1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/evp/p_open.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,127 @@
1.4 +/* crypto/evp/p_open.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include "cryptlib.h"
1.64 +
1.65 +#ifndef OPENSSL_NO_RSA
1.66 +
1.67 +#include <openssl/evp.h>
1.68 +#include <openssl/objects.h>
1.69 +#include <openssl/x509.h>
1.70 +#include <openssl/rsa.h>
1.71 +
1.72 +EXPORT_C int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
1.73 + const unsigned char *ek, int ekl, const unsigned char *iv,
1.74 + EVP_PKEY *priv)
1.75 + {
1.76 + unsigned char *key=NULL;
1.77 + int i,size=0,ret=0;
1.78 +
1.79 + if(type) {
1.80 + EVP_CIPHER_CTX_init(ctx);
1.81 + if(!EVP_DecryptInit_ex(ctx,type,NULL, NULL,NULL)) return 0;
1.82 + }
1.83 +
1.84 + if(!priv) return 1;
1.85 +
1.86 + if (priv->type != EVP_PKEY_RSA)
1.87 + {
1.88 + EVPerr(EVP_F_EVP_OPENINIT,EVP_R_PUBLIC_KEY_NOT_RSA);
1.89 + goto err;
1.90 + }
1.91 +
1.92 + size=RSA_size(priv->pkey.rsa);
1.93 + key=(unsigned char *)OPENSSL_malloc(size+2);
1.94 + if (key == NULL)
1.95 + {
1.96 + /* ERROR */
1.97 + EVPerr(EVP_F_EVP_OPENINIT,ERR_R_MALLOC_FAILURE);
1.98 + goto err;
1.99 + }
1.100 +
1.101 + i=EVP_PKEY_decrypt(key,ek,ekl,priv);
1.102 + if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i))
1.103 + {
1.104 + /* ERROR */
1.105 + goto err;
1.106 + }
1.107 + if(!EVP_DecryptInit_ex(ctx,NULL,NULL,key,iv)) goto err;
1.108 +
1.109 + ret=1;
1.110 +err:
1.111 + if (key != NULL) OPENSSL_cleanse(key,size);
1.112 + OPENSSL_free(key);
1.113 + return(ret);
1.114 + }
1.115 +
1.116 +EXPORT_C int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
1.117 + {
1.118 + int i;
1.119 +
1.120 + i=EVP_DecryptFinal_ex(ctx,out,outl);
1.121 + EVP_DecryptInit_ex(ctx,NULL,NULL,NULL,NULL);
1.122 + return(i);
1.123 + }
1.124 +#else /* !OPENSSL_NO_RSA */
1.125 +
1.126 +# ifdef PEDANTIC
1.127 +static void *dummy=&dummy;
1.128 +# endif
1.129 +
1.130 +#endif