diff options
Diffstat (limited to 'src/lib/libcrypto/rsa/rsa_ssl.c')
-rw-r--r-- | src/lib/libcrypto/rsa/rsa_ssl.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/lib/libcrypto/rsa/rsa_ssl.c b/src/lib/libcrypto/rsa/rsa_ssl.c deleted file mode 100644 index 60fc8ec94f..0000000000 --- a/src/lib/libcrypto/rsa/rsa_ssl.c +++ /dev/null | |||
@@ -1,147 +0,0 @@ | |||
1 | /* $OpenBSD: rsa_ssl.c,v 1.15 2017/01/29 17:49:23 beck Exp $ */ | ||
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | ||
3 | * All rights reserved. | ||
4 | * | ||
5 | * This package is an SSL implementation written | ||
6 | * by Eric Young (eay@cryptsoft.com). | ||
7 | * The implementation was written so as to conform with Netscapes SSL. | ||
8 | * | ||
9 | * This library is free for commercial and non-commercial use as long as | ||
10 | * the following conditions are aheared to. The following conditions | ||
11 | * apply to all code found in this distribution, be it the RC4, RSA, | ||
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | ||
13 | * included with this distribution is covered by the same copyright terms | ||
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | ||
15 | * | ||
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | ||
17 | * the code are not to be removed. | ||
18 | * If this package is used in a product, Eric Young should be given attribution | ||
19 | * as the author of the parts of the library used. | ||
20 | * This can be in the form of a textual message at program startup or | ||
21 | * in documentation (online or textual) provided with the package. | ||
22 | * | ||
23 | * Redistribution and use in source and binary forms, with or without | ||
24 | * modification, are permitted provided that the following conditions | ||
25 | * are met: | ||
26 | * 1. Redistributions of source code must retain the copyright | ||
27 | * notice, this list of conditions and the following disclaimer. | ||
28 | * 2. Redistributions in binary form must reproduce the above copyright | ||
29 | * notice, this list of conditions and the following disclaimer in the | ||
30 | * documentation and/or other materials provided with the distribution. | ||
31 | * 3. All advertising materials mentioning features or use of this software | ||
32 | * must display the following acknowledgement: | ||
33 | * "This product includes cryptographic software written by | ||
34 | * Eric Young (eay@cryptsoft.com)" | ||
35 | * The word 'cryptographic' can be left out if the rouines from the library | ||
36 | * being used are not cryptographic related :-). | ||
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | ||
38 | * the apps directory (application code) you must include an acknowledgement: | ||
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | ||
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
51 | * SUCH DAMAGE. | ||
52 | * | ||
53 | * The licence and distribution terms for any publically available version or | ||
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | ||
55 | * copied and put under another distribution licence | ||
56 | * [including the GNU Public Licence.] | ||
57 | */ | ||
58 | |||
59 | #include <stdio.h> | ||
60 | #include <stdlib.h> | ||
61 | #include <string.h> | ||
62 | |||
63 | #include <openssl/bn.h> | ||
64 | #include <openssl/err.h> | ||
65 | #include <openssl/rsa.h> | ||
66 | |||
67 | int | ||
68 | RSA_padding_add_SSLv23(unsigned char *to, int tlen, const unsigned char *from, | ||
69 | int flen) | ||
70 | { | ||
71 | int i, j; | ||
72 | unsigned char *p; | ||
73 | |||
74 | if (flen > tlen - 11) { | ||
75 | RSAerror(RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); | ||
76 | return 0; | ||
77 | } | ||
78 | |||
79 | p = (unsigned char *)to; | ||
80 | |||
81 | *(p++) = 0; | ||
82 | *(p++) = 2; /* Public Key BT (Block Type) */ | ||
83 | |||
84 | /* pad out with non-zero random data */ | ||
85 | j = tlen - 3 - 8 - flen; | ||
86 | |||
87 | arc4random_buf(p, j); | ||
88 | for (i = 0; i < j; i++) { | ||
89 | while (*p == '\0') | ||
90 | arc4random_buf(p, 1); | ||
91 | p++; | ||
92 | } | ||
93 | |||
94 | memset(p, 3, 8); | ||
95 | p += 8; | ||
96 | *(p++) = '\0'; | ||
97 | |||
98 | memcpy(p, from, flen); | ||
99 | return 1; | ||
100 | } | ||
101 | |||
102 | int | ||
103 | RSA_padding_check_SSLv23(unsigned char *to, int tlen, const unsigned char *from, | ||
104 | int flen, int num) | ||
105 | { | ||
106 | int i, j, k; | ||
107 | const unsigned char *p; | ||
108 | |||
109 | p = from; | ||
110 | if (flen < 10) { | ||
111 | RSAerror(RSA_R_DATA_TOO_SMALL); | ||
112 | return -1; | ||
113 | } | ||
114 | if (num != flen + 1 || *(p++) != 02) { | ||
115 | RSAerror(RSA_R_BLOCK_TYPE_IS_NOT_02); | ||
116 | return -1; | ||
117 | } | ||
118 | |||
119 | /* scan over padding data */ | ||
120 | j = flen - 1; /* one for type */ | ||
121 | for (i = 0; i < j; i++) | ||
122 | if (*(p++) == 0) | ||
123 | break; | ||
124 | |||
125 | if (i == j || i < 8) { | ||
126 | RSAerror(RSA_R_NULL_BEFORE_BLOCK_MISSING); | ||
127 | return -1; | ||
128 | } | ||
129 | for (k = -9; k < -1; k++) { | ||
130 | if (p[k] != 0x03) | ||
131 | break; | ||
132 | } | ||
133 | if (k == -1) { | ||
134 | RSAerror(RSA_R_SSLV3_ROLLBACK_ATTACK); | ||
135 | return -1; | ||
136 | } | ||
137 | |||
138 | i++; /* Skip over the '\0' */ | ||
139 | j -= i; | ||
140 | if (j > tlen) { | ||
141 | RSAerror(RSA_R_DATA_TOO_LARGE); | ||
142 | return -1; | ||
143 | } | ||
144 | memcpy(to, p, j); | ||
145 | |||
146 | return j; | ||
147 | } | ||