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); }
int dhparam_main(int argc, char **argv) { BIO *in = NULL, *out = NULL; DH *dh = NULL; char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL; #ifndef OPENSSL_NO_DSA int dsaparam = 0; #endif int i, text = 0, C = 0, ret = 1, num = 0, g = 0; int informat = FORMAT_PEM, outformat = FORMAT_PEM, check = 0, noout = 0; OPTION_CHOICE o; prog = opt_init(argc, argv, dhparam_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(dhparam_options); ret = 0; goto end; case OPT_INFORM: if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) goto opthelp; break; case OPT_OUTFORM: if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) goto opthelp; break; case OPT_IN: infile = opt_arg(); break; case OPT_OUT: outfile = opt_arg(); break; case OPT_ENGINE: (void)setup_engine(opt_arg(), 0); break; case OPT_CHECK: check = 1; break; case OPT_TEXT: text = 1; break; case OPT_DSAPARAM: #ifndef OPENSSL_NO_DSA dsaparam = 1; #endif break; case OPT_C: C = 1; break; case OPT_2: g = 2; break; case OPT_5: g = 5; break; case OPT_NOOUT: noout = 1; break; case OPT_RAND: inrand = opt_arg(); break; } } argc = opt_num_rest(); argv = opt_rest(); if (argv[0] && (!opt_int(argv[0], &num) || num <= 0)) goto end; if (g && !num) num = DEFBITS; # ifndef OPENSSL_NO_DSA if (dsaparam && g) { BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); goto end; } # endif /* DH parameters */ if (num && !g) g = 2; if (num) { BN_GENCB *cb; cb = BN_GENCB_new(); if (cb == NULL) { ERR_print_errors(bio_err); goto end; } BN_GENCB_set(cb, dh_cb, bio_err); if (!app_RAND_load_file(NULL, 1) && inrand == NULL) { BIO_printf(bio_err, "warning, not much extra random data, consider using the -rand option\n"); } if (inrand != NULL) BIO_printf(bio_err, "%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa = DSA_new(); BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); if (dsa == NULL || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) { DSA_free(dsa); BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } } else # endif { dh = DH_new(); BIO_printf(bio_err, "Generating DH parameters, %d bit long safe prime, generator %d\n", num, g); BIO_printf(bio_err, "This is going to take a long time\n"); if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) { BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } } BN_GENCB_free(cb); app_RAND_write_file(NULL); } else { in = bio_open_default(infile, 'r', informat); if (in == NULL) goto end; # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa; if (informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else /* informat == FORMAT_PEM */ 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; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else # endif { if (informat == FORMAT_ASN1) dh = d2i_DHparams_bio(in, NULL); else /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); ERR_print_errors(bio_err); goto end; } } /* dh != NULL */ } out = bio_open_default(outfile, 'w', outformat); if (out == NULL) goto end; if (text) { DHparams_print(out, dh); } if (check) { if (!DH_check(dh, &i)) { ERR_print_errors(bio_err); goto end; } if (i & DH_CHECK_P_NOT_PRIME) printf("p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) printf("p value is not a safe prime\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) printf("unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) printf("the g value is not a generator\n"); if (i == 0) printf("DH parameters appear to be ok.