libraries/libpcscxx
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auxiliaries are now in cryptaux.hxx; some get methods for openssl::X509

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This commit is contained in:
Marc Wäckerlin
2009-09-21 07:43:32 +00:00
parent 5c60773269
commit d3793f30a2
7 changed files with 151 additions and 69 deletions
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6
doc/examples/cryptoki-demo.cxx
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@@ -39,7 +39,7 @@ int main(int argc, char const*const*const argv) try {
<<"label: \""<<info.label<<'"'<<std::endl
<<"manufacturerID: \""<<info.manufacturerID<<'"'<<std::endl
<<"model: \""<<info.model<<'"'<<std::endl
<<"serialNumber: \""<<cryptoki::readable(info.serialNumber)
<<"serialNumber: \""<<crypto::readable(info.serialNumber)
<<'"'<<std::endl
<<"flags: \""<<info.flags<<'"'<<std::endl
<<"maxSessionCount: \""<<info.maxSessionCount<<'"'<<std::endl
@@ -57,7 +57,7 @@ int main(int argc, char const*const*const argv) try {
<<'.'<<(int)info.hardwareVersion.minor<<'"'<<std::endl
<<"firmwareVersion: \""<<(int)info.firmwareVersion.major
<<'.'<<(int)info.firmwareVersion.minor<<'"'<<std::endl
<<"utcTime: \""<<cryptoki::readable(info.utcTime)
<<"utcTime: \""<<crypto::readable(info.utcTime)
<<'"'<<std::endl;
cryptoki::MechanismList mechs(it->mechanismlist());
for (cryptoki::MechanismList::iterator it2(mechs.begin());
@@ -80,7 +80,7 @@ int main(int argc, char const*const*const argv) try {
for (cryptoki::AttributeMap::iterator it(attrs.begin());
it!=attrs.end(); ++it) {
std::cout<<" - attribute: "<<it->second.name()<<"=\""
<<cryptoki::readable(it->second.value)<<'"'<<std::endl;
<<crypto::readable(it->second.value)<<'"'<<std::endl;
}
}
std::cout<<"**** Success"<<std::endl;

64
src/cryptaux.hxx Normal file
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@@ -0,0 +1,64 @@
/*! @file
@id $Id$
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
#ifndef __CRYPTAUX_HXX__
#define __CRYPTAUX_HXX__
#include <string>
#include <sstream>
#include <iomanip>
/*! @defgroup gcrypto Auxiliary Crypto-Functions */
//@{
//! @see gcrypto
namespace crypto {
static const std::string LETTER_CHARS
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
static const std::string NUMBER_CHARS
("0123456789");
//! Contains @c @ in addition to standard characters.
static const std::string GRAFIC_CHARS
("!\"#%&'()*+,-./:;<=>?[\\]^_{|}~@");
static const std::string BLANK_CHARS
(" ");
static const std::string VALID_CHARS
(LETTER_CHARS+NUMBER_CHARS+GRAFIC_CHARS+BLANK_CHARS);
inline std::string hex(const std::string& data,
std::string::size_type len=20) {
std::stringstream res;
std::string::size_type pos(0);
for (std::string::const_iterator it(data.begin()); it!=data.end(); ++it) {
res<<std::hex<<std::setfill('0')<<std::setw(2)
<<(unsigned int)(unsigned char)*it;
++pos;
if (pos%len==0 || pos==data.size()) {
res<<std::string(2*(len-(pos-1)%len), ' ');
for (std::string::size_type i(pos-(pos-1)%len-1); i<pos; ++i)
res<<(VALID_CHARS.find(data[i])==std::string::npos?'.':data[i]);
if (pos!=data.size()) res<<std::endl;
}
}
return res.str();
}
inline std::string readable(const std::string& data,
std::string::size_type len=20) {
if (!data.size())
return "<empty>";
else if (data.find_first_not_of(VALID_CHARS)<data.size())
return hex(data);
else
return "\""+data+"\"";
}
}
//@}
#endif

