Пример #1
0
int MAIN(int argc, char **argv)
	{
#ifndef OPENSSL_NO_ENGINE
	ENGINE *e = NULL;
#endif
	DSA *dsa=NULL;
	int i,badops=0,text=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,noout=0,C=0,ret=1;
	char *infile,*outfile,*prog,*inrand=NULL;
	int numbits= -1,num,genkey=0;
	int need_rand=0;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif
#ifdef GENCB_TEST
	int timebomb=0;
#endif

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	if (!load_config(bio_err, NULL))
		goto end;

	infile=NULL;
	outfile=NULL;
	informat=FORMAT_PEM;
	outformat=FORMAT_PEM;

	prog=argv[0];
	argc--;
	argv++;
	while (argc >= 1)
		{
		if 	(strcmp(*argv,"-inform") == 0)
			{
			if (--argc < 1) goto bad;
			informat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-outform") == 0)
			{
			if (--argc < 1) goto bad;
			outformat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
#ifndef OPENSSL_NO_ENGINE
		else if(strcmp(*argv, "-engine") == 0)
			{
			if (--argc < 1) goto bad;
			engine = *(++argv);
			}
#endif
#ifdef GENCB_TEST
		else if(strcmp(*argv, "-timebomb") == 0)
			{
			if (--argc < 1) goto bad;
			timebomb = atoi(*(++argv));
			}
#endif
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-C") == 0)
			C=1;
		else if (strcmp(*argv,"-genkey") == 0)
			{
			genkey=1;
			need_rand=1;
			}
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) goto bad;
			inrand= *(++argv);
			need_rand=1;
			}
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else if (sscanf(*argv,"%d",&num) == 1)
			{
			/* generate a key */
			numbits=num;
			need_rand=1;
			}
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
		BIO_printf(bio_err," -in arg       input file\n");
		BIO_printf(bio_err," -out arg      output file\n");
		BIO_printf(bio_err," -text         print as text\n");
		BIO_printf(bio_err," -C            Output C code\n");
		BIO_printf(bio_err," -noout        no output\n");
		BIO_printf(bio_err," -genkey       generate a DSA key\n");
		BIO_printf(bio_err," -rand         files to use for random number input\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
#endif
#ifdef GENCB_TEST
		BIO_printf(bio_err," -timebomb n   interrupt keygen after <n> seconds\n");
#endif
		BIO_printf(bio_err," number        number of bits to use for generating private key\n");
		goto end;
		}

	ERR_load_crypto_strings();

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (infile == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,infile) <= 0)
			{
			perror(infile);
			goto end;
			}
		}
	if (outfile == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			perror(outfile);
			goto end;
			}
		}

#ifndef OPENSSL_NO_ENGINE
        e = setup_engine(bio_err, engine, 0);
#endif

	if (need_rand)
		{
		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
		if (inrand != NULL)
			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
				app_RAND_load_files(inrand));
		}

	if (numbits > 0)
		{
		BN_GENCB cb;
		BN_GENCB_set(&cb, dsa_cb, bio_err);
		assert(need_rand);
		dsa = DSA_new();
		if(!dsa)
			{
			BIO_printf(bio_err,"Error allocating DSA object\n");
			goto end;
			}
		BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
	        BIO_printf(bio_err,"This could take some time\n");
#ifdef GENCB_TEST
		if(timebomb > 0)
	{
		struct sigaction act;
		act.sa_handler = timebomb_sigalarm;
		act.sa_flags = 0;
		BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n",
				timebomb);
		if(sigaction(SIGALRM, &act, NULL) != 0)
			{
			BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n");
			goto end;
			}
		alarm(timebomb);
	}
#endif
	        if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))
			{
#ifdef GENCB_TEST
			if(stop_keygen_flag)
				{
				BIO_printf(bio_err,"DSA key generation time-stopped\n");
				/* This is an asked-for behaviour! */
				ret = 0;
				goto end;
				}
#endif
			BIO_printf(bio_err,"Error, DSA key generation failed\n");
			goto end;
			}
		}
	else if	(informat == FORMAT_ASN1)
		dsa=d2i_DSAparams_bio(in,NULL);
	else if (informat == FORMAT_PEM)
		dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified\n");
		goto end;
		}
	if (dsa == NULL)
		{
		BIO_printf(bio_err,"unable to load DSA parameters\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	if (text)
		{
		DSAparams_print(out,dsa);
		}
	
	if (C)
		{
		unsigned char *data;
		int l,len,bits_p,bits_q,bits_g;

		len=BN_num_bytes(dsa->p);
		bits_p=BN_num_bits(dsa->p);
		bits_q=BN_num_bits(dsa->q);
		bits_g=BN_num_bits(dsa->g);
		data=(unsigned char *)OPENSSL_malloc(len+20);
		if (data == NULL)
			{
			perror("OPENSSL_malloc");
			goto end;
			}
		l=BN_bn2bin(dsa->p,data);
		printf("static unsigned char dsa%d_p[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->q,data);
		printf("static unsigned char dsa%d_q[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->g,data);
		printf("static unsigned char dsa%d_g[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n\n");

		printf("DSA *get_dsa%d()\n\t{\n",bits_p);
		printf("\tDSA *dsa;\n\n");
		printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
		printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
			bits_p,bits_p);
		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
		printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
		printf("\treturn(dsa);\n\t}\n");
		}


	if (!noout)
		{
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAparams_bio(out,dsa);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAparams(out,dsa);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		if (!i)
			{
			BIO_printf(bio_err,"unable to write DSA parameters\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		}
	if (genkey)
		{
		DSA *dsakey;

