Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/evp/evp_lib.c	Lines:	65	97	67.0 %
Date:	2016-12-06	Branches:	16	36	44.4 %


/* $OpenBSD: evp_lib.c,v 1.14 2015/02/10 09:52:35 miod Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * 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 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 acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS 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 AUTHOR OR 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.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <string.h>

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

int
EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
{
	int ret;

	if (c->cipher->set_asn1_parameters != NULL)
		ret = c->cipher->set_asn1_parameters(c, type);
	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
		ret = EVP_CIPHER_set_asn1_iv(c, type);
	else
		ret = -1;
	return (ret);
}

int
EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
{
	int ret;

	if (c->cipher->get_asn1_parameters != NULL)
		ret = c->cipher->get_asn1_parameters(c, type);
	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
		ret = EVP_CIPHER_get_asn1_iv(c, type);
	else
		ret = -1;
	return (ret);
}

int
EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
{
	int i = 0;
	unsigned int l;

	if (type != NULL) {
		l = EVP_CIPHER_CTX_iv_length(c);
		if (l > sizeof(c->iv)) {
			EVPerr(EVP_F_EVP_CIPHER_GET_ASN1_IV,
			     EVP_R_IV_TOO_LARGE);
			return 0;
		}
		i = ASN1_TYPE_get_octetstring(type, c->oiv, l);
		if (i != (int)l)
			return (-1);
		else if (i > 0)
			memcpy(c->iv, c->oiv, l);
	}
	return (i);
}

int
EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
{
	int i = 0;
	unsigned int j;

	if (type != NULL) {
		j = EVP_CIPHER_CTX_iv_length(c);
		if (j > sizeof(c->iv)) {
			EVPerr(EVP_F_EVP_CIPHER_SET_ASN1_IV,
			     EVP_R_IV_TOO_LARGE);
			return 0;
		}
		i = ASN1_TYPE_set_octetstring(type, c->oiv, j);
	}
	return (i);
}

/* Convert the various cipher NIDs and dummies to a proper OID NID */
int
EVP_CIPHER_type(const EVP_CIPHER *ctx)
{
	int nid;
	ASN1_OBJECT *otmp;
	nid = EVP_CIPHER_nid(ctx);

	switch (nid) {
	case NID_rc2_cbc:
	case NID_rc2_64_cbc:
	case NID_rc2_40_cbc:
		return NID_rc2_cbc;

	case NID_rc4:
	case NID_rc4_40:
		return NID_rc4;

	case NID_aes_128_cfb128:
	case NID_aes_128_cfb8:
	case NID_aes_128_cfb1:
		return NID_aes_128_cfb128;

	case NID_aes_192_cfb128:
	case NID_aes_192_cfb8:
	case NID_aes_192_cfb1:
		return NID_aes_192_cfb128;

	case NID_aes_256_cfb128:
	case NID_aes_256_cfb8:
	case NID_aes_256_cfb1:
		return NID_aes_256_cfb128;

	case NID_des_cfb64:
	case NID_des_cfb8:
	case NID_des_cfb1:
		return NID_des_cfb64;

	case NID_des_ede3_cfb64:
	case NID_des_ede3_cfb8:
	case NID_des_ede3_cfb1:
		return NID_des_cfb64;

	default:
		/* Check it has an OID and it is valid */
		otmp = OBJ_nid2obj(nid);
		if (!otmp || !otmp->data)
			nid = NID_undef;
		ASN1_OBJECT_free(otmp);
		return nid;
	}
}

int
EVP_CIPHER_block_size(const EVP_CIPHER *e)
{
	return e->block_size;
}

int
EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)
{
	return ctx->cipher->block_size;
}

int
EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
    unsigned int inl)
{
	return ctx->cipher->do_cipher(ctx, out, in, inl);
}

const EVP_CIPHER *
EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx)
{
	return ctx->cipher;
}

unsigned long
EVP_CIPHER_flags(const EVP_CIPHER *cipher)
{
	return cipher->flags;
}

unsigned long
EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
{
	return ctx->cipher->flags;
}

void *
EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
{
	return ctx->app_data;
}

void
EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data)
{
	ctx->app_data = data;
}

int
EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
{
	return cipher->iv_len;
}

int
EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
{
	return ctx->cipher->iv_len;
}

int
EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
{
	return cipher->key_len;
}

