-/* 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:
* 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
* 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 <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
-#ifndef OPENSSL_NO_DSA
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/dsa.h>
-#include <openssl/evp.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/bn.h>
-
-#undef PROG
-#define PROG dsa_main
-
-/* -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
- * -aes128 - encrypt output if PEM format
- * -aes192 - encrypt output if PEM format
- * -aes256 - encrypt output if PEM format
- * -text - print a text version
- * -modulus - print the DSA public key
- */
-
-int MAIN(int, char **);
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_DSA
+NON_EMPTY_TRANSLATION_UNIT
+#else
-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;
+# include <stdio.h>
+# include <stdlib.h>
+# include <string.h>
+# include <time.h>
+# include "apps.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/dsa.h>
+# include <openssl/evp.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+# include <openssl/bn.h>
- apps_startup();
+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;
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
+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, 's', "Input key"},
+ {"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 (!load_config(bio_err, NULL))
- goto end;
+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, ret = 1;
+# ifndef OPENSSL_NO_RC4
+ int pvk_encr = 2;
+# endif
+ int private = 0;
-#ifndef OPENSSL_NO_ENGINE
- engine=NULL;
+ 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_ANY, &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
- infile=NULL;
- outfile=NULL;
- informat=FORMAT_PEM;
- outformat=FORMAT_PEM;
+ 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();
+ if (argc != 0)
+ goto opthelp;
- 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++;
- }
+ private = pubin || pubout ? 0 : 1;
+ if (text && !pubin)
+ private = 1;
- 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(passinarg, passoutarg, &passin, &passout)) {
+ BIO_printf(bio_err, "Error getting passwords\n");
+ goto end;
+ }
- if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
- BIO_printf(bio_err, "Error getting passwords\n");
- goto end;
- }
+ BIO_printf(bio_err, "read DSA key\n");
+ {
+ EVP_PKEY *pkey;
- 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 (pubin)
+ pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
+ else
+ pkey = load_key(infile, informat, 1, passin, e, "Private Key");
- if (infile == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,infile) <= 0)
- {
- perror(infile);
- 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;
+ }
- 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,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;
- }
- }
+ out = bio_open_owner(outfile, outformat, private);
+ if (out == NULL)
+ goto end;
- if (text)
- if (!DSA_print(out,dsa,0))
- {
- perror(outfile);
- ERR_print_errors(bio_err);
- goto end;
- }
+ if (text) {
+ assert(pubin || private);
+ 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 (modulus) {
+ BIGNUM *pub_key = NULL;
+ DSA_get0_key(dsa, &pub_key, NULL);
+ BIO_printf(out, "Public Key=");
+ BN_print(out, pub_key);
+ BIO_printf(out, "\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 if (outformat == FORMAT_MSBLOB) {
- EVP_PKEY *pk;
- pk = EVP_PKEY_new();
- EVP_PKEY_set1_DSA(pk, dsa);
- if (pubin || pubout)
- i = i2b_PublicKey_bio(out, pk);
- else
- i = i2b_PrivateKey_bio(out, pk);
- EVP_PKEY_free(pk);
- } 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);
- }
+ 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) {
+ if (pubin) {
+ BIO_printf(bio_err, "PVK form impossible with public key input\n");
+ EVP_PKEY_free(pk);
+ goto end;
+ }
+ 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);
+}
#endif
projects / openssl.git / blobdiff