13
src/cryptoki.cxx
View File

@@ -240,15 +240,24 @@ namespace cryptoki {
}
//----------------------------------------------------------------------------
Object Session::createCertificate(const std::string& derSubject,
const std::string& desValue) {
Object Session::create(const openssl::X509& cert) {
AttributeList attrs;
/*
attrs.push_back(Attribute(CKA_CLASS)
.from<CK_OBJECT_CLASS>(CKO_CERTIFICATE));
attrs.push_back(Attribute(CKA_CERTIFICATE_TYPE)
.from<CK_CERTIFICATE_TYPE>(CKC_X_509));
attrs.push_back(Attribute(CKA_SUBJECT, derSubject));
attrs.push_back(Attribute(CKA_VALUE, desValue));
*/
return create(attrs);
}
Object Session::create(const openssl::PrivateKey& key) {
AttributeList attrs;
return create(attrs);
}
Object Session::create(const openssl::PKCS12& p12) {
AttributeList attrs;
return create(attrs);
}

51
src/cryptoki.hxx
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@@ -8,6 +8,7 @@
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
// interface
#include <openssl.hxx>
#include <pkcs11/apiclient.h>
#include <string>
#include <vector>
@@ -20,6 +21,7 @@
#include <cstring> // memset
#include <iomanip>
#include <memory>
#include <cryptaux.hxx>
#include <iostream> // debug
@@ -45,46 +47,6 @@ namespace cryptoki {
//! @addtogroup cryptokitypes
//@{
static const std::string LETTER_CHARS
("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
static const std::string NUMBER_CHARS
("0123456789");
//! Contains @c @ in addition to standard characters.
static const std::string GRAFIC_CHARS
("!\"#%&'()*+,-./:;<=>?[\\]^_{|}~@");
static const std::string BLANK_CHARS
(" ");
static const std::string VALID_CHARS
(LETTER_CHARS+NUMBER_CHARS+GRAFIC_CHARS+BLANK_CHARS);
inline std::string hex(const std::string& data,
std::string::size_type len=20) {
std::stringstream res;
std::string::size_type pos(0);
for (std::string::const_iterator it(data.begin()); it!=data.end(); ++it) {
res<<std::hex<<std::setfill('0')<<std::setw(2)
<<(unsigned int)(unsigned char)*it;
++pos;
if (pos%len==0 || pos==data.size()) {
res<<std::string(2*(len-(pos-1)%len), ' ');
for (std::string::size_type i(pos-(pos-1)%len-1); i<pos; ++i)
res<<(VALID_CHARS.find(data[i])==std::string::npos?'.':data[i]);
if (pos!=data.size()) res<<std::endl;
}
}
return res.str();
}
inline std::string readable(const std::string& data,
std::string::size_type len=20) {
if (!data.size())
return "<empty>";
else if (data.find_first_not_of(VALID_CHARS)<data.size())
return hex(data);
else
return "\""+data+"\"";
}
inline std::string string(CK_ULONG num) {
switch (num) {
@@ -256,7 +218,7 @@ namespace cryptoki {
case CKO_VENDOR_DEFINED: return "VENDOR_DEFINED";
default: "unknown";
}
default: return readable(value);
default: return crypto::readable(value);
}
}
template<typename TYPE> Attribute from(const TYPE& v) {
@@ -904,8 +866,11 @@ namespace cryptoki {
ObjectList find(const AttributeList& attrs=AttributeList());
//! Create a new Certificate Object.
Object createCertificate(const std::string& derSubject,
const std::string& desValue);
Object create(const openssl::X509& cert);
//! Create a new PrivateKey Object.
Object create(const openssl::PrivateKey& key);
//! Create a new Certificate and optional PrivateKey Object.
Object create(const openssl::PKCS12& p12);
//@}

2
src/makefile.am
View File

@@ -5,7 +5,7 @@
## 1 2 3 4 5 6 7 8
## 45678901234567890123456789012345678901234567890123456789012345678901234567890
include_HEADERS = pcsc.hxx cryptoki.hxx openssl.hxx
include_HEADERS = pcsc.hxx cryptoki.hxx openssl.hxx cryptaux.hxx
pkcs11_HEADERS = pkcs11/pkcs11.h pkcs11/pkcs11types.h pkcs11/apiclient.h
pkcs11dir = ${includedir}/pkcs11

