/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (the 'License'). * You may not use this file except in compliance with the License. Please obtain * a copy of the License at http://www.apple.com/publicsource and read it before * using this file. * * This Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ /* rsa_null.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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 <stdio.h> #include "cryptlib.h" #include <openssl/bn.h> #include <openssl/rsa.h> #include <openssl/rand.h> /* This is a dummy RSA implementation that just returns errors when called. * It is designed to allow some RSA functions to work while stopping those * covered by the RSA patent. That is RSA, encryption, decryption, signing * and verify is not allowed but RSA key generation, key checking and other * operations (like storing RSA keys) are permitted. */ static int RSA_null_public_encrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa,int padding); static int RSA_null_private_encrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa,int padding); static int RSA_null_public_decrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa,int padding); static int RSA_null_private_decrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa,int padding); #if 0 /* not currently used */ static int RSA_null_mod_exp(BIGNUM *r0, BIGNUM *i, RSA *rsa); #endif static int RSA_null_init(RSA *rsa); static int RSA_null_finish(RSA *rsa); static const RSA_METHOD rsa_null_meth={ "Null RSA", RSA_null_public_encrypt, RSA_null_public_decrypt, RSA_null_private_encrypt, RSA_null_private_decrypt, NULL, NULL, RSA_null_init, RSA_null_finish, 0, NULL, }; const RSA_METHOD *RSA_null_method(void) { return(&rsa_null_meth); } static int RSA_null_public_encrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa, int padding) { RSAerr(RSA_F_RSA_NULL, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED); return -1; } static int RSA_null_private_encrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa, int padding) { RSAerr(RSA_F_RSA_NULL, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED); return -1; } static int RSA_null_private_decrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa, int padding) { RSAerr(RSA_F_RSA_NULL, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED); return -1; } static int RSA_null_public_decrypt(int flen, unsigned char *from, unsigned char *to, RSA *rsa, int padding) { RSAerr(RSA_F_RSA_NULL, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED); return -1; } #if 0 /* not currently used */ static int RSA_null_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa) { RSAerr(RSA_F_RSA_NULL, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED); return -1; } #endif static int RSA_null_init(RSA *rsa) { return(1); } static int RSA_null_finish(RSA *rsa) { return(1); }