fips_desmovs.c

OpenSSL 0.9.8k 最新版OpenSSL

/* ====================================================================
 * Copyright (c) 2004 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
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 *    notice, this list of conditions and the following disclaimer. 
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 *    notice, this list of conditions and the following disclaimer in
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 *    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/)"
 *
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 *    endorse or promote products derived from this software without
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 *    [e-mail].
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 * 5. Products derived from this software may not be called "OpenSSL"
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 * 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/)"
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 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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/*---------------------------------------------
  NIST DES Modes of Operation Validation System
  Test Program

  Based on the AES Validation Suite, which was:
  Donated to OpenSSL by:
  V-ONE Corporation
  20250 Century Blvd, Suite 300
  Germantown, MD 20874
  U.S.A.
  ----------------------------------------------*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <ctype.h>
#include <openssl/des.h>
#include <openssl/evp.h>
#include <openssl/bn.h>

#include <openssl/err.h>
#include "e_os.h"

#ifndef OPENSSL_FIPS

int main(int argc, char *argv[])
{
    printf("No FIPS DES support\n");
    return(0);
}

#else

#include <openssl/fips.h>
#include "fips_utl.h"

#define DES_BLOCK_SIZE 8

#define VERBOSE 0

int DESTest(EVP_CIPHER_CTX *ctx,
	    char *amode, int akeysz, unsigned char *aKey, 
	    unsigned char *iVec, 
	    int dir,  /* 0 = decrypt, 1 = encrypt */
	    unsigned char *out, unsigned char *in, int len)
    {
    const EVP_CIPHER *cipher = NULL;

    if (akeysz != 192)
	{
	printf("Invalid key size: %d\n", akeysz);
	EXIT(1);
	}

    if (strcasecmp(amode, "CBC") == 0)
	cipher = EVP_des_ede3_cbc();
    else if (strcasecmp(amode, "ECB") == 0)
	cipher = EVP_des_ede3_ecb();
    else if (strcasecmp(amode, "CFB64") == 0)
	cipher = EVP_des_ede3_cfb64();
    else if (strncasecmp(amode, "OFB", 3) == 0)
	cipher = EVP_des_ede3_ofb();
#if 0
    else if(!strcasecmp(amode,"CFB1"))
	{
	ctx->cbits = 1;
	ctx->cmode = EVP_CIPH_CFB_MODE;
	}
#endif
    else if(!strcasecmp(amode,"CFB8"))
	cipher = EVP_des_ede3_cfb8();
    else
	{
	printf("Unknown mode: %s\n", amode);
	EXIT(1);
	}

    if (EVP_CipherInit_ex(ctx, cipher, NULL, aKey, iVec, dir) <= 0)
	return 0;
    EVP_Cipher(ctx, out, in, len);

    return 1;
    }

void DebugValue(char *tag, unsigned char *val, int len)
    {
    char obuf[2048];
    int olen;
    olen = bin2hex(val, len, obuf);
    printf("%s = %.*s\n", tag, olen, obuf);
    }

void shiftin(unsigned char *dst,unsigned char *src,int nbits)
    {
    int n;

    /* move the bytes... */
    memmove(dst,dst+nbits/8,3*8-nbits/8);
    /* append new data */
    memcpy(dst+3*8-nbits/8,src,(nbits+7)/8);
    /* left shift the bits */
    if(nbits%8)
	for(n=0 ; n < 3*8 ; ++n)
	    dst[n]=(dst[n] << (nbits%8))|(dst[n+1] >> (8-nbits%8));
    }	

/*-----------------------------------------------*/
char *t_tag[2] = {"PLAINTEXT", "CIPHERTEXT"};
char *t_mode[6] = {"CBC","ECB","OFB","CFB1","CFB8","CFB64"};
enum Mode {CBC, ECB, OFB, CFB1, CFB8, CFB64};
int Sizes[6]={64,64,64,1,8,64};

void do_mct(char *amode, 
	    int akeysz, int numkeys, unsigned char *akey,unsigned char *ivec,
	    int dir, unsigned char *text, int len,
	    FILE *rfp)
    {
    int i,imode;
    unsigned char nk[4*8]; /* longest key+8 */
    unsigned char text0[8];

    for (imode=0 ; imode < 6 ; ++imode)
	if(!strcmp(amode,t_mode[imode]))
	    break;
    if (imode == 6)
	{ 
	printf("Unrecognized mode: %s\n", amode);
	EXIT(1);
	}

    for(i=0 ; i < 400 ; ++i)
	{
	int j;
	int n;
	int kp=akeysz/64;
	unsigned char old_iv[8];
	EVP_CIPHER_CTX ctx;
	EVP_CIPHER_CTX_init(&ctx);

	fprintf(rfp,"\nCOUNT = %d\n",i);
	if(kp == 1)
	    OutputValue("KEY",akey,8,rfp,0);
	else
	    for(n=0 ; n < kp ; ++n)
		{
		fprintf(rfp,"KEY%d",n+1);
		OutputValue("",akey+n*8,8,rfp,0);
		}

	if(imode != ECB)
	    OutputValue("IV",ivec,8,rfp,0);
	OutputValue(t_tag[dir^1],text,len,rfp,imode == CFB1);

