os/security/crypto/weakcrypto/test/tasymmetric/script_gen/gen_random.c
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/crypto/weakcrypto/test/tasymmetric/script_gen/gen_random.c	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,70 @@
     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 +* Generates C code that initialises a variable to hold some random data.
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +
    1.24 +
    1.25 +/**
    1.26 + @file
    1.27 +*/
    1.28 +
    1.29 +#include <openssl/rand.h>
    1.30 +
    1.31 +static void gen_random(int len)
    1.32 +    {
    1.33 +    unsigned char data[len];
    1.34 +    int i, j;
    1.35 +
    1.36 +    RAND_bytes(data, len);
    1.37 +
    1.38 +    printf("unsigned char random[] =");
    1.39 +    for (i = 0 ; i < sizeof(data) ; i += 16)
    1.40 +        {
    1.41 +        printf("\n\t\"");
    1.42 +        for (j = i ; j < sizeof(data) && j < (i + 16) ; ++j)
    1.43 +            {
    1.44 +            printf("\\x%02x", data[j]);
    1.45 +            }
    1.46 +        printf("\"");
    1.47 +        }
    1.48 +
    1.49 +    printf(";\n");
    1.50 +    }
    1.51 +
    1.52 +static void badUsage()
    1.53 +    {
    1.54 +    printf("gen_random [BYTES]\n");
    1.55 +    exit(1);
    1.56 +    }
    1.57 +
    1.58 +int main(int argc, char* argv[])
    1.59 +    {
    1.60 +    int bytes = 256;
    1.61 +
    1.62 +    if (argc > 2)
    1.63 +        badUsage();
    1.64 +    else if (argc == 2)
    1.65 +        {
    1.66 +        bytes = atoi(argv[1]);
    1.67 +        if (bytes < 1)
    1.68 +            badUsage();
    1.69 +        }
    1.70 +
    1.71 +    gen_random(bytes);
    1.72 +    return 0;
    1.73 +    }