1*0Sstevel@tonic-gate /* crypto/evp/p_sign.c */
2*0Sstevel@tonic-gate /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3*0Sstevel@tonic-gate * All rights reserved.
4*0Sstevel@tonic-gate *
5*0Sstevel@tonic-gate * This package is an SSL implementation written
6*0Sstevel@tonic-gate * by Eric Young (eay@cryptsoft.com).
7*0Sstevel@tonic-gate * The implementation was written so as to conform with Netscapes SSL.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * This library is free for commercial and non-commercial use as long as
10*0Sstevel@tonic-gate * the following conditions are aheared to. The following conditions
11*0Sstevel@tonic-gate * apply to all code found in this distribution, be it the RC4, RSA,
12*0Sstevel@tonic-gate * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13*0Sstevel@tonic-gate * included with this distribution is covered by the same copyright terms
14*0Sstevel@tonic-gate * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15*0Sstevel@tonic-gate *
16*0Sstevel@tonic-gate * Copyright remains Eric Young's, and as such any Copyright notices in
17*0Sstevel@tonic-gate * the code are not to be removed.
18*0Sstevel@tonic-gate * If this package is used in a product, Eric Young should be given attribution
19*0Sstevel@tonic-gate * as the author of the parts of the library used.
20*0Sstevel@tonic-gate * This can be in the form of a textual message at program startup or
21*0Sstevel@tonic-gate * in documentation (online or textual) provided with the package.
22*0Sstevel@tonic-gate *
23*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without
24*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions
25*0Sstevel@tonic-gate * are met:
26*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the copyright
27*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer.
28*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright
29*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the
30*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution.
31*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this software
32*0Sstevel@tonic-gate * must display the following acknowledgement:
33*0Sstevel@tonic-gate * "This product includes cryptographic software written by
34*0Sstevel@tonic-gate * Eric Young (eay@cryptsoft.com)"
35*0Sstevel@tonic-gate * The word 'cryptographic' can be left out if the rouines from the library
36*0Sstevel@tonic-gate * being used are not cryptographic related :-).
37*0Sstevel@tonic-gate * 4. If you include any Windows specific code (or a derivative thereof) from
38*0Sstevel@tonic-gate * the apps directory (application code) you must include an acknowledgement:
39*0Sstevel@tonic-gate * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40*0Sstevel@tonic-gate *
41*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51*0Sstevel@tonic-gate * SUCH DAMAGE.
52*0Sstevel@tonic-gate *
53*0Sstevel@tonic-gate * The licence and distribution terms for any publically available version or
54*0Sstevel@tonic-gate * derivative of this code cannot be changed. i.e. this code cannot simply be
55*0Sstevel@tonic-gate * copied and put under another distribution licence
56*0Sstevel@tonic-gate * [including the GNU Public Licence.]
57*0Sstevel@tonic-gate */
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate #include <stdio.h>
60*0Sstevel@tonic-gate #include "cryptlib.h"
61*0Sstevel@tonic-gate #include <openssl/evp.h>
62*0Sstevel@tonic-gate #include <openssl/objects.h>
63*0Sstevel@tonic-gate #include <openssl/x509.h>
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate #ifdef undef
EVP_SignInit(EVP_MD_CTX * ctx,EVP_MD * type)66*0Sstevel@tonic-gate void EVP_SignInit(EVP_MD_CTX *ctx, EVP_MD *type)
67*0Sstevel@tonic-gate {
68*0Sstevel@tonic-gate EVP_DigestInit_ex(ctx,type);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate
EVP_SignUpdate(EVP_MD_CTX * ctx,unsigned char * data,unsigned int count)71*0Sstevel@tonic-gate void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data,
72*0Sstevel@tonic-gate unsigned int count)
73*0Sstevel@tonic-gate {
74*0Sstevel@tonic-gate EVP_DigestUpdate(ctx,data,count);
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate #endif
77*0Sstevel@tonic-gate
EVP_SignFinal(EVP_MD_CTX * ctx,unsigned char * sigret,unsigned int * siglen,EVP_PKEY * pkey)78*0Sstevel@tonic-gate int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
79*0Sstevel@tonic-gate EVP_PKEY *pkey)
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate unsigned char m[EVP_MAX_MD_SIZE];
82*0Sstevel@tonic-gate unsigned int m_len;
83*0Sstevel@tonic-gate int i,ok=0,v;
84*0Sstevel@tonic-gate MS_STATIC EVP_MD_CTX tmp_ctx;
85*0Sstevel@tonic-gate
86*0Sstevel@tonic-gate *siglen=0;
87*0Sstevel@tonic-gate EVP_MD_CTX_init(&tmp_ctx);
88*0Sstevel@tonic-gate EVP_MD_CTX_copy_ex(&tmp_ctx,ctx);
89*0Sstevel@tonic-gate EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len);
90*0Sstevel@tonic-gate EVP_MD_CTX_cleanup(&tmp_ctx);
91*0Sstevel@tonic-gate for (i=0; i<4; i++)
92*0Sstevel@tonic-gate {
93*0Sstevel@tonic-gate v=ctx->digest->required_pkey_type[i];
94*0Sstevel@tonic-gate if (v == 0) break;
95*0Sstevel@tonic-gate if (pkey->type == v)
96*0Sstevel@tonic-gate {
97*0Sstevel@tonic-gate ok=1;
98*0Sstevel@tonic-gate break;
99*0Sstevel@tonic-gate }
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate if (!ok)
102*0Sstevel@tonic-gate {
103*0Sstevel@tonic-gate EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
104*0Sstevel@tonic-gate return(0);
105*0Sstevel@tonic-gate }
106*0Sstevel@tonic-gate if (ctx->digest->sign == NULL)
107*0Sstevel@tonic-gate {
108*0Sstevel@tonic-gate EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_NO_SIGN_FUNCTION_CONFIGURED);
109*0Sstevel@tonic-gate return(0);
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate return(ctx->digest->sign(ctx->digest->type,m,m_len,sigret,siglen,
112*0Sstevel@tonic-gate pkey->pkey.ptr));
113*0Sstevel@tonic-gate }
114*0Sstevel@tonic-gate
115