Added Windows Cryptography API: Next Generation based backend
This commit is contained in:
Marc Hoersken
Daniel Stenberg
parent
61e40a32ff
commit
d385230e15
@ -1,7 +1,8 @@
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CSOURCES = channel.c comp.c crypt.c hostkey.c kex.c mac.c misc.c \
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packet.c publickey.c scp.c session.c sftp.c userauth.c transport.c \
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version.c knownhost.c agent.c openssl.c libgcrypt.c pem.c keepalive.c \
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global.c
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global.c wincng.c
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HHEADERS = libssh2_priv.h openssl.h libgcrypt.h transport.h channel.h \
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comp.h mac.h misc.h packet.h userauth.h session.h sftp.h crypto.h
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comp.h mac.h misc.h packet.h userauth.h session.h sftp.h crypto.h \
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wincng.h
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44
configure.ac
44
configure.ac
@ -92,6 +92,9 @@ AC_ARG_WITH(openssl,
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AC_ARG_WITH(libz,
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AC_HELP_STRING([--with-libz],[Use Libz for compression]),
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use_libz=$withval,use_libz=auto)
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AC_ARG_WITH(wincng,
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AC_HELP_STRING([--with-wincng],[Use Windows CNG crypto]),
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use_wincng=$withval,use_wincng=auto)
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# Look for OpenSSL (default)
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if test "$use_openssl" != "no" && test "$use_libgcrypt" != "yes"; then
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@ -102,21 +105,45 @@ fi
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# Look for libgcrypt
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if test "$ac_cv_libssl" != "yes" && test "$use_libgcrypt" != "no"; then
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AC_LIB_HAVE_LINKFLAGS([gcrypt], [], [#include <gcrypt.h>])
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LIBS="$LIBS -lgcrypt"
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fi
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# Look for Windows Cryptography API: Next Generation
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if test "$ac_cv_libssl" != "yes" && test "$use_wincng" != "no"; then
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AC_LIB_HAVE_LINKFLAGS([bcrypt], [], [
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#include <windows.h>
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#include <bcrypt.h>
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])
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AC_LIB_HAVE_LINKFLAGS([crypt32], [], [
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#include <windows.h>
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#include <wincrypt.h>
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])
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AC_CHECK_HEADERS([ntdef.h ntstatus.h], [], [], [
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#include <windows.h>
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])
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fi
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AC_SUBST(LIBSREQUIRED)
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if test "$ac_cv_libssl" != "yes" && test "$ac_cv_libgcrypt" != "yes"; then
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AC_MSG_ERROR([cannot find OpenSSL or Libgcrypt,
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if test "$ac_cv_libssl" != "yes" && test "$ac_cv_libgcrypt" != "yes" && test "$ac_cv_libbcrypt" != "yes"; then
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AC_MSG_ERROR([cannot find OpenSSL or Libgcrypt or Windows CNG,
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try --with-libssl-prefix=PATH or --with-libgcrypt-prefix=PATH])
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fi
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if test "$ac_cv_libgcrypt" = "yes"; then
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AC_DEFINE(LIBSSH2_LIBGCRYPT, 1, [Use libgcrypt])
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LIBS="$LIBS -lgcrypt"
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fi
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AM_CONDITIONAL(LIBGCRYPT, test "$ac_cv_libgcrypt" = "yes")
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if test "$ac_cv_libbcrypt" = "yes"; then
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AC_DEFINE(LIBSSH2_WINCNG, 1, [Use Windows CNG])
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LIBS="$LIBS -lbcrypt"
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if test "$ac_cv_libcrypt32" = "yes"; then
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LIBS="$LIBS -lcrypt32"
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fi
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fi
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AM_CONDITIONAL(WINCNG, test "$ac_cv_libbcrypt" = "yes")
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# Not all OpenSSL have AES-CTR functions.
