1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/rsa/rsa_saos.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,150 @@
1.4 +/* crypto/rsa/rsa_saos.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include "cryptlib.h"
1.64 +#include <openssl/bn.h>
1.65 +#include <openssl/rsa.h>
1.66 +#include <openssl/objects.h>
1.67 +#include <openssl/x509.h>
1.68 +
1.69 +EXPORT_C int RSA_sign_ASN1_OCTET_STRING(int type,
1.70 + const unsigned char *m, unsigned int m_len,
1.71 + unsigned char *sigret, unsigned int *siglen, RSA *rsa)
1.72 + {
1.73 + ASN1_OCTET_STRING sig;
1.74 + int i,j,ret=1;
1.75 + unsigned char *p,*s;
1.76 +
1.77 + sig.type=V_ASN1_OCTET_STRING;
1.78 + sig.length=m_len;
1.79 + sig.data=(unsigned char *)m;
1.80 +
1.81 + i=i2d_ASN1_OCTET_STRING(&sig,NULL);
1.82 + j=RSA_size(rsa);
1.83 + if (i > (j-RSA_PKCS1_PADDING_SIZE))
1.84 + {
1.85 + RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
1.86 + return(0);
1.87 + }
1.88 + s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1);
1.89 + if (s == NULL)
1.90 + {
1.91 + RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
1.92 + return(0);
1.93 + }
1.94 + p=s;
1.95 + i2d_ASN1_OCTET_STRING(&sig,&p);
1.96 + i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING);
1.97 + if (i <= 0)
1.98 + ret=0;
1.99 + else
1.100 + *siglen=i;
1.101 +
1.102 + OPENSSL_cleanse(s,(unsigned int)j+1);
1.103 + OPENSSL_free(s);
1.104 + return(ret);
1.105 + }
1.106 +
1.107 +EXPORT_C int RSA_verify_ASN1_OCTET_STRING(int dtype,
1.108 + const unsigned char *m,
1.109 + unsigned int m_len, unsigned char *sigbuf, unsigned int siglen,
1.110 + RSA *rsa)
1.111 + {
1.112 + int i,ret=0;
1.113 + unsigned char *s;
1.114 + const unsigned char *p;
1.115 + ASN1_OCTET_STRING *sig=NULL;
1.116 +
1.117 + if (siglen != (unsigned int)RSA_size(rsa))
1.118 + {
1.119 + RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_WRONG_SIGNATURE_LENGTH);
1.120 + return(0);
1.121 + }
1.122 +
1.123 + s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
1.124 + if (s == NULL)
1.125 + {
1.126 + RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE);
1.127 + goto err;
1.128 + }
1.129 + i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING);
1.130 +
1.131 + if (i <= 0) goto err;
1.132 +
1.133 + p=s;
1.134 + sig=d2i_ASN1_OCTET_STRING(NULL,&p,(long)i);
1.135 + if (sig == NULL) goto err;
1.136 +
1.137 + if ( ((unsigned int)sig->length != m_len) ||
1.138 + (memcmp(m,sig->data,m_len) != 0))
1.139 + {
1.140 + RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_BAD_SIGNATURE);
1.141 + }
1.142 + else
1.143 + ret=1;
1.144 +err:
1.145 + if (sig != NULL) M_ASN1_OCTET_STRING_free(sig);
1.146 + if (s != NULL)
1.147 + {
1.148 + OPENSSL_cleanse(s,(unsigned int)siglen);
1.149 + OPENSSL_free(s);
1.150 + }
1.151 + return(ret);
1.152 + }
1.153 +