		assert(need_rand);
		if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
		if (!DSA_generate_key(dsakey)) goto end;
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAPrivateKey_bio(out,dsakey);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		DSA_free(dsakey);
		}
	if (need_rand)
		app_RAND_write_file(NULL, bio_err);
	ret=0;
end:
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	if (dsa != NULL) DSA_free(dsa);
	apps_shutdown();
	OPENSSL_EXIT(ret);
	}
Пример #2
0
int MAIN(int argc, char **argv)
{
#ifndef OPENSSL_NO_ENGINE
    ENGINE *e = NULL;
#endif
    int ret=1;
    DSA *dsa=NULL;
    int i,badops=0;
    const EVP_CIPHER *enc=NULL;
    BIO *in=NULL,*out=NULL;
    int informat,outformat,text=0,noout=0;
    int pubin = 0, pubout = 0;
    char *infile,*outfile,*prog;
#ifndef OPENSSL_NO_ENGINE
    char *engine;
#endif
    char *passargin = NULL, *passargout = NULL;
    char *passin = NULL, *passout = NULL;
    int modulus=0;

    apps_startup();

    if (bio_err == NULL)
        if ((bio_err=BIO_new(BIO_s_file())) != NULL)
            BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

    if (!load_config(bio_err, NULL))
        goto end;

#ifndef OPENSSL_NO_ENGINE
    engine=NULL;
#endif
    infile=NULL;
    outfile=NULL;
    informat=FORMAT_PEM;
    outformat=FORMAT_PEM;

    prog=argv[0];
    argc--;
    argv++;
    while (argc >= 1)
    {
        if 	(strcmp(*argv,"-inform") == 0)
        {
            if (--argc < 1) goto bad;
            informat=str2fmt(*(++argv));
        }
        else if (strcmp(*argv,"-outform") == 0)
        {
            if (--argc < 1) goto bad;
            outformat=str2fmt(*(++argv));
        }
        else if (strcmp(*argv,"-in") == 0)
        {
            if (--argc < 1) goto bad;
            infile= *(++argv);
        }
        else if (strcmp(*argv,"-out") == 0)
        {
            if (--argc < 1) goto bad;
            outfile= *(++argv);
        }
        else if (strcmp(*argv,"-passin") == 0)
        {
            if (--argc < 1) goto bad;
            passargin= *(++argv);
        }
        else if (strcmp(*argv,"-passout") == 0)
        {
            if (--argc < 1) goto bad;
            passargout= *(++argv);
        }
#ifndef OPENSSL_NO_ENGINE
        else if (strcmp(*argv,"-engine") == 0)
        {
            if (--argc < 1) goto bad;
            engine= *(++argv);
        }
#endif
        else if (strcmp(*argv,"-noout") == 0)
            noout=1;
        else if (strcmp(*argv,"-text") == 0)
            text=1;
        else if (strcmp(*argv,"-modulus") == 0)
            modulus=1;
        else if (strcmp(*argv,"-pubin") == 0)
            pubin=1;
        else if (strcmp(*argv,"-pubout") == 0)
            pubout=1;
        else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
        {
            BIO_printf(bio_err,"unknown option %s\n",*argv);
            badops=1;
            break;
        }
        argc--;
        argv++;
    }

    if (badops)
    {
bad:
        BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
        BIO_printf(bio_err,"where options are\n");
        BIO_printf(bio_err," -inform arg     input format - DER or PEM\n");
        BIO_printf(bio_err," -outform arg    output format - DER or PEM\n");
        BIO_printf(bio_err," -in arg         input file\n");
        BIO_printf(bio_err," -passin arg     input file pass phrase source\n");
        BIO_printf(bio_err," -out arg        output file\n");
        BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
#ifndef OPENSSL_NO_ENGINE
        BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
#endif
        BIO_printf(bio_err," -des            encrypt PEM output with cbc des\n");
        BIO_printf(bio_err," -des3           encrypt PEM output with ede cbc des using 168 bit key\n");
#ifndef OPENSSL_NO_IDEA
        BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\n");
#endif
#ifndef OPENSSL_NO_AES
        BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
        BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
#endif
        BIO_printf(bio_err," -text           print the key in text\n");
        BIO_printf(bio_err," -noout          don't print key out\n");
        BIO_printf(bio_err," -modulus        print the DSA public value\n");
        goto end;
    }

    ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
    e = setup_engine(bio_err, engine, 0);
#endif

    if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }

    in=BIO_new(BIO_s_file());
    out=BIO_new(BIO_s_file());
    if ((in == NULL) || (out == NULL))
    {
        ERR_print_errors(bio_err);
        goto end;
    }

    if (infile == NULL)
        BIO_set_fp(in,stdin,BIO_NOCLOSE);
    else
    {
        if (BIO_read_filename(in,infile) <= 0)
        {
            perror(infile);
            goto end;
        }
    }

    BIO_printf(bio_err,"read DSA key\n");
    if	(informat == FORMAT_ASN1) {
        if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
        else dsa=d2i_DSAPrivateKey_bio(in,NULL);
    } else if (informat == FORMAT_PEM) {
        if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
        else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
    } else
    {
        BIO_printf(bio_err,"bad input format specified for key\n");
        goto end;
    }
    if (dsa == NULL)
    {
        BIO_printf(bio_err,"unable to load Key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    if (outfile == NULL)
    {
        BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
        {
            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
            out = BIO_push(tmpbio, out);
        }
#endif
    }
    else
    {
        if (BIO_write_filename(out,outfile) <= 0)
        {
            perror(outfile);
            goto end;
        }
    }

    if (text)
        if (!DSA_print(out,dsa,0))
        {
            perror(outfile);
            ERR_print_errors(bio_err);
            goto end;
        }

    if (modulus)
    {
        fprintf(stdout,"Public Key=");
        BN_print(out,dsa->pub_key);
        fprintf(stdout,"\n");
    }

