RSA is a structure containing the public modulus, private modulus, exponent
etc. Your rsa1 variable is a pointer to this structure. Why would you want
to print an address using %d?
-Sandeep
On Tue, Aug 3, 2010 at 9:40 AM, krishnamurthy santhanam <
krishnamurth...@gmail.com> wrote:
> yes ..i am not able to find the 128 byte RSA key.. how should get
> those information?
>
> kris
>
> On Tue, Aug 3, 2010 at 1:15 AM, Michael S. Zick <open...@morethan.org>wrote:
>
>> On Mon August 2 2010, krishnamurthy santhanam wrote:
>> > Hi,
>> >
>> > i am new to OpenSSL..i have to use RSA_generate key function to generate
>> > key..below is the program and outcome..is this the way to generate key?
>> >
>> > #include<stdio.h>
>> > #include<openssl/rsa.h>
>> > #include<string.h>
>> > int main()
>> > {
>> > char *plain="Sample text"; //Sample text (plain text) to Encrypt/Decrypt
>> > char *ciphertext;
>> > printf("%s\n",plain);
>> > // Generate RSA key
>> > RSA *rsa1= RSA_generate_key(1024,65537,NULL,NULL);
>> > // RSA_size() will determine how much memory must be allocated for an
>> > if(rsa1==NULL) {
>> > printf("NO RSA!\n\n");
>> > ERR_load_crypto_strings();
>> > ERR_print_errors_fp(stdout);
>> > }
>> > else
>> > {
>> > printf("RSA OK!\n");
>> > }
>> > ciphertext = (char *)malloc(RSA_size(rsa1));
>> > printf("rsa key = %d\n",rsa1);
>> > printf("RSA size = %d\n",RSA_size(rsa1));
>> > RSA_free(rsa1);
>> > }
>> >
>> > $ gcc -o rsa1 rsa1.c -lcrypto
>> >
>> > Output
>> > ---------
>> > $ ./rsa1
>> > Sample text
>> > RSA OK!
>> > rsa key = 473608208
>>
>> > RSA size = 128
>> >
>>
>> Times 8 bits per octet == 1024 bits as requested.
>>
>> >
>> > Please correct me if i am missing anything ..
>> >
>>
>> Does your %d recognize a number that is 128 bytes long?
>>
>> Mike
>> >
>> > kris
>> >
>>
>>
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>
>
