#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "bio.h"
-#include "bn.h"
-#include "rand.h"
-#include "err.h"
-#ifdef WINDOWS
-#include "../bio/bss_file.c"
-#endif
+
+#include "../e_os.h"
+
+#include <openssl/bio.h>
+#include <openssl/bn.h>
+#include <openssl/rand.h>
+#include <openssl/err.h>
#define NUM_BITS (BN_BITS*2)
-int main(argc,argv)
-int argc;
-char *argv[];
+static const char rnd_seed[] = "string to make the random number generator think it has entropy";
+
+int main(int argc, char *argv[])
{
BN_CTX *ctx;
BIO *out=NULL;
int i,ret;
unsigned char c;
- BIGNUM *r_mont,*r_recp,*a,*b,*m;
+ BIGNUM *r_mont,*r_recp,*r_simple,*a,*b,*m;
+
+ RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_rand may fail, and we don't
+ * even check its return value
+ * (which we should) */
+
+ ERR_load_BN_strings();
ctx=BN_CTX_new();
- if (ctx == NULL) exit(1);
+ if (ctx == NULL) EXIT(1);
r_mont=BN_new();
r_recp=BN_new();
+ r_simple=BN_new();
a=BN_new();
b=BN_new();
m=BN_new();
out=BIO_new(BIO_s_file());
- if (out == NULL) exit(1);
+ if (out == NULL) EXIT(1);
BIO_set_fp(out,stdout,BIO_NOCLOSE);
for (i=0; i<200; i++)
ret=BN_mod_exp_mont(r_mont,a,b,m,ctx,NULL);
if (ret <= 0)
- { printf("BN_mod_exp_mont() problems\n"); exit(1); }
+ {
+ printf("BN_mod_exp_mont() problems\n");
+ ERR_print_errors(out);
+ EXIT(1);
+ }
ret=BN_mod_exp_recp(r_recp,a,b,m,ctx);
if (ret <= 0)
- { printf("BN_mod_exp_recp() problems\n"); exit(1); }
-
- if (BN_cmp(r_mont,r_recp) != 0)
{
- printf("\nmont and recp results differ\n");
+ printf("BN_mod_exp_recp() problems\n");
+ ERR_print_errors(out);
+ EXIT(1);
+ }
+
+ ret=BN_mod_exp_simple(r_simple,a,b,m,ctx);
+ if (ret <= 0)
+ {
+ printf("BN_mod_exp_simple() problems\n");
+ ERR_print_errors(out);
+ EXIT(1);
+ }
+
+ if (BN_cmp(r_simple, r_mont) == 0
+ && BN_cmp(r_simple,r_recp) == 0)
+ {
+ printf(".");
+ fflush(stdout);
+ }
+ else
+ {
+ if (BN_cmp(r_simple,r_mont) != 0)
+ printf("\nsimple and mont results differ\n");
+ if (BN_cmp(r_simple,r_recp) != 0)
+ printf("\nsimple and recp results differ\n");
+
printf("a (%3d) = ",BN_num_bits(a)); BN_print(out,a);
printf("\nb (%3d) = ",BN_num_bits(b)); BN_print(out,b);
printf("\nm (%3d) = ",BN_num_bits(m)); BN_print(out,m);
+ printf("\nsimple ="); BN_print(out,r_simple);
printf("\nrecp ="); BN_print(out,r_recp);
printf("\nmont ="); BN_print(out,r_mont);
printf("\n");
- exit(1);
- }
- else
- {
- printf(".");
- fflush(stdout);
+ EXIT(1);
}
}
+ BN_free(r_mont);
+ BN_free(r_recp);
+ BN_free(r_simple);
+ BN_free(a);
+ BN_free(b);
+ BN_free(m);
+ BN_CTX_free(ctx);
+ ERR_remove_state(0);
+ CRYPTO_mem_leaks(out);
+ BIO_free(out);
printf(" done\n");
- exit(0);
+ EXIT(0);
err:
ERR_load_crypto_strings();
ERR_print_errors(out);
- exit(1);
+#ifdef OPENSSL_SYS_NETWARE
+ printf("ERROR\n");
+#endif
+ EXIT(1);
return(1);
}