summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/evp/e_rc2.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/evp/e_rc2.c')
-rw-r--r--thirdparty/openssl/crypto/evp/e_rc2.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/thirdparty/openssl/crypto/evp/e_rc2.c b/thirdparty/openssl/crypto/evp/e_rc2.c
deleted file mode 100644
index 718cc8694f..0000000000
--- a/thirdparty/openssl/crypto/evp/e_rc2.c
+++ /dev/null
@@ -1,235 +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))
- return -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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 12:39:08 +0000