- Confidentiality
- Resources should be protected from unauthorized access
- Prioritized by governments
- Concepts
- Sensitivity
- How harmful is disclosure
- Sensitivity
- Discretion
Benshan Mei mbs0221
🏠
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| #include <sys/time.h> | |
| #include <sys/resource.h> | |
| #include <time.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| #define ONE_SECOND 1000000000L | |
| #define ONE_MS 1000000L |
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| // copied from https://github.com/gkaindl/meltdown-poc/blob/master/meltdown.c | |
| // flush_reload from https://github.com/defuse/flush-reload-attacks | |
| // TSX from https://github.com/andikleen/tsx-tools | |
| // dump_hex from https://gist.github.com/ccbrown/9722406 | |
| #include <stdio.h> | |
| #include <stdint.h> | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| #include <errno.h> |
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <stdint.h> | |
| #ifdef _MSC_VER | |
| #include <intrin.h> /* for rdtscp and clflush */ | |
| #pragma optimize("gt",on) | |
| #else | |
| #include <x86intrin.h> /* for rdtscp and clflush */ | |
| #endif |
richinseattle
/ fastdecode.c
Created
November 22, 2017 00:46
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| /* Simple PT dumper */ | |
| /* | |
| * Copyright (c) 2015, Intel Corporation | |
| * Author: Andi Kleen | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are met: | |
| * | |
| * 1. Redistributions of source code must retain the above copyright notice, |
liyang85105
/ print_macro.cc
Created
August 15, 2017 03:14
print macro(#define macro ...)'s value when using gcc/g++
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| /* Some test definition here */ | |
| #define DEFINED_BUT_NO_VALUE | |
| #define DEFINED_INT 3 | |
| #define DEFINED_STR "ABC" | |
| /* definition to expand macro then apply to pragma message */ | |
| #define VALUE_TO_STRING(x) #x | |
| #define VALUE(x) VALUE_TO_STRING(x) | |
| #define VAR_NAME_VALUE(var) #var "=" VALUE(var) |
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| /* | |
| * Hook main() using LD_PRELOAD, because why not? | |
| * Obviously, this code is not portable. Use at your own risk. | |
| * | |
| * Compile using 'gcc hax.c -o hax.so -fPIC -shared -ldl' | |
| * Then run your program as 'LD_PRELOAD=$PWD/hax.so ./a.out' | |
| */ | |
| #define _GNU_SOURCE | |
| #include <stdio.h> |
pkhuong
/ result.txt
Last active
September 5, 2023 16:42
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| % perf stat ./tsx_per_core | |
| Aborts: 73381 | |
| No reason: 57535 | |
| reason 0: 0 | |
| reason 1: 15833 | |
| reason 2: 15833 | |
| reason 3: 13 | |
| reason 4: 0 | |
| reason 5: 0 | |
| 81597398 68933303 85476712 72654716 76819140 72119787 77728188 74167801 75244800 72119632 75951739 72606078 74035109 70998737 89185152 58165171 86098994 83338241 88201758 81982602 77964219 77861602 75642915 79207346 73514808 79929374 74429694 71508632 0 0 0 0 |
george-hawkins
/ arm64.md
Last active
May 27, 2025 15:47
Running virtualized x86_64 and emulated arm64 Ubuntu cloud images using QEMU
This is basically a rehash of an original post on CNXSoft - all credit (particularly for the Virtio device arguments used below) belongs to the author of that piece.
Download the latest uefi1.img image. E.g. ubuntu-16.04-server-cloudimg-arm64-uefi1.img from https://cloud-images.ubuntu.com/releases/16.04/release/
Download the UEFI firmware image QEMU_EFI.fd from https://releases.linaro.org/components/kernel/uefi-linaro/latest/release/qemu64/
Determine your current username and get your current ssh public key:
baishibona
/ matlab activation
Created
August 5, 2016 18:27
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| Activation Key: 54703-98224-69173-57729-64687 | |
| File Installation Key: 60915-54893-59227-06046-00879-23758-40953-46389-00580-22272-43569-01202-13854 |