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View gist:9515778
import twisted.trial.unittest
import obfsproxy.common.ctr_drbg as ctr_drbg
import binascii
import math
import struct
class testCtrDrbg_NIST(twisted.trial.unittest.TestCase):
"""
@Yawning
Yawning / gist:4cca041c456ccf113700
Created Dec 23, 2014
Don't use GMPY rand for key generation, ever.
View gist:4cca041c456ccf113700
#!/usr/bin/env python2
# Extract the "improved" key generation code from cryptowrapper.py
# and tunnelcrypto.py, as of: a623e25e10e5e96ea1d5b85853b23bea00ee439f
from gmpy import mpz, rand
DIFFIE_HELLMAN_MODULUS = mpz(0xFFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF)
rand('init', 128)
@Yawning
Yawning / gist:fda95db37092669958b1
Last active Aug 29, 2015
Simple helper that checks if Linux filesystem capabilites() are set without using external libraries.
View gist:fda95db37092669958b1
#include <sys/types.h>
#include <sys/xattr.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
/*
* A quick and dirty test to see if a given file has any Linux capabilities
* set.
View 0001-squash-Fixup-handle_control_hspost.patch
From 6d23b7b45581a218cf1fdfd9ef580f3c628ffdbe Mon Sep 17 00:00:00 2001
From: Yawning Angel <yawning@schwanenlied.me>
Date: Fri, 27 Mar 2015 14:15:57 +0000
Subject: [PATCH 1/1] (squash) Fixup handle_control_hspost().
* Use C99 to bring variable declarations closer to where they are
allocated/initialized.
* Don't leak a smartlist_t (args was initialized, and getargs_helper()
trampled over it).
* Don't leak a rend_encoded_v2_service_descriptor_t when the descriptor
View gist:b6d46ea48fa6c186303c
diff --git a/xio-openssl.c b/xio-openssl.c
index 665430d..b7e95c1 100644
--- a/xio-openssl.c
+++ b/xio-openssl.c
@@ -912,20 +912,27 @@ int
}
{
- static unsigned char dh1024_p[] = {
- 0xCC,0x17,0xF2,0xDC,0x96,0xDF,0x59,0xA4,0x46,0xC5,0x3E,0x0E,
@Yawning
Yawning / gist:330f55df5638577dd5cd
Created Jul 10, 2014
gpg2 patch to support RSA keys > 16384 bits
View gist:330f55df5638577dd5cd
diff -uNr gnupg-2.0.22/g10/gpg.c gnupg-2.0.22-large-keys/g10/gpg.c
--- gnupg-2.0.22/g10/gpg.c 2013-10-04 12:32:53.000000000 +0000
+++ gnupg-2.0.22-large-keys/g10/gpg.c 2013-10-26 22:14:18.933010862 +0000
@@ -2050,7 +2050,7 @@
#endif
/* Initialize the secure memory. */
- if (!gcry_control (GCRYCTL_INIT_SECMEM, 32768, 0))
+ if (!gcry_control (GCRYCTL_INIT_SECMEM, 131072, 0))
got_secmem = 1;
View keybase.md

Keybase proof

I hereby claim:

  • I am yawning on github.
  • I am yawninglol (https://keybase.io/yawninglol) on keybase.
  • I have a public key whose fingerprint is 9EB1 A490 C73C C5D4 4DFB 3E47 BFBD 1C7B 8A6E C81A

To claim this, I am signing this object:

@Yawning
Yawning / gist:2829f9adf889f1334005
Created Jan 2, 2015
gettimeofday() benchmark.
View gist:2829f9adf889f1334005
#include <stdint.h>
#include <stdio.h>
#include <time.h>
#include <sys/time.h>
#include <assert.h>
#define ITERS 1000000000
static uint64_t gettime(void) {
struct timespec ts;
View gist:e2b52d373b21278e34dd00c7a04ac900
#! /bin/sh -e
# Uncomment to load custom ACPI table
GRUB_CUSTOM_ACPI="/boot/dsdt.aml"
# DON'T MODIFY ANYTHING BELOW THIS LINE!
prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
View 0001-BSD-OSX-portability-fixes.patch
From 117b56d5315287bb15948f448229431101d48380 Mon Sep 17 00:00:00 2001
From: Yawning Angel <yawning@schwanenlied.me>
Date: Mon, 19 Nov 2018 22:52:41 +0000
Subject: [PATCH] BSD: OSX portability fixes
* RFC 3542 constants require `__APPLE_USE_RFC_3542` to be defined.
* TCP MD5 signatures are not supported by the kernel at all.
---
sysdep/bsd/sysio.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)