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Diffstat (limited to 'openssl/crypto/evp/e_rc2.c')
| -rw-r--r-- | openssl/crypto/evp/e_rc2.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/openssl/crypto/evp/e_rc2.c b/openssl/crypto/evp/e_rc2.c deleted file mode 100644 index f78d7811..00000000 --- a/openssl/crypto/evp/e_rc2.c +++ /dev/null @@ -1,237 +0,0 @@ -/* crypto/evp/e_rc2.c */ -/* 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 "cryptlib.h" - -#ifndef OPENSSL_NO_RC2 - -#include <openssl/evp.h> -#include <openssl/objects.h> -#include "evp_locl.h" -#include <openssl/rc2.h> - -static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv,int enc); -static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx); -static int rc2_magic_to_meth(int i); -static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); -static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); -static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); - -typedef struct - { - int key_bits; /* effective key bits */ - RC2_KEY ks; /* key schedule */ - } EVP_RC2_KEY; - -#define data(ctx) ((EVP_RC2_KEY *)(ctx)->cipher_data) - -IMPLEMENT_BLOCK_CIPHER(rc2, ks, RC2, EVP_RC2_KEY, NID_rc2, - 8, - RC2_KEY_LENGTH, 8, 64, - EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - rc2_init_key, NULL, - rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, - rc2_ctrl) - -#define RC2_40_MAGIC 0xa0 -#define RC2_64_MAGIC 0x78 -#define RC2_128_MAGIC 0x3a - -static const EVP_CIPHER r2_64_cbc_cipher= - { - NID_rc2_64_cbc, - 8,8 /* 64 bit */,8, - EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - rc2_init_key, - rc2_cbc_cipher, - NULL, - sizeof(EVP_RC2_KEY), - rc2_set_asn1_type_and_iv, - rc2_get_asn1_type_and_iv, - rc2_ctrl, - NULL - }; - -static const EVP_CIPHER r2_40_cbc_cipher= - { - NID_rc2_40_cbc, - 8,5 /* 40 bit */,8, - EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - rc2_init_key, - rc2_cbc_cipher, - NULL, - sizeof(EVP_RC2_KEY), - rc2_set_asn1_type_and_iv, - rc2_get_asn1_type_and_iv, - rc2_ctrl, - NULL - }; - -const EVP_CIPHER *EVP_rc2_64_cbc(void) - { - return(&r2_64_cbc_cipher); - } - -const EVP_CIPHER *EVP_rc2_40_cbc(void) - { - return(&r2_40_cbc_cipher); - } - -static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) - { - RC2_set_key(&data(ctx)->ks,EVP_CIPHER_CTX_key_length(ctx), - key,data(ctx)->key_bits); - return 1; - } - -static int rc2_meth_to_magic(EVP_CIPHER_CTX *e) - { - int i; - - EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i); - if (i == 128) return(RC2_128_MAGIC); - else if (i == 64) return(RC2_64_MAGIC); - else if (i == 40) return(RC2_40_MAGIC); - else return(0); - } - -static int rc2_magic_to_meth(int i) - { - if (i == RC2_128_MAGIC) return 128; - else if (i == RC2_64_MAGIC) return 64; - else if (i == RC2_40_MAGIC) return 40; - else - { - EVPerr(EVP_F_RC2_MAGIC_TO_METH,EVP_R_UNSUPPORTED_KEY_SIZE); - return(0); - } - } - -static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) - { - long num=0; - int i=0; - int key_bits; - unsigned int l; - unsigned char iv[EVP_MAX_IV_LENGTH]; - - if (type != NULL) - { - l=EVP_CIPHER_CTX_iv_length(c); - OPENSSL_assert(l <= sizeof(iv)); - i=ASN1_TYPE_get_int_octetstring(type,&num,iv,l); - if (i != (int)l) - return(-1); - key_bits =rc2_magic_to_meth((int)num); - if (!key_bits) - return(-1); - if(i > 0) EVP_CipherInit_ex(c, NULL, NULL, NULL, iv, -1); - EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits, NULL); - EVP_CIPHER_CTX_set_key_length(c, key_bits / 8); - } - return(i); - } - -static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) - { - long num; - int i=0,j; - - if (type != NULL) - { - num=rc2_meth_to_magic(c); - j=EVP_CIPHER_CTX_iv_length(c); - i=ASN1_TYPE_set_int_octetstring(type,num,c->oiv,j); - } - return(i); - } - -static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) - { - switch(type) - { - case EVP_CTRL_INIT: - data(c)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8; - return 1; - - case EVP_CTRL_GET_RC2_KEY_BITS: - *(int *)ptr = data(c)->key_bits; - return 1; - - case EVP_CTRL_SET_RC2_KEY_BITS: - if(arg > 0) - { - data(c)->key_bits = arg; - return 1; - } - return 0; -#ifdef PBE_PRF_TEST - case EVP_CTRL_PBE_PRF_NID: - *(int *)ptr = NID_hmacWithMD5; - return 1; -#endif - - default: - return -1; - } - } - -#endif |