AGWA

/*
 * Demonstrates that LibreSSL's PRNG is not fork-safe on Linux.
 * See https://www.agwa.name/blog/post/libressls_prng_is_unsafe_on_linux
 * This code is in the public domain.
 */

#include <openssl/rand.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

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// Migrate an old-style git-crypt revamp branch key to a new-style git-crypt revamp branch key.
// Reads old key from stdin and writes new key to stdout.
// Compile with: c++ -o migrate-revamp-key migrate-revamp-key.cpp

#include <iostream>
#include <cstdlib>
#include <cstring>

static void grab (char* p, std::streamsize len)
{

AGWA

// This is C++11-only because it assumes that std::strings can
// be accessed and mutated as a contiguous sequence of chars.
std::string	sys::readlink (const char* pathname)
{
	std::string		buffer(64, '\0');
	ssize_t			len;

	while ((len = ::readlink(pathname, &buffer[0], buffer.size())) == static_cast<ssize_t>(buffer.size())) {
		// buffer may have been truncated - grow and try again
		buffer.resize(buffer.size() * 2);

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#!/bin/sh

#
# openssl-rekey -- generate a new key and CSR for each of the certificate
#                  files specified on the command line.  Submit the new
#                  CSRs to your certificate authority for a free reissue.
#                  Useful for rekeying after a compromise such as Heartbleed.
#
# See https://www.agwa.name/blog/post/responding_to_heartbleed_a_script_to_regenerate_ssl_certs_en_masse
#

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#!/bin/sh

# Enable and disable HDMI output on the Raspberry Pi

is_off ()
{
	tvservice -s | grep "TV is off" >/dev/null
}

case $1 in