/* 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: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * 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 * 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 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * 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 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; 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} }; 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; 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 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 && !pubin) private = 1; 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_owner(outfile, outformat, private); if (out == NULL) goto end; if (text) { assert(pubin || private); 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 { 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); } #else /* !OPENSSL_NO_DSA */ # if PEDANTIC static void *dummy = &dummy; # endif #endif