Displaying 3 results from an estimated 3 matches for "stvx".
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stv
2011 Nov 30
2
[LLVMdev] Write-only intrinsics
...nly
intrinsics? Specifically, utils/TableGen/CodeGenIntrinsics.h contains:
// Memory mod/ref behavior of this intrinsic.
enum {
NoMem, ReadArgMem, ReadMem, ReadWriteArgMem, ReadWriteMem
} ModRef;
The problem with this seems to be that "store" instructions, like the
PPC STVX instruction, that are primarily defined by an intrinsic
(int_ppc_altivec_stvx for the STVX instruction) get tagged as "mayLoad"
even though they don't load anything. This is because the default
mod/ref tag for intrinsics is, for safely, ReadWriteMem, and TableGen
makes use of the intr...
2001 Oct 16
1
Defeating Timing Attacks Patch for OpenSSH 2.9.9p2 and 2.9p2
...fprintf(stderr, " -S Don't use stenographic timing
manipulation\n");
exit(1);
}
@@ -319,8 +346,9 @@
host = NULL;
again:
+ /* SD Mod: add s option to getopt() call */
while ((opt = getopt(ac, av,
- "1246ab:c:e:fgi:kl:m:no:p:qstvxACD:F:I:L:NPR:TVX")) != -1) {
+ "1246ab:c:e:fgi:kl:m:no:p:qstvxACD:F:I:L:NPR:STVX")) != -1)
{
switch (opt) {
case '1':
options.protocol = SSH_PROTO_1;
@@ -525,6 +553,14 @@
case 's':...
2001 Oct 06
1
Defeating Timing Attacks
Hello,
In response to the timing analysis attacks presented by Dawn Song et.
al. in her paper http://paris.cs.berkeley.edu/~dawnsong/ssh-timing.html
we
at Silicon Defense developed a patch for openssh to avoid such
measures.
Timing Analysis Evasion changes were developed by C. Jason Coit and Roel
Jonkman of Silicon Defense.
These changes cause SSH to send packets unless request not to,