+/* rsautl.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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 "apps.h"
+#include <openssl/err.h>
+#include <openssl/pem.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)
+{
+ BIO *in = NULL, *out = NULL;
+ char *infile = NULL, *outfile = NULL;
+ 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;
+ int rsa_inlen, rsa_outlen = 0;
+ int keysize;
+
+ int ret = 1;
+
+ argc--;
+ argv++;
+
+ if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+ ERR_load_crypto_strings();
+ OpenSSL_add_all_algorithms();
+ pad = RSA_PKCS1_PADDING;
+
+ while(argc >= 1)
+ {
+ if (!strcmp(*argv,"-in")) {
+ if (--argc < 1) badarg = 1;
+ infile= *(++argv);
+ } else if (!strcmp(*argv,"-out")) {
+ if (--argc < 1) badarg = 1;
+ outfile= *(++argv);
+ } else if(!strcmp(*argv, "-inkey")) {
+ if (--argc < 1) badarg = 1;
+ keyfile = *(++argv);
+ } 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, "-ssl")) pad = RSA_SSLV23_PADDING;
+ else if(!strcmp(*argv, "-pkcs")) pad = RSA_PKCS1_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;
+ }
+
+ switch(key_type) {
+ case KEY_PRIVKEY:
+ pkey = load_key(bio_err, keyfile, keyform, NULL);
+ break;
+
+ case KEY_PUBKEY:
+ pkey = load_pubkey(bio_err, keyfile, keyform);
+ break;
+
+ case KEY_CERT:
+ x = load_cert(bio_err, keyfile, keyform);
+ if(x) {
+ pkey = X509_get_pubkey(x);
+ X509_free(x);
+ }
+ break;
+ }
+
+ if(!pkey) {
+ BIO_printf(bio_err, "Error loading key\n");
+ 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);
+
+ keysize = RSA_size(rsa);
+
+ rsa_in = OPENSSL_malloc(keysize * 2);
+ rsa_out = OPENSSL_malloc(keysize);
+
+ /* 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(out);
+ if(rsa_in) OPENSSL_free(rsa_in);
+ if(rsa_out) OPENSSL_free(rsa_out);
+ 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, "-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 padding (default)\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");
+}
+
projects / openssl.git / commitdiff