X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fdsa.c;h=9dcc75e88ab438878610a94029c7b81bab8abff8;hp=6e9e6c7566068876d740f48ad68a8bde8e59d0b3;hb=94b3664a528258df5ebcaae213d19bf6568cc47d;hpb=bc36ee6227517edae802bcb0da68d4f04fe1fb5e diff --git a/apps/dsa.c b/apps/dsa.c index 6e9e6c7566..9dcc75e88a 100644 --- a/apps/dsa.c +++ b/apps/dsa.c @@ -1,25 +1,24 @@ -/* apps/dsa.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. - * + * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * + * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -34,10 +33,10 @@ * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from + * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * + * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE @@ -49,277 +48,257 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ +#include /* for OPENSSL_NO_DSA */ #ifndef OPENSSL_NO_DSA -#include -#include -#include -#include -#include "apps.h" -#include -#include -#include -#include -#include -#include -#include - -#undef PROG -#define PROG dsa_main +# include +# include +# include +# include +# include "apps.h" +# include +# include +# include +# include +# include +# include +# include -/* -inform arg - input format - default PEM (one of DER, NET or PEM) - * -outform arg - output format - default PEM - * -in arg - input file - default stdin - * -out arg - output file - default stdout - * -des - encrypt output if PEM format with DES in cbc mode - * -des3 - encrypt output if PEM format - * -idea - encrypt output if PEM format - * -text - print a text version - * -modulus - print the DSA public key - */ - -int MAIN(int, char **); - -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,*engine; - char *passargin = NULL, *passargout = NULL; - char *passin = NULL, *passout = NULL; - int modulus=0; +typedef enum OPTION_choice { + OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, + OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, + OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK, + OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN, + OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT +} OPTION_CHOICE; - apps_startup(); +OPTIONS dsa_options[] = { + {"help", OPT_HELP, '-', "Display this summary"}, + {"inform", OPT_INFORM, 'F', "Input format, DER PEM PVK"}, + {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"}, + {"in", OPT_IN, '<', "Input file"}, + {"out", OPT_OUT, '>', "Output file"}, + {"noout", OPT_NOOUT, '-', "Don't print key out"}, + {"text", OPT_TEXT, '-', "Print the key in text"}, + {"modulus", OPT_MODULUS, '-', "Print the DSA public value"}, + {"pubin", OPT_PUBIN, '-'}, + {"pubout", OPT_PUBOUT, '-'}, + {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, + {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, + {"", OPT_CIPHER, '-', "Any supported cipher"}, +# ifndef OPENSSL_NO_RC4 + {"pvk-strong", OPT_PVK_STRONG, '-'}, + {"pvk-weak", OPT_PVK_WEAK, '-'}, + {"pvk-none", OPT_PVK_NONE, '-'}, +# endif +# ifndef OPENSSL_NO_ENGINE + {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, +# endif + {NULL} +}; - if (bio_err == NULL) - if ((bio_err=BIO_new(BIO_s_file())) != NULL) - BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); +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; + int private = 0; - engine=NULL; - 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); - } - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto bad; - engine= *(++argv); - } - 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] 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"); - BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); - 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"); + prog = opt_init(argc, argv, dsa_options); + while ((o = opt_next()) != OPT_EOF) { + switch (o) { + case OPT_EOF: + case OPT_ERR: + 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; +#else + case OPT_PVK_STRONG: + case OPT_PVK_WEAK: + case OPT_PVK_NONE: + break; #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; - } + 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(); + private = pubin || pubout ? 0 : 1; + if (text) + private = 1; - ERR_load_crypto_strings(); + if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { + BIO_printf(bio_err, "Error getting passwords\n"); + goto end; + } - if (engine != NULL) - { - if((e = ENGINE_by_id(engine)) == NULL) - { - BIO_printf(bio_err,"invalid engine \"%s\"\n", - engine); - goto end; - } - if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) - { - BIO_printf(bio_err,"can't use that engine\n"); - goto end; - } - BIO_printf(bio_err,"engine \"%s\" set.\n", engine); - /* Free our "structural" reference. */ - ENGINE_free(e); - } + BIO_printf(bio_err, "read DSA key\n"); + { + EVP_PKEY *pkey; - if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { - BIO_printf(bio_err, "Error getting passwords\n"); - goto end; - } + if (pubin) + pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); + else + pkey = load_key(infile, informat, 1, passin, e, "Private Key"); - 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 (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 (infile == NULL) - BIO_set_fp(in,stdin,BIO_NOCLOSE); - else - { - if (BIO_read_filename(in,infile) <= 0) - { - perror(infile); - goto end; - } - } + out = bio_open_owner(outfile, outformat, private); + if (out == NULL) + 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 (text) { + assert(private); + if (!DSA_print(out, dsa, 0)) { + perror(outfile); + 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 (modulus) { + BIO_printf(out, "Public Key="); + BN_print(out, dsa->pub_key); + BIO_printf(out, "\n"); + } - if (text) - if (!DSA_print(out,dsa,0)) - { - perror(outfile); - ERR_print_errors(bio_err); - goto end; - } + 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 { + assert(private); + i = i2d_DSAPrivateKey_bio(out, dsa); + } + } else if (outformat == FORMAT_PEM) { + if (pubin || pubout) + i = PEM_write_bio_DSA_PUBKEY(out, dsa); + else { + assert(private); + 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) { + assert(private); + i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); + } + else if (pubin || pubout) + i = i2b_PublicKey_bio(out, pk); + else { + assert(private); + 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); + OPENSSL_free(passin); + OPENSSL_free(passout); + return (ret); +} +#else /* !OPENSSL_NO_DSA */ - if (modulus) - { - fprintf(stdout,"Public Key="); - BN_print(out,dsa->pub_key); - fprintf(stdout,"\n"); - } +# if PEDANTIC +static void *dummy = &dummy; +# endif - 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); - EXIT(ret); - } #endif