diff options
Diffstat (limited to 'openssl/crypto/rsa/rsa_x931.c')
| -rw-r--r-- | openssl/crypto/rsa/rsa_x931.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/openssl/crypto/rsa/rsa_x931.c b/openssl/crypto/rsa/rsa_x931.c deleted file mode 100644 index 21548e37..00000000 --- a/openssl/crypto/rsa/rsa_x931.c +++ /dev/null @@ -1,177 +0,0 @@ -/* rsa_x931.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2005. - */ -/* ==================================================================== - * Copyright (c) 2005 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/bn.h> -#include <openssl/rsa.h> -#include <openssl/rand.h> -#include <openssl/objects.h> - -int RSA_padding_add_X931(unsigned char *to, int tlen, - const unsigned char *from, int flen) - { - int j; - unsigned char *p; - - /* Absolute minimum amount of padding is 1 header nibble, 1 padding - * nibble and 2 trailer bytes: but 1 hash if is already in 'from'. - */ - - j = tlen - flen - 2; - - if (j < 0) - { - RSAerr(RSA_F_RSA_PADDING_ADD_X931,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - return -1; - } - - p=(unsigned char *)to; - - /* If no padding start and end nibbles are in one byte */ - if (j == 0) - *p++ = 0x6A; - else - { - *p++ = 0x6B; - if (j > 1) - { - memset(p, 0xBB, j - 1); - p += j - 1; - } - *p++ = 0xBA; - } - memcpy(p,from,(unsigned int)flen); - p += flen; - *p = 0xCC; - return(1); - } - -int RSA_padding_check_X931(unsigned char *to, int tlen, - const unsigned char *from, int flen, int num) - { - int i = 0,j; - const unsigned char *p; - - p=from; - if ((num != flen) || ((*p != 0x6A) && (*p != 0x6B))) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_X931,RSA_R_INVALID_HEADER); - return -1; - } - - if (*p++ == 0x6B) - { - j=flen-3; - for (i = 0; i < j; i++) - { - unsigned char c = *p++; - if (c == 0xBA) - break; - if (c != 0xBB) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_X931, - RSA_R_INVALID_PADDING); - return -1; - } - } - - j -= i; - - if (i == 0) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_PADDING); - return -1; - } - - } - else j = flen - 2; - - if (p[j] != 0xCC) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_X931, RSA_R_INVALID_TRAILER); - return -1; - } - - memcpy(to,p,(unsigned int)j); - - return(j); - } - -/* Translate between X931 hash ids and NIDs */ - -int RSA_X931_hash_id(int nid) - { - switch (nid) - { - case NID_sha1: - return 0x33; - - case NID_sha256: - return 0x34; - - case NID_sha384: - return 0x36; - - case NID_sha512: - return 0x35; - - } - return -1; - } - |