int
EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx)
{
	return ctx->key_len;
}

int
EVP_CIPHER_nid(const EVP_CIPHER *cipher)
{
	return cipher->nid;
}

int
EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx)
{
	return ctx->cipher->nid;
}

int
EVP_MD_block_size(const EVP_MD *md)
{
	return md->block_size;
}

int
EVP_MD_type(const EVP_MD *md)
{
	return md->type;
}

int
EVP_MD_pkey_type(const EVP_MD *md)
{
	return md->pkey_type;
}

int
EVP_MD_size(const EVP_MD *md)
{
	if (!md) {
		EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
		return -1;
	}
	return md->md_size;
}

unsigned long
EVP_MD_flags(const EVP_MD *md)
{
	return md->flags;
}

const EVP_MD *
EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
{
	if (!ctx)
		return NULL;
	return ctx->digest;
}

void
EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)
{
	ctx->flags |= flags;
}

void
EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags)
{
	ctx->flags &= ~flags;
}

int
EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags)
{
	return (ctx->flags & flags);
}

void
EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags)
{
	ctx->flags |= flags;
}

void
EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags)
{
	ctx->flags &= ~flags;
}

int
EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags)
{
	return (ctx->flags & flags);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: evp_lib.c,v 1.14 2015/02/10 09:52:35 miod Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <stdio.h>
60			#include <string.h>
61
62			#include <openssl/err.h>
63			#include <openssl/evp.h>
64			#include <openssl/objects.h>
65
66			int
67			EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX c, ASN1_TYPE type)
68		1	{
69			int ret;
70
71	✗✓	1	if (c->cipher->set_asn1_parameters != NULL)
72			ret = c->cipher->set_asn1_parameters(c, type);
73	✓✗	1	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
74		1	ret = EVP_CIPHER_set_asn1_iv(c, type);
75			else
76			ret = -1;
77		1	return (ret);
78			}
79
80			int
81			EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX c, ASN1_TYPE type)
82		1	{
83			int ret;
84
85	✗✓	1	if (c->cipher->get_asn1_parameters != NULL)
86			ret = c->cipher->get_asn1_parameters(c, type);
87	✓✗	1	else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
88		1	ret = EVP_CIPHER_get_asn1_iv(c, type);
89			else
90			ret = -1;
91		1	return (ret);
92			}
93
94			int
95			EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX c, ASN1_TYPE type)
96		1	{
97		1	int i = 0;
98			unsigned int l;
99
100	✓✗	1	if (type != NULL) {
101		1	l = EVP_CIPHER_CTX_iv_length(c);
102	✗✓	1	if (l > sizeof(c->iv)) {
103			EVPerr(EVP_F_EVP_CIPHER_GET_ASN1_IV,
104			EVP_R_IV_TOO_LARGE);
105			return 0;
106			}
107		1	i = ASN1_TYPE_get_octetstring(type, c->oiv, l);
108	✗✓	1	if (i != (int)l)
109			return (-1);
110	✓✗	1	else if (i > 0)
111		1	memcpy(c->iv, c->oiv, l);
112			}
113		1	return (i);
114			}
115
116			int
117			EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX c, ASN1_TYPE type)
118		1	{
119		1	int i = 0;
120			unsigned int j;
121
122	✓✗	1	if (type != NULL) {
123		1	j = EVP_CIPHER_CTX_iv_length(c);
124	✗✓	1	if (j > sizeof(c->iv)) {
125			EVPerr(EVP_F_EVP_CIPHER_SET_ASN1_IV,
126			EVP_R_IV_TOO_LARGE);
127			return 0;
128			}
129		1	i = ASN1_TYPE_set_octetstring(type, c->oiv, j);
130			}
131		1	return (i);
132			}
133
134			/* Convert the various cipher NIDs and dummies to a proper OID NID */
135			int
136			EVP_CIPHER_type(const EVP_CIPHER *ctx)
137		2	{
138			int nid;
139			ASN1_OBJECT *otmp;
140		2	nid = EVP_CIPHER_nid(ctx);
141
142	✗✗✗✗ ✗✗✗✓	2	switch (nid) {
143			case NID_rc2_cbc:
144			case NID_rc2_64_cbc:
145			case NID_rc2_40_cbc:
146			return NID_rc2_cbc;
147
148			case NID_rc4:
149			case NID_rc4_40:
150			return NID_rc4;
151
152			case NID_aes_128_cfb128:
153			case NID_aes_128_cfb8:
154			case NID_aes_128_cfb1:
155			return NID_aes_128_cfb128;
156
157			case NID_aes_192_cfb128:
158			case NID_aes_192_cfb8:
159			case NID_aes_192_cfb1:
