Added Windows Cryptography API: Next Generation based backend

This commit is contained in:
Marc Hoersken 2014-03-16 02:00:17 +01:00 committed by Peter Stuge
parent 378d0a6676
commit 4440e05d48
6 changed files with 2151 additions and 0 deletions

2
Makefile.WinCNG.inc Normal file
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@ -0,0 +1,2 @@
CRYPTO_CSOURCES = wincng.c
CRYPTO_HHEADERS = wincng.h

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@ -89,6 +89,9 @@ AC_ARG_WITH(openssl,
AC_ARG_WITH(libgcrypt,
AC_HELP_STRING([--with-libgcrypt],[Use libgcrypt for crypto]),
use_libgcrypt=$withval,use_libgcrypt=auto)
AC_ARG_WITH(wincng,
AC_HELP_STRING([--with-wincng],[Use Windows CNG for crypto]),
use_wincng=$withval,use_wincng=auto)
AC_ARG_WITH(libz,
AC_HELP_STRING([--with-libz],[Use zlib for compression]),
use_libz=$withval,use_libz=auto)
@ -125,10 +128,37 @@ if test "$ac_cv_libgcrypt" = "yes"; then
fi
AM_CONDITIONAL(LIBGCRYPT, test "$ac_cv_libgcrypt" = "yes")
# Look for Windows Cryptography API: Next Generation
if test "$found_crypto" = "none" && test "$use_wincng" != "no"; then
AC_LIB_HAVE_LINKFLAGS([bcrypt], [], [
#include <windows.h>
#include <bcrypt.h>
])
AC_LIB_HAVE_LINKFLAGS([crypt32], [], [
#include <windows.h>
#include <wincrypt.h>
])
AC_CHECK_HEADERS([ntdef.h ntstatus.h], [], [], [
#include <windows.h>
])
fi
if test "$ac_cv_libbcrypt" = "yes"; then
AC_DEFINE(LIBSSH2_WINCNG, 1, [Use Windows CNG])
LIBSREQUIRED= # wincng doesn't provide a .pc file. sad face.
LIBS="$LIBS -lbcrypt"
if test "$ac_cv_libcrypt32" = "yes"; then
LIBS="$LIBS -lcrypt32"
fi
found_crypto="Windows Cryptography API: Next Generation"
fi
AM_CONDITIONAL(WINCNG, test "$ac_cv_libbcrypt" = "yes")
# Check if crypto library was found
if test "$found_crypto" = "none"; then
AC_MSG_ERROR([No crypto library found!
Try --with-libssl-prefix=PATH\
or --with-libgcrypt-prefix=PATH\
or --with-wincng on Windows\
])
fi

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@ -8,6 +8,9 @@ endif
if LIBGCRYPT
include ../Makefile.libgcrypt.inc
endif
if WINCNG
include ../Makefile.WinCNG.inc
endif
# Makefile.inc provides the CSOURCES and HHEADERS defines
include ../Makefile.inc

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@ -46,6 +46,10 @@
#include "libgcrypt.h"
#endif
#ifdef LIBSSH2_WINCNG
#include "wincng.h"
#endif
int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
const unsigned char *edata,
unsigned long elen,

