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Clear round keys before generating subkeys #13

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Clear round keys before generating subkeys #13

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7 changes: 5 additions & 2 deletions des.c
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Original file line number Diff line number Diff line change
Expand Up @@ -150,8 +150,11 @@ void generate_sub_keys(unsigned char* main_key, key_set* key_sets) {
int shift_size;
unsigned char shift_byte, first_shift_bits, second_shift_bits, third_shift_bits, fourth_shift_bits;

for (i=0; i<8; i++) {
key_sets[0].k[i] = 0;
for (i = 1; i < 17; i++) {
// Initialize the round subkey to 0 before filling it
for (int x = 0; x < 8; x++) {
key_sets[i].k[x] = 0;
}
}

for (i=0; i<56; i++) {
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