Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/evp/pmeth_gn.c	Lines:	26	79	32.9 %
Date:	2016-12-06	Branches:	14	60	23.3 %


/* $OpenBSD: pmeth_gn.c,v 1.5 2014/07/12 16:03:37 miod Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include <stdlib.h>

#include <openssl/bn.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>

#include "evp_locl.h"

int
EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)
{
	int ret;

	if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
		EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT,
		    EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}
	ctx->operation = EVP_PKEY_OP_PARAMGEN;
	if (!ctx->pmeth->paramgen_init)
		return 1;
	ret = ctx->pmeth->paramgen_init(ctx);
	if (ret <= 0)
		ctx->operation = EVP_PKEY_OP_UNDEFINED;
	return ret;
}

int
EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
{
	int ret;

	if (!ctx || !ctx->pmeth || !ctx->pmeth->paramgen) {
		EVPerr(EVP_F_EVP_PKEY_PARAMGEN,
		    EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}

	if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
		EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED);
		return -1;
	}

	if (!ppkey)
		return -1;

	if (!*ppkey)
		*ppkey = EVP_PKEY_new();

	ret = ctx->pmeth->paramgen(ctx, *ppkey);
	if (ret <= 0) {
		EVP_PKEY_free(*ppkey);
		*ppkey = NULL;
	}
	return ret;
}

int
EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)
{
	int ret;

	if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
		EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT,
		    EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}
	ctx->operation = EVP_PKEY_OP_KEYGEN;
	if (!ctx->pmeth->keygen_init)
		return 1;
	ret = ctx->pmeth->keygen_init(ctx);
	if (ret <= 0)
		ctx->operation = EVP_PKEY_OP_UNDEFINED;
	return ret;
}

int
EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey)
{
	int ret;

	if (!ctx || !ctx->pmeth || !ctx->pmeth->keygen) {
		EVPerr(EVP_F_EVP_PKEY_KEYGEN,
		    EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}
	if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
		EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED);
		return -1;
	}

	if (!ppkey)
		return -1;

	if (!*ppkey)
		*ppkey = EVP_PKEY_new();

	ret = ctx->pmeth->keygen(ctx, *ppkey);
	if (ret <= 0) {
		EVP_PKEY_free(*ppkey);
		*ppkey = NULL;
	}
	return ret;
}

void
EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb)
{
	ctx->pkey_gencb = cb;
}

EVP_PKEY_gen_cb *
EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)
{
	return ctx->pkey_gencb;
}

/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB
 * style callbacks.
 */

static int
trans_cb(int a, int b, BN_GENCB *gcb)
{
	EVP_PKEY_CTX *ctx = gcb->arg;
	ctx->keygen_info[0] = a;
	ctx->keygen_info[1] = b;
	return ctx->pkey_gencb(ctx);
}

void
evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx)
{
	BN_GENCB_set(cb, trans_cb, ctx)
}

int
EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)
{
	if (idx == -1)
		return ctx->keygen_info_count;
	if (idx < 0 || idx > ctx->keygen_info_count)
		return 0;
	return ctx->keygen_info[idx];
}

EVP_PKEY *
EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key, int keylen)
{
	EVP_PKEY_CTX *mac_ctx = NULL;
	EVP_PKEY *mac_key = NULL;

	mac_ctx = EVP_PKEY_CTX_new_id(type, e);
	if (!mac_ctx)
		return NULL;
	if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
		goto merr;
	if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN,
	    EVP_PKEY_CTRL_SET_MAC_KEY, keylen, (void *)key) <= 0)
		goto merr;
	if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
		goto merr;

