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author | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:52:47 +0000 |
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committer | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:52:47 +0000 |
commit | d02b48c63a58ea4367a0e905979f140b7d090f86 (patch) | |
tree | 504f62ed3d84799f785b9cd9fab255a21b0e1b0e /crypto/evp/p_open.c | |
download | openssl-d02b48c63a58ea4367a0e905979f140b7d090f86.tar.gz |
Import of old SSLeay release: SSLeay 0.8.1b
Diffstat (limited to 'crypto/evp/p_open.c')
-rw-r--r-- | crypto/evp/p_open.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/crypto/evp/p_open.c b/crypto/evp/p_open.c new file mode 100644 index 0000000000..46434051ae --- /dev/null +++ b/crypto/evp/p_open.c @@ -0,0 +1,118 @@ +/* crypto/evp/p_open.c */ +/* Copyright (C) 1995-1997 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 "cryptlib.h" +#include "evp.h" +#include "objects.h" +#include "x509.h" + +int EVP_OpenInit(ctx,type,ek,ekl,iv,priv) +EVP_CIPHER_CTX *ctx; +EVP_CIPHER *type; +unsigned char *ek; +int ekl; +unsigned char *iv; +EVP_PKEY *priv; + { + unsigned char *key=NULL; + int i,size=0,ret=0; + + if (priv->type != EVP_PKEY_RSA) + { + EVPerr(EVP_F_EVP_OPENINIT,EVP_R_PUBLIC_KEY_NOT_RSA); + ret= -1; + goto err; + } + + size=RSA_size(priv->pkey.rsa); + key=(unsigned char *)Malloc(size+2); + if (key == NULL) + { + /* ERROR */ + EVPerr(EVP_F_EVP_OPENINIT,ERR_R_MALLOC_FAILURE); + ret= -1; + goto err; + } + + i=RSA_private_decrypt(ekl,ek,key,priv->pkey.rsa,RSA_PKCS1_PADDING); + if (i != type->key_len) + { + /* ERROR */ + goto err; + } + + EVP_DecryptInit(ctx,type,key,iv); + ret=1; +err: + if (key != NULL) memset(key,0,size); + Free(key); + return(ret); + } + +int EVP_OpenFinal(ctx,out,outl) +EVP_CIPHER_CTX *ctx; +unsigned char *out; +int *outl; + { + int i; + + i=EVP_DecryptFinal(ctx,out,outl); + EVP_DecryptInit(ctx,NULL,NULL,NULL); + return(i); + } |