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if test "$ac_cv_libssl" = "yes"; then
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save_LDFLAGS="$LDFLAGS"
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@ -154,6 +181,13 @@ if test "$GEX_NEW" != "no"; then
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AC_DEFINE(LIBSSH2_DH_GEX_NEW, 1, [Enable newer diffie-hellman-group-exchange-sha1 syntax])
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fi
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AC_ARG_ENABLE(memory-overwrite,
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AC_HELP_STRING([--disable-memory-overwrite],[Disable memory overwrite before being freed]),
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[MEMORY_OVERWRITE=$enableval])
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if test "$MEMORY_OVERWRITE" != "no"; then
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AC_DEFINE(LIBSSH2_MEMORY_OVERWRITE, 1, [Enable memory overwrite before being freed])
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fi
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dnl ************************************************************
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dnl option to switch on compiler debug options
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dnl
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@ -239,7 +273,7 @@ AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$build_examples" != "xno"])
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# AC_HEADER_STDC
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AC_CHECK_HEADERS([errno.h fcntl.h stdio.h stdlib.h unistd.h sys/uio.h])
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AC_CHECK_HEADERS([sys/select.h sys/socket.h sys/ioctl.h sys/time.h])
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AC_CHECK_HEADERS([arpa/inet.h netinet/in.h])
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AC_CHECK_HEADERS([arpa/inet.h netinet/in.h math.h])
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AC_CHECK_HEADERS([sys/un.h], [have_sys_un_h=yes], [have_sys_un_h=no])
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AM_CONDITIONAL([HAVE_SYS_UN_H], test "x$have_sys_un_h" = xyes)
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@ -318,7 +352,7 @@ AC_MSG_NOTICE([summary of build options:
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Compiler: ${CC}
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Compiler flags: ${CFLAGS}
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Library types: Shared=${enable_shared}, Static=${enable_static}
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Crypto library: openssl: ${ac_cv_libssl:-no} (AES-CTR: ${ac_cv_func_EVP_aes_128_ctr:-N/A}) libgcrypt: ${ac_cv_libgcrypt:-no}
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Crypto library: openssl: ${ac_cv_libssl:-no} (AES-CTR: ${ac_cv_func_EVP_aes_128_ctr:-N/A}) libgcrypt: ${ac_cv_libgcrypt:-no} wincng: ${ac_cv_libbcrypt:-no}
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Debug build: $enable_debug
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Build examples: $build_examples
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Path to sshd: $ac_cv_path_SSHD (only for self-tests)
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@ -41,8 +41,12 @@
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#ifdef LIBSSH2_LIBGCRYPT
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#include "libgcrypt.h"
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#else
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#ifdef LIBSSH2_WINCNG
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#include "wincng.h"
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#else
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#include "openssl.h"
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#endif
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#endif
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int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
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const unsigned char *edata,
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@ -41,6 +41,7 @@
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#include "libssh2_priv.h"
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#ifndef LIBSSH2_LIBGCRYPT /* compile only if we build with OpenSSL */
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#ifndef LIBSSH2_WINCNG
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#include <string.h>
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@ -801,4 +802,5 @@ _libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session,
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return st;
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}
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#endif /* !LIBSSH2_WINCNG */
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#endif /* !LIBSSH2_LIBGCRYPT */
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@ -38,7 +38,8 @@
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#include "libssh2_priv.h"
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#ifdef LIBSSH2_LIBGCRYPT /* compile only if we build with libgcrypt */
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/* compile only if we build with libgcrypt or wincng */
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#if defined(LIBSSH2_LIBGCRYPT) || defined(LIBSSH2_WINCNG)
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static int
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readline(char *line, int line_size, FILE * fp)
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@ -113,6 +114,11 @@ _libssh2_pem_parse(LIBSSH2_SESSION * session,
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return ret;
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}
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#endif /* LIBSSH2_LIBGCRYPT or LIBSSH2_WINCNG */
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/* compile only if we build with libgcrypt */
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#ifdef LIBSSH2_LIBGCRYPT
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static int
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read_asn1_length(const unsigned char *data,
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unsigned int datalen, unsigned int *len)
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1798
src/wincng.c
Normal file
1798
src/wincng.c
Normal file
File diff suppressed because it is too large
Load Diff
327
src/wincng.h
Normal file
327
src/wincng.h
Normal file
@ -0,0 +1,327 @@
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/*
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* Copyright (C) 2013 Marc Hoersken <info@marc-hoersken.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0600
