| /* rsautl.c */ |
| /* |
| * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
| * 2000. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
| * |
| * 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 above 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 acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED 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 OpenSSL PROJECT OR |
| * ITS 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. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| #include <openssl/opensslconf.h> |
| #ifndef OPENSSL_NO_RSA |
| |
| # include "apps.h" |
| # include <string.h> |
| # include <openssl/err.h> |
| # include <openssl/pem.h> |
| # include <openssl/rsa.h> |
| |
| # define RSA_SIGN 1 |
| # define RSA_VERIFY 2 |
| # define RSA_ENCRYPT 3 |
| # define RSA_DECRYPT 4 |
| |
| # define KEY_PRIVKEY 1 |
| # define KEY_PUBKEY 2 |
| # define KEY_CERT 3 |
| |
| static void usage(void); |
| |
| # undef PROG |
| |
| # define PROG rsautl_main |
| |
| int MAIN(int argc, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| ENGINE *e = NULL; |
| BIO *in = NULL, *out = NULL; |
| char *infile = NULL, *outfile = NULL; |
| # ifndef OPENSSL_NO_ENGINE |
| char *engine = NULL; |
| # endif |
| char *keyfile = NULL; |
| char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY; |
| int keyform = FORMAT_PEM; |
| char need_priv = 0, badarg = 0, rev = 0; |
| char hexdump = 0, asn1parse = 0; |
| X509 *x; |
| EVP_PKEY *pkey = NULL; |
| RSA *rsa = NULL; |
| unsigned char *rsa_in = NULL, *rsa_out = NULL, pad; |
| char *passargin = NULL, *passin = NULL; |
| int rsa_inlen, rsa_outlen = 0; |
| int keysize; |
| |
| int ret = 1; |
| |
| argc--; |
| argv++; |
| |
| if (!bio_err) |
| bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); |
| |
| if (!load_config(bio_err, NULL)) |
| goto end; |
| ERR_load_crypto_strings(); |
| OpenSSL_add_all_algorithms(); |
| pad = RSA_PKCS1_PADDING; |
| |
| while (argc >= 1) { |
| if (!strcmp(*argv, "-in")) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| infile = *(++argv); |
| } else if (!strcmp(*argv, "-out")) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| outfile = *(++argv); |
| } else if (!strcmp(*argv, "-inkey")) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| keyfile = *(++argv); |
| } else if (!strcmp(*argv, "-passin")) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| passargin = *(++argv); |
| } else if (strcmp(*argv, "-keyform") == 0) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| keyform = str2fmt(*(++argv)); |
| # ifndef OPENSSL_NO_ENGINE |
| } else if (!strcmp(*argv, "-engine")) { |
| if (--argc < 1) |
| badarg = 1; |
| else |
| engine = *(++argv); |
| # endif |
| } else if (!strcmp(*argv, "-pubin")) { |
| key_type = KEY_PUBKEY; |
| } else if (!strcmp(*argv, "-certin")) { |
| key_type = KEY_CERT; |
| } else if (!strcmp(*argv, "-asn1parse")) |
| asn1parse = 1; |
| else if (!strcmp(*argv, "-hexdump")) |
| hexdump = 1; |
| else if (!strcmp(*argv, "-raw")) |
| pad = RSA_NO_PADDING; |
| else if (!strcmp(*argv, "-oaep")) |
| pad = RSA_PKCS1_OAEP_PADDING; |
| else if (!strcmp(*argv, "-ssl")) |
| pad = RSA_SSLV23_PADDING; |
| else if (!strcmp(*argv, "-pkcs")) |
| pad = RSA_PKCS1_PADDING; |
| else if (!strcmp(*argv, "-x931")) |
| pad = RSA_X931_PADDING; |
| else if (!strcmp(*argv, "-sign")) { |
| rsa_mode = RSA_SIGN; |
| need_priv = 1; |
| } else if (!strcmp(*argv, "-verify")) |
| rsa_mode = RSA_VERIFY; |
| else if (!strcmp(*argv, "-rev")) |
| rev = 1; |
| else if (!strcmp(*argv, "-encrypt")) |
| rsa_mode = RSA_ENCRYPT; |
| else if (!strcmp(*argv, "-decrypt")) { |
| rsa_mode = RSA_DECRYPT; |
| need_priv = 1; |
| } else |
| badarg = 1; |
| if (badarg) { |
| usage(); |
| goto end; |
| } |
| argc--; |
| argv++; |
| } |
| |
| if (need_priv && (key_type != KEY_PRIVKEY)) { |
| BIO_printf(bio_err, "A private key is needed for this operation\n"); |
| goto end; |
| } |
| # ifndef OPENSSL_NO_ENGINE |
| e = setup_engine(bio_err, engine, 0); |
| # endif |
| if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { |
| BIO_printf(bio_err, "Error getting password\n"); |
| goto end; |
| } |
| |
| /* FIXME: seed PRNG only if needed */ |
| app_RAND_load_file(NULL, bio_err, 0); |
| |
| switch (key_type) { |