1785
src/wincng.c Normal file

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327
src/wincng.h Normal file
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@ -0,0 +1,327 @@
/*
* Copyright (C) 2013 Marc Hoersken <info@marc-hoersken.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the copyright holder nor the names
* of any other contributors may be used to endorse or
* promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0600
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#ifdef HAVE_NTDEF_H
#include <ntdef.h>
#endif
#ifdef HAVE_NTSTATUS_H
#include <ntstatus.h>
#endif
#include <bcrypt.h>
#define LIBSSH2_MD5 1
#define LIBSSH2_HMAC_RIPEMD 0
#define LIBSSH2_AES 1
#define LIBSSH2_AES_CTR 0
#define LIBSSH2_BLOWFISH 0
#define LIBSSH2_RC4 1
#define LIBSSH2_CAST 0
#define LIBSSH2_3DES 1
#define LIBSSH2_RSA 1
#define LIBSSH2_DSA 1
#define MD5_DIGEST_LENGTH 16
#define SHA_DIGEST_LENGTH 20
/*******************************************************************/
/*
* Windows CNG backend: Global context handles
*/
struct _libssh2_wincng_ctx {
BCRYPT_ALG_HANDLE hAlgRNG;
BCRYPT_ALG_HANDLE hAlgHashMD5;
BCRYPT_ALG_HANDLE hAlgHashSHA1;
BCRYPT_ALG_HANDLE hAlgHmacMD5;
BCRYPT_ALG_HANDLE hAlgHmacSHA1;
BCRYPT_ALG_HANDLE hAlgRSA;
BCRYPT_ALG_HANDLE hAlgDSA;
BCRYPT_ALG_HANDLE hAlgAES_CBC;
BCRYPT_ALG_HANDLE hAlgRC4_NA;
BCRYPT_ALG_HANDLE hAlg3DES_CBC;
};
struct _libssh2_wincng_ctx _libssh2_wincng;
/*******************************************************************/
/*
* Windows CNG backend: Generic functions
*/
void _libssh2_wincng_init(void);
void _libssh2_wincng_free(void);
#define libssh2_crypto_init() \
_libssh2_wincng_init()
#define libssh2_crypto_exit() \
_libssh2_wincng_free()
#define _libssh2_random(buf, len) \
_libssh2_wincng_random(buf, len)
/*******************************************************************/
/*
* Windows CNG backend: Hash structure
*/
struct _libssh2_wincng_hash_ctx {
BCRYPT_HASH_HANDLE hHash;
unsigned char *pbHashObject;
unsigned long dwHashObject;
unsigned long cbHash;
};
#define _libssh2_wincng_hash_ctx struct _libssh2_wincng_hash_ctx
/*
* Windows CNG backend: Hash functions
*/
#define libssh2_sha1_ctx _libssh2_wincng_hash_ctx
#define libssh2_sha1_init(ctx) \
_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashSHA1, \
SHA_DIGEST_LENGTH, NULL, 0)
#define libssh2_sha1_update(ctx, data, datalen) \
_libssh2_wincng_hash_update(&ctx, data, datalen)
#define libssh2_sha1_final(ctx, hash) \
_libssh2_wincng_hash_final(&ctx, hash)
#define libssh2_sha1(data, datalen, hash) \
_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashSHA1, \
hash, SHA_DIGEST_LENGTH)
#define libssh2_md5_ctx _libssh2_wincng_hash_ctx
#define libssh2_md5_init(ctx) \
_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashMD5, \
MD5_DIGEST_LENGTH, NULL, 0)
#define libssh2_md5_update(ctx, data, datalen) \
_libssh2_wincng_hash_update(&ctx, data, datalen)
#define libssh2_md5_final(ctx, hash) \
_libssh2_wincng_hash_final(&ctx, hash)
#define libssh2_md5(data, datalen, hash) \
_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashMD5, \
hash, MD5_DIGEST_LENGTH)
/*
* Windows CNG backend: HMAC functions
*/
#define libssh2_hmac_ctx _libssh2_wincng_hash_ctx
#define libssh2_hmac_sha1_init(ctx, key, keylen) \
_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacSHA1, \
SHA_DIGEST_LENGTH, key, keylen)
#define libssh2_hmac_md5_init(ctx, key, keylen) \
_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacMD5, \
MD5_DIGEST_LENGTH, key, keylen)
#define libssh2_hmac_ripemd160_init(ctx, key, keylen)
/* not implemented */
#define libssh2_hmac_update(ctx, data, datalen) \
_libssh2_wincng_hash_update(&ctx, data, datalen)
#define libssh2_hmac_final(ctx, hash) \
_libssh2_wincng_hmac_final(&ctx, hash)
#define libssh2_hmac_cleanup(ctx) \
_libssh2_wincng_hmac_cleanup(ctx)
/*******************************************************************/
/*
* Windows CNG backend: Key Context structure
*/
struct _libssh2_wincng_key_ctx {
BCRYPT_KEY_HANDLE hKey;
unsigned char *pbKeyObject;
unsigned long cbKeyObject;
};
#define _libssh2_wincng_key_ctx struct _libssh2_wincng_key_ctx
/*
* Windows CNG backend: RSA functions
*/
#define libssh2_rsa_ctx _libssh2_wincng_key_ctx
#define _libssh2_rsa_new(rsactx, e, e_len, n, n_len, \
d, d_len, p, p_len, q, q_len, \
e1, e1_len, e2, e2_len, c, c_len) \
_libssh2_wincng_rsa_new(rsactx, e, e_len, n, n_len, \
