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Updates to iclass legrec and legbrute

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Streamlined legbrute to remove then need for CSN and validate variables accuracy as per Iceman's suggestions.
Updated legrec (client side only) for the future arm side PR
Fixed variable overflow on the arm side for hex conversions
This commit is contained in:
Antiklesys 2024-09-18 18:10:53 +08:00
commit 90b05106f8
4 changed files with 147 additions and 107 deletions
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6
armsrc/util.c
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@ -397,7 +397,7 @@ uint32_t get_flash_size(void) {
}
// Combined function to convert an unsigned int to an array of hex values corresponding to the last three bits of k1
void convertToHexArray(uint8_t num, uint8_t *partialkey) {
void convertToHexArray(uint32_t num, uint8_t *partialkey) {
char binaryStr[25]; // 24 bits for binary representation + 1 for null terminator
binaryStr[24] = '\0'; // Null-terminate the string
@ -409,8 +409,8 @@ void convertToHexArray(uint8_t num, uint8_t *partialkey) {
// Split the binary string into groups of 3 and convert to hex
for (int i = 0; i < 8 ; i++) {
char group[4];
strncpy(group, binaryStr + i * 3, 3);
char group[4] = {'0', '0', '0', '\0'}; // Ensure group is initialized correctly
memcpy(group, binaryStr + i * 3, 3); // Use memcpy to copy exactly 3 characters
group[3] = '\0'; // Null-terminate the group string
partialkey[i] = (uint8_t)strtoul(group, NULL, 2);
}