1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/security/crypto/weakcrypto/test/tasymmetric/script_gen/utils.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,208 @@
1.4 +/*
1.5 +* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of the License "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +
1.24 +/**
1.25 + @file
1.26 +*/
1.27 +
1.28 +#include "utils.h"
1.29 +#include <openssl/crypto.h>
1.30 +#include <openssl/err.h>
1.31 +#include <openssl/rand.h>
1.32 +
1.33 +void printBN(BIGNUM* bn)
1.34 + {
1.35 + char* text = BN_bn2hex(bn);
1.36 + printf("%s", text);
1.37 + OPENSSL_free(text);
1.38 + }
1.39 +
1.40 +void printBin(char* data, int len)
1.41 + {
1.42 + BIGNUM* bn = BN_new();
1.43 + bn = BN_bin2bn(data, len, bn);
1.44 + printBN(bn);
1.45 + BN_free(bn);
1.46 + }
1.47 +
1.48 +static int vectorNumber = 1;
1.49 +
1.50 +/**
1.51 + * Print the first few lines of the action block.
1.52 + */
1.53 +
1.54 +void printActionHeader(char* name, char* type)
1.55 + {
1.56 + printf("<action>\n");
1.57 + printf("\t<actionname>%s %i (%s)</actionname>\n", name, vectorNumber++, type);
1.58 + printf("\t<actiontype>%s</actiontype>\n", type);
1.59 + printf("\t<actionbody>\n");
1.60 + }
1.61 +
1.62 +/**
1.63 + * Print the last few lines of the action block.
1.64 + */
1.65 +
1.66 +void printActionFooter(BOOL passes)
1.67 + {
1.68 + printf("\t</actionbody>\n");
1.69 + printf("\t<actionresult>\n");
1.70 + printf("\t\t<result>%s</result>\n", passes ? "ETrue" : "EFalse");
1.71 + printf("\t</actionresult>\n");
1.72 + printf("</action>\n");
1.73 + }
1.74 +
1.75 +/**
1.76 + * Print an element containg hex data.
1.77 + */
1.78 +
1.79 +void printHexElement(char* name, unsigned char* data, int len)
1.80 + {
1.81 + printf("\t\t<%s>", name);
1.82 + printBin(data, len);
1.83 + printf("</%s>\n", name);
1.84 + }
1.85 +
1.86 +/**
1.87 + * Print an element containg hex data.
1.88 + */
1.89 +
1.90 +void printBNElement(char* name, BIGNUM* num)
1.91 + {
1.92 + printf("\t\t<%s>", name);
1.93 + printBN(num);
1.94 + printf("</%s>\n", name);
1.95 + }
1.96 +
1.97 +/**
1.98 + * Scramble some data - used for generating tests that we expect to fail.
1.99 + */
1.100 +
1.101 +void scramble(unsigned char* data, int len)
1.102 + {
1.103 + int i;
1.104 + for (i = 0 ; i < len ; ++ i)
1.105 + data[i] ^= i;
1.106 + }
1.107 +
1.108 +/**
1.109 + * Print an openssl error and exit.
1.110 + */
1.111 +
1.112 +void processError()
1.113 + {
1.114 + unsigned long err = ERR_get_error();
1.115 + ERR_load_crypto_strings();
1.116 + printf("Openssl error: %s\n", ERR_error_string(err, NULL));
1.117 + exit(1);
1.118 + }
1.119 +
1.120 +////////////////////////////////////////////////////////////////////////////////
1.121 +// Random stuff
1.122 +////////////////////////////////////////////////////////////////////////////////
1.123 +
1.124 +int random_value = 1;
1.125 +
1.126 +void random_seed(const void* buf, int num)
1.127 + {
1.128 + }
1.129 +
1.130 +int random_bytes(unsigned char *buf, int num)
1.131 + {
1.132 + int i;
1.133 + for (i=0; i<num; i++)
1.134 + buf[i]=random_value++;
1.135 +
1.136 + return(1);
1.137 + }
1.138 +
1.139 +void random_cleanup(void)
1.140 + {
1.141 + }
1.142 +
1.143 +void random_add(const void *buf, int num, double entropy)
1.144 + {
1.145 + }
1.146 +
1.147 +int random_pseudorand(unsigned char *buf, int num)
1.148 + {
1.149 + return 1;
1.150 + }
1.151 +
1.152 +int random_status(void)
1.153 + {
1.154 + return 1;
1.155 + }
1.156 +
1.157 +RAND_METHOD ourRNG = {random_seed, random_bytes, random_cleanup, random_add, random_pseudorand, random_status};
1.158 +
1.159 +void testOurRandom()
1.160 + {
1.161 + char data[16];
1.162 + int i;
1.163 +
1.164 + RAND_bytes(data, 16);
1.165 +
1.166 + for (i = 0 ; i < 16 ; ++i)
1.167 + {
1.168 + if (data[i] != i + 1)
1.169 + {
1.170 + printf("Random number generator not crippled\n");
1.171 + exit(1);
1.172 + }
1.173 + }
1.174 + }
1.175 +
1.176 +void setOurRandom()
1.177 + {
1.178 + random_value = 1;
1.179 + RAND_set_rand_method(&ourRNG);
1.180 + }
1.181 +
1.182 +/** Print C source for assinging binary data to a variable. */
1.183 +void printCBin(char* varname, unsigned char* data, int len)
1.184 + {
1.185 + int i, j;
1.186 +
1.187 + printf("\tunsigned char %s[] =", varname);
1.188 + for (i = 0 ; i < len ; i += 16)
1.189 + {
1.190 + printf("\n\t\t\"");
1.191 + for (j = i ; j < len && j < (i + 16) ; ++j)
1.192 + {
1.193 + printf("\\x%02x", data[j]);
1.194 + }
1.195 + printf("\"");
1.196 + }
1.197 +
1.198 + printf(";\n\n");
1.199 +
1.200 + printf("\tint %s_len = %i;\n\n", varname, len);
1.201 + }
1.202 +
1.203 +/** Print C source for assigning the binary form of a BIGNUM to a variable. */
1.204 +void printCBN(char* varname, BIGNUM* bignum)
1.205 + {
1.206 + int len = BN_num_bytes(bignum);
1.207 + unsigned char buffer[len];
1.208 +
1.209 + BN_bn2bin(bignum, buffer);
1.210 + printCBin(varname, buffer, len);
1.211 + }