115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/* Copyright (c) (2012,2014,2015,2016,2017,2019) Apple Inc. All rights reserved.
|
||
*
|
||
* corecrypto is licensed under Apple Inc.’s Internal Use License Agreement (which
|
||
* is contained in the License.txt file distributed with corecrypto) and only to
|
||
* people who accept that license. IMPORTANT: Any license rights granted to you by
|
||
* Apple Inc. (if any) are limited to internal use within your organization only on
|
||
* devices and computers you own or control, for the sole purpose of verifying the
|
||
* security characteristics and correct functioning of the Apple Software. You may
|
||
* not, directly or indirectly, redistribute the Apple Software or any portions thereof.
|
||
*/
|
||
|
||
#include <assert.h>
|
||
#include "hexToString.h"
|
||
#include "testbyteBuffer.h"
|
||
#include "testmore.h"
|
||
#include <corecrypto/ccrng.h>
|
||
|
||
byteBuffer mallocByteBuffer(size_t len)
|
||
{
|
||
byteBuffer retval;
|
||
|
||
if (len >= SIZE_MAX - (sizeof(byteBufferStruct) + 1)) {
|
||
return NULL;
|
||
}
|
||
if ((retval = (byteBuffer)malloc(sizeof(byteBufferStruct) + len + 1)) == NULL) {
|
||
return NULL;
|
||
}
|
||
retval->len = len;
|
||
|
||
/* just past the byteBuffer in malloc'ed space */
|
||
retval->bytes = (uint8_t *)(retval + 1);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/*
|
||
* Convert a string of characters representing a hex buffer into a series of
|
||
* bytes of that real value
|
||
*/
|
||
byteBuffer hexStringToBytes(const char *inhex)
|
||
{
|
||
byteBuffer retval;
|
||
const char *p;
|
||
size_t len, inhex_len, i = 0;
|
||
|
||
if(!inhex) inhex = "";
|
||
inhex_len = strlen(inhex);
|
||
|
||
len = (inhex_len + 1) / 2;
|
||
if ((retval = mallocByteBuffer(len)) == NULL) {
|
||
return NULL;
|
||
}
|
||
|
||
// Special for odd length strings
|
||
if ((inhex_len & 1) && len) {
|
||
retval->bytes[i++] = nibbleFromChar(*(inhex));
|
||
inhex++;
|
||
}
|
||
for(p = inhex; i < len; i++) {
|
||
retval->bytes[i] = (uint8_t)((nibbleFromChar(*p) << 4) | nibbleFromChar(*(p + 1)));
|
||
p += 2;
|
||
}
|
||
retval->bytes[len] = 0;
|
||
return retval;
|
||
}
|
||
|
||
byteBuffer bytesToBytes(const void *bytes, size_t len)
|
||
{
|
||
byteBuffer retval = mallocByteBuffer(len);
|
||
if (retval && bytes) {
|
||
memcpy(retval->bytes, bytes, len);
|
||
}
|
||
return retval;
|
||
}
|
||
|
||
int bytesAreEqual(byteBuffer b1, byteBuffer b2)
|
||
{
|
||
if (b1->len != b2->len) {
|
||
return 0;
|
||
}
|
||
return (memcmp(b1->bytes, b2->bytes, b1->len) == 0);
|
||
}
|
||
|
||
void printByteBuffer(byteBuffer bb, char *name)
|
||
{
|
||
printBytes(bb->bytes, bb->len, name, 0);
|
||
}
|
||
|
||
void printByteBufferAsCharAssignment(byteBuffer bb, char *varname)
|
||
{
|
||
printf("\t%s = \"", varname);
|
||
for (size_t i = 0; i<bb->len; i++) {
|
||
printf("%02x", bb->bytes[i]);
|
||
}
|
||
printf("\";\n");
|
||
}
|
||
|
||
char *bytesToHexStringWithSpaces(byteBuffer bb, size_t breaks)
|
||
{
|
||
char *retval;
|
||
size_t len;
|
||
|
||
len = hexToString(NULL, 0, bb->bytes, bb->len, breaks);
|
||
retval = malloc(len);
|
||
hexToString(retval, len, bb->bytes, bb->len, breaks);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/* Convert a buffer of binary values into a hex string representation */
|
||
char *bytesToHexString(byteBuffer bb)
|
||
{
|
||
return bytesToHexStringWithSpaces(bb, 0);
|
||
}
|