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@ -21,10 +21,10 @@ void substitute(char* input, char* output, int multiply_by)
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output[0x18] = 0;
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}
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int the_crazy_math_part(unsigned int val1, unsigned int val2)
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int the_crazy_math_part(unsigned int val1, unsigned int val2, int carry)
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{
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int c = 0;
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int c = carry;
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long long r1 = 0xFFFFFFF9;
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long long r0 = val1;
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long long r3 = val2;
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@ -57,8 +57,7 @@ int the_crazy_math_part(unsigned int val1, unsigned int val2)
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}
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char* ascii_to_byte(char* enc, char* input)
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char* find_pattern(char* enc, char* input)
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{
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int i;
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int ii;
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@ -87,35 +86,25 @@ char* ascii_to_byte(char* enc, char* input)
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int find_multiplier(char* system_in, unsigned int maccasId)
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{
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int system_in_len;
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byte* next_var;
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byte* this_char;
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byte* extraout_r1;
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unsigned int total_iterations;
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int i = 0;
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int ii = 0;
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byte* system_in_2;
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unsigned int c;
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char* starting_inc;
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total_iterations = 0;
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c = maccasId & 0xffff00ff;
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system_in_len = strlen(system_in);
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starting_inc = hex_values;
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system_in_2 = (byte*)system_in;
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unsigned int c = maccasId & 0xffff00ff;
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int system_in_len = strlen(system_in);
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char* hex_values_ptr = hex_values;
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if (0 < system_in_len) {
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do {
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system_in_2 = system_in_2 + 1;
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c = c & 0xffffff00 | (unsigned int)*system_in_2;
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next_var = ascii_to_byte((byte*)starting_inc, (byte*)&c);
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this_char = next_var + -(int)starting_inc;
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if (next_var == (byte*)0x0) {
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system_in++;
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c = c & 0xffffff00 | (unsigned int)*system_in;
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byte* next_ptr = next_ptr = find_pattern(hex_values_ptr, (char*)&c);
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byte* this_char = next_ptr + -(int)hex_values_ptr;
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if (next_ptr == (byte*)0x0) {
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this_char = (byte*)0x0;
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}
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i = i + 1;
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total_iterations = (unsigned int)(this_char + total_iterations);
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system_in_len = strlen(system_in);
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system_in_2 = system_in_2;
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} while (i < system_in_len);
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}
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@ -124,23 +113,38 @@ int find_multiplier(char* system_in, unsigned int maccasId)
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int ret;
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unsigned int offset = 7;
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if (offset <= total_iterations) {
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if (offset <= total_iterations)
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{
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int c = 0;
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i = 0x1c;
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ii = total_iterations >> 4;
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if ((int)offset <= (int)(total_iterations >> 0x10)) {
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i = 0xc;
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ii = total_iterations >> 0x14;
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unsigned int r3 = total_iterations >> 4;
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if (offset <= r3 >> 0xC)
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{
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i -= 0x10;
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r3 <<= 0x10;
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}
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if ((int)offset <= (int)(ii >> 4)) {
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i = i - 8;
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ii = ii >> 8;
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if (offset <= r3 >> 0x10)
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{
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i -= 0x8;
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r3 <<= 0x8;
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}
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if ((int)offset <= (int)ii) {
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i = i - 4;
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ii = ii >> 4;
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if (offset <= r3)
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{
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i -= 0x4;
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r3 <<= 0x4;
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}
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return the_crazy_math_part((total_iterations << (i & 0xff)) * 2, ii);
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unsigned int r0 = total_iterations << (i & 0xFF);
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i = i + i * 2;
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c = ((long long int)r0 * 2) > 0xFFFFFFFF;
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r0 = r0 * 2;
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printf("Starting Carry: %x\n", c);
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return the_crazy_math_part(r0, r3, c);
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}
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return 0;
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}
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@ -162,7 +166,7 @@ unsigned int hex_to_bytes(char* input, int iterator, int multiplier)
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memset(curChar, 0x00, 2);
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curChar[0] = current_char[0];
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iteration = ascii_to_byte(enc, curChar);
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iteration = find_pattern(enc, curChar);
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final_char = iteration + -(int)enc;
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if (iteration == (char*)0x0) {
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final_char = (char*)0x0;
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@ -189,37 +193,48 @@ void generate_password(unsigned short* input, char* output)
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int main()
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{
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char maccas_id[7];
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char mannager_id[7];
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char mac_address[18];
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char maccas_id[64];
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char mannager_id[64];
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char mac_address[64];
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char formatted[64];
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char encoded[64];
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char temp_key[100];
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char final_key[100];
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char total_output [64];
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int iterator = 0;
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int i = 0;
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int ii = 0;
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printf("eCDP Serial Number Generator (By SilicaAndPina)\n");
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printf("-- A backdoor on the worlds rarest DS game.\n");
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entry:
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printf("Enter your NDS's Mac Address (without any seperators): ");
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gets_s(mac_address, 18);
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printf("Enter McDonalds Store Id (first 6 digit entry): ");
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gets_s(maccas_id,7);
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printf("Enter McDonalds Manager Id (second 6 digit entry): ");
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gets_s(mannager_id, 7);
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gets_s(mac_address, 64);
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if (strlen(mac_address) != 12)
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goto entry;
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printf("Enter McDonalds Store Id (first 6 digit entry): ");
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gets_s(maccas_id,64);
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if (strlen(maccas_id) != 6)
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goto entry;
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printf("Enter McDonalds Manager Id (second 6 digit entry): ");
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gets_s(mannager_id, 64);
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if (strlen(mannager_id) != 6)
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goto entry;
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snprintf(formatted, 64, "%s%s%s", mac_address, maccas_id, mannager_id);
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printf("Formatted Data: %s\n", formatted);
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int multiplier = find_multiplier(formatted, (unsigned int)maccas_id);
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printf("Multiplier: %x\n", multiplier);
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substitute(formatted, encoded, multiplier);
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printf("Encoded Data: %s\n", encoded);
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unsigned short password_values[6];
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memset(password_values, 0x00, 6 * 2);
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int iterator = 0;
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int i = 0;
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int ii = 0;
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do {
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int chr = hex_to_bytes(encoded, iterator, multiplier);
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i = ii + 1;
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@ -227,23 +242,21 @@ int main()
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iterator = iterator + 4;
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ii = i;
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} while (i < 6);
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printf("Password Values 1: ");
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for (int i = 0; i < 6; i++)
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{
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printf("%x ", password_values[i]);
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}
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printf("\n");
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int magic_number = 0x3E0F83E1;
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i = 0;
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ii = 0;
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do {
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short chr = password_values[ii];
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iterator = ii + 1;
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password_values[ii] = chr + (short)(int)((long long)magic_number * (long long)(int)(unsigned int)chr >> 0x23) * -0x21 + 1;
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ii = iterator;
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} while (iterator < 6);
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do
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{
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i = ii;
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int chr = password_values[ii++];
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password_values[i] = chr % 33 + 1;
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} while (ii < 6);
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printf("Password Values 2: ");
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for (int i = 0; i < 6; i++)
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{
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@ -251,7 +264,8 @@ int main()
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}
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printf("\n");
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generate_password(password_values, final_key);
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printf("Ronald McDonald Says your password is %s\n", final_key);
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printf("Ronald McDonald Says your password is %s", final_key);
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printf("\n\nThou hast been reversed!");
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while (1) {};
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