\n"); } if (C) { unsigned char *data; int len, bits; len = BN_num_bytes(dh->p); bits = BN_num_bits(dh->p); data = app_malloc(len, "print a BN"); BIO_printf(out, "#ifndef HEADER_DH_H\n" "# include <openssl/dh.h>\n" "#endif\n" "\n"); BIO_printf(out, "DH *get_dh%d()\n{\n", bits); print_bignum_var(out, dh->p, "dhp", bits, data); print_bignum_var(out, dh->g, "dhg", bits, data); BIO_printf(out, " DH *dh = DN_new();\n" "\n" " if (dh == NULL)\n" " return NULL;\n"); BIO_printf(out, " dh->p = BN_bin2bn(dhp_%d, sizeof (dhp_%d), NULL);\n", bits, bits); BIO_printf(out, " dh->g = BN_bin2bn(dhg_%d, sizeof (dhg_%d), NULL);\n", bits, bits); BIO_printf(out, " if (!dh->p || !dh->g) {\n" " DH_free(dh);\n" " return NULL;\n" " }\n"); if (dh->length) BIO_printf(out, " dh->length = %ld;\n", dh->length); BIO_printf(out, " return dh;\n}\n"); OPENSSL_free(data); } if (!noout) { if (outformat == FORMAT_ASN1) i = i2d_DHparams_bio(out, dh); else if (dh->q) i = PEM_write_bio_DHxparams(out, dh); else i = PEM_write_bio_DHparams(out, dh); if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: BIO_free(in); BIO_free_all(out); DH_free(dh); return (ret); }
int MAIN(int argc, char **argv) { BIO *in = NULL, *out = NULL; char *infile, *outfile, *prog; char *inrand = NULL; char *id = NULL; 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; outfile = NULL; 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, "-check") == 0) check = 1; else if (strcmp(*argv, "-text") == 0) text = 1; else if (strcmp(*argv, "-dsaparam") == 0) dsaparam = 1; else if (strcmp(*argv, "-C") == 0) C = 1; else if (strcmp(*argv, "-noout") == 0) noout = 1; else if (strcmp(*argv, "-2") == 0) g = 2; else if (strcmp(*argv, "-5") == 0) g = 5; else if (strcmp(*argv, "-rand") == 0) { if (--argc < 1) goto bad; inrand = *(++argv); } else if (((sscanf(*argv, "%d", &num) == 0) || (num <= 0))) goto bad; argv++; argc--; } if (badops) { bad: BIO_printf(bio_err, "%s [options] [numbits]\n", prog); BIO_printf(bio_err, "where options are\n"); BIO_printf(bio_err, " -inform arg input format - one of DER PEM\n"); BIO_printf(bio_err, " -outform arg output format - one of DER PEM\n"); BIO_printf(bio_err, " -in arg input file\n"); BIO_printf(bio_err, " -out arg output file\n"); BIO_printf(bio_err, " -dsaparam read or generate DSA parameters, convert to DH\n"); BIO_printf(bio_err, " -check check the DH parameters\n"); BIO_printf(bio_err, " -text print a text form of the DH parameters\n"); BIO_printf(bio_err, " -C Output C code\n"); BIO_printf(bio_err, " -2 generate parameters using 2 as the generator value\n"); BIO_printf(bio_err, " -5 generate parameters using 5 as the generator value\n"); BIO_printf(bio_err, " numbits number of bits in to generate (default 2048)\n"); BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); BIO_printf(bio_err, " - load the file (or the files in the directory) into\n"); BIO_printf(bio_err, " the random number generator\n"); BIO_printf(bio_err, " -noout no output\n"); goto end; } ERR_load_crypto_strings(); if (g && !num) num = DEFBITS; if (dsaparam) { if (g) { BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); goto end; } } else { /* DH parameters */ if (num && !g) g = 2; } if (num) { BN_GENCB cb; BN_GENCB_set(&cb, dh_cb, bio_err); if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) { BIO_printf(bio_err, "warning, not much extra random data, consider using the -rand option\n"); } if (inrand != NULL) BIO_printf(bio_err, "%ld semi-random bytes loaded\n", app_RAND_load_files(inrand)); # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa = DSA_new(); BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); if (!dsa || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, &cb)) { if (dsa) DSA_free(dsa); ERR_print_errors(bio_err); goto end; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else # endif { dh = DH_new(); BIO_printf(bio_err, "Generating DH parameters, %d bit long safe prime, generator %d\n", num, g); BIO_printf(bio_err, "This is going to take a long time\n"); if (!dh || !DH_generate_parameters_ex(dh, num, g, &cb)) { ERR_print_errors(bio_err); goto end; } } app_RAND_write_file(NULL, bio_err); } else { in = BIO_new(BIO_s_file()); if (in == 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 (informat != FORMAT_ASN1 && informat != FORMAT_PEM) { BIO_printf(bio_err, "bad input format specified\n"); goto end; } # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa; if (informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else /* informat == FORMAT_PEM */ 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; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else # endif { if (informat == FORMAT_ASN1) dh = d2i_DHparams_bio(in, NULL); else /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); ERR_print_errors(bio_err); goto end; } } /* dh != NULL */ } out = BIO_new(BIO_s_file()); if (out == NULL) { ERR_print_errors(bio_err); goto end; } if (outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { if (BIO_write_filename(out, outfile) <= 0) { perror(outfile); goto end; } } if (text) { DHparams_print(out, dh); } if (check) { if (!DH_check(dh, &i)) { ERR_print_errors(bio_err); goto end; } if (i & DH_CHECK_P_NOT_PRIME) printf("p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) printf("p value is not a safe prime\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) printf("unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) printf("the g value is not a generator\n"); if (i == 0) printf("DH parameters appear to be ok.\n"); } if (C) { unsigned char *data; int len, l, bits; len = BN_num_bytes(dh->p); bits = BN_num_bits(dh->p); data = (unsigned char *)OPENSSL_malloc(len); if (data == NULL) { perror("OPENSSL_malloc"); goto end; } printf("#ifndef HEADER_DH_H\n" "#include <openssl/dh.h>\n" "#endif\n"); printf("DH *get_dh%d()\n\t{\n", bits); l = BN_bn2bin(dh->p, data); printf("\tstatic unsigned char dh%d_p[]={", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X,", data[i]); } printf("\n\t\t};\n"); l = BN_bn2bin(dh->g, data); printf("\tstatic unsigned char dh%d_g[]={", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X,", data[i]); } printf("\n\t\t};\n"); printf("\tDH *dh;\n\n"); printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n"); printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n", bits, bits); printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n", bits, bits); printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); printf("\t\t{ DH_free(dh); return(NULL); }\n"); if (dh->length) printf("\tdh->length = %ld;\n", dh->length); printf("\treturn(dh);\n\t}\n"); OPENSSL_free(data); } if (!noout) { if (outformat == FORMAT_ASN1) i = i2d_DHparams_bio(out, dh); else if (outformat == FORMAT_PEM) { if (dh->q) i = PEM_write_bio_DHxparams(out, dh); else i = PEM_write_bio_DHparams(out, dh); } else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); if (dh != NULL) DH_free(dh); apps_shutdown(); OPENSSL_EXIT(ret); }
int dhparam_main(int argc, char **argv) { BIO *in = NULL, *out = NULL; char *num_bits = NULL; DH *dh = NULL; int num = 0; int ret = 1; int i; memset(&dhparam_config, 0, sizeof(dhparam_config)); dhparam_config.informat = FORMAT_PEM; dhparam_config.outformat = FORMAT_PEM; if (options_parse(argc, argv, dhparam_options, &num_bits, NULL) != 0) { dhparam_usage(); return (1); } if (num_bits != NULL) { if(sscanf(num_bits, "%d", &num) == 0 || num <= 0) { BIO_printf(bio_err, "invalid number of bits: %s\n", num_bits); return (1); } } if (dhparam_config.g && !num) num = DEFBITS; if (dhparam_config.dsaparam) { if (dhparam_config.g) { BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); goto end; } } else { /* DH parameters */ if (num && !dhparam_config.g) dhparam_config.g = 2; } if (num) { BN_GENCB cb; BN_GENCB_set(&cb, dh_cb, bio_err); if (dhparam_config.dsaparam) { DSA *dsa = DSA_new(); BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); if (!dsa || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, &cb)) { if (dsa) DSA_free(dsa); ERR_print_errors(bio_err); goto end; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else { dh = DH_new(); BIO_printf(bio_err, "Generating DH parameters, %d bit long safe prime, generator %d\n", num, dhparam_config.g); BIO_printf(bio_err, "This is going to take a long time\n"); if (!dh || !DH_generate_parameters_ex(dh, num, dhparam_config.g, &cb)) { ERR_print_errors(bio_err); goto end; } } } else { in = BIO_new(BIO_s_file()); if (in == NULL) { ERR_print_errors(bio_err); goto end; } if (dhparam_config.infile == NULL) BIO_set_fp(in, stdin, BIO_NOCLOSE); else { if (BIO_read_filename(in, dhparam_config.infile) <= 0) { perror(dhparam_config.infile); goto end; } } if (dhparam_config.informat != FORMAT_ASN1 && dhparam_config.informat != FORMAT_PEM) { BIO_printf(bio_err, "bad input format specified\n"); goto end; } if (dhparam_config.dsaparam) { DSA *dsa; if (dhparam_config.informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else /* informat == FORMAT_PEM */ 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; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else { if (dhparam_config.informat == FORMAT_ASN1) dh = d2i_DHparams_bio(in, NULL); else /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); ERR_print_errors(bio_err); goto end; } } /* dh != NULL */ } out = BIO_new(BIO_s_file()); if (out == NULL) { ERR_print_errors(bio_err); goto end; } if (dhparam_config.outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { if (BIO_write_filename(out, dhparam_config.outfile) <= 0) { perror(dhparam_config.outfile); goto end; } } if (dhparam_config.text) { DHparams_print(out, dh); } if (dhparam_config.check) { if (!DH_check(dh, &i)) { ERR_print_errors(bio_err); goto end; } if (i & DH_CHECK_P_NOT_PRIME) printf("p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) printf("p value is not a safe prime\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) printf("unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) printf("the g value is not a generator\n"); if (i == 0) printf("DH parameters appear to be ok.\n"); } if (dhparam_config.C) { unsigned char *data; int len, l, bits; len = BN_num_bytes(dh->p); bits = BN_num_bits(dh->p); data = malloc(len); if (data == NULL) { perror("malloc"); goto end; } printf("#ifndef HEADER_DH_H\n" "#include <openssl/dh.h>\n" "#endif\n"); printf("DH *get_dh%d()\n\t{\n", bits); l = BN_bn2bin(dh->p, data); printf("\tstatic unsigned char dh%d_p[] = {", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X, ", data[i]); } printf("\n\t\t};\n"); l = BN_bn2bin(dh->g, data); printf("\tstatic unsigned char dh%d_g[] = {", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X, ", data[i]); } printf("\n\t\t};\n"); printf("\tDH *dh;\n\n"); printf("\tif ((dh = DH_new()) == NULL) return(NULL);\n"); printf("\tdh->p = BN_bin2bn(dh%d_p, sizeof(dh%d_p), NULL);\n", bits, bits); printf("\tdh->g = BN_bin2bn(dh%d_g, sizeof(dh%d_g), NULL);\n", bits, bits); printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); printf("\t\t{ DH_free(dh); return(NULL); }\n"); if (dh->length) printf("\tdh->length = %ld;\n", dh->length); printf("\treturn(dh);\n\t}\n"); free(data); } if (!dhparam_config.noout) { if (dhparam_config.outformat == FORMAT_ASN1) i = i2d_DHparams_bio(out, dh); else if (dhparam_config.outformat == FORMAT_PEM) i = PEM_write_bio_DHparams(out, dh); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: BIO_free(in); if (out != NULL) BIO_free_all(out); if (dh != NULL) DH_free(dh); return (ret); }