    if (noout) goto end;
    BIO_printf(bio_err,"writing DSA key\n");
    if 	(outformat == FORMAT_ASN1) {
        if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
        else i=i2d_DSAPrivateKey_bio(out,dsa);
    } else if (outformat == FORMAT_PEM) {
        if(pubin || pubout)
            i=PEM_write_bio_DSA_PUBKEY(out,dsa);
        else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
                                               NULL,0,NULL, passout);
    } else {
        BIO_printf(bio_err,"bad output format specified for outfile\n");
        goto end;
    }
    if (!i)
    {
        BIO_printf(bio_err,"unable to write private key\n");
        ERR_print_errors(bio_err);
    }
    else
        ret=0;
end:
    if(in != NULL) BIO_free(in);
    if(out != NULL) BIO_free_all(out);
    if(dsa != NULL) DSA_free(dsa);
    if(passin) OPENSSL_free(passin);
    if(passout) OPENSSL_free(passout);
    apps_shutdown();
    OPENSSL_EXIT(ret);
}
Пример #3
0
int MAIN(int argc, char **argv)
{
    ENGINE *e = NULL;
    int ret=1;
    DSA *dsa=NULL;
    int i,badops=0;
    const EVP_CIPHER *enc=NULL;
    BIO *in=NULL,*out=NULL;
    int informat,outformat,text=0,noout=0;
    int pubin = 0, pubout = 0;
    char *infile,*outfile,*prog;
#ifndef OPENSSL_NO_ENGINE
    char *engine;
#endif
    char *passargin = NULL, *passargout = NULL;
    char *passin = NULL, *passout = NULL;
    int modulus=0;

    int pvk_encr = 2;

    apps_startup();

    if (bio_err == NULL)
        if ((bio_err=BIO_new(BIO_s_file())) != NULL)
            BIO_set_fp(bio_err,OPENSSL_TYPE__FILE_STDERR,BIO_NOCLOSE|BIO_FP_TEXT);

    if (!load_config(bio_err, NULL))
        goto end;

#ifndef OPENSSL_NO_ENGINE
    engine=NULL;
#endif
    infile=NULL;
    outfile=NULL;
    informat=FORMAT_PEM;
    outformat=FORMAT_PEM;

    prog=argv[0];
    argc--;
    argv++;
    while (argc >= 1)
    {
        if 	(TINYCLR_SSL_STRCMP(*argv,"-inform") == 0)
        {
            if (--argc < 1) goto bad;
            informat=str2fmt(*(++argv));
        }
        else if (TINYCLR_SSL_STRCMP(*argv,"-outform") == 0)
        {
            if (--argc < 1) goto bad;
            outformat=str2fmt(*(++argv));
        }
        else if (TINYCLR_SSL_STRCMP(*argv,"-in") == 0)
        {
            if (--argc < 1) goto bad;
            infile= *(++argv);
        }
        else if (TINYCLR_SSL_STRCMP(*argv,"-out") == 0)
        {
            if (--argc < 1) goto bad;
            outfile= *(++argv);
        }
        else if (TINYCLR_SSL_STRCMP(*argv,"-passin") == 0)
        {
            if (--argc < 1) goto bad;
            passargin= *(++argv);
        }
        else if (TINYCLR_SSL_STRCMP(*argv,"-passout") == 0)
        {
            if (--argc < 1) goto bad;
            passargout= *(++argv);
        }
#ifndef OPENSSL_NO_ENGINE
        else if (TINYCLR_SSL_STRCMP(*argv,"-engine") == 0)
        {
            if (--argc < 1) goto bad;
            engine= *(++argv);
        }
#endif
        else if (TINYCLR_SSL_STRCMP(*argv,"-pvk-strong") == 0)
            pvk_encr=2;
        else if (TINYCLR_SSL_STRCMP(*argv,"-pvk-weak") == 0)
            pvk_encr=1;
        else if (TINYCLR_SSL_STRCMP(*argv,"-pvk-none") == 0)
            pvk_encr=0;
        else if (TINYCLR_SSL_STRCMP(*argv,"-noout") == 0)
            noout=1;
        else if (TINYCLR_SSL_STRCMP(*argv,"-text") == 0)
            text=1;
        else if (TINYCLR_SSL_STRCMP(*argv,"-modulus") == 0)
            modulus=1;
        else if (TINYCLR_SSL_STRCMP(*argv,"-pubin") == 0)
            pubin=1;
        else if (TINYCLR_SSL_STRCMP(*argv,"-pubout") == 0)
            pubout=1;
        else if ((enc=EVP_get_cipherbyname(&(argv[0][1]))) == NULL)
        {
            BIO_printf(bio_err,"unknown option %s\n",*argv);
            badops=1;
            break;
        }
        argc--;
        argv++;
    }

    if (badops)
    {
bad:
        BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
        BIO_printf(bio_err,"where options are\n");
        BIO_printf(bio_err," -inform arg     input format - DER or PEM\n");
        BIO_printf(bio_err," -outform arg    output format - DER or PEM\n");
        BIO_printf(bio_err," -in arg         input file\n");
        BIO_printf(bio_err," -passin arg     input file pass phrase source\n");
        BIO_printf(bio_err," -out arg        output file\n");
        BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
#ifndef OPENSSL_NO_ENGINE
        BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
#endif
        BIO_printf(bio_err," -des            encrypt PEM output with cbc des\n");
        BIO_printf(bio_err," -des3           encrypt PEM output with ede cbc des using 168 bit key\n");
#ifndef OPENSSL_NO_IDEA
        BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\n");
#endif
#ifndef OPENSSL_NO_AES
        BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
        BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
        BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
        BIO_printf(bio_err,"                 encrypt PEM output with cbc camellia\n");
#endif
#ifndef OPENSSL_NO_SEED
        BIO_printf(bio_err," -seed           encrypt PEM output with cbc seed\n");
#endif
        BIO_printf(bio_err," -text           print the key in text\n");
        BIO_printf(bio_err," -noout          don't print key out\n");
        BIO_printf(bio_err," -modulus        print the DSA public value\n");
        goto end;
    }

