533 lines
12 KiB
C
533 lines
12 KiB
C
#include "mycrypt.h"
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#include <signal.h>
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#define TAB_SIZE 32
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struct _cipher_descriptor cipher_descriptor[TAB_SIZE] = {
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL } };
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struct _hash_descriptor hash_descriptor[TAB_SIZE] = {
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL },
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{ NULL, 0, 0, 0, NULL, NULL, NULL, NULL } };
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struct _prng_descriptor prng_descriptor[TAB_SIZE] = {
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL },
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{ NULL, NULL, NULL, NULL, NULL } };
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/* ch1-01-1 */
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#if (ARGTYPE == 0)
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void crypt_argchk(char *v, char *s, int d)
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{
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#ifdef SONY_PS2
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printf("_ARGCHK '%s' failure on line %d of file %s\n",
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v, d, s);
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#else
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fprintf(stderr, "_ARGCHK '%s' failure on line %d of file %s\n",
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v, d, s);
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#endif
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(void)raise(SIGABRT);
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}
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#endif
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/* ch1-01-1 */
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int find_cipher(const char *name)
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{
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int x;
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_ARGCHK(name != NULL);
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for (x = 0; x < TAB_SIZE; x++) {
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if (cipher_descriptor[x].name != NULL && !strcmp(cipher_descriptor[x].name, name)) {
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return x;
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}
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}
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return -1;
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}
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int find_hash(const char *name)
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{
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int x;
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_ARGCHK(name != NULL);
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for (x = 0; x < TAB_SIZE; x++) {
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if (hash_descriptor[x].name != NULL && strcmp(hash_descriptor[x].name, name) == 0) {
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return x;
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}
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}
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return -1;
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}
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int find_prng(const char *name)
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{
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int x;
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_ARGCHK(name != NULL);
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for (x = 0; x < TAB_SIZE; x++) {
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if ((prng_descriptor[x].name != NULL) && strcmp(prng_descriptor[x].name, name) == 0) {
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return x;
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}
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}
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return -1;
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}
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int find_cipher_id(unsigned char ID)
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{
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int x;
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for (x = 0; x < TAB_SIZE; x++) {
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if (cipher_descriptor[x].ID == ID) {
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return (cipher_descriptor[x].name == NULL) ? -1 : x;
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}
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}
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return -1;
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}
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int find_hash_id(unsigned char ID)
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{
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int x;
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for (x = 0; x < TAB_SIZE; x++) {
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if (hash_descriptor[x].ID == ID) {
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return (hash_descriptor[x].name == NULL) ? -1 : x;
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}
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}
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return -1;
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}
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/* idea from Wayne Scott */
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int find_cipher_any(const char *name, int blocklen, int keylen)
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{
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int x;
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_ARGCHK(name != NULL);
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x = find_cipher(name);
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if (x != -1) return x;
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for (x = 0; cipher_descriptor[x].name != NULL && x < TAB_SIZE; x++) {
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if (blocklen <= (int)cipher_descriptor[x].block_length && keylen <= (int)cipher_descriptor[x].max_key_length) {
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return x;
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}
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}
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return -1;
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}
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int register_cipher(const struct _cipher_descriptor *cipher)
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{
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int x;
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_ARGCHK(cipher != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (cipher_descriptor[x].name != NULL && cipher_descriptor[x].ID == cipher->ID) {
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return x;
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}
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}
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/* find a blank spot */
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for (x = 0; x < TAB_SIZE; x++) {
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if (cipher_descriptor[x].name == NULL) {
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memcpy(&cipher_descriptor[x], cipher, sizeof(struct _cipher_descriptor));
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return x;
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}
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}
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/* no spot */
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return -1;
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}
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int unregister_cipher(const struct _cipher_descriptor *cipher)
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{
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int x;
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_ARGCHK(cipher != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (memcmp(&cipher_descriptor[x], cipher, sizeof(struct _cipher_descriptor)) == 0) {
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cipher_descriptor[x].name = NULL;
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cipher_descriptor[x].ID = 255;
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return CRYPT_OK;
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}
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}
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return CRYPT_ERROR;
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}
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int register_hash(const struct _hash_descriptor *hash)
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{
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int x;
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_ARGCHK(hash != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (memcmp(&hash_descriptor[x], hash, sizeof(struct _hash_descriptor)) == 0) {
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return x;
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}
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}
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/* find a blank spot */
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for (x = 0; x < TAB_SIZE; x++) {
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if (hash_descriptor[x].name == NULL) {
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memcpy(&hash_descriptor[x], hash, sizeof(struct _hash_descriptor));
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return x;
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}
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}
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/* no spot */
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return -1;
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}
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int unregister_hash(const struct _hash_descriptor *hash)
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{
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int x;
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_ARGCHK(hash != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (memcmp(&hash_descriptor[x], hash, sizeof(struct _hash_descriptor)) == 0) {
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hash_descriptor[x].name = NULL;
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return CRYPT_OK;
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}
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}
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return CRYPT_ERROR;
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}
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int register_prng(const struct _prng_descriptor *prng)
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{
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int x;
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_ARGCHK(prng != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (memcmp(&prng_descriptor[x], prng, sizeof(struct _prng_descriptor)) == 0) {
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return x;
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}
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}
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/* find a blank spot */
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for (x = 0; x < TAB_SIZE; x++) {
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if (prng_descriptor[x].name == NULL) {
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memcpy(&prng_descriptor[x], prng, sizeof(struct _prng_descriptor));
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return x;
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}
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}
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/* no spot */
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return -1;
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}
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int unregister_prng(const struct _prng_descriptor *prng)
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{
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int x;
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_ARGCHK(prng != NULL);
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/* is it already registered? */
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for (x = 0; x < TAB_SIZE; x++) {