int dhparam_main(int argc, char **argv) { BIO *in = NULL, *out = NULL; DH *dh = NULL; char *infile = NULL, *outfile = NULL, *prog; ENGINE *e = NULL; #ifndef OPENSSL_NO_DSA int dsaparam = 0; #endif int i, text = 0, C = 0, ret = 1, num = 0, g = 0; int informat = FORMAT_PEM, outformat = FORMAT_PEM, check = 0, noout = 0; OPTION_CHOICE o; prog = opt_init(argc, argv, dhparam_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(dhparam_options); ret = 0; goto end; case OPT_INFORM: if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) goto opthelp; break; case OPT_OUTFORM: if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) goto opthelp; break; case OPT_IN: infile = opt_arg(); break; case OPT_OUT: outfile = opt_arg(); break; case OPT_ENGINE: e = setup_engine(opt_arg(), 0); break; case OPT_CHECK: check = 1; break; case OPT_TEXT: text = 1; break; case OPT_DSAPARAM: #ifndef OPENSSL_NO_DSA dsaparam = 1; #endif break; case OPT_C: C = 1; break; case OPT_2: g = 2; break; case OPT_5: g = 5; break; case OPT_NOOUT: noout = 1; break; case OPT_R_CASES: if (!opt_rand(o)) goto end; break; } } argc = opt_num_rest(); argv = opt_rest(); if (argv[0] != NULL && (!opt_int(argv[0], &num) || num <= 0)) goto end; if (g && !num) num = DEFBITS; # ifndef OPENSSL_NO_DSA if (dsaparam && g) { BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); goto end; } # endif out = bio_open_default(outfile, 'w', outformat); if (out == NULL) goto end; /* DH parameters */ if (num && !g) g = 2; if (num) { BN_GENCB *cb; cb = BN_GENCB_new(); if (cb == NULL) { ERR_print_errors(bio_err); goto end; } BN_GENCB_set(cb, dh_cb, bio_err); # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa = DSA_new(); BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); if (dsa == NULL || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) { DSA_free(dsa); BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } } else # endif { dh = DH_new(); BIO_printf(bio_err, "Generating DH parameters, %d bit long safe prime, generator %d\n", num, g); BIO_printf(bio_err, "This is going to take a long time\n"); if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) { BN_GENCB_free(cb); ERR_print_errors(bio_err); goto end; } } BN_GENCB_free(cb); } else { in = bio_open_default(infile, 'r', informat); if (in == NULL) goto end; # ifndef OPENSSL_NO_DSA if (dsaparam) { DSA *dsa; if (informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else /* informat == FORMAT_PEM */ 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; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else # endif { if (informat == FORMAT_ASN1) { /* * We have no PEM header to determine what type of DH params it * is. We'll just try both. */ dh = d2i_DHparams_bio(in, NULL); /* BIO_reset() returns 0 for success for file BIOs only!!! */ if (dh == NULL && BIO_reset(in) == 0) dh = d2i_DHxparams_bio(in, NULL); } else { /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); } if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); ERR_print_errors(bio_err); goto end; } } /* dh != NULL */ } if (text) { DHparams_print(out, dh); } if (check) { if (!DH_check(dh, &i)) { ERR_print_errors(bio_err); goto end; } if (i & DH_CHECK_P_NOT_PRIME) BIO_printf(bio_err, "WARNING: p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) BIO_printf(bio_err, "WARNING: p value is not a safe prime\n"); if (i & DH_CHECK_Q_NOT_PRIME) BIO_printf(bio_err, "WARNING: q value is not a prime\n"); if (i & DH_CHECK_INVALID_Q_VALUE) BIO_printf(bio_err, "WARNING: q value is invalid\n"); if (i & DH_CHECK_INVALID_J_VALUE) BIO_printf(bio_err, "WARNING: j value is invalid\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) BIO_printf(bio_err, "WARNING: unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) BIO_printf(bio_err, "WARNING: the g value is not a generator\n"); if (i == 0) BIO_printf(bio_err, "DH parameters appear to be ok.