Reconstruction of des.exe/undes.exe

2026-09-09 23:28:46 +02:00
parent b90136f137
commit 5aa37bf374
64 changed files with 13344 additions and 2 deletions
@@ -0,0 +1,34 @@
+#ifndef _IDEA_DEFINED
+
+#define _IDEA_DEFINED
+
+/* Defines for the PGP-style types used in IDEA.C */
+
+#define byte	unsigned char
+#define word16	unsigned short int
+#define word32	unsigned long int
+
+/* Macros from PGP */
+
+#define burn(x)	memset( x, 0, sizeof( x ) )
+
+/* IDEA algorithm constants */
+
+#define IDEAKEYSIZE		16
+#define IDEABLOCKSIZE	8
+
+#define IDEAROUNDS		8
+#define IDEAKEYLEN		( 6 * IDEAROUNDS + 4 )
+
+/* Routines used to implement the IDEA encryption */
+void ideaExpandKey( byte const *userkey, word16 *EK );
+
+#ifdef _DCC
+void ideaInvertKey( word16 *EK, word16 DK[IDEAKEYLEN] );
+void ideaCipher( byte (inbuf[8]), byte (outbuf[8]), word16 *key );
+#else
+void ideaInvertKey( word16 const *EK, word16 DK[IDEAKEYLEN] );
+void ideaCipher( byte const (inbuf[8]), byte (outbuf[8]), word16 const *key );
+#endif
+
+#endif /* _IDEA_DEFINED */