diff options
Diffstat (limited to 'usr.bin/openssl/rsa.c')
| -rw-r--r-- | usr.bin/openssl/rsa.c | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/usr.bin/openssl/rsa.c b/usr.bin/openssl/rsa.c new file mode 100644 index 00000000000..677e35f8592 --- /dev/null +++ b/usr.bin/openssl/rsa.c @@ -0,0 +1,392 @@ +/* $OpenBSD: rsa.c,v 1.1 2014/08/26 17:47:25 jsing Exp $ */ +/* 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 <openssl/opensslconf.h> + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "apps.h" + +#include <openssl/bio.h> +#include <openssl/bn.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/pem.h> +#include <openssl/rsa.h> +#include <openssl/x509.h> + +/* -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 + * -seed - encrypt output if PEM format + * -aes128 - encrypt output if PEM format + * -aes192 - encrypt output if PEM format + * -aes256 - encrypt output if PEM format + * -camellia128 - encrypt output if PEM format + * -camellia192 - encrypt output if PEM format + * -camellia256 - encrypt output if PEM format + * -text - print a text version + * -modulus - print the RSA key modulus + * -check - verify key consistency + * -pubin - Expect a public key in input file. + * -pubout - Output a public key. + */ + +int rsa_main(int, char **); + +int +rsa_main(int argc, char **argv) +{ + ENGINE *e = NULL; + int ret = 1; + RSA *rsa = NULL; + int i, badops = 0, sgckey = 0; + const EVP_CIPHER *enc = NULL; + BIO *out = NULL; + int informat, outformat, text = 0, check = 0, noout = 0; + int pubin = 0, pubout = 0; + char *infile, *outfile, *prog; + char *passargin = NULL, *passargout = NULL; + char *passin = NULL, *passout = NULL; +#ifndef OPENSSL_NO_ENGINE + char *engine = NULL; +#endif + int modulus = 0; + + int pvk_encr = 2; + + infile = NULL; + outfile = NULL; + informat = FORMAT_PEM; + outformat = FORMAT_PEM; + + 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, "-sgckey") == 0) + sgckey = 1; + else if (strcmp(*argv, "-pubin") == 0) + pubin = 1; + else if (strcmp(*argv, "-pubout") == 0) + pubout = 1; + else if (strcmp(*argv, "-RSAPublicKey_in") == 0) + pubin = 2; + else if (strcmp(*argv, "-RSAPublicKey_out") == 0) + pubout = 2; + else if (strcmp(*argv, "-pvk-strong") == 0) + pvk_encr = 2; + else if (strcmp(*argv, "-pvk-weak") == 0) + pvk_encr = 1; + else if (strcmp(*argv, "-pvk-none") == 0) + pvk_encr = 0; + 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, "-check") == 0) + check = 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++; + } + + 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 - one of DER NET PEM\n"); + BIO_printf(bio_err, " -outform arg output format - one of DER NET PEM\n"); + BIO_printf(bio_err, " -in arg input file\n"); + BIO_printf(bio_err, " -sgckey Use IIS SGC key format\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"); + 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 +#ifndef OPENSSL_NO_CAMELLIA + BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n"); + BIO_printf(bio_err, " encrypt PEM output with cbc camellia\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 RSA key modulus\n"); + BIO_printf(bio_err, " -check verify key consistency\n"); + BIO_printf(bio_err, " -pubin expect a public key in input file\n"); + BIO_printf(bio_err, " -pubout output a public key\n"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err, " -engine e use engine e, possibly a hardware device.