\n"); if (num != 0 && i != 0) { /* * We have generated parameters but DH_check() indicates they are * invalid! This should never happen! */ BIO_printf(bio_err, "ERROR: Invalid parameters generated\n"); goto end; } } if (C) { unsigned char *data; int len, bits; const BIGNUM *pbn, *gbn; len = DH_size(dh); bits = DH_bits(dh); DH_get0_pqg(dh, &pbn, NULL, &gbn); data = app_malloc(len, "print a BN"); BIO_printf(out, "static DH *get_dh%d(void)\n{\n", bits); print_bignum_var(out, pbn, "dhp", bits, data); print_bignum_var(out, gbn, "dhg", bits, data); BIO_printf(out, " DH *dh = DH_new();\n" " BIGNUM *p, *g;\n" "\n" " if (dh == NULL)\n" " return NULL;\n"); BIO_printf(out, " p = BN_bin2bn(dhp_%d, sizeof(dhp_%d), NULL);\n", bits, bits); BIO_printf(out, " g = BN_bin2bn(dhg_%d, sizeof(dhg_%d), NULL);\n", bits, bits); BIO_printf(out, " if (p == NULL || g == NULL\n" " || !DH_set0_pqg(dh, p, NULL, g)) {\n" " DH_free(dh);\n" " BN_free(p);\n" " BN_free(g);\n" " return NULL;\n" " }\n"); if (DH_get_length(dh) > 0) BIO_printf(out, " if (!DH_set_length(dh, %ld)) {\n" " DH_free(dh);\n" " return NULL;\n" " }\n", DH_get_length(dh)); BIO_printf(out, " return dh;\n}\n"); OPENSSL_free(data); } if (!noout) { const BIGNUM *q; DH_get0_pqg(dh, NULL, &q, NULL); if (outformat == FORMAT_ASN1) { if (q != NULL) i = i2d_DHxparams_bio(out, dh); else i = i2d_DHparams_bio(out, dh); } else if (q != NULL) { i = PEM_write_bio_DHxparams(out, dh); } else { i = PEM_write_bio_DHparams(out, dh); } if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: BIO_free(in); BIO_free_all(out); DH_free(dh); release_engine(e); return ret; }
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); }
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); }
int dhparam_main(int argc, char **argv) { DH *dh = NULL; int i, badops = 0, text = 0; int dsaparam = 0; BIO *in = NULL, *out = NULL; int informat, outformat, check = 0, noout = 0, C = 0, ret = 1; char *infile, *outfile, *prog; #ifndef OPENSSL_NO_ENGINE char *engine = NULL; #endif int num = 0, g = 0; 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 else if (strcmp(*argv, "-check") == 0) check = 1; else if (strcmp(*argv, "-text") == 0) text = 1; else if (strcmp(*argv, "-dsaparam") == 0) dsaparam = 1; else if (strcmp(*argv, "-C") == 0) C = 1; else if (strcmp(*argv, "-noout") == 0) noout = 1; else if (strcmp(*argv, "-2") == 0) g = 2; else if (strcmp(*argv, "-5") == 0) g = 5; else if (((sscanf(*argv, "%d", &num) == 0) || (num <= 0))) goto bad; argv++; argc--; } if (badops) { bad: BIO_printf(bio_err, "%s [options] [numbits]\n", prog); BIO_printf(bio_err, "where options are\n"); BIO_printf(bio_err, " -inform arg input format - one of DER PEM\n"); BIO_printf(bio_err, " -outform arg output format - one of DER PEM\n"); BIO_printf(bio_err, " -in arg input file\n"); BIO_printf(bio_err, " -out arg output file\n"); BIO_printf(bio_err, " -dsaparam read or generate DSA parameters, convert to DH\n"); BIO_printf(bio_err, " -check check the DH parameters\n"); BIO_printf(bio_err, " -text print a text form of the DH parameters\n"); BIO_printf(bio_err, " -C Output C code\n"); BIO_printf(bio_err, " -2 generate parameters using 2 as the generator value\n"); BIO_printf(bio_err, " -5 generate parameters using 5 as the generator value\n"); BIO_printf(bio_err, " numbits number of bits in to generate (default 512)\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n"); #endif BIO_printf(bio_err, " -noout no output\n"); goto end; } ERR_load_crypto_strings(); #ifndef OPENSSL_NO_ENGINE setup_engine(bio_err, engine, 0); #endif if (g && !num) num = DEFBITS; if (dsaparam) { if (g) { BIO_printf(bio_err, "generator may not be chosen for DSA parameters\n"); goto end; } } else { /* DH parameters */ if (num && !g) g = 2; } if (num) { BN_GENCB cb; BN_GENCB_set(&cb, dh_cb, bio_err); if (dsaparam) { DSA *dsa = DSA_new(); BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n", num); if (!dsa || !