changed dns to dns-projects to divide scripts and projects

dns-projects/zodiac/src/cipher-blowfish.h

@@ -0,0 +1,93 @@
+#ifndef _H_BLOWFISH
+#define _H_BLOWFISH
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+#define MAXKEYBYTES	56          /* 448 bits */
+#define bf_N		16
+#define noErr		0
+#define DATAERROR	-1
+#define KEYBYTES	8
+
+#define UBYTE_08bits	unsigned char
+#define UWORD_16bits	unsigned short
+
+#define nmalloc(x) n_malloc((x),__FILE__,__LINE__)
+
+#define SIZEOF_INT 4
+#define SIZEOF_LONG 4
+
+#if SIZEOF_INT==4
+#  define UWORD_32bits  unsigned int
+#else
+#  if SIZEOF_LONG==4
+#  define UWORD_32bits  unsigned long
+#  endif
+#endif
+
+/* choose a byte order for your hardware */
+
+#ifdef WORDS_BIGENDIAN
+/* ABCD - big endian - motorola */
+union aword {
+	UWORD_32bits	word;
+	UBYTE_08bits	byte[4];
+
+	struct {
+		unsigned int	byte0:8;
+		unsigned int	byte1:8;
+		unsigned int	byte2:8;
+		unsigned int	byte3:8;
+	} w;
+};
+#endif  /* WORDS_BIGENDIAN */
+
+#ifndef WORDS_BIGENDIAN
+/* DCBA - little endian - intel */
+union aword {
+	UWORD_32bits	word;
+	UBYTE_08bits	byte[4];
+
+	struct {
+		unsigned int	byte3:8;
+		unsigned int	byte2:8;
+		unsigned int	byte1:8;
+		unsigned int	byte0:8;
+	} w;
+};
+#endif  /* !WORDS_BIGENDIAN */
+
+
+/* bf_encipher
+ *
+ * safely encrypt a sequenced byte block pointed to by `data' with length
+ * `data_len'. as encryption key a hash build out of an asciiz string
+ * `keyphrase' is used. the length of the resulting data block is
+ * stored in the variable pointed to by `result_len'.
+ *
+ * return a pointer to a new allocated encrypted data block
+ */
+
+unsigned char	*bf_encipher (char *keyphrase, unsigned char *data,
+	size_t data_len, size_t *result_len);
+
+
+/* bf_decipher
+ *
+ * decrypt a blowfish encrypted data block pointed to by `data'. as key use a
+ * hash value build out of the asciiz string `keyphrase'. the data block is
+ * `data_len' bytes in length and must be padded to an 8 byte boundary.
+ *
+ * return NULL on failure (boundary error)
+ * return a pointer to a new allocated decrypted data block
+ */
+
+unsigned char	*bf_decipher (char *keyphrase, unsigned char *data,
+	size_t data_len);
+
+
+#endif
+
+