    ERR_load_crypto_strings();

#ifndef OPENSSL_NO_ENGINE
    e = setup_engine(bio_err, engine, 0);
#endif

    if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }

    in=BIO_new(BIO_s_file());
    out=BIO_new(BIO_s_file());
    if ((in == NULL) || (out == NULL))
    {
        ERR_print_errors(bio_err);
        goto end;
    }

    if (infile == NULL)
        BIO_set_fp(in,OPENSSL_TYPE__FILE_STDIN,BIO_NOCLOSE);
    else
    {
        if (BIO_read_filename(in,infile) <= 0)
        {
            TINYCLR_SSL_PERROR(infile);
            goto end;
        }
    }

    BIO_printf(bio_err,"read DSA key\n");

    {
        EVP_PKEY	*pkey;

        if (pubin)
            pkey = load_pubkey(bio_err, infile, informat, 1,
                               passin, e, "Public Key");
        else
            pkey = load_key(bio_err, infile, informat, 1,
                            passin, e, "Private Key");

        if (pkey)
        {
            dsa = EVP_PKEY_get1_DSA(pkey);
            EVP_PKEY_free(pkey);
        }
    }
    if (dsa == NULL)
    {
        BIO_printf(bio_err,"unable to load Key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    if (outfile == NULL)
    {
        BIO_set_fp(out,OPENSSL_TYPE__FILE_STDOUT,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
        {
            BIO *tmpbio = BIO_new(BIO_f_linebuffer());
            out = BIO_push(tmpbio, out);
        }
#endif
    }
    else
    {
        if (BIO_write_filename(out,outfile) <= 0)
        {
            TINYCLR_SSL_PERROR(outfile);
            goto end;
        }
    }

    if (text)
        if (!DSA_print(out,dsa,0))
        {
            TINYCLR_SSL_PERROR(outfile);
            ERR_print_errors(bio_err);
            goto end;
        }

    if (modulus)
    {
        TINYCLR_SSL_FPRINTF(OPENSSL_TYPE__FILE_STDOUT,"Public Key=");
        BN_print(out,dsa->pub_key);
        TINYCLR_SSL_FPRINTF(OPENSSL_TYPE__FILE_STDOUT,"\n");
    }

    if (noout) goto end;
    BIO_printf(bio_err,"writing DSA key\n");
    if 	(outformat == FORMAT_ASN1) {
        if(pubin || pubout) i=i2d_DSA_PUBKEY_bio(out,dsa);
        else i=i2d_DSAPrivateKey_bio(out,dsa);
    } else if (outformat == FORMAT_PEM) {
        if(pubin || pubout)
            i=PEM_write_bio_DSA_PUBKEY(out,dsa);
        else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
                                               NULL,0,NULL, passout);
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
    } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
        EVP_PKEY *pk;
        pk = EVP_PKEY_new();
        EVP_PKEY_set1_DSA(pk, dsa);
        if (outformat == FORMAT_PVK)
            i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
        else if (pubin || pubout)
            i = i2b_PublicKey_bio(out, pk);
        else
            i = i2b_PrivateKey_bio(out, pk);
        EVP_PKEY_free(pk);
#endif
    } else {
        BIO_printf(bio_err,"bad output format specified for outfile\n");
        goto end;
    }
    if (i <= 0)
    {
        BIO_printf(bio_err,"unable to write private key\n");
        ERR_print_errors(bio_err);
    }
    else
        ret=0;
end:
    if(in != NULL) BIO_free(in);
    if(out != NULL) BIO_free_all(out);
    if(dsa != NULL) DSA_free(dsa);
    if(passin) OPENSSL_free(passin);
    if(passout) OPENSSL_free(passout);
    apps_shutdown();
    OPENSSL_EXIT(ret);
}
Пример #4
0
int
dsa_main(int argc, char **argv)
{
	int ret = 1;
	DSA *dsa = NULL;
	int i;
	BIO *in = NULL, *out = NULL;
	char *passin = NULL, *passout = NULL;

	memset(&dsa_config, 0, sizeof(dsa_config));

	dsa_config.pvk_encr = 2;
	dsa_config.informat = FORMAT_PEM;
	dsa_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, dsa_options, NULL, NULL) != 0) {
		dsa_usage();
		goto end;
	}

	if (!app_passwd(bio_err, dsa_config.passargin, dsa_config.passargout,
	    &passin, &passout)) {
		BIO_printf(bio_err, "Error getting passwords\n");
		goto end;
	}

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if (in == NULL || out == NULL) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsa_config.infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, dsa_config.infile) <= 0) {
			perror(dsa_config.infile);
			goto end;
		}
	}

	BIO_printf(bio_err, "read DSA key\n");

