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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libtasn1.h>
int
main (int argc, char** argv)
{
int result = 0, len;
asn1_node definitions = NULL, node1 = NULL;
char errorDescription[ASN1_MAX_ERROR_DESCRIPTION_SIZE];
const char *choicefile = getenv ("ASN1CHOICE_OCSP");
const char *datafile = getenv ("ASN1CHOICE_OCSP_DATA");
FILE *fp;
char data[1024];
char data2[1024];
int data_size = sizeof (data);
if (!choicefile)
choicefile = "pkix.asn";
if (!datafile)
datafile = "ocsp.der";
/* Encode */
result = asn1_parser2tree (choicefile, &definitions, errorDescription);
if (result != ASN1_SUCCESS)
{
printf ("error in %d: %s\n", __LINE__, errorDescription);
exit (1);
}
result = asn1_create_element (definitions, "PKIX1.ResponseData", &node1);
if (result != ASN1_SUCCESS)
{
printf ("error in %d\n", __LINE__);
exit (1);
}
fp = fopen(datafile, "rb");
if (fp == NULL)
{
printf ("error in %d\n", __LINE__);
exit (1);
}
data_size = fread(data, 1, sizeof(data), fp);
fclose(fp);
result = asn1_der_decoding (&node1, data, data_size, errorDescription);
if (result != ASN1_SUCCESS)
{
printf ("error in %d: %s\n", __LINE__, errorDescription);
exit (1);
}
len = sizeof(data2);
result = asn1_der_coding (node1, "", data2, &len, errorDescription);
if (result != ASN1_SUCCESS)
{
printf ("error in %d: %s\n", __LINE__, errorDescription);
exit (1);
}
if (len != data_size)
{
printf ("length doesn't match (got: %d, should be: %d)\n", len, data_size);
exit (1);
}
if (memcmp(data, data2, len) != 0)
{
printf ("contents don't match\n");
exit (1);
}
asn1_delete_structure (&node1);
asn1_delete_structure (&definitions);
return 0;
}
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