void crypt_safe_free(void *data);
void *crypt_safe_realloc(void *data, size_t size);
+ssize_t crypt_hex_to_bytes(const char *hex, char **result, int safe_alloc);
+int crypt_string_to_size(struct crypt_device *cd, const char *s, uint64_t *size);
+
#endif /* _UTILS_CRYPT_H */