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#ifdef HAVE_WINDOWS_H
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#include <windows.h>
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#endif
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#ifdef HAVE_NTDEF_H
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#include <ntdef.h>
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#endif
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#ifdef HAVE_NTSTATUS_H
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#include <ntstatus.h>
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#endif
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#include <bcrypt.h>
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#define LIBSSH2_MD5 1
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#define LIBSSH2_HMAC_RIPEMD 0
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#define LIBSSH2_AES 1
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#define LIBSSH2_AES_CTR 0
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#define LIBSSH2_BLOWFISH 0
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#define LIBSSH2_RC4 1
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#define LIBSSH2_CAST 0
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#define LIBSSH2_3DES 1
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#define LIBSSH2_RSA 1
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#define LIBSSH2_DSA 1
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#define MD5_DIGEST_LENGTH 16
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#define SHA_DIGEST_LENGTH 20
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/*******************************************************************/
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/*
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* Windows CNG backend: Global context handles
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*/
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struct _libssh2_wincng_ctx {
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BCRYPT_ALG_HANDLE hAlgRNG;
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BCRYPT_ALG_HANDLE hAlgHashMD5;
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BCRYPT_ALG_HANDLE hAlgHashSHA1;
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BCRYPT_ALG_HANDLE hAlgHmacMD5;
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BCRYPT_ALG_HANDLE hAlgHmacSHA1;
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BCRYPT_ALG_HANDLE hAlgRSA;
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BCRYPT_ALG_HANDLE hAlgDSA;
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BCRYPT_ALG_HANDLE hAlgAES_CBC;
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BCRYPT_ALG_HANDLE hAlgRC4_NA;
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BCRYPT_ALG_HANDLE hAlg3DES_CBC;
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};
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struct _libssh2_wincng_ctx _libssh2_wincng;
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/*******************************************************************/
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/*
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* Windows CNG backend: Generic functions
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*/
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void _libssh2_wincng_init(void);
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void _libssh2_wincng_free(void);
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#define libssh2_crypto_init() \
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_libssh2_wincng_init()
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#define libssh2_crypto_exit() \
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_libssh2_wincng_free()
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#define _libssh2_random(buf, len) \
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_libssh2_wincng_random(buf, len)
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/*******************************************************************/
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/*
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* Windows CNG backend: Hash structure
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*/
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struct _libssh2_wincng_hash_ctx {
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BCRYPT_HASH_HANDLE hHash;
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unsigned char *pbHashObject;
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unsigned long dwHashObject;
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unsigned long cbHash;
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};
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#define _libssh2_wincng_hash_ctx struct _libssh2_wincng_hash_ctx
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/*
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* Windows CNG backend: Hash functions
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*/
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#define libssh2_sha1_ctx _libssh2_wincng_hash_ctx
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#define libssh2_sha1_init(ctx) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashSHA1, \
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SHA_DIGEST_LENGTH, NULL, 0)
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#define libssh2_sha1_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_sha1_final(ctx, hash) \
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_libssh2_wincng_hash_final(&ctx, hash)
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#define libssh2_sha1(data, datalen, hash) \
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_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashSHA1, \
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hash, SHA_DIGEST_LENGTH)
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#define libssh2_md5_ctx _libssh2_wincng_hash_ctx
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#define libssh2_md5_init(ctx) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashMD5, \
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MD5_DIGEST_LENGTH, NULL, 0)
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#define libssh2_md5_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_md5_final(ctx, hash) \
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_libssh2_wincng_hash_final(&ctx, hash)
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#define libssh2_md5(data, datalen, hash) \
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_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashMD5, \
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hash, MD5_DIGEST_LENGTH)
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/*
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* Windows CNG backend: HMAC functions
