| OLD | NEW |
|---|
| (Empty) |
| 1 /* crypto/rsa/rsa_saos.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include "cryptlib.h" | |
| 61 #include <openssl/bn.h> | |
| 62 #include <openssl/rsa.h> | |
| 63 #include <openssl/objects.h> | |
| 64 #include <openssl/x509.h> | |
| 65 | |
| 66 int RSA_sign_ASN1_OCTET_STRING(int type, | |
| 67 const unsigned char *m, unsigned int m_len, | |
| 68 unsigned char *sigret, unsigned int *siglen, RSA *rsa) | |
| 69 { | |
| 70 ASN1_OCTET_STRING sig; | |
| 71 int i,j,ret=1; | |
| 72 unsigned char *p,*s; | |
| 73 | |
| 74 sig.type=V_ASN1_OCTET_STRING; | |
| 75 sig.length=m_len; | |
| 76 sig.data=(unsigned char *)m; | |
| 77 | |
| 78 i=i2d_ASN1_OCTET_STRING(&sig,NULL); | |
| 79 j=RSA_size(rsa); | |
| 80 if (i > (j-RSA_PKCS1_PADDING_SIZE)) | |
| 81 { | |
| 82 RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,RSA_R_DIGEST_TOO_BIG_FOR
_RSA_KEY); | |
| 83 return(0); | |
| 84 } | |
| 85 s=(unsigned char *)OPENSSL_malloc((unsigned int)j+1); | |
| 86 if (s == NULL) | |
| 87 { | |
| 88 RSAerr(RSA_F_RSA_SIGN_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE); | |
| 89 return(0); | |
| 90 } | |
| 91 p=s; | |
| 92 i2d_ASN1_OCTET_STRING(&sig,&p); | |
| 93 i=RSA_private_encrypt(i,s,sigret,rsa,RSA_PKCS1_PADDING); | |
| 94 if (i <= 0) | |
| 95 ret=0; | |
| 96 else | |
| 97 *siglen=i; | |
| 98 | |
| 99 OPENSSL_cleanse(s,(unsigned int)j+1); | |
| 100 OPENSSL_free(s); | |
| 101 return(ret); | |
| 102 } | |
| 103 | |
| 104 int RSA_verify_ASN1_OCTET_STRING(int dtype, | |
| 105 const unsigned char *m, | |
| 106 unsigned int m_len, unsigned char *sigbuf, unsigned int siglen, | |
| 107 RSA *rsa) | |
| 108 { | |
| 109 int i,ret=0; | |
| 110 unsigned char *s; | |
| 111 const unsigned char *p; | |
| 112 ASN1_OCTET_STRING *sig=NULL; | |
| 113 | |
| 114 if (siglen != (unsigned int)RSA_size(rsa)) | |
| 115 { | |
| 116 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_WRONG_SIGNATURE_
LENGTH); | |
| 117 return(0); | |
| 118 } | |
| 119 | |
| 120 s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen); | |
| 121 if (s == NULL) | |
| 122 { | |
| 123 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,ERR_R_MALLOC_FAILURE); | |
| 124 goto err; | |
| 125 } | |
| 126 i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING); | |
| 127 | |
| 128 if (i <= 0) goto err; | |
| 129 | |
| 130 p=s; | |
| 131 sig=d2i_ASN1_OCTET_STRING(NULL,&p,(long)i); | |
| 132 if (sig == NULL) goto err; | |
| 133 | |
| 134 if ( ((unsigned int)sig->length != m_len) || | |
| 135 (memcmp(m,sig->data,m_len) != 0)) | |
| 136 { | |
| 137 RSAerr(RSA_F_RSA_VERIFY_ASN1_OCTET_STRING,RSA_R_BAD_SIGNATURE); | |
| 138 } | |
| 139 else | |
| 140 ret=1; | |
| 141 err: | |
| 142 if (sig != NULL) M_ASN1_OCTET_STRING_free(sig); | |
| 143 if (s != NULL) | |
| 144 { | |
| 145 OPENSSL_cleanse(s,(unsigned int)siglen); | |
| 146 OPENSSL_free(s); | |
| 147 } | |
| 148 return(ret); | |
| 149 } | |
| 150 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master