	{
		EVP_PKEY *pkey;

		if (dsa_config.pubin)
			pkey = load_pubkey(bio_err, dsa_config.infile,
			    dsa_config.informat, 1, passin, "Public Key");
		else
			pkey = load_key(bio_err, dsa_config.infile,
			    dsa_config.informat, 1, passin, "Private Key");

		if (pkey) {
			dsa = EVP_PKEY_get1_DSA(pkey);
			EVP_PKEY_free(pkey);
		}
	}
	if (dsa == NULL) {
		BIO_printf(bio_err, "unable to load Key\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsa_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, dsa_config.outfile) <= 0) {
			perror(dsa_config.outfile);
			goto end;
		}
	}

	if (dsa_config.text) {
		if (!DSA_print(out, dsa, 0)) {
			perror(dsa_config.outfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (dsa_config.modulus) {
		fprintf(stdout, "Public Key=");
		BN_print(out, dsa->pub_key);
		fprintf(stdout, "\n");
	}
	if (dsa_config.noout)
		goto end;
	BIO_printf(bio_err, "writing DSA key\n");
	if (dsa_config.outformat == FORMAT_ASN1) {
		if (dsa_config.pubin || dsa_config.pubout)
			i = i2d_DSA_PUBKEY_bio(out, dsa);
		else
			i = i2d_DSAPrivateKey_bio(out, dsa);
	} else if (dsa_config.outformat == FORMAT_PEM) {
		if (dsa_config.pubin || dsa_config.pubout)
			i = PEM_write_bio_DSA_PUBKEY(out, dsa);
		else
			i = PEM_write_bio_DSAPrivateKey(out, dsa, dsa_config.enc,
			    NULL, 0, NULL, passout);
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
	} else if (dsa_config.outformat == FORMAT_MSBLOB ||
	    dsa_config.outformat == FORMAT_PVK) {
		EVP_PKEY *pk;
		pk = EVP_PKEY_new();
		EVP_PKEY_set1_DSA(pk, dsa);
		if (dsa_config.outformat == FORMAT_PVK)
			i = i2b_PVK_bio(out, pk, dsa_config.pvk_encr, 0,
			    passout);
		else if (dsa_config.pubin || dsa_config.pubout)
			i = i2b_PublicKey_bio(out, pk);
		else
			i = i2b_PrivateKey_bio(out, pk);
		EVP_PKEY_free(pk);
#endif
	} else {
		BIO_printf(bio_err, "bad output format specified for outfile\n");
		goto end;
	}
	if (i <= 0) {
		BIO_printf(bio_err, "unable to write private key\n");
		ERR_print_errors(bio_err);
	} else
		ret = 0;
end:
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (dsa != NULL)
		DSA_free(dsa);
	free(passin);
	free(passout);

	return (ret);
}
Пример #5
0
int dsaparam_main(int argc, char **argv)
{
    DSA *dsa = NULL;
    BIO *in = NULL, *out = NULL;
    BN_GENCB *cb = NULL;
    int numbits = -1, num, genkey = 0, need_rand = 0, non_fips_allow = 0;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0, ret =
        1;
    int i, text = 0;
# ifdef GENCB_TEST
    int timebomb = 0;
# endif
    char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL;
    OPTION_CHOICE o;

    prog = opt_init(argc, argv, dsaparam_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
 opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(dsaparam_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_ENGINE:
            (void)setup_engine(opt_arg(), 0);
            break;
        case OPT_TIMEBOMB:
# ifdef GENCB_TEST
            timebomb = atoi(opt_arg());
            break;
# endif
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_C:
            C = 1;
            break;
        case OPT_GENKEY:
            genkey = need_rand = 1;
            break;
        case OPT_RAND:
            inrand = opt_arg();
            need_rand = 1;
            break;
        case OPT_NOOUT:
            noout = 1;
            break;
        case OPT_NON_FIPS_ALLOW:
            non_fips_allow = 1;
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (argc == 1) {
        if (!opt_int(argv[0], &num))
            goto end;
        /* generate a key */
        numbits = num;
        need_rand = 1;
    }

    in = bio_open_default(infile, "r");
    if (in == NULL)
        goto end;
    out = bio_open_default(outfile, "w");
    if (out == NULL)
        goto end;

    if (need_rand) {
        app_RAND_load_file(NULL, (inrand != NULL));
        if (inrand != NULL)
            BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
                       app_RAND_load_files(inrand));
    }

    if (numbits > 0) {
        cb = BN_GENCB_new();
        if (!cb) {
            BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
            goto end;
        }
        BN_GENCB_set(cb, dsa_cb, bio_err);
        assert(need_rand);
        dsa = DSA_new();
        if (!dsa) {
            BIO_printf(bio_err, "Error allocating DSA object\n");
            goto end;
        }
        if (non_fips_allow)
            dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
        BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
                   num);
        BIO_printf(bio_err, "This could take some time\n");
# ifdef GENCB_TEST
        if (timebomb > 0) {
            struct sigaction act;
            act.sa_handler = timebomb_sigalarm;
            act.sa_flags = 0;
            BIO_printf(bio_err,
                       "(though I'll stop it if not done within %d secs)\n",
                       timebomb);
            if (sigaction(SIGALRM, &act, NULL) != 0) {
                BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n");
                goto end;
            }
            alarm(timebomb);
        }
# endif
        if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
# ifdef GENCB_TEST
            if (stop_keygen_flag) {
                BIO_printf(bio_err, "DSA key generation time-stopped\n");
                /* This is an asked-for behaviour! */
                ret = 0;
                goto end;
            }
# endif
            ERR_print_errors(bio_err);
            BIO_printf(bio_err, "Error, DSA key generation failed\n");
            goto end;
        }
    } else if (informat == FORMAT_ASN1)
        dsa = d2i_DSAparams_bio(in, NULL);
    else
        dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
    if (dsa == NULL) {
        BIO_printf(bio_err, "unable to load DSA parameters\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    if (text) {
        DSAparams_print(out, dsa);
    }

    if (C) {
        unsigned char *data;
        int len, bits_p;

        len = BN_num_bytes(dsa->p);
        bits_p = BN_num_bits(dsa->p);
        data = (unsigned char *)OPENSSL_malloc(len + 20);
        if (data == NULL) {
            perror("OPENSSL_malloc");
            goto end;
        }

