crypto/weakcrypto/test/tasymmetric/script_gen/utils.c
changeset 0 2c201484c85f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcrypto/test/tasymmetric/script_gen/utils.c	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,211 @@
+/*
+* 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);
+    }