2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2011 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
59 #define OPENSSL_FIPSAPI
62 #include <openssl/evp.h>
63 #include <openssl/dsa.h>
64 #include <openssl/err.h>
65 #include <openssl/sha.h>
66 #include <openssl/bn.h>
70 /* FIPS versions of DSA_sign() and DSA_verify().
71 * Handle DSA_SIG structures to avoid need to handle ASN1.
74 DSA_SIG * FIPS_dsa_sign_ctx(DSA *dsa, EVP_MD_CTX *ctx)
77 unsigned char dig[EVP_MAX_MD_SIZE];
79 FIPS_digestfinal(ctx, dig, &dlen);
80 s = dsa->meth->dsa_do_sign(dig,dlen,dsa);
81 OPENSSL_cleanse(dig, dlen);
85 DSA_SIG * FIPS_dsa_sign_digest(DSA *dsa, const unsigned char *dig, int dlen)
87 if (FIPS_selftest_failed())
89 FIPSerr(FIPS_F_FIPS_DSA_SIGN_DIGEST, FIPS_R_SELFTEST_FAILED);
92 return dsa->meth->dsa_do_sign(dig, dlen, dsa);
95 int FIPS_dsa_verify_ctx(DSA *dsa, EVP_MD_CTX *ctx, DSA_SIG *s)
98 unsigned char dig[EVP_MAX_MD_SIZE];
100 FIPS_digestfinal(ctx, dig, &dlen);
101 ret=dsa->meth->dsa_do_verify(dig,dlen,s,dsa);
102 OPENSSL_cleanse(dig, dlen);
106 int FIPS_dsa_verify_digest(DSA *dsa,
107 const unsigned char *dig, int dlen, DSA_SIG *s)
109 if (FIPS_selftest_failed())
111 FIPSerr(FIPS_F_FIPS_DSA_VERIFY_DIGEST, FIPS_R_SELFTEST_FAILED);
114 return dsa->meth->dsa_do_verify(dig,dlen,s,dsa);