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, &cb)) { if (dsa) DSA_free(dsa); ERR_print_errors(bio_err); goto end; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else { dh = DH_new(); BIO_printf(bio_err, "Generating DH parameters, %d bit long safe prime, generator %d\n", num, g); BIO_printf(bio_err, "This is going to take a long time\n"); if (!dh || !DH_generate_parameters_ex(dh, num, g, &cb)) { ERR_print_errors(bio_err); goto end; } } } else { in = BIO_new(BIO_s_file()); if (in == 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 (informat != FORMAT_ASN1 && informat != FORMAT_PEM) { BIO_printf(bio_err, "bad input format specified\n"); goto end; } if (dsaparam) { DSA *dsa; if (informat == FORMAT_ASN1) dsa = d2i_DSAparams_bio(in, NULL); else /* informat == FORMAT_PEM */ 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; } dh = DSA_dup_DH(dsa); DSA_free(dsa); if (dh == NULL) { ERR_print_errors(bio_err); goto end; } } else { if (informat == FORMAT_ASN1) dh = d2i_DHparams_bio(in, NULL); else /* informat == FORMAT_PEM */ dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); if (dh == NULL) { BIO_printf(bio_err, "unable to load DH parameters\n"); ERR_print_errors(bio_err); goto end; } } /* dh != NULL */ } out = BIO_new(BIO_s_file()); if (out == NULL) { ERR_print_errors(bio_err); goto end; } if (outfile == NULL) { BIO_set_fp(out, stdout, BIO_NOCLOSE); } else { if (BIO_write_filename(out, outfile) <= 0) { perror(outfile); goto end; } } if (text) { DHparams_print(out, dh); } if (check) { if (!DH_check(dh, &i)) { ERR_print_errors(bio_err); goto end; } if (i & DH_CHECK_P_NOT_PRIME) printf("p value is not prime\n"); if (i & DH_CHECK_P_NOT_SAFE_PRIME) printf("p value is not a safe prime\n"); if (i & DH_UNABLE_TO_CHECK_GENERATOR) printf("unable to check the generator value\n"); if (i & DH_NOT_SUITABLE_GENERATOR) printf("the g value is not a generator\n"); if (i == 0) printf("DH parameters appear to be ok.\n"); } if (C) { unsigned char *data; int len, l, bits; len = BN_num_bytes(dh->p); bits = BN_num_bits(dh->p); data = malloc(len); if (data == NULL) { perror("malloc"); goto end; } printf("#ifndef HEADER_DH_H\n" "#include <openssl/dh.h>\n" "#endif\n"); printf("DH *get_dh%d()\n\t{\n", bits); l = BN_bn2bin(dh->p, data); printf("\tstatic unsigned char dh%d_p[] = {", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X, ", data[i]); } printf("\n\t\t};\n"); l = BN_bn2bin(dh->g, data); printf("\tstatic unsigned char dh%d_g[] = {", bits); for (i = 0; i < l; i++) { if ((i % 12) == 0) printf("\n\t\t"); printf("0x%02X, ", data[i]); } printf("\n\t\t};\n"); printf("\tDH *dh;\n\n"); printf("\tif ((dh = DH_new()) == NULL) return(NULL);\n"); printf("\tdh->p = BN_bin2bn(dh%d_p, sizeof(dh%d_p), NULL);\n", bits, bits); printf("\tdh->g = BN_bin2bn(dh%d_g, sizeof(dh%d_g), NULL);\n", bits, bits); printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n"); printf("\t\t{ DH_free(dh); return(NULL); }\n"); if (dh->length) printf("\tdh->length = %ld;\n", dh->length); printf("\treturn(dh);\n\t}\n"); free(data); } if (!noout) { if (outformat == FORMAT_ASN1) i = i2d_DHparams_bio(out, dh); else if (outformat == FORMAT_PEM) i = PEM_write_bio_DHparams(out, dh); else { BIO_printf(bio_err, "bad output format specified for outfile\n"); goto end; } if (!i) { BIO_printf(bio_err, "unable to write DH parameters\n"); ERR_print_errors(bio_err); goto end; } } ret = 0; end: if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); if (dh != NULL) DH_free(dh); 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); }