diff options
| -rw-r--r-- | crypto/crypto.h | 1 | ||||
| -rw-r--r-- | crypto/rand/Makefile.ssl | 4 | ||||
| -rw-r--r-- | crypto/rand/md_rand.c | 143 | ||||
| -rw-r--r-- | crypto/rand/rand_win.c | 293 |
4 files changed, 297 insertions, 144 deletions
diff --git a/crypto/crypto.h b/crypto/crypto.h index aee1899a25..84894af56c 100644 --- a/crypto/crypto.h +++ b/crypto/crypto.h @@ -379,4 +379,3 @@ void ERR_load_CRYPTO_strings(void); } #endif #endif - diff --git a/crypto/rand/Makefile.ssl b/crypto/rand/Makefile.ssl index 2d4541f78e..d9e0b3782d 100644 --- a/crypto/rand/Makefile.ssl +++ b/crypto/rand/Makefile.ssl @@ -22,8 +22,8 @@ TEST= randtest.c APPS= LIB=$(TOP)/libcrypto.a -LIBSRC=md_rand.c randfile.c rand_lib.c rand_err.c rand_egd.c -LIBOBJ=md_rand.o randfile.o rand_lib.o rand_err.o rand_egd.o +LIBSRC=md_rand.c randfile.c rand_lib.c rand_err.c rand_egd.c rand_win.c +LIBOBJ=md_rand.o randfile.o rand_lib.o rand_err.o rand_egd.o rand_win.o SRC= $(LIBSRC) diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c index ebb98baa98..88a608ae36 100644 --- a/crypto/rand/md_rand.c +++ b/crypto/rand/md_rand.c @@ -111,7 +111,7 @@ #define ENTROPY_NEEDED 20 /* require 160 bits = 20 bytes of randomness */ -#ifndef MD_RAND_DEBUG +#ifdef MD_RAND_DEBUG # ifndef NDEBUG # define NDEBUG # endif @@ -359,7 +359,7 @@ static void ssleay_rand_seed(const void *buf, int num) ssleay_rand_add(buf, num, num); } -static void ssleay_rand_initialize(void) +static void ssleay_rand_initialize(void) /* not exported in RAND_METHOD */ { unsigned long l; #ifndef GETPID_IS_MEANINGLESS @@ -606,142 +606,3 @@ static int ssleay_rand_status(void) return ret; } - -#ifdef WINDOWS -#include <windows.h> -#include <openssl/rand.h> - -int RAND_event(UINT iMsg, WPARAM wParam, LPARAM lParam) - { - double add_entropy=0; - SYSTEMTIME t; - - switch (iMsg) - { - case WM_KEYDOWN: - { - static WPARAM key; - if (key != wParam) - add_entropy = 0.05; - key = wParam; - } - break; - case WM_MOUSEMOVE: - { - static int lastx,lasty,lastdx,lastdy; - int x,y,dx,dy; - - x=LOWORD(lParam); - y=HIWORD(lParam); - dx=lastx-x; - dy=lasty-y; - if (dx != 0 && dy != 0 && dx-lastdx != 0 && dy-lastdy != 0) - add_entropy=.2; - lastx=x, lasty=y; - lastdx=dx, lastdy=dy; - } - break; - } - - GetSystemTime(&t); - RAND_add(&iMsg, sizeof(iMsg), add_entropy); - RAND_add(&wParam, sizeof(wParam), 0); - RAND_add(&lParam, sizeof(lParam), 0); - RAND_add(&t, sizeof(t), 0); - - return (RAND_status()); - } - -/***************************************************************************** - * Initialisation function for the SSL random generator. Takes the contents - * of the screen as random seed. - * - * Created 960901 by Gertjan van Oosten, gertjan@West.NL, West Consulting B.V. - * - * Code adapted from - * <URL:http://www.microsoft.com/kb/developr/win_dk/q97193.htm>; - * the original copyright message is: - * - * (C) Copyright Microsoft Corp. 1993. All rights reserved. - * - * You have a royalty-free right to use, modify, reproduce and - * distribute the Sample Files (and/or any modified version) in - * any way you find useful, provided that you agree that - * Microsoft has no warranty obligations or liability for any - * Sample Application Files which are modified. - */ -/* - * I have modified the loading of bytes via RAND_seed() mechanism since - * the original would have been very very CPU intensive since RAND_seed() - * does an MD5 per 16 bytes of input. The cost to digest 16 bytes is the same - * as that to digest 56 bytes. So under the old system, a screen of - * 1024*768*256 would have been CPU cost of approximately 49,000 56 byte MD5 - * digests or digesting 2.7 mbytes. What I have put in place would - * be 48 16k MD5 digests, or effectively 