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#include <fstream>
#include <sstream>
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
#include "crypt_chain.h"
#include "exceptions.h"
using std::string;
using std::ofstream;
using std::ifstream;
using std::stringstream;
using std::cout;
static void command (char const * c)
{
int const r = system (c);
if (WEXITSTATUS (r)) {
stringstream s;
s << "error in " << c << "\n";
throw libdcp::MiscError (s.str());
}
}
void
libdcp::make_crypt_chain (string directory)
{
boost::filesystem::current_path (directory);
command ("openssl genrsa -out ca.key 2048");
{
ofstream f ("ca.cnf");
f << "[ req ]\n"
<< "distinguished_name = req_distinguished_name\n"
<< "x509_extensions = v3_ca\n"
<< "[ v3_ca ]\n"
<< "basicConstraints = critical,CA:true,pathlen:3\n"
<< "keyUsage = keyCertSign,cRLSign\n"
<< "subjectKeyIdentifier = hash\n"
<< "authorityKeyIdentifier = keyid:always,issuer:always\n"
<< "[ req_distinguished_name ]\n"
<< "O = Unique organization name\n"
<< "OU = Organization unit\n"
<< "CN = Entity and dnQualifier\n";
}
command ("openssl rsa -outform PEM -pubout -in ca.key | openssl base64 -d | dd bs=1 skip=24 2>/dev/null | openssl sha1 -binary | openssl base64 > ca_dnq");
string ca_dnq;
{
ifstream f ("ca_dnq");
getline (f, ca_dnq);
/* XXX: is this right? */
boost::replace_all (ca_dnq, "/", "\\\\/");
}
string const ca_subject = "/O=example.org/OU=example.org/CN=.smpte-430-2.ROOT.NOT_FOR_PRODUCTION/dnQualifier=" + ca_dnq;
{
stringstream c;
c << "openssl req -new -x509 -sha256 -config ca.cnf -days 3650 -set_serial 5 -subj " << ca_subject << " -key ca.key -outform PEM -out ca.self-signed.pem";
command (c.str().c_str());
}
command ("openssl genrsa -out intermediate.key 2048");
{
ofstream f ("intermediate.cnf");
f << "[ default ]\n"
<< "distinguished_name = req_distinguished_name\n"
<< "x509_extensions = v3_ca\n"
<< "[ v3_ca ]\n"
<< "basicConstraints = critical,CA:true,pathlen:2\n"
<< "keyUsage = keyCertSign,cRLSign\n"
<< "subjectKeyIdentifier = hash\n"
<< "authorityKeyIdentifier = keyid:always,issuer:always\n"
<< "[ req_distinguished_name ]\n"
<< "O = Unique organization name\n"
<< "OU = Organization unit\n"
<< "CN = Entity and dnQualifier\n";
}
command ("openssl rsa -outform PEM -pubout -in intermediate.key | openssl base64 -d | dd bs=1 skip=24 2>/dev/null | openssl sha1 -binary | openssl base64 > inter_dnq");
string inter_dnq;
{
ifstream f ("inter_dnq");
getline (f, inter_dnq);
boost::replace_all (inter_dnq, "/", "\\\\/");
}
string const inter_subject = "/O=example.org/OU=example.org/CN=.smpte-430-2.INTERMEDIATE.NOT_FOR_PRODUCTION/dnQualifier=" + inter_dnq;
{
stringstream s;
s << "openssl req -new -config intermediate.cnf -days 3649 -subj " << inter_subject << " -key intermediate.key -out intermediate.csr";
command (s.str().c_str());
}
command ("openssl x509 -req -sha256 -days 3649 -CA ca.self-signed.pem -CAkey ca.key -set_serial 6 -in intermediate.csr -extfile intermediate.cnf -extensions v3_ca -out intermediate.signed.pem");
command ("openssl genrsa -out leaf.key 2048");
{
ofstream f ("leaf.cnf");
f << "[ default ]\n"
<< "distinguished_name = req_distinguished_name\n"
<< "x509_extensions = v3_ca\n"
<< "[ v3_ca ]\n"
<< "basicConstraints = critical,CA:false\n"
<< "keyUsage = digitalSignature,keyEncipherment\n"
<< "subjectKeyIdentifier = hash\n"
<< "authorityKeyIdentifier = keyid,issuer:always\n"
<< "[ req_distinguished_name ]\n"
<< "O = Unique organization name\n"
<< "OU = Organization unit\n"
<< "CN = Entity and dnQualifier\n";
}
command ("openssl rsa -outform PEM -pubout -in leaf.key | openssl base64 -d | dd bs=1 skip=24 2>/dev/null | openssl sha1 -binary | openssl base64 > leaf_dnq");
string leaf_dnq;
{
ifstream f ("leaf_dnq");
getline (f, leaf_dnq);
boost::replace_all (leaf_dnq, "/", "\\\\/");
}
string const leaf_subject = "/O=example.org/OU=example.org/CN=CS.smpte-430-2.LEAF.NOT_FOR_PRODUCTION/dnQualifier=" + leaf_dnq;
{
stringstream s;
s << "openssl req -new -config leaf.cnf -days 3648 -subj " << leaf_subject << " -key leaf.key -outform PEM -out leaf.csr";
command (s.str().c_str());
}
command ("openssl x509 -req -sha256 -days 3648 -CA intermediate.signed.pem -CAkey intermediate.key -set_serial 7 -in leaf.csr -extfile leaf.cnf -extensions v3_ca -out leaf.signed.pem");
}
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