	/* compensate for endianness */
	if(imode == CFB1)
	    text[0]<<=7;

	memcpy(text0,text,8);

	for(j=0 ; j < 10000 ; ++j)
	    {
	    unsigned char old_text[8];

	    memcpy(old_text,text,8);
	    if(j == 0)
		{
		memcpy(old_iv,ivec,8);
		DESTest(&ctx,amode,akeysz,akey,ivec,dir,text,text,len);
		}
	    else
		{
		memcpy(old_iv,ctx.iv,8);
		EVP_Cipher(&ctx,text,text,len);
		}
	    if(j == 9999)
		{
		OutputValue(t_tag[dir],text,len,rfp,imode == CFB1);
		/*		memcpy(ivec,text,8); */
		}
	    /*	    DebugValue("iv",ctx.iv,8); */
	    /* accumulate material for the next key */
	    shiftin(nk,text,Sizes[imode]);
	    /*	    DebugValue("nk",nk,24);*/
	    if((dir && (imode == CFB1 || imode == CFB8 || imode == CFB64
			|| imode == CBC)) || imode == OFB)
		memcpy(text,old_iv,8);

	    if(!dir && (imode == CFB1 || imode == CFB8 || imode == CFB64))
		{
		/* the test specifies using the output of the raw DES operation
		   which we don't have, so reconstruct it... */
		for(n=0 ; n < 8 ; ++n)
		    text[n]^=old_text[n];
		}
	    }
	for(n=0 ; n < 8 ; ++n)
	    akey[n]^=nk[16+n];
	for(n=0 ; n < 8 ; ++n)
	    akey[8+n]^=nk[8+n];
	for(n=0 ; n < 8 ; ++n)
	    akey[16+n]^=nk[n];
	if(numkeys < 3)
	    memcpy(&akey[2*8],akey,8);
	if(numkeys < 2)
	    memcpy(&akey[8],akey,8);
	DES_set_odd_parity((DES_cblock *)akey);
	DES_set_odd_parity((DES_cblock *)(akey+8));
	DES_set_odd_parity((DES_cblock *)(akey+16));
	memcpy(ivec,ctx.iv,8);

	/* pointless exercise - the final text doesn't depend on the
	   initial text in OFB mode, so who cares what it is? (Who
	   designed these tests?) */
	if(imode == OFB)
	    for(n=0 ; n < 8 ; ++n)
		text[n]=text0[n]^old_iv[n];
	}
    }
    
int proc_file(char *rqfile, char *rspfile)
    {
    char afn[256], rfn[256];
    FILE *afp = NULL, *rfp = NULL;
    char ibuf[2048], tbuf[2048];
    int ilen, len, ret = 0;
    char amode[8] = "";
    char atest[100] = "";
    int akeysz=0;
    unsigned char iVec[20], aKey[40];
    int dir = -1, err = 0, step = 0;
    unsigned char plaintext[2048];
    unsigned char ciphertext[2048];
    char *rp;
    EVP_CIPHER_CTX ctx;
    int numkeys=1;
    EVP_CIPHER_CTX_init(&ctx);

    if (!rqfile || !(*rqfile))
	{
	printf("No req file\n");
	return -1;
	}
    strcpy(afn, rqfile);

    if ((afp = fopen(afn, "r")) == NULL)
	{
	printf("Cannot open file: %s, %s\n", 
	       afn, strerror(errno));
	return -1;
	}
    if (!rspfile)
	{
	strcpy(rfn,afn);
	rp=strstr(rfn,"req/");
#ifdef OPENSSL_SYS_WIN32
	if (!rp)
	    rp=strstr(rfn,"req\\");
#endif
	assert(rp);
	memcpy(rp,"rsp",3);
	rp = strstr(rfn, ".req");
	memcpy(rp, ".rsp", 4);
	rspfile = rfn;
	}
    if ((rfp = fopen(rspfile, "w")) == NULL)
	{
	printf("Cannot open file: %s, %s\n", 
	       rfn, strerror(errno));
	fclose(afp);
	afp = NULL;
	return -1;
	}
    while (!err && (fgets(ibuf, sizeof(ibuf), afp)) != NULL)
	{
	tidy_line(tbuf, ibuf);
	ilen = strlen(ibuf);
	/*	printf("step=%d ibuf=%s",step,ibuf);*/
	if(step == 3 && !strcmp(amode,"ECB"))
	    {
	    memset(iVec, 0, sizeof(iVec));
	    step = (dir)? 4: 5;  /* no ivec for ECB */
	    }
	switch (step)
	    {
	case 0:  /* read preamble */
	    if (ibuf[0] == '\n')
		{ /* end of preamble */
		if (*amode == '\0')
		    {
		    printf("Missing Mode\n");
		    err = 1;
		    }
		else
		    {
		    fputs(ibuf, rfp);
		    ++ step;
		    }
		}
	    else if (ibuf[0] != '#')
		{
		printf("Invalid preamble item: %s\n", ibuf);
		err = 1;
		}