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if (memcmp(&prng_descriptor[x], prng, sizeof(struct _prng_descriptor)) != 0) {
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prng_descriptor[x].name = NULL;
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return CRYPT_OK;
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}
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}
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return CRYPT_ERROR;
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}
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int cipher_is_valid(int idx)
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{
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if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) {
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return CRYPT_INVALID_CIPHER;
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}
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return CRYPT_OK;
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}
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int hash_is_valid(int idx)
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{
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if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) {
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return CRYPT_INVALID_HASH;
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}
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return CRYPT_OK;
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}
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int prng_is_valid(int idx)
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{
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if (idx < 0 || idx >= TAB_SIZE || prng_descriptor[idx].name == NULL) {
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return CRYPT_INVALID_PRNG;
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}
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return CRYPT_OK;
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}
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const char *crypt_build_settings =
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"LibTomCrypt " SCRYPT "\n\n"
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"Endianess: "
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#if defined(ENDIAN_NEUTRAL)
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"neutral\n"
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#elif defined(ENDIAN_LITTLE)
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"little"
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#if defined(ENDIAN_32BITWORD)
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" (32-bit words)\n"
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#else
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" (64-bit words)\n"
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#endif
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#elif defined(ENDIAN_BIG)
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"big"
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#if defined(ENDIAN_32BITWORD)
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" (32-bit words)\n"
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#else
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" (64-bit words)\n"
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#endif
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#endif
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"Clean stack: "
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#if defined(CLEAN_STACK)
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"enabled\n"
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#else
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"disabled\n"
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#endif
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"Ciphers built-in:\n"
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#if defined(BLOWFISH)
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" Blowfish\n"
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#endif
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#if defined(RC2)
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" RC2\n"
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#endif
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#if defined(RC5)
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" RC5\n"
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#endif
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#if defined(RC6)
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" RC6\n"
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#endif
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#if defined(SAFERP)
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" Safer+\n"
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#endif
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#if defined(SAFER)
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" Safer\n"
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#endif
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#if defined(RIJNDAEL)
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" Rijndael\n"
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#endif
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#if defined(XTEA)
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" XTEA\n"
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#endif
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#if defined(TWOFISH)
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" Twofish "
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#if defined(TWOFISH_SMALL) && defined(TWOFISH_TABLES)
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"(small, tables)\n"
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#elif defined(TWOFISH_SMALL)
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"(small)\n"
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#elif defined(TWOFISH_TABLES)
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"(tables)\n"
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#else
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"\n"
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#endif
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#endif
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#if defined(DES)
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" DES\n"
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#endif
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#if defined(CAST5)
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" CAST5\n"
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#endif
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#if defined(NOEKEON)
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" Noekeon\n"
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#endif
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"\nHashes built-in:\n"
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#if defined(SHA512)
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" SHA-512\n"
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#endif
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#if defined(SHA384)
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" SHA-384\n"
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#endif
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#if defined(SHA256)
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" SHA-256\n"
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#endif
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#if defined(TIGER)
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" TIGER\n"
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#endif
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#if defined(SHA1)
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" SHA1\n"
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#endif
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#if defined(MD5)
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" MD5\n"
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#endif
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#if defined(MD4)
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" MD4\n"
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#endif
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#if defined(MD2)
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" MD2\n"
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#endif
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#if defined(RIPEMD128)
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" RIPEMD128\n"
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#endif
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"\nBlock Chaining Modes:\n"
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#if defined(CFB)
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" CFB\n"
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#endif
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#if defined(OFB)
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" OFB\n"
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#endif
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#if defined(ECB)
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" ECB\n"
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#endif
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#if defined(CBC)
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" CBC\n"
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#endif
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#if defined(CTR)
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" CTR\n"
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#endif
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"\nPRNG:\n"
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#if defined(YARROW)
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" Yarrow\n"
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#endif
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#if defined(SPRNG)
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" SPRNG\n"
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#endif
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#if defined(RC4)
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" RC4\n"
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#endif
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"\nPK Algs:\n"
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#if defined(MRSA)
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" RSA\n"
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#endif
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#if defined(MDH)
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" DH\n"
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#endif
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#if defined(MECC)
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" ECC\n"
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#endif
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#if defined(KR)
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" KR\n"
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#endif
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"\nCompiler:\n"
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#if defined(WIN32)
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" WIN32 platform detected.\n"
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#endif
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#if defined(__CYGWIN__)
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" CYGWIN Detected.\n"
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#endif
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#if defined(__DJGPP__)
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" DJGPP Detected.\n"
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#endif
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#if defined(_MSC_VER)
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" MSVC compiler detected.\n"
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#endif
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#if defined(__GNUC__)
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" GCC compiler detected.\n"
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#endif
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"\nVarious others: "
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#if defined(GF)
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" GF "
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#endif
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#if defined(BASE64)
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|
" BASE64 "
|
|
#endif
|
|
#if defined(MPI)
|
|
" MPI "
|
|
#endif
|
|
#if defined(HMAC)
|
|
" HMAC "
|
|
#endif
|
|
#if defined(TRY_UNRANDOM_FIRST)
|
|
" TRY_UNRANDOM_FIRST "
|
|
#endif
|
|
#if defined(LTC_TEST)
|
|
" LTC_TEST "
|
|
#endif
|
|
"\n"
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|
|
|
"\n\n\n"
|
|
;
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|
|