64
src/openssl.hxx
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@@ -10,10 +10,12 @@
#include <openssl/pkcs12.h>
#include <openssl/x509.h>
#include "openssl/bio.h"
#include "openssl/ssl.h"
#include <openssl/err.h>
#include <vector>
#include <cryptaux.hxx>
#include <cstdio>
/*! @defgroup gopenssl C++ Wrapper around OpenSSL API */
@@ -85,6 +87,13 @@ namespace openssl {
}
};
//----------------------------------------------------------------------------
class x509_decoding_failed: public x509_error {
public:
x509_decoding_failed(const std::string& der) throw():
x509_error("certificate decoding failed:\n"+crypto::readable(der)) {
}
};
//----------------------------------------------------------------------------
class undefined_certificate: public x509_error {
public:
undefined_certificate() throw():
@@ -199,6 +208,13 @@ namespace openssl {
X509(): _x509(X509_new()) {
if (!_x509) throw allocation_failed();
}
//! Initialize from DER encoded cerificate.
X509(const std::string& der): _x509(0) {
const unsigned char* c((const unsigned char*)der.begin().operator->());
if (!(_x509=d2i_X509(0, &c, der.size())) ||
(const char*)c!=der.begin().operator->()+der.size())
throw x509_decoding_failed(der);
}
X509(const X509& o): _x509(0) {
unsigned char* d(0);
int len(i2d_X509(o._x509, &d));
@@ -222,18 +238,58 @@ namespace openssl {
int len(i2d_X509(o._x509, &d));
if (!len) throw x509_copy_failed();
const unsigned char* d2(d);
free(d);
_x509 = d2i_X509(0, &d2, len);
OPENSSL_free(d);
if (!_x509) throw x509_copy_failed();
}
//! Get DER encoded subject.
std::string subjectDER() const {
char* c(0);
unsigned char* c(0);
int len(i2d_X509_NAME(X509_get_subject_name(_x509), &c));
std::String res(c, len);
std::string res((char*)c, len);
OPENSSL_free(c);
return res;
}
//! Get DER encoded issuer.
std::string issuerDER() const {
unsigned char* c(0);
int len(i2d_X509_NAME(X509_get_issuer_name(_x509), &c));
std::string res((char*)c, len);
OPENSSL_free(c);
return res;
}
//! Get DER encoded value.
std::string valueDER() const {
unsigned char* c(0);
int len(i2d_X509(_x509, &c));
std::string res((char*)c, len);
OPENSSL_free(c);
return res;
}
//! Get serial number.
std::string serial() const {
/* @bug http://albistechnologies.com reports: «could be a
failure in openSSL: len too short by 1 if serial number
starts with 00 ASN1_INTEGER* ser =
X509_get_serialNumber(_x509);» */
ASN1_INTEGER* ser(X509_get_serialNumber(_x509));
//! @todo requires memory free?
/*! @todo ser->type?!? http://albistechnologies.com prepends
tag and length in the first two char-fields. */
return std::string((char*)ser->data, ser->length);
}
//! Get id.
std::string id() const {
unsigned char c[SHA_DIGEST_LENGTH];
SHA1(_x509->cert_info->key->public_key->data,
_x509->cert_info->key->public_key->length,
c);
return std::string((char*)c, SHA_DIGEST_LENGTH);
}
//! Get label.
std::string label() const {
return std::string();
}
private:
::X509* _x509;
};

20
src/pcsc.hxx
View File

@@ -10,6 +10,8 @@
#ifndef PCSC_HXX
#define PCSC_HXX
#include <cryptaux.hxx>
#include <string>
#ifdef WIN32
@@ -68,25 +70,11 @@
best fits the common needs. */
//@{
/*! @defgroup pcsclib PCSC C++ Library */
/*! @defgroup pcsctypes PCSC Types and Auxiliary */
/*! @defgroup pcscexceptions PCSC Exceptions */
//! @see gpcsc
namespace pcsc {
//! @addtogroup pcsctypes
//@{
std::string hex(const std::string& data) {
std::stringstream res;
for (std::string::const_iterator it(data.begin()); it!=data.end(); ++it)
res<<std::hex<<std::setfill('0')<<std::setw(2)
<<(unsigned int)(unsigned char)*it;
return res.str();
}
//@}
//============================================================================
//! @addtogroup pcsclib
//@{
@@ -236,7 +224,7 @@ namespace pcsc {
check(SCardTransmit(_id, &rPci,
(unsigned char*)in.c_str(), in.size(),
0, buff, &len),
"smartcard transmit message "+hex(in));
"smartcard transmit message "+crypto::hex(in));
return std::string((char*)buff, len);
}
@@ -312,7 +300,7 @@ namespace pcsc {
check(SCardConnect(_connection._id, strconv(name).c_str(),
mode, protocol,
&_id, &_protocol),
"connect smartcard \""+name+"\" ("+hex(name)+")");
"connect smartcard \""+name+"\" ("+crypto::hex(name)+")");
}
//! forbidden