diff options
Diffstat (limited to 'openssl/crypto/rsa/rsa_pk1.c')
| -rw-r--r-- | openssl/crypto/rsa/rsa_pk1.c | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/openssl/crypto/rsa/rsa_pk1.c b/openssl/crypto/rsa/rsa_pk1.c deleted file mode 100644 index 8560755f..00000000 --- a/openssl/crypto/rsa/rsa_pk1.c +++ /dev/null @@ -1,224 +0,0 @@ -/* crypto/rsa/rsa_pk1.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" -#include <openssl/bn.h> -#include <openssl/rsa.h> -#include <openssl/rand.h> - -int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, - const unsigned char *from, int flen) - { - int j; - unsigned char *p; - - if (flen > (tlen-RSA_PKCS1_PADDING_SIZE)) - { - RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - return(0); - } - - p=(unsigned char *)to; - - *(p++)=0; - *(p++)=1; /* Private Key BT (Block Type) */ - - /* pad out with 0xff data */ - j=tlen-3-flen; - memset(p,0xff,j); - p+=j; - *(p++)='\0'; - memcpy(p,from,(unsigned int)flen); - return(1); - } - -int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, - const unsigned char *from, int flen, int num) - { - int i,j; - const unsigned char *p; - - p=from; - if ((num != (flen+1)) || (*(p++) != 01)) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BLOCK_TYPE_IS_NOT_01); - return(-1); - } - - /* scan over padding data */ - j=flen-1; /* one for type. */ - for (i=0; i<j; i++) - { - if (*p != 0xff) /* should decrypt to 0xff */ - { - if (*p == 0) - { p++; break; } - else { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BAD_FIXED_HEADER_DECRYPT); - return(-1); - } - } - p++; - } - - if (i == j) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_NULL_BEFORE_BLOCK_MISSING); - return(-1); - } - - if (i < 8) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_BAD_PAD_BYTE_COUNT); - return(-1); - } - i++; /* Skip over the '\0' */ - j-=i; - if (j > tlen) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1,RSA_R_DATA_TOO_LARGE); - return(-1); - } - memcpy(to,p,(unsigned int)j); - - return(j); - } - -int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, - const unsigned char *from, int flen) - { - int i,j; - unsigned char *p; - - if (flen > (tlen-11)) - { - RSAerr(RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2,RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE); - return(0); - } - - p=(unsigned char *)to; - - *(p++)=0; - *(p++)=2; /* Public Key BT (Block Type) */ - - /* pad out with non-zero random data */ - j=tlen-3-flen; - - if (RAND_bytes(p,j) <= 0) - return(0); - for (i=0; i<j; i++) - { - if (*p == '\0') - do { - if (RAND_bytes(p,1) <= 0) - return(0); - } while (*p == '\0'); - p++; - } - - *(p++)='\0'; - - memcpy(p,from,(unsigned int)flen); - return(1); - } - -int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, - const unsigned char *from, int flen, int num) - { - int i,j; - const unsigned char *p; - - p=from; - if ((num != (flen+1)) || (*(p++) != 02)) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_BLOCK_TYPE_IS_NOT_02); - return(-1); - } -#ifdef PKCS1_CHECK - return(num-11); -#endif - - /* scan over padding data */ - j=flen-1; /* one for type. */ - for (i=0; i<j; i++) - if (*(p++) == 0) break; - - if (i == j) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_NULL_BEFORE_BLOCK_MISSING); - return(-1); - } - - if (i < 8) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_BAD_PAD_BYTE_COUNT); - return(-1); - } - i++; /* Skip over the '\0' */ - j-=i; - if (j > tlen) - { - RSAerr(RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2,RSA_R_DATA_TOO_LARGE); - return(-1); - } - memcpy(to,p,(unsigned int)j); - - return(j); - } - |