48*16+48 MD5 bytes or 816 kbytes - * or about 3.5 times as much. - * - eric - */ -void RAND_screen(void) -{ - HDC hScrDC; /* screen DC */ - HDC hMemDC; /* memory DC */ - HBITMAP hBitmap; /* handle for our bitmap */ - HBITMAP hOldBitmap; /* handle for previous bitmap */ - BITMAP bm; /* bitmap properties */ - unsigned int size; /* size of bitmap */ - char *bmbits; /* contents of bitmap */ - int w; /* screen width */ - int h; /* screen height */ - int y; /* y-coordinate of screen lines to grab */ - int n = 16; /* number of screen lines to grab at a time */ - - /* Create a screen DC and a memory DC compatible to screen DC */ - hScrDC = CreateDC("DISPLAY", NULL, NULL, NULL); - hMemDC = CreateCompatibleDC(hScrDC); - - /* Get screen resolution */ - w = GetDeviceCaps(hScrDC, HORZRES); - h = GetDeviceCaps(hScrDC, VERTRES); - - /* Create a bitmap compatible with the screen DC */ - hBitmap = CreateCompatibleBitmap(hScrDC, w, n); - - /* Select new bitmap into memory DC */ - hOldBitmap = SelectObject(hMemDC, hBitmap); - - /* Get bitmap properties */ - GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm); - size = (unsigned int)bm.bmWidthBytes * bm.bmHeight * bm.bmPlanes; - - bmbits = Malloc(size); - if (bmbits) { - /* Now go through the whole screen, repeatedly grabbing n lines */ - for (y = 0; y < h-n; y += n) - { - unsigned char md[MD_DIGEST_LENGTH]; - - /* Bitblt screen DC to memory DC */ - BitBlt(hMemDC, 0, 0, w, n, hScrDC, 0, y, SRCCOPY); - - /* Copy bitmap bits from memory DC to bmbits */ - GetBitmapBits(hBitmap, size, bmbits); - - /* Get the MD5 of the bitmap */ - MD(bmbits,size,md); - - /* Seed the random generator with the MD5 digest */ - RAND_seed(md, MD_DIGEST_LENGTH); - } - - Free(bmbits); - } - - /* Select old bitmap back into memory DC */ - hBitmap = SelectObject(hMemDC, hOldBitmap); - - /* Clean up */ - DeleteObject(hBitmap); - DeleteDC(hMemDC); - DeleteDC(hScrDC); -} -#endif diff --git a/crypto/rand/rand_win.c b/crypto/rand/rand_win.c new file mode 100644 index 0000000000..78a55f32d3 --- /dev/null +++ b/crypto/rand/rand_win.c @@ -0,0 +1,293 @@ +/* crypto/rand/rand_win.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED 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 OpenSSL PROJECT OR + * ITS 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. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + + +#ifdef WINDOWS +#include <windows.h> +#include <openssl/rand.h> +/* XXX There are probably other includes missing here ... */ + + +#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) +#if !defined(NO_SHA) && !defined(NO_SHA1) +#define USE_SHA1_RAND +#elif !defined(NO_MD5) +#define USE_MD5_RAND +#elif !defined(NO_MDC2) && !defined(NO_DES) +#define USE_MDC2_RAND +#elif !defined(NO_MD2) +#define USE_MD2_RAND +#else +#error No message digest algorithm available +#endif +#endif + +#if defined(USE_MD5_RAND) +#include <openssl/md5.h> +#define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH +#define MD(a,b,c) MD5(a,b,c) +#elif defined(USE_SHA1_RAND) +#include <openssl/sha.h> +#define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH +#define MD(a,b,c) SHA1(a,b,c) +#elif defined(USE_MDC2_RAND) +#include <openssl/mdc2.h> +#define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH +#define MD(a,b,c) MDC2(a,b,c) +#elif defined(USE_MD2_RAND) +#include <openssl/md2.h> +#define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH +#define MD(a,b,c) MD2(a,b,c) +#endif + + +int RAND_event(UINT iMsg, WPARAM wParam, LPARAM lParam) + { + double add_entropy=0; + SYSTEMTIME t; + + switch (iMsg) + { + case WM_KEYDOWN: + { + static WPARAM key; + if (key != wParam) + add_entropy = 0.05; + key = wParam; + } + break; + case WM_MOUSEMOVE: + { + static int lastx,lasty,lastdx,lastdy; + int x,y,dx,dy; + + x=LOWORD(lParam); + y=HIWORD(lParam); + dx=lastx-x; + dy=lasty-y; + if (dx != 0 && dy != 0 && dx-lastdx != 0 && dy-lastdy != 0) + add_entropy=.2; + lastx=x, lasty=y; + lastdx=dx, lastdy=dy; + } + break; + } + + GetSystemTime(&t); + RAND_add(&iMsg, sizeof(iMsg), add_entropy); + RAND_add(&wParam, sizeof(wParam), 0); + RAND_add(&lParam, sizeof(lParam), 0); + RAND_add(&t, sizeof(t), 0); + + return (RAND_status()); + } + + +/***************************************************************************** + * Initialisation function for the SSL random generator. Takes the contents + * of the screen as random seed. + * + * Created 960901 by Gertjan van Oosten, gertjan@West.NL, West Consulting B.V. + * + * Code adapted from + * <URL:http://www.microsoft.com/kb/developr/win_dk/q97193.htm>; + * the original copyright message is: + * + * (C) Copyright Microsoft Corp. 1993. All rights reserved. + * + * You have a royalty-free right to use, modify, reproduce and + * distribute the Sample Files (and/or any modified version) in + * any way you find useful, provided that you agree that + * Microsoft has no warranty obligations or liability for any + * Sample Application Files which are modified. + */ +/* + * I have modified the loading of bytes via RAND_seed() mechanism since + * the original would have been very very CPU intensive since RAND_seed() + * does an MD5 per 16 bytes of input. The cost to digest 16 bytes is the same + * as that to digest 56 bytes. So under the old system, a screen of + * 1024*768*256 would have been CPU cost of approximately 49,000 56 byte MD5 + * digests or digesting 2.7 mbytes. What I have put in place would + * be 48 16k MD5 digests, or effectively 48*16+48 MD5 bytes or 816 kbytes + * or about 3.5 times as much. + * - eric + */ +void RAND_screen(void) +{ + HDC hScrDC; /* screen DC */ + HDC hMemDC; /* memory DC */ + HBITMAP hBitmap; /* handle for our bitmap */ + HBITMAP hOldBitmap; /* handle for previous bitmap */ + BITMAP bm; /* bitmap properties */ + unsigned int size; /* size of bitmap */ + char *bmbits; /* contents of bitmap */ + int w; /* screen width */ + int h; /* screen height */ + int y; /* y-coordinate of screen lines to grab */ + int n = 16; /* number of screen lines to grab at a time */ + + /* Create a screen DC and a memory DC compatible to screen DC */ + hScrDC = CreateDC("DISPLAY", NULL, NULL, NULL); + hMemDC = CreateCompatibleDC(hScrDC); + + /* Get screen resolution */ + w = GetDeviceCaps(hScrDC, HORZRES); + h = GetDeviceCaps(hScrDC, VERTRES); + + /* Create a bitmap compatible with the screen DC */ + hBitmap = CreateCompatibleBitmap(hScrDC, w, n); + + /* Select new bitmap into memory DC */ + hOldBitmap = SelectObject(hMemDC, hBitmap); + + /* Get bitmap properties */ + GetObject(hBitmap, sizeof(BITMAP), (LPSTR)&bm); + size = (unsigned int)bm.bmWidthBytes * bm.bmHeight * bm.bmPlanes; + + bmbits = Malloc(size); + if (bmbits) { + /* Now go through the whole screen, repeatedly grabbing n lines */ + for (y = 0; y < h-n; y += n) + { + unsigned char md[MD_DIGEST_LENGTH]; + + /* Bitblt screen DC to memory DC */ + BitBlt(hMemDC, 0, 0, w, n, hScrDC, 0, y, SRCCOPY); + + /* Copy bitmap bits from memory DC to bmbits */ + GetBitmapBits(hBitmap, size, bmbits); + + /* Get the MD5 of the bitmap */ + MD(bmbits,size,md); + + /* Seed the random generator with the MD5 digest */ + RAND_seed(md, MD_DIGEST_LENGTH); + } + + Free(bmbits); + } + + /* Select old bitmap back into memory DC */ + hBitmap = SelectObject(hMemDC, hOldBitmap); + + /* Clean up */ + DeleteObject(hBitmap); + DeleteDC(hMemDC); + DeleteDC(hScrDC); +} + +#else + +# if PEDANTIC +static void *dummy=&dummy; +# endif + +#endif |