Fix code formatting and document the fact that input arrays must be word
aligned
diff --git a/uECC.c b/uECC.c
index 67ad18c..1244b6c 100644
--- a/uECC.c
+++ b/uECC.c
@@ -161,10 +161,10 @@
const uint8_t *src,
unsigned num_bytes)
{
- while (0 != num_bytes) {
- num_bytes--;
- dst[num_bytes] = src[num_bytes];
- }
+ while (0 != num_bytes) {
+ num_bytes--;
+ dst[num_bytes] = src[num_bytes];
+ }
}
static cmpresult_t uECC_vli_cmp_unsafe(const uECC_word_t *left,
@@ -996,8 +996,8 @@
uint8_t *private_key,
uECC_Curve curve) {
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *private = (uECC_word_t *) private_key;
- uECC_word_t *public = (uECC_word_t *) public_key;
+ uECC_word_t *private = (uECC_word_t *)private_key;
+ uECC_word_t *public = (uECC_word_t *)public_key;
#else
uECC_word_t private[uECC_MAX_WORDS];
uECC_word_t public[uECC_MAX_WORDS * 2];
@@ -1082,7 +1082,7 @@
void uECC_decompress(const uint8_t *compressed, uint8_t *public_key, uECC_Curve curve) {
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *point = (uECC_word_t *) public_key;
+ uECC_word_t *point = (uECC_word_t *)public_key;
#else
uECC_word_t point[uECC_MAX_WORDS * 2];
#endif
@@ -1131,7 +1131,7 @@
int uECC_valid_public_key(const uint8_t *public_key, uECC_Curve curve) {
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *public = (uECC_word_t *) public_key;
+ uECC_word_t *public = (uECC_word_t *)public_key;
#else
uECC_word_t public[uECC_MAX_WORDS * 2];
#endif
@@ -1146,8 +1146,8 @@
int uECC_compute_public_key(const uint8_t *private_key, uint8_t *public_key, uECC_Curve curve) {
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *private = (uECC_word_t *) private_key;
- uECC_word_t *public = (uECC_word_t *) public_key;
+ uECC_word_t *private = (uECC_word_t *)private_key;
+ uECC_word_t *public = (uECC_word_t *)public_key;
#else
uECC_word_t private[uECC_MAX_WORDS];
uECC_word_t public[uECC_MAX_WORDS * 2];
@@ -1231,7 +1231,7 @@
uECC_word_t s[uECC_MAX_WORDS];
uECC_word_t *k2[2] = {tmp, s};
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *p = (uECC_word_t *) signature;
+ uECC_word_t *p = (uECC_word_t *)signature;
#else
uECC_word_t p[uECC_MAX_WORDS * 2];
#endif
@@ -1460,7 +1460,7 @@
bitcount_t num_bits;
bitcount_t i;
#if uECC_VLI_NATIVE_LITTLE_ENDIAN
- uECC_word_t *public = (uECC_word_t *) public_key;
+ uECC_word_t *public = (uECC_word_t *)public_key;
#else
uECC_word_t public[uECC_MAX_WORDS * 2];
#endif
diff --git a/uECC.h b/uECC.h
index 8269916..dcc8e82 100644
--- a/uECC.h
+++ b/uECC.h
@@ -39,7 +39,10 @@
little-endian format for *all* arrays passed in and out of the public API. This includes public
and private keys, shared secrets, signatures and message hashes.
Using this switch reduces the amount of call stack memory used by uECC, since less intermediate
-translations are required. Note that this will *only* work on native little-endian processors. */
+translations are required.
+Note that this will *only* work on native little-endian processors and it will treat the uint8_t
+arrays passed into the public API as word arrays, therefore requiring the provided byte arrays
+to be word aligned on architectures that do not support unaligned accesses. */
#ifndef uECC_VLI_NATIVE_LITTLE_ENDIAN
#define uECC_VLI_NATIVE_LITTLE_ENDIAN 0
#endif