        BIO_printf(bio_out, "DSA *get_dsa%d()\n{\n", bits_p);
        print_bignum_var(bio_out, dsa->p, "dsap", len, data);
        print_bignum_var(bio_out, dsa->q, "dsaq", len, data);
        print_bignum_var(bio_out, dsa->g, "dsag", len, data);
        BIO_printf(bio_out, "    DSA *dsa = DSA_new();\n"
                            "\n");
        BIO_printf(bio_out, "    if (dsa == NULL)\n"
                            "        return NULL;\n");
        BIO_printf(bio_out, "    dsa->p = BN_bin2bn(dsap_%d, sizeof (dsap_%d), NULL);\n",
               bits_p, bits_p);
        BIO_printf(bio_out, "    dsa->q = BN_bin2bn(dsaq_%d, sizeof (dsaq_%d), NULL);\n",
               bits_p, bits_p);
        BIO_printf(bio_out, "    dsa->g = BN_bin2bn(dsag_%d, sizeof (dsag_%d), NULL);\n",
               bits_p, bits_p);
        BIO_printf(bio_out, "    if (!dsa->p || !dsa->q || !dsa->g) {\n"
                            "        DSA_free(dsa);\n"
                            "        return NULL;\n"
                            "    }\n"
                            "    return(dsa);\n}\n");
    }

    if (!noout) {
        if (outformat == FORMAT_ASN1)
            i = i2d_DSAparams_bio(out, dsa);
        else
            i = PEM_write_bio_DSAparams(out, dsa);
        if (!i) {
            BIO_printf(bio_err, "unable to write DSA parameters\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    if (genkey) {
        DSA *dsakey;

        assert(need_rand);
        if ((dsakey = DSAparams_dup(dsa)) == NULL)
            goto end;
        if (non_fips_allow)
            dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
        if (!DSA_generate_key(dsakey)) {
            ERR_print_errors(bio_err);
            DSA_free(dsakey);
            goto end;
        }
        if (outformat == FORMAT_ASN1)
            i = i2d_DSAPrivateKey_bio(out, dsakey);
        else
            i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
                                            NULL);
        DSA_free(dsakey);
    }
    if (need_rand)
        app_RAND_write_file(NULL);
    ret = 0;
 end:
    if (cb != NULL)
        BN_GENCB_free(cb);
    BIO_free(in);
    BIO_free_all(out);
    DSA_free(dsa);
    return (ret);
}
Пример #6
0
int
dsaparam_main(int argc, char **argv)
{
	DSA *dsa = NULL;
	int i;
	BIO *in = NULL, *out = NULL;
	int ret = 1;
	int numbits = -1;
	char *strbits = NULL;

	if (single_execution) {
		if (pledge("stdio cpath wpath rpath", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

	memset(&dsaparam_config, 0, sizeof(dsaparam_config));

	dsaparam_config.informat = FORMAT_PEM;
	dsaparam_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, dsaparam_options, &strbits, NULL) != 0) {
		dsaparam_usage();
		goto end;
	}

	if (strbits != NULL) {
		const char *errstr;
		numbits = strtonum(strbits, 0, INT_MAX, &errstr);
		if (errstr) {
			fprintf(stderr, "Invalid number of bits: %s", errstr);
			goto end;
		}
	}

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if (in == NULL || out == NULL) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsaparam_config.infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, dsaparam_config.infile) <= 0) {
			perror(dsaparam_config.infile);
			goto end;
		}
	}
	if (dsaparam_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, dsaparam_config.outfile) <= 0) {
			perror(dsaparam_config.outfile);
			goto end;
		}
	}

	if (numbits > 0) {
		BN_GENCB cb;
		BN_GENCB_set(&cb, dsa_cb, bio_err);
		dsa = DSA_new();
		if (!dsa) {
			BIO_printf(bio_err, "Error allocating DSA object\n");
			goto end;
		}
		BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", numbits);
		BIO_printf(bio_err, "This could take some time\n");
		if (!DSA_generate_parameters_ex(dsa, numbits, NULL, 0, NULL, NULL, &cb)) {
			ERR_print_errors(bio_err);
			BIO_printf(bio_err, "Error, DSA key generation failed\n");
			goto end;
		}
	} else if (dsaparam_config.informat == FORMAT_ASN1)
		dsa = d2i_DSAparams_bio(in, NULL);
	else if (dsaparam_config.informat == FORMAT_PEM)
		dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
	else {
		BIO_printf(bio_err, "bad input format specified\n");
		goto end;
	}
	if (dsa == NULL) {
		BIO_printf(bio_err, "unable to load DSA parameters\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsaparam_config.text) {
		DSAparams_print(out, dsa);
	}
	if (dsaparam_config.C) {
		unsigned char *data;
		int l, len, bits_p;

		len = BN_num_bytes(dsa->p);
		bits_p = BN_num_bits(dsa->p);
		data = malloc(len + 20);
		if (data == NULL) {
			perror("malloc");
			goto end;
		}
		l = BN_bn2bin(dsa->p, data);
		printf("static unsigned char dsa%d_p[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		printf("\n\t};\n");

		l = BN_bn2bin(dsa->q, data);
		printf("static unsigned char dsa%d_q[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		printf("\n\t};\n");

		l = BN_bn2bin(dsa->g, data);
		printf("static unsigned char dsa%d_g[] = {", bits_p);
		for (i = 0; i < l; i++) {
			if ((i % 12) == 0)
				printf("\n\t");
			printf("0x%02X, ", data[i]);
		}
		free(data);
		printf("\n\t};\n\n");

