BN_bin2bn, is this normal?

[Jake]

the following program outputs:

-----------------------
what the heck?
 0 41
41 81
81 c1
c1  1
 1 42
42 82
82 c2
c2  0
-----------------------

is this the expected behavior?


#include <stdio.h>
#include <string.h>
#include <openssl/bn.h>

static unsigned char data[8]={0x00,0x41,0x81,0xc1,0x01,0x42,0x82,0xc2};

int main(int argc, char* argv[])
{
        unsigned char aa[8];
        BIGNUM            *a;
        int               i;

        memset(aa, 0, 8);
        a = BN_new();

        BN_bin2bn(data, 8, a);
        BN_bn2bin(a, aa);

        if (memcmp(aa, data, 8) != 0)
                printf("what the heck?\n");

        for (i = 0; i < 8; i++)
                printf("%2x %2x\n", data[i], aa[i]);
}


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