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Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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1 /* rsa_null.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 1999.
4 */
5 /* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59 #include <stdio.h>
60 #include "cryptlib.h"
61 #include <openssl/bn.h>
62 #include <openssl/rsa.h>
63 #include <openssl/rand.h>
64
65 /* This is a dummy RSA implementation that just returns errors when called.
66 * It is designed to allow some RSA functions to work while stopping those
67 * covered by the RSA patent. That is RSA, encryption, decryption, signing
68 * and verify is not allowed but RSA key generation, key checking and other
69 * operations (like storing RSA keys) are permitted.
70 */
71
72 static int RSA_null_public_encrypt(int flen, const unsigned char *from,
73 unsigned char *to, RSA *rsa,int padding);
74 static int RSA_null_private_encrypt(int flen, const unsigned char *from,
75 unsigned char *to, RSA *rsa,int padding);
76 static int RSA_null_public_decrypt(int flen, const unsigned char *from,
77 unsigned char *to, RSA *rsa,int padding);
78 static int RSA_null_private_decrypt(int flen, const unsigned char *from,
79 unsigned char *to, RSA *rsa,int padding);
80 #if 0 /* not currently used */
81 static int RSA_null_mod_exp(const BIGNUM *r0, const BIGNUM *i, RSA *rsa);
82 #endif
83 static int RSA_null_init(RSA *rsa);
84 static int RSA_null_finish(RSA *rsa);
85 static RSA_METHOD rsa_null_meth={
86 "Null RSA",
87 RSA_null_public_encrypt,
88 RSA_null_public_decrypt,
89 RSA_null_private_encrypt,
90 RSA_null_private_decrypt,
91 NULL,
92 NULL,
93 RSA_null_init,
94 RSA_null_finish,
95 0,
96 NULL,
97 NULL,
98 NULL,
99 NULL
100 };
101
102 const RSA_METHOD *RSA_null_method(void)
103 {
104 return(&rsa_null_meth);
105 }
106
107 static int RSA_null_public_encrypt(int flen, const unsigned char *from,
108 unsigned char *to, RSA *rsa, int padding)
109 {
110 RSAerr(RSA_F_RSA_NULL_PUBLIC_ENCRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED );
111 return -1;
112 }
113
114 static int RSA_null_private_encrypt(int flen, const unsigned char *from,
115 unsigned char *to, RSA *rsa, int padding)
116 {
117 RSAerr(RSA_F_RSA_NULL_PRIVATE_ENCRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTE D);
118 return -1;
119 }
120
121 static int RSA_null_private_decrypt(int flen, const unsigned char *from,
122 unsigned char *to, RSA *rsa, int padding)
123 {
124 RSAerr(RSA_F_RSA_NULL_PRIVATE_DECRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTE D);
125 return -1;
126 }
127
128 static int RSA_null_public_decrypt(int flen, const unsigned char *from,
129 unsigned char *to, RSA *rsa, int padding)
130 {
131 RSAerr(RSA_F_RSA_NULL_PUBLIC_DECRYPT, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED );
132 return -1;
133 }
134
135 #if 0 /* not currently used */
136 static int RSA_null_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
137 {
138 ...err(RSA_F_RSA_NULL_MOD_EXP, RSA_R_RSA_OPERATIONS_NOT_SUPPORTED);
139 return -1;
140 }
141 #endif
142
143 static int RSA_null_init(RSA *rsa)
144 {
145 return(1);
146 }
147
148 static int RSA_null_finish(RSA *rsa)
149 {
150 return(1);
151 }
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