\n"); +#endif + goto end; + } + ERR_load_crypto_strings(); + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine, 0); +#endif + + if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { + BIO_printf(bio_err, "Error getting passwords\n"); + goto end; + } + if (check && pubin) { + BIO_printf(bio_err, "Only private keys can be checked\n"); + goto end; + } + out = BIO_new(BIO_s_file()); + + { + EVP_PKEY *pkey; + + if (pubin) { + int tmpformat = -1; + if (pubin == 2) { + if (informat == FORMAT_PEM) + tmpformat = FORMAT_PEMRSA; + else if (informat == FORMAT_ASN1) + tmpformat = FORMAT_ASN1RSA; + } else if (informat == FORMAT_NETSCAPE && sgckey) + tmpformat = FORMAT_IISSGC; + else + tmpformat = informat; + + pkey = load_pubkey(bio_err, infile, tmpformat, 1, + passin, e, "Public Key"); + } else + pkey = load_key(bio_err, infile, + (informat == FORMAT_NETSCAPE && sgckey ? + FORMAT_IISSGC : informat), 1, + passin, e, "Private Key"); + + if (pkey != NULL) + rsa = EVP_PKEY_get1_RSA(pkey); + EVP_PKEY_free(pkey); + } + + if (rsa == NULL) { + ERR_print_errors(bio_err); + goto end; + } + if (outfile == NULL) { + BIO_set_fp(out, stdout, BIO_NOCLOSE); + } else { + if (BIO_write_filename(out, outfile) <= 0) { + perror(outfile); + goto end; + } + } + + if (text) + if (!RSA_print(out, rsa, 0)) { + perror(outfile); + ERR_print_errors(bio_err); + goto end; + } + if (modulus) { + BIO_printf(out, "Modulus="); + BN_print(out, rsa->n); + BIO_printf(out, "\n"); + } + if (check) { + int r = RSA_check_key(rsa); + + if (r == 1) + BIO_printf(out, "RSA key ok\n"); + else if (r == 0) { + unsigned long err; + + while ((err = ERR_peek_error()) != 0 && + ERR_GET_LIB(err) == ERR_LIB_RSA && + ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY && + ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { + BIO_printf(out, "RSA key error: %s\n", ERR_reason_error_string(err)); + ERR_get_error(); /* remove e from error + * stack */ + } + } + if (r == -1 || ERR_peek_error() != 0) { /* should happen only if + * r == -1 */ + ERR_print_errors(bio_err); + goto end; + } + } + if (noout) { + ret = 0; + goto end; + } + BIO_printf(bio_err, "writing RSA key\n"); + if (outformat == FORMAT_ASN1) { + if (pubout || pubin) { + if (pubout == 2) + i = i2d_RSAPublicKey_bio(out, rsa); + else + i = i2d_RSA_PUBKEY_bio(out, rsa); + } else + i = i2d_RSAPrivateKey_bio(out, rsa); + } +#ifndef OPENSSL_NO_RC4 + else if (outformat == FORMAT_NETSCAPE) { + unsigned char *p, *pp; + int size; + + i = 1; + size = i2d_RSA_NET(rsa, NULL, NULL, sgckey); + if ((p = malloc(size)) == NULL) { + BIO_printf(bio_err, "Memory allocation failure\n"); + goto end; + } + pp = p; + i2d_RSA_NET(rsa, &p, NULL, sgckey); + BIO_write(out, (char *) pp, size); + free(pp); + } +#endif + else if (outformat == FORMAT_PEM) { + if (pubout || pubin) { + if (pubout == 2) + i = PEM_write_bio_RSAPublicKey(out, rsa); + else + i = PEM_write_bio_RSA_PUBKEY(out, rsa); + } else + i = PEM_write_bio_RSAPrivateKey(out, rsa, + enc, NULL, 0, NULL, passout); +#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) + } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { + EVP_PKEY *pk; + pk = EVP_PKEY_new(); + EVP_PKEY_set1_RSA(pk, rsa); + if (outformat == FORMAT_PVK) + i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); + else if (pubin || pubout) + i = i2b_PublicKey_bio(out, pk); + else + 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 key\n"); + ERR_print_errors(bio_err); + } else + ret = 0; +end: + if (out != NULL) + BIO_free_all(out); + if (rsa != NULL) + RSA_free(rsa); + free(passin); + free(passout); + + return (ret); +} |