diff options
| author | Andy Polyakov <appro@openssl.org> | 2016-11-06 18:33:17 +0100 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2016-11-10 10:35:50 +0000 |
| commit | 2a7dd548a6f5d6f7f84a89c98323b70a2822406e (patch) | |
| tree | 3bb5843242fc9b2b071329e027d74f81ab2e70d7 | |
| parent | 9ebcbbba81eba52282df9ad8902f047e2d501f51 (diff) | |
bn/asm/x86_64-mont.pl: fix for CVE-2016-7055 (Low severity).
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 2fac86d9abeaa643677d1ffd0a139239fdf9406a)
| -rwxr-xr-x | crypto/bn/asm/x86_64-mont.pl | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/crypto/bn/asm/x86_64-mont.pl b/crypto/bn/asm/x86_64-mont.pl index 0451fef12e..df4cca5bfe 100755 --- a/crypto/bn/asm/x86_64-mont.pl +++ b/crypto/bn/asm/x86_64-mont.pl @@ -1157,18 +1157,17 @@ $code.=<<___; mulx 2*8($aptr),%r15,%r13 # ... adox -3*8($tptr),%r11 adcx %r15,%r12 - adox $zero,%r12 + adox -2*8($tptr),%r12 adcx $zero,%r13 + adox $zero,%r13 mov $bptr,8(%rsp) # off-load &b[i] - .byte 0x67 mov $mi,%r15 imulq 24(%rsp),$mi # "t[0]"*n0 xor %ebp,%ebp # xor $zero,$zero # cf=0, of=0 mulx 3*8($aptr),%rax,%r14 mov $mi,%rdx - adox -2*8($tptr),%r12 adcx %rax,%r13 adox -1*8($tptr),%r13 adcx $zero,%r14 |