--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/test/tasymmetric/script_gen/utils.c Fri Jun 11 15:32:35 2010 +0300
@@ -0,0 +1,208 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+
+/**
+ @file
+*/
+
+#include "utils.h"
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/rand.h>
+
+void printBN(BIGNUM* bn)
+ {
+ char* text = BN_bn2hex(bn);
+ printf("%s", text);
+ OPENSSL_free(text);
+ }
+
+void printBin(char* data, int len)
+ {
+ BIGNUM* bn = BN_new();
+ bn = BN_bin2bn(data, len, bn);
+ printBN(bn);
+ BN_free(bn);
+ }
+
+static int vectorNumber = 1;
+
+/**
+ * Print the first few lines of the action block.
+ */
+
+void printActionHeader(char* name, char* type)
+ {
+ printf("<action>\n");
+ printf("\t<actionname>%s %i (%s)</actionname>\n", name, vectorNumber++, type);
+ printf("\t<actiontype>%s</actiontype>\n", type);
+ printf("\t<actionbody>\n");
+ }
+
+/**
+ * Print the last few lines of the action block.
+ */
+
+void printActionFooter(BOOL passes)
+ {
+ printf("\t</actionbody>\n");
+ printf("\t<actionresult>\n");
+ printf("\t\t<result>%s</result>\n", passes ? "ETrue" : "EFalse");
+ printf("\t</actionresult>\n");
+ printf("</action>\n");
+ }
+
+/**
+ * Print an element containg hex data.
+ */
+
+void printHexElement(char* name, unsigned char* data, int len)
+ {
+ printf("\t\t<%s>", name);
+ printBin(data, len);
+ printf("</%s>\n", name);
+ }
+
+/**
+ * Print an element containg hex data.
+ */
+
+void printBNElement(char* name, BIGNUM* num)
+ {
+ printf("\t\t<%s>", name);
+ printBN(num);
+ printf("</%s>\n", name);
+ }
+
+/**
+ * Scramble some data - used for generating tests that we expect to fail.
+ */
+
+void scramble(unsigned char* data, int len)
+ {
+ int i;
+ for (i = 0 ; i < len ; ++ i)
+ data[i] ^= i;
+ }
+
+/**
+ * Print an openssl error and exit.
+ */
+
+void processError()
+ {
+ unsigned long err = ERR_get_error();
+ ERR_load_crypto_strings();
+ printf("Openssl error: %s\n", ERR_error_string(err, NULL));
+ exit(1);
+ }
+
+////////////////////////////////////////////////////////////////////////////////
+// Random stuff
+////////////////////////////////////////////////////////////////////////////////
+
+int random_value = 1;
+
+void random_seed(const void* buf, int num)
+ {
+ }
+
+int random_bytes(unsigned char *buf, int num)
+ {
+ int i;
+ for (i=0; i<num; i++)
+ buf[i]=random_value++;
+
+ return(1);
+ }
+
+void random_cleanup(void)
+ {
+ }
+
+void random_add(const void *buf, int num, double entropy)
+ {
+ }
+
+int random_pseudorand(unsigned char *buf, int num)
+ {
+ return 1;
+ }
+
+int random_status(void)
+ {
+ return 1;
+ }
+
+RAND_METHOD ourRNG = {random_seed, random_bytes, random_cleanup, random_add, random_pseudorand, random_status};
+
+void testOurRandom()
+ {
+ char data[16];
+ int i;
+
+ RAND_bytes(data, 16);
+
+ for (i = 0 ; i < 16 ; ++i)
+ {
+ if (data[i] != i + 1)
+ {
+ printf("Random number generator not crippled\n");
+ exit(1);
+ }
+ }
+ }
+
+void setOurRandom()
+ {
+ random_value = 1;
+ RAND_set_rand_method(&ourRNG);
+ }
+
+/** Print C source for assinging binary data to a variable. */
+void printCBin(char* varname, unsigned char* data, int len)
+ {
+ int i, j;
+
+ printf("\tunsigned char %s[] =", varname);
+ for (i = 0 ; i < len ; i += 16)
+ {
+ printf("\n\t\t\"");
+ for (j = i ; j < len && j < (i + 16) ; ++j)
+ {
+ printf("\\x%02x", data[j]);
+ }
+ printf("\"");
+ }
+
+ printf(";\n\n");
+
+ printf("\tint %s_len = %i;\n\n", varname, len);
+ }
+
+/** Print C source for assigning the binary form of a BIGNUM to a variable. */
+void printCBN(char* varname, BIGNUM* bignum)
+ {
+ int len = BN_num_bytes(bignum);
+ unsigned char buffer[len];
+
+ BN_bn2bin(bignum, buffer);
+ printCBin(varname, buffer, len);
+ }