diff options
Diffstat (limited to 'src/lib/libcrypto/rsa/rsa_pk1.c')
-rw-r--r-- | src/lib/libcrypto/rsa/rsa_pk1.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/lib/libcrypto/rsa/rsa_pk1.c b/src/lib/libcrypto/rsa/rsa_pk1.c deleted file mode 100644 index 6c3e7fb846..0000000000 --- a/src/lib/libcrypto/rsa/rsa_pk1.c +++ /dev/null | |||
@@ -1,224 +0,0 @@ | |||
1 | /* $OpenBSD: rsa_pk1.c,v 1.14 2014/10/22 13:02:04 jsing 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_PKCS1_type_1(unsigned char *to, int tlen, | ||
69 | const unsigned char *from, int flen) | ||
70 | { | ||
71 | int j; | ||
72 | unsigned char *p; | ||
73 | |||
74 | if (flen > (tlen - RSA_PKCS1_PADDING_SIZE)) { | ||
75 | RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1, | ||
76 | RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); | ||
77 | return 0; | ||
78 | } | ||
79 | |||
80 | p = (unsigned char *)to; | ||
81 | |||
82 | *(p++) = 0; | ||
83 | *(p++) = 1; /* Private Key BT (Block Type) */ | ||
84 | |||
85 | /* pad out with 0xff data */ | ||
86 | j = tlen - 3 - flen; | ||
87 | memset(p, 0xff, j); | ||
88 | p += j; | ||
89 | *(p++) = '\0'; | ||
90 | memcpy(p, from, flen); | ||
91 | |||
92 | return 1; | ||
93 | } | ||
94 | |||
95 | int | ||
96 | RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, | ||
97 | const unsigned char *from, int flen, int num) | ||
98 | { | ||
99 | int i, j; | ||
100 | const unsigned char *p; | ||
101 | |||
102 | p = from; | ||
103 | if (num != flen + 1 || *(p++) != 01) { | ||
104 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, | ||
105 | RSA_R_BLOCK_TYPE_IS_NOT_01); | ||
106 | return -1; | ||
107 | } | ||
108 | |||
109 | /* scan over padding data */ | ||
110 | j = flen - 1; /* one for type. */ | ||
111 | for (i = 0; i < j; i++) { | ||
112 | if (*p != 0xff) { | ||
113 | /* should decrypt to 0xff */ | ||
114 | if (*p == 0) { | ||
115 | p++; | ||
116 | break; | ||
117 | } else { | ||
118 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, | ||
119 | RSA_R_BAD_FIXED_HEADER_DECRYPT); | ||
120 | return -1; | ||
121 | } | ||
122 | } | ||
123 | p++; | ||
124 | } | ||
125 | |||
126 | if (i == j) { | ||
127 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, | ||
128 | RSA_R_NULL_BEFORE_BLOCK_MISSING); | ||
129 | return -1; | ||
130 | } | ||
131 | |||
132 | if (i < 8) { | ||
133 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, | ||
134 | RSA_R_BAD_PAD_BYTE_COUNT); | ||
135 | return -1; | ||
136 | } | ||
137 | i++; /* Skip over the '\0' */ | ||
138 | j -= i; | ||
139 | if (j > tlen) { | ||
140 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1, | ||
141 | RSA_R_DATA_TOO_LARGE); | ||
142 | return -1; | ||
143 | } | ||
144 | memcpy(to, p, j); | ||
145 | |||
146 | return j; | ||
147 | } | ||
148 | |||
149 | int | ||
150 | RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, | ||
151 | const unsigned char *from, int flen) | ||
152 | { | ||
153 | int i, j; | ||
154 | unsigned char *p; | ||
155 | |||
156 | if (flen > tlen - 11) { | ||
157 | RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2, | ||
158 | RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); | ||
159 | return 0; | ||
160 | } | ||
161 | |||
162 | p = (unsigned char *)to; | ||
163 | |||
164 | *(p++) = 0; | ||
165 | *(p++) = 2; /* Public Key BT (Block Type) */ | ||
166 | |||
167 | /* pad out with non-zero random data */ | ||
168 | j = tlen - 3 - flen; | ||
169 | |||
170 | arc4random_buf(p, j); | ||
171 | for (i = 0; i < j; i++) { | ||
172 | while (*p == '\0') | ||
173 | arc4random_buf(p, 1); | ||
174 | p++; | ||
175 | } | ||
176 | |||
177 | *(p++) = '\0'; | ||
178 | |||
179 | memcpy(p, from, flen); | ||
180 | return 1; | ||
181 | } | ||
182 | |||
183 | int | ||
184 | RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, | ||
185 | const unsigned char *from, int flen, int num) | ||
186 | { | ||
187 | int i, j; | ||
188 | const unsigned char *p; | ||
189 | |||
190 | p = from; | ||
191 | if (num != flen + 1 || *(p++) != 02) { | ||
192 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, | ||
193 | RSA_R_BLOCK_TYPE_IS_NOT_02); | ||
194 | return -1; | ||
195 | } | ||
196 | |||
197 | /* scan over padding data */ | ||
198 | j = flen - 1; /* one for type. */ | ||
199 | for (i = 0; i < j; i++) | ||
200 | if (*(p++) == 0) | ||
201 | break; | ||
202 | |||
203 | if (i == j) { | ||
204 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, | ||
205 | RSA_R_NULL_BEFORE_BLOCK_MISSING); | ||
206 | return -1; | ||
207 | } | ||
208 | |||
209 | if (i < 8) { | ||
210 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, | ||
211 | RSA_R_BAD_PAD_BYTE_COUNT); | ||
212 | return -1; | ||
213 | } | ||
214 | i++; /* Skip over the '\0' */ | ||
215 | j -= i; | ||
216 | if (j > tlen) { | ||
217 | RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2, | ||
218 | RSA_R_DATA_TOO_LARGE); | ||
219 | return -1; | ||
220 | } | ||
221 | memcpy(to, p, j); | ||
222 | |||
223 | return j; | ||
224 | } | ||