160			return NID_aes_192_cfb128;
161
162			case NID_aes_256_cfb128:
163			case NID_aes_256_cfb8:
164			case NID_aes_256_cfb1:
165			return NID_aes_256_cfb128;
166
167			case NID_des_cfb64:
168			case NID_des_cfb8:
169			case NID_des_cfb1:
170			return NID_des_cfb64;
171
172			case NID_des_ede3_cfb64:
173			case NID_des_ede3_cfb8:
174			case NID_des_ede3_cfb1:
175			return NID_des_cfb64;
176
177			default:
178			/* Check it has an OID and it is valid */
179		2	otmp = OBJ_nid2obj(nid);
180	✓✗✗✓	2	if (!otmp \|\| !otmp->data)
181			nid = NID_undef;
182		2	ASN1_OBJECT_free(otmp);
183		2	return nid;
184			}
185			}
186
187			int
188			EVP_CIPHER_block_size(const EVP_CIPHER *e)
189			{
190			return e->block_size;
191			}
192
193			int
194			EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)
195			{
196			return ctx->cipher->block_size;
197			}
198
199			int
200			EVP_Cipher(EVP_CIPHER_CTX ctx, unsigned char out, const unsigned char *in,
201			unsigned int inl)
202			{
203			return ctx->cipher->do_cipher(ctx, out, in, inl);
204			}
205
206			const EVP_CIPHER *
207			EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx)
208			{
209			return ctx->cipher;
210			}
211
212			unsigned long
213			EVP_CIPHER_flags(const EVP_CIPHER *cipher)
214			{
215			return cipher->flags;
216			}
217
218			unsigned long
219			EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
220		534	{
221		534	return ctx->cipher->flags;
222			}
223
224			void *
225			EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
226			{
227			return ctx->app_data;
228			}
229
230			void
231			EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX ctx, void data)
232			{
233			ctx->app_data = data;
234			}
235
236			int
237			EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
238		1	{
239		1	return cipher->iv_len;
240			}
241
242			int
243			EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
244		488	{
245		488	return ctx->cipher->iv_len;
246			}
247
248			int
249			EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
250		1	{
251		1	return cipher->key_len;
252			}
253
254			int
255			EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx)
256		22	{
257		22	return ctx->key_len;
258			}
259
260			int
261			EVP_CIPHER_nid(const EVP_CIPHER *cipher)
262		187	{
263		187	return cipher->nid;
264			}
265
266			int
267			EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx)
268			{
269			return ctx->cipher->nid;
270			}
271
272			int
273			EVP_MD_block_size(const EVP_MD *md)
274		201	{
275		201	return md->block_size;
276			}
277
278			int
279			EVP_MD_type(const EVP_MD *md)
280		57	{
281		57	return md->type;
282			}
283
284			int
285			EVP_MD_pkey_type(const EVP_MD *md)
286			{
287			return md->pkey_type;
288			}
289
290			int
291			EVP_MD_size(const EVP_MD *md)
292		136	{
293	✗✓	136	if (!md) {
294			EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
295			return -1;
296			}
297		136	return md->md_size;
298			}
299
300			unsigned long
301			EVP_MD_flags(const EVP_MD *md)
302			{
303			return md->flags;
304			}
305
306			const EVP_MD *
307			EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
308		49	{
309	✓✓	49	if (!ctx)
310		17	return NULL;
311		32	return ctx->digest;
312			}
313
314			void
315			EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)
316		46243	{
317		46243	ctx->flags \|= flags;
318		46243	}
319
320			void
321			EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags)
322		1163	{
323		1163	ctx->flags &= ~flags;
324		1163	}
325
326			int
327			EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags)
328		181529	{
329		181529	return (ctx->flags & flags);
330			}
331
332			void
333			EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags)
334			{
335			ctx->flags \|= flags;
336			}
337
338			void
339			EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags)
340			{
341			ctx->flags &= ~flags;
342			}
343
344			int
345			EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags)
346			{
347			return (ctx->flags & flags);
348			}