diff options
author | Arne Schwabe <arne@rfc2549.org> | 2012-04-16 19:21:14 +0200 |
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committer | Arne Schwabe <arne@rfc2549.org> | 2012-04-16 19:21:14 +0200 |
commit | 3e4d8f433239c40311037616b1b8833a06651ae0 (patch) | |
tree | 98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/apps/rsautl.c |
Initial import
Diffstat (limited to 'openssl/apps/rsautl.c')
-rw-r--r-- | openssl/apps/rsautl.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/openssl/apps/rsautl.c b/openssl/apps/rsautl.c new file mode 100644 index 00000000..b01f004e --- /dev/null +++ b/openssl/apps/rsautl.c @@ -0,0 +1,351 @@ +/* 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); + + /* 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 |