diff options
Diffstat (limited to 'crypto/rand')
| -rw-r--r-- | crypto/rand/Makefile.ssl | 80 | ||||
| -rw-r--r-- | crypto/rand/md_rand.c | 406 | ||||
| -rw-r--r-- | crypto/rand/rand.h | 92 | ||||
| -rw-r--r-- | crypto/rand/rand_lib.c | 104 | ||||
| -rw-r--r-- | crypto/rand/randfile.c | 166 | ||||
| -rw-r--r-- | crypto/rand/randtest.c | 207 |
6 files changed, 1055 insertions, 0 deletions
diff --git a/crypto/rand/Makefile.ssl b/crypto/rand/Makefile.ssl new file mode 100644 index 000000000..d04f0a9b4 --- /dev/null +++ b/crypto/rand/Makefile.ssl @@ -0,0 +1,80 @@ +# +# SSLeay/crypto/rand/Makefile +# + +DIR= rand +TOP= ../.. +CC= cc +INCLUDES= +CFLAG=-g +INSTALLTOP=/usr/local/ssl +MAKE= make -f Makefile.ssl +MAKEDEPEND= makedepend -f Makefile.ssl +MAKEFILE= Makefile.ssl +AR= ar r + +CFLAGS= $(INCLUDES) $(CFLAG) + +GENERAL=Makefile +TEST= randtest.c +APPS= + +LIB=$(TOP)/libcrypto.a +LIBSRC=md_rand.c randfile.c +LIBOBJ=md_rand.o randfile.o + +SRC= $(LIBSRC) + +EXHEADER= rand.h +HEADER= $(EXHEADER) + +ALL= $(GENERAL) $(SRC) $(HEADER) + +top: + (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all) + +all: lib + +lib: $(LIBOBJ) + $(AR) $(LIB) $(LIBOBJ) + sh $(TOP)/util/ranlib.sh $(LIB) + @touch lib + +files: + perl $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO + +links: + /bin/rm -f Makefile + $(TOP)/util/point.sh Makefile.ssl Makefile ; + $(TOP)/util/mklink.sh ../../include $(EXHEADER) + $(TOP)/util/mklink.sh ../../test $(TEST) + $(TOP)/util/mklink.sh ../../apps $(APPS) + +install: + @for i in $(EXHEADER) ; \ + do \ + (cp $$i $(INSTALLTOP)/include/$$i; \ + chmod 644 $(INSTALLTOP)/include/$$i ); \ + done; + +tags: + ctags $(SRC) + +tests: + +lint: + lint -DLINT $(INCLUDES) $(SRC)>fluff + +depend: + $(MAKEDEPEND) $(INCLUDES) $(PROGS) $(LIBSRC) + +dclean: + perl -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new + mv -f Makefile.new $(MAKEFILE) + +clean: + /bin/rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff + +errors: + +# DO NOT DELETE THIS LINE -- make depend depends on it. diff --git a/crypto/rand/md_rand.c b/crypto/rand/md_rand.c new file mode 100644 index 000000000..6c8e65a05 --- /dev/null +++ b/crypto/rand/md_rand.c @@ -0,0 +1,406 @@ +/* crypto/rand/md_rand.c */ +/* Copyright (C) 1995-1997 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.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <sys/types.h> +#include <time.h> + + +#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) +#ifndef NO_MD5 +#define USE_MD5_RAND +#elif !defined(NO_SHA1) +#define USE_SHA1_RAND +#elif !defined(NO_MDC2) +#define USE_MDC2_RAND +#elif !defined(NO_MD2) +#define USE_MD2_RAND +#else +We need a message digest of some type +#endif +#endif + +/* Changed how the state buffer used. I now attempt to 'wrap' such + * that I don't run over the same locations the next time go through + * the 1023 bytes - many thanks to + * Robert J. LeBlanc <rjl@renaissoft.com> for his comments + */ + +#if defined(USE_MD5_RAND) +#include "md5.h" +#define MD_DIGEST_LENGTH MD5_DIGEST_LENGTH +#define MD_CTX MD5_CTX +#define MD_Init(a) MD5_Init(a) +#define MD_Update(a,b,c) MD5_Update(a,b,c) +#define MD_Final(a,b) MD5_Final(a,b) +#elif defined(USE_SHA1_RAND) +#include "sha.h" +#define MD_DIGEST_LENGTH SHA_DIGEST_LENGTH +#define MD_CTX SHA_CTX +#define MD_Init(a) SHA1_Init(a) +#define MD_Update(a,b,c) SHA1_Update(a,b,c) +#define MD_Final(a,b) SHA1_Final(a,b) +#elif defined(USE_MDC2_RAND) +#include "mdc2.h" +#define MD_DIGEST_LENGTH MDC2_DIGEST_LENGTH +#define MD_CTX MDC2_CTX +#define MD_Init(a) MDC2_Init(a) +#define MD_Update(a,b,c) MDC2_Update(a,b,c) +#define MD_Final(a,b) MDC2_Final(a,b) +#elif defined(USE_MD2_RAND) +#include "md2.h" +#define MD_DIGEST_LENGTH MD2_DIGEST_LENGTH +#define MD_CTX MD2_CTX +#define MD_Init(a) MD2_Init(a) +#define MD_Update(a,b,c) MD2_Update(a,b,c) +#define MD_Final(a,b) MD2_Final(a,b) +#endif + +#include "rand.h" + +/*#define NORAND 1 */ +/*#define PREDICT 1 */ + +#define STATE_SIZE 1023 +static int state_num=0,state_index=0; +static unsigned char state[STATE_SIZE]; +static unsigned char md[MD_DIGEST_LENGTH]; +static int count=0; + +char *RAND_version="RAND part of SSLeay 0.8.1b 29-Jun-1998"; + +void RAND_cleanup() + { + memset(state,0,STATE_SIZE); + state_num=0; + state_index=0; + memset(md,0,MD_DIGEST_LENGTH); + count=0; + } + +void RAND_seed(buf,num) +unsigned char *buf; +int num; + { + int i,j,k,st_idx,st_num; + MD_CTX m; + +#ifdef NORAND + return; +#endif + + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + st_idx=state_index; + st_num=state_num; + + state_index=(state_index+num); + if (state_index > STATE_SIZE) + { + state_index%=STATE_SIZE; + state_num=STATE_SIZE; + } + else if (state_num < STATE_SIZE) + { + if (state_index > state_num) + state_num=state_index; + } + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + + for (i=0; i<num; i+=MD_DIGEST_LENGTH) + { + j=(num-i); + j=(j > MD_DIGEST_LENGTH)?MD_DIGEST_LENGTH:j; + + MD_Init(&m); + MD_Update(&m,md,MD_DIGEST_LENGTH); + k=(st_idx+j)-STATE_SIZE; + if (k > 0) + { + MD_Update(&m,&(state[st_idx]),j-k); + MD_Update(&m,&(state[0]),k); + } + else + MD_Update(&m,&(state[st_idx]),j); + + MD_Update(&m,buf,j); + MD_Final(md,&m); + + buf+=j; + + for (k=0; k<j; k++) + { + state[st_idx++]^=md[k]; + if (st_idx >= STATE_SIZE) + { + st_idx=0; + st_num=STATE_SIZE; + } + } + } + memset((char *)&m,0,sizeof(m)); + } + +void RAND_bytes(buf,num) +unsigned char *buf; +int num; + { + int i,j,k,st_num,st_idx; + MD_CTX m; + static int init=1; + unsigned long l; +#ifdef DEVRANDOM + FILE *fh; +#endif + +#ifdef PREDICT + { + static unsigned char val=0; + + for (i=0; i<num; i++) + buf[i]=val++; + return; + } +#endif + + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + + if (init) + { + init=0; + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + /* put in some default random data, we need more than + * just this */ + RAND_seed((unsigned char *)&m,sizeof(m)); +#ifndef MSDOS + l=getpid(); + RAND_seed((unsigned char *)&l,sizeof(l)); + l=getuid(); + RAND_seed((unsigned char *)&l,sizeof(l)); +#endif + l=time(NULL); + RAND_seed((unsigned char *)&l,sizeof(l)); + +#ifdef DEVRANDOM + /* + * Use a random entropy pool device. + * Linux 1.3.x and FreeBSD-Current has + * this. Use /dev/urandom if you can + * as /dev/random will block if it runs out + * of random entries. + */ + if ((fh = fopen(DEVRANDOM, "r")) != NULL) + { + unsigned char buf[32]; + + fread((unsigned char *)buf,1,32,fh); + /* we don't care how many bytes we read, + * we will just copy the 'stack' if there is + * nothing else :-) */ + fclose(fh); + RAND_seed(buf,32); + memset(buf,0,32); + } +#endif +#ifdef PURIFY + memset(state,0,STATE_SIZE); + memset(md,0,MD_DIGEST_LENGTH); +#endif + CRYPTO_w_lock(CRYPTO_LOCK_RAND); + } + + st_idx=state_index; + st_num=state_num; + state_index+=num; + if (state_index > state_num) + state_index=(state_index%state_num); + + CRYPTO_w_unlock(CRYPTO_LOCK_RAND); + + while (num > 0) + { + j=(num >= MD_DIGEST_LENGTH/2)?MD_DIGEST_LENGTH/2:num; + num-=j; + MD_Init(&m); + MD_Update(&m,&(md[MD_DIGEST_LENGTH/2]),MD_DIGEST_LENGTH/2); +#ifndef PURIFY + MD_Update(&m,buf,j); /* purify complains */ +#endif + k=(st_idx+j)-st_num; + if (k > 0) + { + MD_Update(&m,&(state[st_idx]),j-k); + MD_Update(&m,&(state[0]),k); + } + else + MD_Update(&m,&(state[st_idx]),j); + MD_Final(md,&m); + + for (i=0; i<j; i++) + { + if (st_idx >= st_num) + st_idx=0; + state[st_idx++]^=md[i]; + *(buf++)=md[i+MD_DIGEST_LENGTH/2]; + } + } + + MD_Init(&m); + MD_Update(&m,(unsigned char *)&count,sizeof(count)); count++; + MD_Update(&m,md,MD_DIGEST_LENGTH); + MD_Final(md,&m); + memset(&m,0,sizeof(m)); + } + +#ifdef WINDOWS +#include <windows.h> +#include <rand.h> + +/***************************************************************************** + * 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 origional 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 approximatly 49,000 56 byte MD5 + * digests or digesting 2.7 mbytes. What I have put in place would + * be 48 16k MD5 digests, or efectivly 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 */ + MD5(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.h b/crypto/rand/rand.h new file mode 100644 index 000000000..99ca47d6c --- /dev/null +++ b/crypto/rand/rand.h @@ -0,0 +1,92 @@ +/* crypto/rand/rand.h */ +/* Copyright (C) 1995-1997 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.] + */ + +#ifndef HEADER_RAND_H +#define HEADER_RAND_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef NOPROTO +void RAND_cleanup(void ); +void RAND_bytes( unsigned char *buf,int num); +void RAND_seed( unsigned char *buf,int num); +int RAND_load_file(char *file,long max_bytes); +int RAND_write_file(char *file); +char *RAND_file_name(char *file,int num); +#ifdef WINDOWS +void RAND_screen(void); +#endif +#else +void RAND_cleanup(); +void RAND_bytes(); +void RAND_seed(); +int RAND_load_file(); +int RAND_write_file(); +char *RAND_file_name(); +#ifdef WINDOWS +void RAND_screen(); +#endif +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/crypto/rand/rand_lib.c b/crypto/rand/rand_lib.c new file mode 100644 index 000000000..c4b44e518 --- /dev/null +++ b/crypto/rand/rand_lib.c @@ -0,0 +1,104 @@ +/* crypto/rand/rand_lib.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.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <sys/types.h> +#include <time.h> +#include "rand.h" + +#ifdef NO_RAND +static RAND_METHOD *rand_meth=NULL; +#else +extern RAND_METHOD rand_ssleay; +static RAND_METHOD *rand_meth= &rand_ssleay; +#endif + +void RAND_set_rand_method(meth) +RAND_METHOD *meth; + { + rand_meth=meth; + } + +RAND_METHOD *RAND_get_rand_method() + { + return(rand_meth); + } + +void RAND_cleanup() + { + if (rand_meth != NULL) + rand_meth->cleanup(); + } + +void RAND_seed(buf,num) +unsigned char *buf; +int num; + { + if (rand_meth != NULL) + rand_meth->seed(buf,num); + } + +void RAND_bytes(buf,num) +unsigned char *buf; +int num; + { + if (rand_meth != NULL) + rand_meth->bytes(buf,num); + } + diff --git a/crypto/rand/randfile.c b/crypto/rand/randfile.c new file mode 100644 index 000000000..ad0e55db9 --- /dev/null +++ b/crypto/rand/randfile.c @@ -0,0 +1,166 @@ +/* crypto/rand/randfile.c */ +/* Copyright (C) 1995-1997 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.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <sys/stat.h> +#include <sys/types.h> +#include "rand.h" + +#undef BUFSIZE +#define BUFSIZE 1024 +#define RAND_DATA 1024 + +/* #define RFILE ".rand" - defined in ../../e_os.h */ + +int RAND_load_file(file,bytes) +char *file; +long bytes; + { + MS_STATIC unsigned char buf[BUFSIZE]; + struct stat sb; + int i,ret=0,n; + FILE *in; + + if (file == NULL) return(0); + + i=stat(file,&sb); + /* If the state fails, put some crap in anyway */ + RAND_seed((unsigned char *)&sb,sizeof(sb)); + ret+=sizeof(sb); + if (i < 0) return(0); + if (bytes <= 0) return(ret); + + in=fopen(file,"r"); + if (in == NULL) goto err; + for (;;) + { + n=(bytes < BUFSIZE)?