int main(int argc, char const *argv[])
{
long value;
int ret, len, i;
unsigned char *bitstr = "8";
unsigned char buf2[16];
unsigned char *buf = NULL, *p;
ASN1_BIT_STRING *a, *q;
a = ASN1_BIT_STRING_new();
printf("len = %d\n", a->length);
ASN1_BIT_STRING_set(a, bitstr, strlen(bitstr));
len = i2d_ASN1_BIT_STRING(a, NULL);
p = buf =malloc(sizeof(unsigned char) * len);
len = i2d_ASN1_BIT_STRING(a, &buf);
printf("after i2d der content len = %d\n", len);
printf("len = %d\n", len);
for (i = 0; i < len; ++i)
{
/* code */
printf("%02x\n", p[i]);
}
printf("\n");
q = d2i_ASN1_BIT_STRING(&a, &p, len);
printf("after d2i length = %d\n", q->length);
for (i = 0; i < q->length; ++i)
{
printf("%02x\t", q->data[i]);
}
printf("\n");
ASN1_BIT_STRING_free(a);
return 0;
}
int i2d_ASN1_bytes(ASN1_STRING *a, unsigned char **pp, int tag, int xclass)
{
int ret,r,constructed;
unsigned char *p;
if (a == NULL) return(0);
if (tag == V_ASN1_BIT_STRING)
return(i2d_ASN1_BIT_STRING(a,pp));
ret=a->length;
r=ASN1_object_size(0,ret,tag);
if (pp == NULL) return(r);
p= *pp;
if ((tag == V_ASN1_SEQUENCE) || (tag == V_ASN1_SET))
constructed=1;
else
constructed=0;
ASN1_put_object(&p,constructed,ret,tag,xclass);
memcpy(p,a->data,a->length);
p+=a->length;
*pp= p;
return(r);
}
