#include <stdio.h>
#include "utilities/SecCFRelease.h"
#include "utilities/der_plist.h"
#include "utilities/der_plist_internal.h"
#include <corecrypto/ccder.h>
#include <CoreFoundation/CoreFoundation.h>
const uint8_t* der_decode_array(CFAllocatorRef allocator,
CFArrayRef* array, CFErrorRef *error,
const uint8_t* der, const uint8_t *der_end)
{
if (NULL == der) {
SecCFDERCreateError(kSecDERErrorNullInput, CFSTR("null input"), NULL, error);
return NULL;
}
CFMutableArrayRef result = CFArrayCreateMutable(allocator, 0, &kCFTypeArrayCallBacks);
const uint8_t *elements_end;
const uint8_t *current_element = ccder_decode_sequence_tl(&elements_end, der, der_end);
if (!current_element) {
SecCFDERCreateError(kSecDERErrorUnknownEncoding, CFSTR("tag/length decode failed"), NULL, error);
}
while (current_element != NULL && current_element < elements_end) {
CFPropertyListRef element = NULL;
current_element = der_decode_plist(allocator, &element, error, current_element, elements_end);
if (current_element) {
CFArrayAppendValue(result, element);
CFReleaseNull(element);
}
}
if (current_element) {
*array = result;
result = NULL;
}
CFReleaseNull(result);
return current_element;
}
size_t der_sizeof_array(CFArrayRef data, CFErrorRef *error)
{
size_t body_size = 0;
for(CFIndex position = CFArrayGetCount(data) - 1;
position >= 0;
--position)
{
body_size += der_sizeof_plist(CFArrayGetValueAtIndex(data, position), error);
}
return ccder_sizeof(CCDER_CONSTRUCTED_SEQUENCE, body_size);
}
uint8_t* der_encode_array(CFArrayRef array, CFErrorRef *error,
const uint8_t *der, uint8_t *der_end)
{
uint8_t* original_der_end = der_end;
for(CFIndex position = CFArrayGetCount(array) - 1;
position >= 0;
--position)
{
der_end = der_encode_plist(CFArrayGetValueAtIndex(array, position), error, der, der_end);
}
return SecCCDEREncodeHandleResult(ccder_encode_constructed_tl(CCDER_CONSTRUCTED_SEQUENCE, original_der_end, der, der_end),
error);
}