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- /* Stubs for crypt functions which may be export restricted by stupid USA
- * ITAR (International Trade in Arms Regulations).
- *
- * To compile a version of the library in the free world (IE outside the USA)
- * simply replace this file with the real crypt.c, which should be widely
- * available on ftp servers.
- *
- */
-
- #define _KERNEL
- #include "ixemul.h"
- #include <unistd.h>
-
- /*
- * Return a pointer to static data consisting of the "setting"
- * followed by an encryption produced by the "key" and "setting".
- */
-
- char *crypt (const char *key, const char *setting)
- {
- if (u.u_ixnetbase)
- return (char *)netcall(NET_crypt, key, setting);
- ix_warning("This version of ixemul.library does not support encryption/decryption.");
- return NULL;
- }
-
- /*
- * Encrypt (or decrypt if num_iter < 0) the 8 chars at "in" with abs(num_iter)
- * iterations of DES, using the the given 24-bit salt and the pre-computed key
- * schedule, and store the resulting 8 chars at "out" (in == out is permitted).
- *
- * NOTE: the performance of this routine is critically dependent on your
- * compiler and machine architecture.
- */
-
- int des_cipher (const char *in, char *out, long salt, int num_iter)
- {
- ix_warning("This version of ixemul.library does not support encryption/decryption.");
- return 0;
- }
-
- /*
- * Set up the key schedule from the key.
- */
-
- int des_setkey (const char *key)
- {
- ix_warning("This version of ixemul.library does not support encryption/decryption.");
- return 0;
- }
-
- /*
- * "encrypt" routine (for backwards compatibility)
- */
-
- int encrypt (char *block, int flag)
- {
- ix_warning("This version of ixemul.library does not support encryption/decryption.");
- return 0;
- }
-
- /*
- * "setkey" routine (for backwards compatibility)
- */
-
- int setkey (const char *key)
- {
- ix_warning("This version of ixemul.library does not support encryption/decryption.");
- return 0;
- }
-