diff --git a/crack.c b/crack.c index 628ecbd3b743da01b70307753cd7148e26e193b6..abe8888f340f4b1f80fecde9444ea05e9e295ddf 100644 --- a/crack.c +++ b/crack.c @@ -20,11 +20,17 @@ int main(int argc, char** argv) { // record 30 passwords FILE* pwdfp; unsigned char buffer[SHA256_BLOCK_SIZE]; + int status; pwdfp = fopen(PWD4_FILENAME, "rb"); // read 32 bytes to buffer - fread(buffer, SHA256_BLOCK_SIZE, 1, pwdfp); + status = fread(buffer, SHA256_BLOCK_SIZE, 1, pwdfp); + + if (status < 0) { + fprintf(stderr, "ERROR reading binary file\n"); + exit(0); + } printf("%s", buffer); @@ -54,7 +60,7 @@ int main(int argc, char** argv) { void check_guess(BYTE guess[], BYTE pwd[PWD_NUMBERS][SHA256_BLOCK_SIZE]) { SHA256_CTX ctx; BYTE buf[SHA256_BLOCK_SIZE]; - size_t guess_len = strlen(guess); + size_t guess_len = strlen((char*)&guess); int i; sha256_init(&ctx);