2.5.7 gnutls_x509_privkey_generate() returns GNUTLS_E_INVALID_REQUEST

[Sam Varshavchik]

The following short test program runs when compiled against 2.4.0. Compiling 
it against 2.5.7 causes it to report a GNUTLS_E_INVALID_REQUEST from the 
second call to gnutls_x509_privkey_generate().



#include <gcrypt.h>
#include <gnutls/gnutls.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

GCRY_THREAD_OPTION_PTHREAD_IMPL;

int main()
{
        int i;

        gcry_control(GCRYCTL_SET_THREAD_CBS, &gcry_threads_pthread);
        gcry_control(GCRYCTL_ENABLE_QUICK_RANDOM);
        gnutls_global_init();

        for (i=0; i<2; i++)
        {
                gnutls_x509_privkey_t privkey;
                int err;

                gnutls_x509_privkey_init(&privkey);

                err=gnutls_x509_privkey_generate(privkey, GNUTLS_PK_RSA, 512,
                                                 0);

                if (err < 0)
                {
                        fprintf(stderr, "Error %d\n", err);
                        exit(1);
                }

                gnutls_x509_privkey_deinit(privkey);
        }
        return(0);
}

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