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*/
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#define libssh2_hmac_ctx _libssh2_wincng_hash_ctx
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#define libssh2_hmac_sha1_init(ctx, key, keylen) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacSHA1, \
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SHA_DIGEST_LENGTH, key, keylen)
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#define libssh2_hmac_md5_init(ctx, key, keylen) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacMD5, \
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MD5_DIGEST_LENGTH, key, keylen)
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#define libssh2_hmac_ripemd160_init(ctx, key, keylen)
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/* not implemented */
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#define libssh2_hmac_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_hmac_final(ctx, hash) \
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_libssh2_wincng_hmac_final(&ctx, hash)
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#define libssh2_hmac_cleanup(ctx) \
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_libssh2_wincng_hmac_cleanup(ctx)
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/*******************************************************************/
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/*
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* Windows CNG backend: Key Context structure
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*/
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struct _libssh2_wincng_key_ctx {
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BCRYPT_KEY_HANDLE hKey;
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unsigned char *pbKeyObject;
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unsigned long cbKeyObject;
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};
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#define _libssh2_wincng_key_ctx struct _libssh2_wincng_key_ctx
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/*
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* Windows CNG backend: RSA functions
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*/
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#define libssh2_rsa_ctx _libssh2_wincng_key_ctx
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#define _libssh2_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len) \
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_libssh2_wincng_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len)
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#define _libssh2_rsa_new_private(rsactx, s, filename, passphrase) \
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_libssh2_wincng_rsa_new_private(rsactx, s, filename, passphrase)
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#define _libssh2_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) \
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_libssh2_wincng_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len)
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#define _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) \
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_libssh2_wincng_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len)
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#define _libssh2_rsa_free(rsactx) \
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_libssh2_wincng_rsa_free(rsactx)
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/*
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* Windows CNG backend: DSA functions
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*/
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#define libssh2_dsa_ctx _libssh2_wincng_key_ctx
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#define _libssh2_dsa_new(dsactx, p, p_len, q, q_len, \
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g, g_len, y, y_len, x, x_len) \
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_libssh2_wincng_dsa_new(dsactx, p, p_len, q, q_len, \
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g, g_len, y, y_len, x, x_len)
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#define _libssh2_dsa_new_private(rsactx, s, filename, passphrase) \
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_libssh2_wincng_dsa_new_private(rsactx, s, filename, passphrase)
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#define _libssh2_dsa_sha1_sign(dsactx, hash, hash_len, sig) \
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_libssh2_wincng_dsa_sha1_sign(dsactx, hash, hash_len, sig)
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#define _libssh2_dsa_sha1_verify(dsactx, sig, m, m_len) \
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_libssh2_wincng_dsa_sha1_verify(dsactx, sig, m, m_len)
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#define _libssh2_dsa_free(dsactx) \
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_libssh2_wincng_dsa_free(dsactx)
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/*
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* Windows CNG backend: Key functions
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*/
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#define _libssh2_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) \
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_libssh2_wincng_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw)
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/*******************************************************************/
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/*
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* Windows CNG backend: Cipher Context structure
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*/
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struct _libssh2_wincng_cipher_ctx {
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BCRYPT_KEY_HANDLE hKey;
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unsigned char *pbKeyObject;
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unsigned char *pbIV;
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unsigned long dwKeyObject;
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unsigned long dwIV;
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unsigned long dwBlockLength;
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};
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#define _libssh2_cipher_ctx struct _libssh2_wincng_cipher_ctx
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|
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/*
|
||||
* 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)
|
||||
Loading…
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Reference in New Issue
Block a user