypto/aes/asm/aes-s390x.pl b/crypto/aes/asm/aes-s390x.pl index ca575f18da..804986ccce 100644 --- a/crypto/aes/asm/aes-s390x.pl +++ b/crypto/aes/asm/aes-s390x.pl @@ -813,7 +813,7 @@ _s390x_AES_set_encrypt_key: .Lproceed: ___ $code.=<<___ if (!$softonly); - # convert bits to km code, [128,192,256]->[18,19,20] + # convert bits to km(c) code, [128,192,256]->[18,19,20] lhi %r5,-128 lhi %r0,18 ar %r5,$bits @@ -821,13 +821,10 @@ $code.=<<___ if (!$softonly); ar %r5,%r0 larl %r1,OPENSSL_s390xcap_P - lg %r0,0(%r1) - tmhl %r0,0x4000 # check for message-security assist - jz .Lekey_internal - llihh %r0,0x8000 srlg %r0,%r0,0(%r5) - ng %r0,48(%r1) # check kmc capability vector + ng %r0,32(%r1) # check availability of both km... + ng %r0,48(%r1) # ...and kmc support for given key length jz .Lekey_internal lmg %r0,%r1,0($inp) # just copy 128 bits... @@ -842,7 +839,7 @@ $code.=<<___ if (!$softonly); stg %r1,24($key) 1: st $bits,236($key) # save bits [for debugging purposes] lgr $t0,%r5 - st %r5,240($key) # save km code + st %r5,240($key) # save km(c) code lghi %r2,0 br %r14 ___ @@ -1440,11 +1437,6 @@ $code.=<<___ if (!$softonly); .Lctr32_hw_switch: ___ $code.=<<___ if (!$softonly && 0);# kmctr code was measured to be ~12% slower - larl $s0,OPENSSL_s390xcap_P - lg $s0,8($s0) - tmhh $s0,0x0004 # check for message_security-assist-4 - jz .Lctr32_km_loop - llgfr $s0,%r0 lgr $s1,%r1 larl %r1,OPENSSL_s390xcap_P |