github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-20 21:33:47 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

changed "data num" to accept -r -i parameters where it will reverse or inverse the values.\nrenamed some util functions

Browse source
This commit is contained in:
iceman1001 2023-12-07 16:44:31 +01:00
commit 97e2d7f026
13 changed files with 149 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

6
armsrc/optimized_cipherutils.c
View file

@ -114,7 +114,7 @@ uint64_t x_bytes_to_num(uint8_t *src, size_t len) {
return num;
}
uint8_t reversebytes(uint8_t b) {
uint8_t reversebyte(uint8_t b) {
b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
b = (b & 0xCC) >> 2 | (b & 0x33) << 2;
b = (b & 0xAA) >> 1 | (b & 0x55) << 1;
@ -124,14 +124,14 @@ uint8_t reversebytes(uint8_t b) {
void reverse_arraybytes(uint8_t *arr, size_t len) {
size_t i;
for (i = 0; i < len ; i++) {
arr[i] = reversebytes(arr[i]);
arr[i] = reversebyte(arr[i]);
}
}
void reverse_arraycopy(uint8_t *arr, uint8_t *dest, size_t len) {
size_t i;
for (i = 0; i < len ; i++) {
dest[i] = reversebytes(arr[i]);
dest[i] = reversebyte(arr[i]);
}
}