ft_nm/rsa/rsa.c

33 lines
868 B
C

#include "rsa.h"
rsa_t rsa_init(size_t len) {
rsa_t rsa;
printf("Generating two primes of length %d bits\n", RSA_BLOCK_SIZE / 2);
//printf("Generating p...\n");
rsa.p = bigint_prime(len / 2);
printf("p = %lu\n", ((uint64_t)rsa.p.data[1] << 32) + (uint64_t)rsa.p.data[0]);
//printf("p = %u\n", rsa.p.data[0]);
//printf("Generating q...\n");
rsa.q = bigint_prime(len / 2);
printf("q = %lu\n", ((uint64_t)rsa.q.data[1] << 32) + (uint64_t)rsa.q.data[0]);
//printf("q = %u\n", rsa.q.data[0]);
return rsa;
}
rsa_t rsa_generate_keys(size_t block_size) {
size_t len = block_size / sizeof(uint32_t) / 8;
rsa_t rsa = rsa_init(len);
bigint_destroy(rsa.p);
bigint_destroy(rsa.q);
for (int i = 0; i < 18; i++) {
bigint_t p = bigint_prime(len / 2);
printf("%lu\n", ((uint64_t)p.data[1] << 32) + (uint64_t)p.data[0]);
bigint_destroy(p);
}
return rsa;
}