merr:
	EVP_PKEY_CTX_free(mac_ctx);
	return mac_key;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: pmeth_gn.c,v 1.5 2014/07/12 16:03:37 miod Exp $ */
2			/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3			* project 2006.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2006 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			* 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).
56			*
57			*/
58
59			#include <stdio.h>
60			#include <stdlib.h>
61
62			#include <openssl/bn.h>
63			#include <openssl/err.h>
64			#include <openssl/evp.h>
65			#include <openssl/objects.h>
66
67			#include "evp_locl.h"
68
69			int
70			EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx)
71			{
72			int ret;
73
74			if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->paramgen) {
75			EVPerr(EVP_F_EVP_PKEY_PARAMGEN_INIT,
76			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
77			return -2;
78			}
79			ctx->operation = EVP_PKEY_OP_PARAMGEN;
80			if (!ctx->pmeth->paramgen_init)
81			return 1;
82			ret = ctx->pmeth->paramgen_init(ctx);
83			if (ret <= 0)
84			ctx->operation = EVP_PKEY_OP_UNDEFINED;
85			return ret;
86			}
87
88			int
89			EVP_PKEY_paramgen(EVP_PKEY_CTX ctx, EVP_PKEY *ppkey)
90			{
91			int ret;
92
93			if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->paramgen) {
94			EVPerr(EVP_F_EVP_PKEY_PARAMGEN,
95			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
96			return -2;
97			}
98
99			if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
100			EVPerr(EVP_F_EVP_PKEY_PARAMGEN, EVP_R_OPERATON_NOT_INITIALIZED);
101			return -1;
102			}
103
104			if (!ppkey)
105			return -1;
106
107			if (!*ppkey)
108			*ppkey = EVP_PKEY_new();
109
110			ret = ctx->pmeth->paramgen(ctx, *ppkey);
111			if (ret <= 0) {
112			EVP_PKEY_free(*ppkey);
113			*ppkey = NULL;
114			}
115			return ret;
116			}
117
118			int
119			EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)
120		18	{
121			int ret;
122
123	✓✗✓✗ ✗✓	18	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->keygen) {
124			EVPerr(EVP_F_EVP_PKEY_KEYGEN_INIT,
125			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
126			return -2;
127			}
128		18	ctx->operation = EVP_PKEY_OP_KEYGEN;
129	✓✗	18	if (!ctx->pmeth->keygen_init)
130		18	return 1;
131			ret = ctx->pmeth->keygen_init(ctx);
132			if (ret <= 0)
133			ctx->operation = EVP_PKEY_OP_UNDEFINED;
134			return ret;
135			}
136
137			int
138			EVP_PKEY_keygen(EVP_PKEY_CTX ctx, EVP_PKEY *ppkey)
139		18	{
140			int ret;
141
142	✓✗✓✗ ✗✓	18	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->keygen) {
143			EVPerr(EVP_F_EVP_PKEY_KEYGEN,
144			EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
145			return -2;
146			}
147	✗✓	18	if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
148			EVPerr(EVP_F_EVP_PKEY_KEYGEN, EVP_R_OPERATON_NOT_INITIALIZED);
149			return -1;
150			}
151
152	✗✓	18	if (!ppkey)
153			return -1;
154
155	✓✗	18	if (!*ppkey)
156		18	*ppkey = EVP_PKEY_new();
157
158		18	ret = ctx->pmeth->keygen(ctx, *ppkey);
159	✗✓	18	if (ret <= 0) {
160			EVP_PKEY_free(*ppkey);
161			*ppkey = NULL;
162			}
163		18	return ret;
164			}
165
166			void
167			EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX ctx, EVP_PKEY_gen_cb cb)
168			{
169			ctx->pkey_gencb = cb;
170			}
171
172			EVP_PKEY_gen_cb *
173			EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)
174			{
175			return ctx->pkey_gencb;
176			}
177
178			/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB
179			* style callbacks.
180			*/
181
182			static int
183			trans_cb(int a, int b, BN_GENCB *gcb)
184			{
185			EVP_PKEY_CTX *ctx = gcb->arg;
186			ctx->keygen_info[0] = a;
187			ctx->keygen_info[1] = b;
188			return ctx->pkey_gencb(ctx);
189			}
190
191			void
192			evp_pkey_set_cb_translate(BN_GENCB cb, EVP_PKEY_CTX ctx)
193			{
194			BN_GENCB_set(cb, trans_cb, ctx)
195			}
196
197			int
198			EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)
199			{
200			if (idx == -1)
201			return ctx->keygen_info_count;
202			if (idx < 0 \|\| idx > ctx->keygen_info_count)
203			return 0;
204			return ctx->keygen_info[idx];
205			}
206
207			EVP_PKEY *
208			EVP_PKEY_new_mac_key(int type, ENGINE e, const unsigned char key, int keylen)
209		18	{
210		18	EVP_PKEY_CTX *mac_ctx = NULL;
211		18	EVP_PKEY *mac_key = NULL;
212
213		18	mac_ctx = EVP_PKEY_CTX_new_id(type, e);
214	✗✓	18	if (!mac_ctx)
215			return NULL;
216	✗✓	18	if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
217			goto merr;
218	✗✓	18	if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN,
219			EVP_PKEY_CTRL_SET_MAC_KEY, keylen, (void *)key) <= 0)
220			goto merr;
221		18	if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
222		18	goto merr;
223
224		18	merr:
225		18	EVP_PKEY_CTX_free(mac_ctx);
226		18	return mac_key;
227			}