Stop warnings.
[openssl.git] / fips / aes / fips_gcmtest.c
1 /* fips/aes/fips_gcmtest.c */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project.
4  */
5 /* ====================================================================
6  * Copyright (c) 2011 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
54
55 #define OPENSSL_FIPSAPI
56 #include <openssl/opensslconf.h>
57
58 #ifndef OPENSSL_FIPS
59 #include <stdio.h>
60
61 int main(int argc, char **argv)
62 {
63     printf("No FIPS GCM support\n");
64     return(0);
65 }
66 #else
67
68 #include <openssl/bn.h>
69 #include <openssl/dsa.h>
70 #include <openssl/fips.h>
71 #include <openssl/err.h>
72 #include <openssl/evp.h>
73 #include <string.h>
74 #include <ctype.h>
75
76 #include "fips_utl.h"
77
78 static void gcmtest(int encrypt)
79         {
80         char buf[2048];
81         char lbuf[2048];
82         char *keyword, *value;
83         int keylen = -1, ivlen = -1, aadlen = -1, taglen = -1, ptlen = -1;
84         int rv;
85         long l;
86         unsigned char *key = NULL, *iv = NULL, *aad = NULL, *tag = NULL;
87         unsigned char *ct = NULL, *pt = NULL;
88         EVP_CIPHER_CTX ctx;
89         const EVP_CIPHER *gcm = NULL;
90         FIPS_cipher_ctx_init(&ctx);
91
92         while(fgets(buf,sizeof buf,stdin) != NULL)
93                 {
94                 fputs(buf,stdout);
95                 if (!parse_line(&keyword, &value, lbuf, buf))
96                         continue;
97                 if(!strcmp(keyword,"[Keylen"))
98                         {
99                         keylen = atoi(value);
100                         if (keylen == 128)
101                                 gcm = EVP_aes_128_gcm();
102                         else if (keylen == 192)
103                                 gcm = EVP_aes_192_gcm();
104                         else if (keylen == 256)
105                                 gcm = EVP_aes_256_gcm();
106                         else 
107                                 {
108                                 fprintf(stderr, "Unsupported keylen %d\n",
109                                                         keylen);
110                                 }
111                         keylen >>= 3;
112                         }
113                 else if (!strcmp(keyword, "[IVlen"))
114                         ivlen = atoi(value) >> 3;
115                 else if (!strcmp(keyword, "[AADlen"))
116                         aadlen = atoi(value) >> 3;
117                 else if (!strcmp(keyword, "[Taglen"))
118                         taglen = atoi(value) >> 3;
119                 else if (!strcmp(keyword, "[PTlen"))
120                         ptlen = atoi(value) >> 3;
121                 else if(!strcmp(keyword,"Key"))
122                         {
123                         key = hex2bin_m(value, &l);
124                         if (l != keylen)
125                                 {
126                                 fprintf(stderr, "Inconsistent Key length\n");
127                                 exit(1);
128                                 }
129                         }
130                 else if(!strcmp(keyword,"IV"))
131                         {
132                         iv = hex2bin_m(value, &l);
133                         if (l != ivlen)
134                                 {
135                                 fprintf(stderr, "Inconsistent IV length\n");
136                                 exit(1);
137                                 }
138                         }
139                 else if(!strcmp(keyword,"PT"))
140                         {
141                         pt = hex2bin_m(value, &l);
142                         if (l != ptlen)
143                                 {
144                                 fprintf(stderr, "Inconsistent PT length\n");
145                                 exit(1);
146                                 }
147                         }
148                 else if(!strcmp(keyword,"CT"))
149                         {
150                         ct = hex2bin_m(value, &l);
151                         if (l != ptlen)
152                                 {
153                                 fprintf(stderr, "Inconsistent CT length\n");
154                                 exit(1);
155                                 }
156                         }
157                 else if(!strcmp(keyword,"AAD"))
158                         {
159                         aad = hex2bin_m(value, &l);
160                         if (l != aadlen)
161                                 {
162                                 fprintf(stderr, "Inconsistent AAD length\n");
163                                 exit(1);
164                                 }
165                         }
166                 else if(!strcmp(keyword,"Tag"))
167                         {
168                         tag = hex2bin_m(value, &l);
169                         if (l != taglen)
170                                 {
171                                 fprintf(stderr, "Inconsistent Tag length\n");
172                                 exit(1);
173                                 }
174                         }
175                 if (encrypt && pt && aad && (iv || encrypt==1))
176                         {
177                         tag = OPENSSL_malloc(taglen);
178                         FIPS_cipherinit(&ctx, gcm, NULL, NULL, 1);
179                         /* Relax FIPS constraints for testing */
