1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/rsa/rsa_null.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,151 @@
1.4 +/* rsa_null.c */
1.5 +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
1.6 + * project 1999.
1.7 + */
1.8 +/* ====================================================================
1.9 + * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
1.10 + *
1.11 + * Redistribution and use in source and binary forms, with or without
1.12 + * modification, are permitted provided that the following conditions
1.13 + * are met:
1.14 + *
1.15 + * 1. Redistributions of source code must retain the above copyright
1.16 + * notice, this list of conditions and the following disclaimer.
1.17 + *
1.18 + * 2. Redistributions in binary form must reproduce the above copyright
1.19 + * notice, this list of conditions and the following disclaimer in
1.20 + * the documentation and/or other materials provided with the
1.21 + * distribution.
1.22 + *
1.23 + * 3. All advertising materials mentioning features or use of this
1.24 + * software must display the following acknowledgment:
1.25 + * "This product includes software developed by the OpenSSL Project
1.26 + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
1.27 + *
1.28 + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
1.29 + * endorse or promote products derived from this software without
1.30 + * prior written permission. For written permission, please contact
1.31 + * licensing@OpenSSL.org.
1.32 + *
1.33 + * 5. Products derived from this software may not be called "OpenSSL"
1.34 + * nor may "OpenSSL" appear in their names without prior written
1.35 + * permission of the OpenSSL Project.
1.36 + *
1.37 + * 6. Redistributions of any form whatsoever must retain the following
1.38 + * acknowledgment:
1.39 + * "This product includes software developed by the OpenSSL Project
1.40 + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
1.41 + *
1.42 + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
1.43 + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.44 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.45 + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
1.46 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.47 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
1.48 + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
1.49 + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.50 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.51 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.52 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.53 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.54 + * ====================================================================
1.55 + *
1.56 + * This product includes cryptographic software written by Eric Young
1.57 + * (eay@cryptsoft.com). This product includes software written by Tim
1.58 + * Hudson (tjh@cryptsoft.com).
1.59 + *
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include "cryptlib.h"
1.64 +#include <openssl/bn.h>
1.65 +#include <openssl/rsa.h>
1.66 +#include <openssl/rand.h>
1.67 +
1.68 +/* This is a dummy RSA implementation that just returns errors when called.
1.69 + * It is designed to allow some RSA functions to work while stopping those
1.70 + * covered by the RSA patent. That is RSA, encryption, decryption, signing
1.71 + * and verify is not allowed but RSA key generation, key checking and other
1.72 + * operations (like storing RSA keys) are permitted.
1.73 + */
1.74 +
1.75 +static int RSA_null_public_encrypt(int flen, const unsigned char *from,
1.76 + unsigned char *to, RSA *rsa,int padding);
1.77 +static int RSA_null_private_encrypt(int flen, const unsigned char *from,
1.78 + unsigned char *to, RSA *rsa,int padding);
1.79 +static int RSA_null_public_decrypt(int flen, const unsigned char *from,
1.80 + unsigned char *to, RSA *rsa,int padding);
1.81 +static int RSA_null_private_decrypt(int flen, const unsigned char *from,
1.82 + unsigned char *to, RSA *rsa,int padding);
1.83 +#if 0 /* not currently used */
1.84 +static int RSA_null_mod_exp(const BIGNUM *r0, const BIGNUM *i, RSA *rsa);
1.85 +#endif
1.86 +static int RSA_null_init(RSA *rsa);
1.87 +static int RSA_null_finish(RSA *rsa);
1.88 +static RSA_METHOD rsa_null_meth={
1.89 + "Null RSA",
1.90 + RSA_null_public_encrypt,
1.91 + RSA_null_public_decrypt,
1.92 + RSA_null_private_encrypt,
1.93 + RSA_null_private_decrypt,
1.94 + NULL,
1.95 + NULL,
1.96 + RSA_null_init,
1.97 + RSA_null_finish,
1.98 + 0,
1.99 + NULL,
1.100 + NULL,
1.101 + NULL,
1.102 + NULL
1.103 + };
1.104 +
1.105 +EXPORT_C const RSA_METHOD *RSA_null_method(void)
1.106 + {
1.107 + return(&rsa_null_meth);
1.108 + }
1.109 +
1.110 +static int RSA_null_public_encrypt(int flen, const unsigned char *from,
1.111 + unsigned char *to, RSA *rsa, int padding)
1.112 + {
1.113 + RSAerr(RSA_F_RSA_NULL_PUBLIC_ENCRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
1.114 + return -1;
1.115 + }
1.116 +
1.117 +static int RSA_null_private_encrypt(int flen, const unsigned char *from,
1.118 + unsigned char *to, RSA *rsa, int padding)
1.119 + {
1.120 + RSAerr(RSA_F_RSA_NULL_PRIVATE_ENCRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
1.121 + return -1;
1.122 + }
1.123 +
1.124 +static int RSA_null_private_decrypt(int flen, const unsigned char *from,
1.125 + unsigned char *to, RSA *rsa, int padding)
1.126 + {
1.127 + RSAerr(RSA_F_RSA_NULL_PRIVATE_DECRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
1.128 + return -1;
1.129 + }
1.130 +
1.131 +static int RSA_null_public_decrypt(int flen, const unsigned char *from,
1.132 + unsigned char *to, RSA *rsa, int padding)
1.133 + {
1.134 + RSAerr(RSA_F_RSA_NULL_PUBLIC_DECRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
1.135 + return -1;
1.136 + }
1.137 +
1.138 +#if 0 /* not currently used */
1.139 +static int RSA_null_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
1.140 + {
1.141 + ...err(RSA_F_RSA_NULL_MOD_EXP, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
1.142 + return -1;
1.143 + }
1.144 +#endif
1.145 +
1.146 +static int RSA_null_init(RSA *rsa)
1.147 + {
1.148 + return(1);
1.149 + }
1.150 +
1.151 +static int RSA_null_finish(RSA *rsa)
1.152 + {
1.153 + return(1);
1.154 + }