p_seal.c

Jenkins

p_seal.c

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

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/* $OpenBSD: p_seal.c,v 1.14 2014/10/22 13:02:04 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 <stdlib.h>

#include <openssl/opensslconf.h>

#include <openssl/evp.h>

#include <openssl/objects.h>

#include <openssl/x509.h>

#ifndef OPENSSL_NO_RSA

#include <openssl/rsa.h>

#endif

int

EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,

int *ekl, unsigned char *iv, EVP_PKEY **pubk, int npubk)

{

unsigned char key[EVP_MAX_KEY_LENGTH];

int i;

if (type) {

type	Description
TRUE	never evaluated
FALSE	never evaluated

EVP_CIPHER_CTX_init(ctx);

if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL))

!EVP_EncryptIn... ((void *)0) )	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

}

never executed: end of block

if ((npubk <= 0) || !pubk)

(npubk <= 0)	Description
TRUE	never evaluated
FALSE	never evaluated

!pubk	Description
TRUE	never evaluated
FALSE	never evaluated

return 1;

never executed: return 1;

if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)

EVP_CIPHER_CTX...ctx, key) <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

if (EVP_CIPHER_CTX_iv_length(ctx))

EVP_CIPHER_CTX_iv_length(ctx)	Description
TRUE	never evaluated
FALSE	never evaluated

arc4random_buf(iv, EVP_CIPHER_CTX_iv_length(ctx));

never executed: arc4random_buf(iv, EVP_CIPHER_CTX_iv_length(ctx));

if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv))

!EVP_EncryptIn...)0) , key, iv)	Description
TRUE	never evaluated
FALSE	never evaluated

return 0;

never executed: return 0;

for (i = 0; i < npubk; i++) {

i < npubk	Description
TRUE	never evaluated
FALSE	never evaluated

ekl[i] = EVP_PKEY_encrypt_old(ek[i], key,

EVP_CIPHER_CTX_key_length(ctx), pubk[i]);

if (ekl[i] <= 0)

ekl[i] <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

return (-1);

never executed: return (-1);

}

never executed: end of block

100

return (npubk);

never executed: return (npubk);

}

/* MACRO

void EVP_SealUpdate(ctx,out,outl,in,inl)

EVP_CIPHER_CTX *ctx;

unsigned char *out;

int *outl;

unsigned char *in;

int inl;

{

EVP_EncryptUpdate(ctx,out,outl,in,inl);

}

int

EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)

{

int i;

i = EVP_EncryptFinal_ex(ctx, out, outl);

121

if (i)

i	Description
TRUE	never evaluated
FALSE	never evaluated

122

i = EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, NULL);

never executed: i = EVP_EncryptInit_ex(ctx, ((void *)0) , ((void *)0) , ((void *)0) , ((void *)0) );

123

return i;

never executed: return i;

124

}

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