Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/evp/pmeth_gn.c	Lines:	51	81	63.0 %
Date:	2017-11-07	Branches:	28	60	46.7 %


/* $OpenBSD: pmeth_gn.c,v 1.6 2017/01/29 17:49:23 beck 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) {
		EVPerror(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) {
		EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}

	if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
		EVPerror(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) {
		EVPerror(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) {
		EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
		return -2;
	}
	if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
		EVPerror(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 1.6 2017/01/29 17:49:23 beck 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	✓✗✓✗ ✗✓	24	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->paramgen) {
75			EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
76			return -2;
77			}
78		6	ctx->operation = EVP_PKEY_OP_PARAMGEN;
79	✓✗	6	if (!ctx->pmeth->paramgen_init)
80		6	return 1;
81			ret = ctx->pmeth->paramgen_init(ctx);
82			if (ret <= 0)
83			ctx->operation = EVP_PKEY_OP_UNDEFINED;
84			return ret;
85		6	}
86
87			int
88			EVP_PKEY_paramgen(EVP_PKEY_CTX ctx, EVP_PKEY *ppkey)
89			{
90			int ret;
91
92	✓✗✓✗ ✗✓	24	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->paramgen) {
93			EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
94			return -2;
95			}
96
97	✗✓	6	if (ctx->operation != EVP_PKEY_OP_PARAMGEN) {
98			EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
99			return -1;
100			}
101
102	✗✓	6	if (!ppkey)
103			return -1;
104
105	✓✗	6	if (!*ppkey)
106		6	*ppkey = EVP_PKEY_new();
107
108		6	ret = ctx->pmeth->paramgen(ctx, *ppkey);
109	✗✓	6	if (ret <= 0) {
110			EVP_PKEY_free(*ppkey);
111			*ppkey = NULL;
112			}
113		6	return ret;
114		6	}
115
116			int
117			EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx)
118			{
119			int ret;
120
121	✓✗✓✗ ✗✓	149636	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->keygen) {
122			EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
123			return -2;
124			}
125		37409	ctx->operation = EVP_PKEY_OP_KEYGEN;
126	✓✗	37409	if (!ctx->pmeth->keygen_init)
127		37409	return 1;
128			ret = ctx->pmeth->keygen_init(ctx);
129			if (ret <= 0)
130			ctx->operation = EVP_PKEY_OP_UNDEFINED;
131			return ret;
132		37409	}
133
134			int
135			EVP_PKEY_keygen(EVP_PKEY_CTX ctx, EVP_PKEY *ppkey)
136			{
137			int ret;
138
139	✓✗✓✗ ✗✓	149636	if (!ctx \|\| !ctx->pmeth \|\| !ctx->pmeth->keygen) {
140			EVPerror(EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
141			return -2;
142			}
143	✗✓	37409	if (ctx->operation != EVP_PKEY_OP_KEYGEN) {
144			EVPerror(EVP_R_OPERATON_NOT_INITIALIZED);
145			return -1;
146			}
147
148	✗✓	37409	if (!ppkey)
149			return -1;
150
151	✓✗	37409	if (!*ppkey)
152		37409	*ppkey = EVP_PKEY_new();
153
154		37409	ret = ctx->pmeth->keygen(ctx, *ppkey);
155	✗✓	37409	if (ret <= 0) {
156			EVP_PKEY_free(*ppkey);
157			*ppkey = NULL;
158			}
159		37409	return ret;
160		37409	}
161
162			void
163			EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX ctx, EVP_PKEY_gen_cb cb)
164			{
165		96	ctx->pkey_gencb = cb;
166		48	}
167
168			EVP_PKEY_gen_cb *
169			EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx)
170			{
171			return ctx->pkey_gencb;
172			}
173
174			/* "translation callback" to call EVP_PKEY_CTX callbacks using BN_GENCB
175			* style callbacks.
176			*/
177
178			static int
179			trans_cb(int a, int b, BN_GENCB *gcb)
180			{
181		24820	EVP_PKEY_CTX *ctx = gcb->arg;
182		12410	ctx->keygen_info[0] = a;
183		12410	ctx->keygen_info[1] = b;
184		12410	return ctx->pkey_gencb(ctx);
185			}
186
187			void
188			evp_pkey_set_cb_translate(BN_GENCB cb, EVP_PKEY_CTX ctx)
189			{
190		76	BN_GENCB_set(cb, trans_cb, ctx)
191		38	}
192
193			int
194			EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx)
195			{
196	✗✓	24820	if (idx == -1)
197			return ctx->keygen_info_count;
198	✓✗✗✓	24820	if (idx < 0 \|\| idx > ctx->keygen_info_count)
199			return 0;
200		12410	return ctx->keygen_info[idx];
201		12410	}
202
203			EVP_PKEY *
204			EVP_PKEY_new_mac_key(int type, ENGINE e, const unsigned char key, int keylen)
205			{
206			EVP_PKEY_CTX *mac_ctx = NULL;
207		74682	EVP_PKEY *mac_key = NULL;
208
209		37341	mac_ctx = EVP_PKEY_CTX_new_id(type, e);
210	✗✓	37341	if (!mac_ctx)
211			return NULL;
212	✓✗	37341	if (EVP_PKEY_keygen_init(mac_ctx) <= 0)
213			goto merr;
214	✓✗	74682	if (EVP_PKEY_CTX_ctrl(mac_ctx, -1, EVP_PKEY_OP_KEYGEN,
215		37341	EVP_PKEY_CTRL_SET_MAC_KEY, keylen, (void *)key) <= 0)
216			goto merr;
217		37341	if (EVP_PKEY_keygen(mac_ctx, &mac_key) <= 0)
218		37341	goto merr;
219
220			merr:
221		37341	EVP_PKEY_CTX_free(mac_ctx);
222		37341	return mac_key;
223		37341	}