| case KEY_PRIVKEY: |
| pkey = load_key(bio_err, keyfile, keyform, 0, |
| passin, e, "Private Key"); |
| break; |
| |
| case KEY_PUBKEY: |
| pkey = load_pubkey(bio_err, keyfile, keyform, 0, |
| NULL, e, "Public Key"); |
| break; |
| |
| case KEY_CERT: |
| x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate"); |
| if (x) { |
| pkey = X509_get_pubkey(x); |
| X509_free(x); |
| } |
| break; |
| } |
| |
| if (!pkey) { |
| return 1; |
| } |
| |
| rsa = EVP_PKEY_get1_RSA(pkey); |
| EVP_PKEY_free(pkey); |
| |
| if (!rsa) { |
| BIO_printf(bio_err, "Error getting RSA key\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (infile) { |
| if (!(in = BIO_new_file(infile, "rb"))) { |
| BIO_printf(bio_err, "Error Reading Input File\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } else |
| in = BIO_new_fp(stdin, BIO_NOCLOSE); |
| |
| if (outfile) { |
| if (!(out = BIO_new_file(outfile, "wb"))) { |
| BIO_printf(bio_err, "Error Reading Output File\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } else { |
| out = BIO_new_fp(stdout, BIO_NOCLOSE); |
| # ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| out = BIO_push(tmpbio, out); |
| } |
| # endif |
| } |
| |
| keysize = RSA_size(rsa); |
| |
| rsa_in = OPENSSL_malloc(keysize * 2); |
| rsa_out = OPENSSL_malloc(keysize); |
| if (!rsa_in || !rsa_out) { |
| BIO_printf(bio_err, "Out of memory\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| /* Read the input data */ |
| rsa_inlen = BIO_read(in, rsa_in, keysize * 2); |
| if (rsa_inlen <= 0) { |
| BIO_printf(bio_err, "Error reading input Data\n"); |
| exit(1); |
| } |
| if (rev) { |
| int i; |
| unsigned char ctmp; |
| for (i = 0; i < rsa_inlen / 2; i++) { |
| ctmp = rsa_in[i]; |
| rsa_in[i] = rsa_in[rsa_inlen - 1 - i]; |
| rsa_in[rsa_inlen - 1 - i] = ctmp; |
| } |
| } |
| switch (rsa_mode) { |
| |
| case RSA_VERIFY: |
| rsa_outlen = RSA_public_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); |
| break; |
| |
| case RSA_SIGN: |
| rsa_outlen = |
| RSA_private_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); |
| break; |
| |
| case RSA_ENCRYPT: |
| rsa_outlen = RSA_public_encrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); |
| break; |
| |
| case RSA_DECRYPT: |
| rsa_outlen = |
| RSA_private_decrypt(rsa_inlen, rsa_in, rsa_out, rsa, pad); |
| break; |
| |
| } |
| |
| if (rsa_outlen <= 0) { |
| BIO_printf(bio_err, "RSA operation error\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| ret = 0; |
| if (asn1parse) { |
| if (!ASN1_parse_dump(out, rsa_out, rsa_outlen, 1, -1)) { |
| ERR_print_errors(bio_err); |
| } |
| } else if (hexdump) |
| BIO_dump(out, (char *)rsa_out, rsa_outlen); |
| else |
| BIO_write(out, rsa_out, rsa_outlen); |
| end: |
| RSA_free(rsa); |
| BIO_free(in); |
| BIO_free_all(out); |
| if (rsa_in) |
| OPENSSL_free(rsa_in); |
| if (rsa_out) |
| OPENSSL_free(rsa_out); |
| if (passin) |
| OPENSSL_free(passin); |
| return ret; |
| } |
| |
| static void usage() |
| { |
| BIO_printf(bio_err, "Usage: rsautl [options]\n"); |
| BIO_printf(bio_err, "-in file input file\n"); |
| BIO_printf(bio_err, "-out file output file\n"); |
| BIO_printf(bio_err, "-inkey file input key\n"); |
| BIO_printf(bio_err, "-keyform arg private key format - default PEM\n"); |
| BIO_printf(bio_err, "-pubin input is an RSA public\n"); |
| BIO_printf(bio_err, |
| "-certin input is a certificate carrying an RSA public key\n"); |
| BIO_printf(bio_err, "-ssl use SSL v2 padding\n"); |
| BIO_printf(bio_err, "-raw use no padding\n"); |
| BIO_printf(bio_err, |
| "-pkcs use PKCS#1 v1.5 padding (default)\n"); |
| BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n"); |
| BIO_printf(bio_err, "-sign sign with private key\n"); |
| BIO_printf(bio_err, "-verify verify with public key\n"); |
| BIO_printf(bio_err, "-encrypt encrypt with public key\n"); |
| BIO_printf(bio_err, "-decrypt decrypt with private key\n"); |
| BIO_printf(bio_err, "-hexdump hex dump output\n"); |
| # ifndef OPENSSL_NO_ENGINE |
| BIO_printf(bio_err, |
| "-engine e use engine e, possibly a hardware device.\n"); |
| BIO_printf(bio_err, "-passin arg pass phrase source\n"); |
| # endif |
| |
| } |
| |
| #else /* !OPENSSL_NO_RSA */ |
| |
| # if PEDANTIC |
| static void *dummy = &dummy; |
| # endif |
| |
| #endif |