		printf("DSA *get_dsa%d()\n\t{\n", bits_p);
		printf("\tDSA *dsa;\n\n");
		printf("\tif ((dsa = DSA_new()) == NULL) return(NULL);\n");
		printf("\tdsa->p = BN_bin2bn(dsa%d_p, sizeof(dsa%d_p), NULL);\n",
		    bits_p, bits_p);
		printf("\tdsa->q = BN_bin2bn(dsa%d_q, sizeof(dsa%d_q), NULL);\n",
		    bits_p, bits_p);
		printf("\tdsa->g = BN_bin2bn(dsa%d_g, sizeof(dsa%d_g), NULL);\n",
		    bits_p, bits_p);
		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
		printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
		printf("\treturn(dsa);\n\t}\n");
	}
	if (!dsaparam_config.noout) {
		if (dsaparam_config.outformat == FORMAT_ASN1)
			i = i2d_DSAparams_bio(out, dsa);
		else if (dsaparam_config.outformat == FORMAT_PEM)
			i = PEM_write_bio_DSAparams(out, dsa);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			goto end;
		}
		if (!i) {
			BIO_printf(bio_err, "unable to write DSA parameters\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (dsaparam_config.genkey) {
		DSA *dsakey;

		if ((dsakey = DSAparams_dup(dsa)) == NULL)
			goto end;
		if (!DSA_generate_key(dsakey)) {
			ERR_print_errors(bio_err);
			DSA_free(dsakey);
			goto end;
		}
		if (dsaparam_config.outformat == FORMAT_ASN1)
			i = i2d_DSAPrivateKey_bio(out, dsakey);
		else if (dsaparam_config.outformat == FORMAT_PEM)
			i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL, NULL);
		else {
			BIO_printf(bio_err, "bad output format specified for outfile\n");
			DSA_free(dsakey);
			goto end;
		}
		DSA_free(dsakey);
	}
	ret = 0;

end:
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (dsa != NULL)
		DSA_free(dsa);

	return (ret);
}
Пример #7
0
int dsa_main(int argc, char **argv)
{
    BIO *out = NULL;
    DSA *dsa = NULL;
    ENGINE *e = NULL;
    const EVP_CIPHER *enc = NULL;
    char *infile = NULL, *outfile = NULL, *prog;
    char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
    OPTION_CHOICE o;
    int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
    int i, modulus = 0, pubin = 0, pubout = 0, pvk_encr = 2, ret = 1;

    prog = opt_init(argc, argv, dsa_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
#ifdef OPENSSL_NO_RC4
        case OPT_PVK_STRONG:
        case OPT_PVK_WEAK:
        case OPT_PVK_NONE:
#endif
 opthelp:
            ret = 0;
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(dsa_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format
                (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUTFORM:
            if (!opt_format
                (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_PASSIN:
            passinarg = opt_arg();
            break;
        case OPT_PASSOUT:
            passoutarg = opt_arg();
            break;
#ifndef OPENSSL_NO_RC4
        case OPT_PVK_STRONG:
            pvk_encr = 2;
            break;
        case OPT_PVK_WEAK:
            pvk_encr = 1;
            break;
        case OPT_PVK_NONE:
            pvk_encr = 0;
            break;
#endif
        case OPT_NOOUT:
            noout = 1;
            break;
        case OPT_TEXT:
            text = 1;
            break;
        case OPT_MODULUS:
            modulus = 1;
            break;
        case OPT_PUBIN:
            pubin = 1;
            break;
        case OPT_PUBOUT:
            pubout = 1;
            break;
        case OPT_CIPHER:
            if (!opt_cipher(opt_unknown(), &enc))
                goto end;
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
        BIO_printf(bio_err, "Error getting passwords\n");
        goto end;
    }

    BIO_printf(bio_err, "read DSA key\n");
    {
        EVP_PKEY *pkey;

        if (pubin)
            pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
        else
            pkey = load_key(infile, informat, 1, passin, e, "Private Key");

        if (pkey) {
            dsa = EVP_PKEY_get1_DSA(pkey);
            EVP_PKEY_free(pkey);
        }
    }
    if (dsa == NULL) {
        BIO_printf(bio_err, "unable to load Key\n");
        ERR_print_errors(bio_err);
        goto end;
    }

    out = bio_open_default(outfile, "w");
    if (out == NULL)
        goto end;

    if (text)
        if (!DSA_print(out, dsa, 0)) {
            perror(outfile);
            ERR_print_errors(bio_err);
            goto end;
        }

    if (modulus) {
        BIO_printf(out, "Public Key=");
        BN_print(out, dsa->pub_key);
        BIO_printf(out, "\n");
    }

    if (noout) {
        ret = 0;
        goto end;
    }
    BIO_printf(bio_err, "writing DSA key\n");
    if (outformat == FORMAT_ASN1) {
        if (pubin || pubout)
            i = i2d_DSA_PUBKEY_bio(out, dsa);
        else
            i = i2d_DSAPrivateKey_bio(out, dsa);
    } else if (outformat == FORMAT_PEM) {
        if (pubin || pubout)
            i = PEM_write_bio_DSA_PUBKEY(out, dsa);
        else
            i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
                                            NULL, 0, NULL, passout);
# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
    } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
        EVP_PKEY *pk;
        pk = EVP_PKEY_new();
        EVP_PKEY_set1_DSA(pk, dsa);
        if (outformat == FORMAT_PVK)
            i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
        else if (pubin || pubout)
            i = i2b_PublicKey_bio(out, pk);
        else
            i = i2b_PrivateKey_bio(out, pk);
        EVP_PKEY_free(pk);
# endif
    } else {
        BIO_printf(bio_err, "bad output format specified for outfile\n");
        goto end;
    }
    if (i <= 0) {
        BIO_printf(bio_err, "unable to write private key\n");
        ERR_print_errors(bio_err);
        goto end;
    }
    ret = 0;
 end:
    BIO_free_all(out);
    DSA_free(dsa);
    if (passin)
        OPENSSL_free(passin);
    if (passout)
        OPENSSL_free(passout);
    return (ret);
}
int MAIN(int argc, char **argv)
	{
	DSA *dsa=NULL;
	int i,badops=0,text=0;
	BIO *in=NULL,*out=NULL;
	int informat,outformat,noout=0,C=0,ret=1;
	char *infile,*outfile,*prog,*inrand=NULL;
	int numbits= -1,num,genkey=0;
	int need_rand=0;

	apps_startup();

