e_xcbc

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e_xcbc_d.c

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/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/evp/e_xcbc_d.c

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/* $OpenBSD: e_xcbc_d.c,v 1.12 2014/07/11 08:44:48 jsing Exp $ */

* 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/opensslconf.h>

#ifndef OPENSSL_NO_DES

#include <openssl/des.h>

#include <openssl/evp.h>

#include <openssl/objects.h>

#include "evp_locl.h"

static int desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,

const unsigned char *iv, int enc);

static int desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,

const unsigned char *in, size_t inl);

typedef struct {

DES_key_schedule ks;/* key schedule */

DES_cblock inw;

DES_cblock outw;

} DESX_CBC_KEY;

#define data(ctx) ((DESX_CBC_KEY *)(ctx)->cipher_data)

static const EVP_CIPHER d_xcbc_cipher = {

NID_desx_cbc,

8, 24, 8,

EVP_CIPH_CBC_MODE,

desx_cbc_init_key,

desx_cbc_cipher,

NULL,

sizeof(DESX_CBC_KEY),

EVP_CIPHER_set_asn1_iv,

EVP_CIPHER_get_asn1_iv,

NULL,

NULL

};

const EVP_CIPHER *

EVP_desx_cbc(void)

{

return (&d_xcbc_cipher);

executed 292 times by 33 tests: return (&d_xcbc_cipher);

Executed by:

asn1test
base64test
bnaddsub
bntest
cipher_list
cipherstest
clienttest
configtest
dhtest
dsatest
ecdhtest
ecdsatest
ectest
enginetest
evptest
exptest
gost2814789t
hkdftest
keypairtest
libcrypto.so.44.0.1
mont
pbkdf2
pkcs7test
rc4test
rsa_test
...

292

}

static int

desx_cbc_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,

108

const unsigned char *iv, int enc)

109

{

110

DES_cblock *deskey = (DES_cblock *)key;

111

112

DES_set_key_unchecked(deskey, &data(ctx)->ks);

113

memcpy(&data(ctx)->inw[0], &key[8], 8);

114

memcpy(&data(ctx)->outw[0], &key[16], 8);

115

116

return 1;

executed 6 times by 2 tests: return 1;

Executed by:

evptest
libcrypto.so.44.0.1

}

static int

desx_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,

121

const unsigned char *in, size_t inl)

122

{

123

while (inl >= EVP_MAXCHUNK) {

inl >= ((size_...of(long)*8-2))	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 2 tests Evaluated by: evptest libcrypto.so.44.0.1

0-8

124

DES_xcbc_encrypt(in, out, (long)EVP_MAXCHUNK, &data(ctx)->ks,

125

(DES_cblock *)&(ctx->iv[0]), &data(ctx)->inw,

126

&data(ctx)->outw, ctx->encrypt);

inl -= EVP_MAXCHUNK;

in += EVP_MAXCHUNK;

out += EVP_MAXCHUNK;

}

never executed: end of block

131

if (inl)

inl	Description
TRUE	evaluated 8 times by 2 tests Evaluated by: evptest libcrypto.so.44.0.1
FALSE	never evaluated

0-8

132

DES_xcbc_encrypt(in, out, (long)inl, &data(ctx)->ks,

executed 8 times by 2 tests:

DES_xcbc_encrypt(in, out, (long)inl, &((DESX_CBC_KEY *)(ctx)->cipher_data)->ks, (DES_cblock *)&(ctx->iv[0]), &((DESX_CBC_KEY *)(ctx)->cipher_data)->inw, &((DESX_CBC_KEY *)(ctx)->cipher_data)->outw, ctx->encrypt);

Executed by:

evptest
libcrypto.so.44.0.1

133

(DES_cblock *)&(ctx->iv[0]), &data(ctx)->inw,

executed 8 times by 2 tests:

DES_xcbc_encrypt(in, out, (long)inl, &((DESX_CBC_KEY *)(ctx)->cipher_data)->ks, (DES_cblock *)&(ctx->iv[0]), &((DESX_CBC_KEY *)(ctx)->cipher_data)->inw, &((DESX_CBC_KEY *)(ctx)->cipher_data)->outw, ctx->encrypt);

Executed by:

evptest
libcrypto.so.44.0.1

134

&data(ctx)->outw, ctx->encrypt);

executed 8 times by 2 tests:

DES_xcbc_encrypt(in, out, (long)inl, &((DESX_CBC_KEY *)(ctx)->cipher_data)->ks, (DES_cblock *)&(ctx->iv[0]), &((DESX_CBC_KEY *)(ctx)->cipher_data)->inw, &((DESX_CBC_KEY *)(ctx)->cipher_data)->outw, ctx->encrypt);

Executed by:

evptest
libcrypto.so.44.0.1

135

return 1;

executed 8 times by 2 tests: return 1;

Executed by:

evptest
libcrypto.so.44.0.1

136

}

137

#endif

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