180                         M_EVP_CIPHER_CTX_set_flags(&ctx, EVP_CIPH_FLAG_NON_FIPS_ALLOW);
181                         FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
182                         if (encrypt == 1)
183                                 {
184                                 static unsigned char iv_fixed[4] = {1,2,3,4};
185                                 if (!iv)
186                                         iv = OPENSSL_malloc(ivlen);
187                                 FIPS_cipherinit(&ctx, NULL, key, NULL, 1);
188                                 FIPS_cipher_ctx_ctrl(&ctx,
189                                                 EVP_CTRL_GCM_SET_IV_FIXED,
190                                                 4, iv_fixed);
191                                 if (!FIPS_cipher_ctx_ctrl(&ctx,
192                                         EVP_CTRL_GCM_IV_GEN, 0, iv))
193                                         {
194                                         fprintf(stderr, "IV gen error\n");
195                                         exit(1);
196                                         }
197                                 OutputValue("IV", iv, ivlen, stdout, 0);
198                                 }
199                         else
200                                 FIPS_cipherinit(&ctx, NULL, key, iv, 1);
201
202
203                         if (aadlen)
204                                 FIPS_cipher(&ctx, NULL, aad, aadlen);
205                         if (ptlen)
206                                 {
207                                 ct = OPENSSL_malloc(ptlen);
208                                 rv = FIPS_cipher(&ctx, ct, pt, ptlen);
209                                 }
210                         FIPS_cipher(&ctx, NULL, NULL, 0);
211                         FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG,
212                                                                 taglen, tag);   
213                         OutputValue("CT", ct, ptlen, stdout, 0);
214                         OutputValue("Tag", tag, taglen, stdout, 0);
215                         if (iv)
216                                 OPENSSL_free(iv);
217                         if (aad)
218                                 OPENSSL_free(aad);
219                         if (ct)
220                                 OPENSSL_free(ct);
221                         if (pt)
222                                 OPENSSL_free(pt);
223                         if (key)
224                                 OPENSSL_free(key);
225                         if (tag)
226                                 OPENSSL_free(tag);
227                         iv = aad = ct = pt = key = tag = NULL;
228                         }       
229                 if (!encrypt && tag)
230                         {
231                         FIPS_cipherinit(&ctx, gcm, NULL, NULL, 0);
232                         /* Relax FIPS constraints for testing */
233                         M_EVP_CIPHER_CTX_set_flags(&ctx, EVP_CIPH_FLAG_NON_FIPS_ALLOW);
234                         FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, 0);
235                         FIPS_cipherinit(&ctx, NULL, key, iv, 0);
236                         FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, taglen, tag);
237                         if (aadlen)
238                                 FIPS_cipher(&ctx, NULL, aad, aadlen);
239                         if (ptlen)
240                                 {
241                                 pt = OPENSSL_malloc(ptlen);
242                                 rv = FIPS_cipher(&ctx, pt, ct, ptlen);
243                                 }
244                         rv = FIPS_cipher(&ctx, NULL, NULL, 0);
245                         if (rv < 0)
246                                 printf("FAIL\n");
247                         else
248                                 OutputValue("PT", pt, ptlen, stdout, 0);
249                         if (iv)
250                                 OPENSSL_free(iv);
251                         if (aad)
252                                 OPENSSL_free(aad);
253                         if (ct)
254                                 OPENSSL_free(ct);
255                         if (pt)
256                                 OPENSSL_free(pt);
257                         if (key)
258                                 OPENSSL_free(key);
259                         if (tag)
260                                 OPENSSL_free(tag);
261                         iv = aad = ct = pt = key = tag = NULL;
262                         }
263                 }
264         }
265
266 int main(int argc,char **argv)
267         {
268         int encrypt;
269         if(argc != 2)
270                 {
271                 fprintf(stderr,"%s [-encrypt|-decrypt]\n",argv[0]);
272                 exit(1);
273                 }
274         fips_set_error_print();
275         if(!FIPS_mode_set(1))
276                 exit(1);
277         if(!strcmp(argv[1],"-encrypt"))
278                 encrypt = 1;
279         else if(!strcmp(argv[1],"-encryptIVext"))
280                 encrypt = 2;
281         else if(!strcmp(argv[1],"-decrypt"))
282                 encrypt = 0;
283         else
284                 {
285                 fprintf(stderr,"Don't know how to %s.\n",argv[1]);
286                 exit(1);
287                 }
288
289         gcmtest(encrypt);
290
291         return 0;
292 }
293
294 #endif