	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	infile=NULL;
	outfile=NULL;
	informat=FORMAT_PEM;
	outformat=FORMAT_PEM;

	prog=argv[0];
	argc--;
	argv++;
	while (argc >= 1)
		{
		if 	(strcmp(*argv,"-inform") == 0)
			{
			if (--argc < 1) goto bad;
			informat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-outform") == 0)
			{
			if (--argc < 1) goto bad;
			outformat=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (strcmp(*argv,"-text") == 0)
			text=1;
		else if (strcmp(*argv,"-C") == 0)
			C=1;
		else if (strcmp(*argv,"-genkey") == 0)
			{
			genkey=1;
			need_rand=1;
			}
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) goto bad;
			inrand= *(++argv);
			need_rand=1;
			}
		else if (strcmp(*argv,"-noout") == 0)
			noout=1;
		else if (sscanf(*argv,"%d",&num) == 1)
			{
			/* generate a key */
			numbits=num;
			need_rand=1;
			}
		else
			{
			BIO_printf(bio_err,"unknown option %s\n",*argv);
			badops=1;
			break;
			}
		argc--;
		argv++;
		}

	if (badops)
		{
bad:
		BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
		BIO_printf(bio_err,"where options are\n");
		BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
		BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
		BIO_printf(bio_err," -in arg       input file\n");
		BIO_printf(bio_err," -out arg      output file\n");
		BIO_printf(bio_err," -text         print as text\n");
		BIO_printf(bio_err," -C            Output C code\n");
		BIO_printf(bio_err," -noout        no output\n");
		BIO_printf(bio_err," -rand         files to use for random number input\n");
		BIO_printf(bio_err," number        number of bits to use for generating private key\n");
		goto end;
		}

	ERR_load_crypto_strings();

	in=BIO_new(BIO_s_file());
	out=BIO_new(BIO_s_file());
	if ((in == NULL) || (out == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (infile == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,infile) <= 0)
			{
			perror(infile);
			goto end;
			}
		}
	if (outfile == NULL)
		{
		BIO_set_fp(out,stdout,BIO_NOCLOSE);
#ifdef VMS
		{
		BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		out = BIO_push(tmpbio, out);
		}
#endif
		}
	else
		{
		if (BIO_write_filename(out,outfile) <= 0)
			{
			perror(outfile);
			goto end;
			}
		}

	if (need_rand)
		{
		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
		if (inrand != NULL)
			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
				app_RAND_load_files(inrand));
		}

	if (numbits > 0)
		{
		assert(need_rand);
		BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
	        BIO_printf(bio_err,"This could take some time\n");
	        dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL, dsa_cb,bio_err);
		}
	else if	(informat == FORMAT_ASN1)
		dsa=d2i_DSAparams_bio(in,NULL);
	else if (informat == FORMAT_PEM)
		dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
	else
		{
		BIO_printf(bio_err,"bad input format specified\n");
		goto end;
		}
	if (dsa == NULL)
		{
		BIO_printf(bio_err,"unable to load DSA parameters\n");
		ERR_print_errors(bio_err);
		goto end;
		}

	if (text)
		{
		DSAparams_print(out,dsa);
		}
	
	if (C)
		{
		unsigned char *data;
		int l,len,bits_p,bits_q,bits_g;

		len=BN_num_bytes(dsa->p);
		bits_p=BN_num_bits(dsa->p);
		bits_q=BN_num_bits(dsa->q);
		bits_g=BN_num_bits(dsa->g);
		data=(unsigned char *)OPENSSL_malloc(len+20);
		if (data == NULL)
			{
			perror("OPENSSL_malloc");
			goto end;
			}
		l=BN_bn2bin(dsa->p,data);
		printf("static unsigned char dsa%d_p[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->q,data);
		printf("static unsigned char dsa%d_q[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n");

		l=BN_bn2bin(dsa->g,data);
		printf("static unsigned char dsa%d_g[]={",bits_p);
		for (i=0; i<l; i++)
			{
			if ((i%12) == 0) printf("\n\t");
			printf("0x%02X,",data[i]);
			}
		printf("\n\t};\n\n");

		printf("DSA *get_dsa%d()\n\t{\n",bits_p);
		printf("\tDSA *dsa;\n\n");
		printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
		printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
			bits_p,bits_p);
		printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
			bits_p,bits_p);
		printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
		printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
		printf("\treturn(dsa);\n\t}\n");
		}


	if (!noout)
		{
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAparams_bio(out,dsa);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAparams(out,dsa);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		if (!i)
			{
			BIO_printf(bio_err,"unable to write DSA parameters\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		}
	if (genkey)
		{
		DSA *dsakey;

		assert(need_rand);
		if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
		if (!DSA_generate_key(dsakey)) goto end;
		if 	(outformat == FORMAT_ASN1)
			i=i2d_DSAPrivateKey_bio(out,dsakey);
		else if (outformat == FORMAT_PEM)
			i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
		else	{
			BIO_printf(bio_err,"bad output format specified for outfile\n");
			goto end;
			}
		DSA_free(dsakey);
		}
	if (need_rand)
		app_RAND_write_file(NULL, bio_err);
	ret=0;
end:
	if (in != NULL) BIO_free(in);
	if (out != NULL) BIO_free_all(out);
	if (dsa != NULL) DSA_free(dsa);
	EXIT(ret);
	}