d, d_len, p, p_len, q, q_len, \
e1, e1_len, e2, e2_len, c, c_len)
#define _libssh2_rsa_new_private(rsactx, s, filename, passphrase) \
_libssh2_wincng_rsa_new_private(rsactx, s, filename, passphrase)
#define _libssh2_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) \
_libssh2_wincng_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len)
#define _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) \
_libssh2_wincng_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len)
#define _libssh2_rsa_free(rsactx) \
_libssh2_wincng_rsa_free(rsactx)
/*
* Windows CNG backend: DSA functions
*/
#define libssh2_dsa_ctx _libssh2_wincng_key_ctx
#define _libssh2_dsa_new(dsactx, p, p_len, q, q_len, \
g, g_len, y, y_len, x, x_len) \
_libssh2_wincng_dsa_new(dsactx, p, p_len, q, q_len, \
g, g_len, y, y_len, x, x_len)
#define _libssh2_dsa_new_private(rsactx, s, filename, passphrase) \
_libssh2_wincng_dsa_new_private(rsactx, s, filename, passphrase)
#define _libssh2_dsa_sha1_sign(dsactx, hash, hash_len, sig) \
_libssh2_wincng_dsa_sha1_sign(dsactx, hash, hash_len, sig)
#define _libssh2_dsa_sha1_verify(dsactx, sig, m, m_len) \
_libssh2_wincng_dsa_sha1_verify(dsactx, sig, m, m_len)
#define _libssh2_dsa_free(dsactx) \
_libssh2_wincng_dsa_free(dsactx)
/*
* Windows CNG backend: Key functions
*/
#define _libssh2_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) \
_libssh2_wincng_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw)
/*******************************************************************/
/*
* Windows CNG backend: Cipher Context structure
*/
struct _libssh2_wincng_cipher_ctx {
BCRYPT_KEY_HANDLE hKey;
unsigned char *pbKeyObject;
unsigned char *pbIV;
unsigned long dwKeyObject;
unsigned long dwIV;
unsigned long dwBlockLength;
};
#define _libssh2_cipher_ctx struct _libssh2_wincng_cipher_ctx
/*
* Windows CNG backend: Cipher Type structure
*/
struct _libssh2_wincng_cipher_type {
BCRYPT_ALG_HANDLE *phAlg;
unsigned long dwKeyLength;
unsigned long dwUseIV;
};
#define _libssh2_cipher_type(type) struct _libssh2_wincng_cipher_type type
#define _libssh2_cipher_aes256ctr { NULL, 32, 1 } /* not supported */
#define _libssh2_cipher_aes192ctr { NULL, 24, 1 } /* not supported */
#define _libssh2_cipher_aes128ctr { NULL, 16, 1 } /* not supported */
#define _libssh2_cipher_aes256 { &_libssh2_wincng.hAlgAES_CBC, 32, 1 }
#define _libssh2_cipher_aes192 { &_libssh2_wincng.hAlgAES_CBC, 24, 1 }
#define _libssh2_cipher_aes128 { &_libssh2_wincng.hAlgAES_CBC, 16, 1 }
#define _libssh2_cipher_blowfish { NULL, 16, 0 } /* not supported */
#define _libssh2_cipher_arcfour { &_libssh2_wincng.hAlgRC4_NA, 16, 0 }
#define _libssh2_cipher_cast5 { NULL, 16, 0 } /* not supported */
#define _libssh2_cipher_3des { &_libssh2_wincng.hAlg3DES_CBC, 24, 1 }
/*
* Windows CNG backend: Cipher functions
*/
#define _libssh2_cipher_init(ctx, type, iv, secret, encrypt) \
_libssh2_wincng_cipher_init(ctx, type, iv, secret, encrypt)
#define _libssh2_cipher_crypt(ctx, type, encrypt, block, blocklen) \
_libssh2_wincng_cipher_crypt(ctx, type, encrypt, block, blocklen)
#define _libssh2_cipher_dtor(ctx) \
_libssh2_wincng_cipher_dtor(ctx)
/*******************************************************************/
/*
* Windows CNG backend: BigNumber Context
*/
#define _libssh2_bn_ctx int /* not used */
#define _libssh2_bn_ctx_new() 0 /* not used */
#define _libssh2_bn_ctx_free(bnctx) ((void)0) /* not used */
/*******************************************************************/
/*
* Windows CNG backend: BigNumber structure
*/
struct _libssh2_wincng_bignum {
unsigned char *bignum;
unsigned long length;
};
#define _libssh2_bn struct _libssh2_wincng_bignum
/*
* Windows CNG backend: BigNumber functions
*/
_libssh2_bn *_libssh2_wincng_bignum_init(void);
#define _libssh2_bn_init() \
_libssh2_wincng_bignum_init()
#define _libssh2_bn_rand(bn, bits, top, bottom) \
_libssh2_wincng_bignum_rand(bn, bits, top, bottom)
#define _libssh2_bn_mod_exp(r, a, p, m, ctx) \
_libssh2_wincng_bignum_mod_exp(r, a, p, m, ctx)
#define _libssh2_bn_set_word(bn, word) \
_libssh2_wincng_bignum_set_word(bn, word)
#define _libssh2_bn_from_bin(bn, len, bin) \
_libssh2_wincng_bignum_from_bin(bn, len, bin)
#define _libssh2_bn_to_bin(bn, bin) \
_libssh2_wincng_bignum_to_bin(bn, bin)
#define _libssh2_bn_bytes(bn) bn->length
#define _libssh2_bn_bits(bn) \
_libssh2_wincng_bignum_bits(bn)
#define _libssh2_bn_free(bn) \
_libssh2_wincng_bignum_free(bn)