1 /* ====================================================================
2 * Copyright (c) 2003 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
53 #include <openssl/opensslconf.h>
54 #include <openssl/sha.h>
55 #include <openssl/hmac.h>
57 #ifndef FIPSCANISTER_O
58 int FIPS_selftest_failed()
63 void FIPS_selftest_check()
67 void OPENSSL_cleanse(void *p, size_t len)
74 static void hmac_init(SHA_CTX *md_ctx, SHA_CTX *o_ctx, const char *key)
76 size_t len = strlen(key);
78 unsigned char keymd[HMAC_MAX_MD_CBLOCK];
79 unsigned char pad[HMAC_MAX_MD_CBLOCK];
81 if (len > SHA_CBLOCK) {
83 SHA1_Update(md_ctx, key, len);
84 SHA1_Final(keymd, md_ctx);
87 memcpy(keymd, key, len);
88 memset(&keymd[len], '\0', HMAC_MAX_MD_CBLOCK - len);
90 for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
91 pad[i] = 0x36 ^ keymd[i];
93 SHA1_Update(md_ctx, pad, SHA_CBLOCK);
95 for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
96 pad[i] = 0x5c ^ keymd[i];
98 SHA1_Update(o_ctx, pad, SHA_CBLOCK);
101 static void hmac_final(unsigned char *md, SHA_CTX *md_ctx, SHA_CTX *o_ctx)
103 unsigned char buf[20];
105 SHA1_Final(buf, md_ctx);
106 SHA1_Update(o_ctx, buf, sizeof buf);
107 SHA1_Final(md, o_ctx);
112 int main(int argc, char **argv)
115 static char key[] = "etaonrishdlcupfm";
119 fprintf(stderr, "%s [<file>]+\n", argv[0]);
124 if (!strcmp(argv[n], "-binary")) {
126 binary = 1; /* emit binary fingerprint... */
129 for (; n < argc; ++n) {
130 FILE *f = fopen(argv[n], "rb");
131 SHA_CTX md_ctx, o_ctx;
132 unsigned char md[20];
140 hmac_init(&md_ctx, &o_ctx, key);
143 size_t l = fread(buf, 1, sizeof buf, f);
152 SHA1_Update(&md_ctx, buf, l);
154 hmac_final(md, &md_ctx, &o_ctx);
157 fwrite(md, 20, 1, stdout);
158 break; /* ... for single(!) file */
161 printf("HMAC-SHA1(%s)= ", argv[n]);
162 for (i = 0; i < 20; ++i)
163 printf("%02x", md[i]);