(int)bytes:BUFSIZE; + i=fread(buf,1,n,in); + if (i <= 0) break; + /* even if n != i, use the full array */ + RAND_seed(buf,n); + ret+=i; + bytes-=n; + if (bytes <= 0) break; + } + fclose(in); + memset(buf,0,BUFSIZE); +err: + return(ret); + } + +int RAND_write_file(file) +char *file; + { + unsigned char buf[BUFSIZE]; + int i,ret=0; + FILE *out; + int n; + + out=fopen(file,"w"); + if (out == NULL) goto err; + chmod(file,0600); + n=RAND_DATA; + for (;;) + { + i=(n > BUFSIZE)?BUFSIZE:n; + n-=BUFSIZE; + RAND_bytes(buf,i); + i=fwrite(buf,1,i,out); + if (i <= 0) + { + ret=0; + break; + } + ret+=i; + if (n <= 0) break; + } + fclose(out); + memset(buf,0,BUFSIZE); +err: + return(ret); + } + +char *RAND_file_name(buf,size) +char *buf; +int size; + { + char *s; + char *ret=NULL; + + s=getenv("RANDFILE"); + if (s != NULL) + { + strncpy(buf,s,size-1); + buf[size-1]='\0'; + ret=buf; + } + else + { + s=getenv("HOME"); + if (s == NULL) return(RFILE); + if (((int)(strlen(s)+strlen(RFILE)+2)) > size) + return(RFILE); + strcpy(buf,s); + strcat(buf,"/"); + strcat(buf,RFILE); + ret=buf; + } + return(ret); + } diff --git a/crypto/rand/randtest.c b/crypto/rand/randtest.c new file mode 100644 index 000000000..ac3f0d709 --- /dev/null +++ b/crypto/rand/randtest.c @@ -0,0 +1,207 @@ +/* crypto/rand/randtest.c */ +/* Copyright (C) 1995-1997 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.] + */ + +#include <stdio.h> +#include <stdlib.h> +#include "rand.h" + +/* some FIPS 140-1 random number test */ +/* some simple tests */ + +int main() + { + unsigned char buf[2500]; + int i,j,k,s,sign,nsign,err=0; + unsigned long n1; + unsigned long n2[16]; + unsigned long runs[2][34]; + /*double d; */ + long d; + + RAND_bytes(buf,2500); + + n1=0; + for (i=0; i<16; i++) n2[i]=0; + for (i=0; i<34; i++) runs[0][i]=runs[1][i]=0; + + /* test 1 and 2 */ + sign=0; + nsign=0; + for (i=0; i<2500; i++) + { + j=buf[i]; + + n2[j&0x0f]++; + n2[(j>>4)&0x0f]++; + + for (k=0; k<8; k++) + { + s=(j&0x01); + if (s == sign) + nsign++; + else + { + if (nsign > 34) nsign=34; + if (nsign != 0) + { + runs[sign][nsign-1]++; + if (nsign > 6) + runs[sign][5]++; + } + sign=s; + nsign=1; + } + + if (s) n1++; + j>>=1; + } + } + if (nsign > 34) nsign=34; + if (nsign != 0) runs[sign][nsign-1]++; + + /* test 1 */ + if (!((9654 < n1) && (n1 < 10346))) + { + printf("test 1 failed, X=%ld\n",n1); + err++; + } + printf("test 1 done\n"); + + /* test 2 */ +#ifdef undef + d=0; + for (i=0; i<16; i++) + d+=n2[i]*n2[i]; + d=d*16.0/5000.0-5000.0; + if (!((1.03 < d) && (d < 57.4))) + { + printf("test 2 failed, X=%.2f\n",d); + err++; + } +#endif + d=0; + for (i=0; i<16; i++) + d+=n2[i]*n2[i]; + d=(d*8)/25-500000; + if (!((103 < d) && (d < 5740))) + { + printf("test 2 failed, X=%ld.%02ld\n",d/100L,d%100L); + err++; + } + printf("test 2 done\n"); + + /* test 3 */ + for (i=0; i<2; i++) + { + if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,1,runs[i][0]); + err++; + } + if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,2,runs[i][1]); + err++; + } + if (!(( 502 < runs[i][2]) && (runs[i][2] < 748))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,3,runs[i][2]); + err++; + } + if (!(( 223 < runs[i][3]) && (runs[i][3] < 402))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,4,runs[i][3]); + err++; + } + if (!(( 90 < runs[i][4]) && (runs[i][4] < 223))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,5,runs[i][4]); + err++; + } + if (!(( 90 < runs[i][5]) && (runs[i][5] < 223))) + { + printf("test 3 failed, bit=%d run=%d num=%ld\n", + i,6,runs[i][5]); + err++; + } + } + printf("test 3 done\n"); + + /* test 4 */ + if (runs[0][33] != 0) + { + printf("test 4 failed, bit=%d run=%d num=%ld\n", + 0,34,runs[0][33]); + err++; + } + if (runs[1][33] != 0) + { + printf("test 4 failed, bit=%d run=%d num=%ld\n", + 1,34,runs[1][33]); + err++; + } + printf("test 4 done\n"); + err=((err)?1:0); + exit(err); + return(err); + } |