ppp_mppe.c File Reference

#include <linux/err.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/crypto.h>
#include <linux/mm.h>
#include <linux/ppp_defs.h>
#include <linux/ppp-comp.h>
#include <linux/scatterlist.h>
#include <asm/unaligned.h>
#include "ppp_mppe.h"

Go to the source code of this file.

Data Structures
struct	sha_pad
struct	ppp_mppe_state

Macros
#define	SHA1_PAD_SIZE   40
#define	MPPE_BIT_A   0x80 /* Encryption table were (re)inititalized */
#define	MPPE_BIT_B   0x40 /* MPPC only (not implemented) */
#define	MPPE_BIT_C   0x20 /* MPPC only (not implemented) */
#define	MPPE_BIT_D   0x10 /* This is an encrypted frame */
#define	MPPE_BIT_FLUSHED   MPPE_BIT_A
#define	MPPE_BIT_ENCRYPTED   MPPE_BIT_D
#define	MPPE_BITS(p)   ((p)[4] & 0xf0)
#define	MPPE_CCOUNT(p)   ((((p)[4] & 0x0f) << 8) + (p)[5])
#define	MPPE_CCOUNT_SPACE   0x1000 /* The size of the ccount space */
#define	MPPE_OVHD   2 /* MPPE overhead/packet */
#define	SANITY_MAX   1600 /* Max bogon factor we will tolerate */

Functions
	MODULE_AUTHOR ("Frank Cusack <[email protected]>")
	MODULE_DESCRIPTION ("Point-to-Point Protocol Microsoft Point-to-Point Encryption support")
	MODULE_LICENSE ("Dual BSD/GPL")
	MODULE_ALIAS ("ppp-compress-"__stringify(CI_MPPE))
	MODULE_VERSION ("1.0.2")
	module_init (ppp_mppe_init)
	module_exit (ppp_mppe_cleanup)

Macro Definition Documentation

#define MPPE_BIT_A   0x80 /* Encryption table were (re)inititalized */

Definition at line 118 of file ppp_mppe.c.

#define MPPE_BIT_B   0x40 /* MPPC only (not implemented) */

Definition at line 119 of file ppp_mppe.c.

#define MPPE_BIT_C   0x20 /* MPPC only (not implemented) */

Definition at line 120 of file ppp_mppe.c.

#define MPPE_BIT_D   0x10 /* This is an encrypted frame */

Definition at line 121 of file ppp_mppe.c.

#define MPPE_BIT_ENCRYPTED   MPPE_BIT_D

Definition at line 124 of file ppp_mppe.c.

#define MPPE_BIT_FLUSHED   MPPE_BIT_A

Definition at line 123 of file ppp_mppe.c.

#define MPPE_BITS

(

p

)

((p)[4] & 0xf0)

Definition at line 126 of file ppp_mppe.c.

#define MPPE_CCOUNT

(

p

)

((((p)[4] & 0x0f) << 8) + (p)[5])

Definition at line 127 of file ppp_mppe.c.

#define MPPE_CCOUNT_SPACE   0x1000 /* The size of the ccount space */

Definition at line 128 of file ppp_mppe.c.

#define MPPE_OVHD   2 /* MPPE overhead/packet */

Definition at line 130 of file ppp_mppe.c.

#define SANITY_MAX   1600 /* Max bogon factor we will tolerate */

Definition at line 131 of file ppp_mppe.c.

#define SHA1_PAD_SIZE   40

Definition at line 75 of file ppp_mppe.c.

Function Documentation

MODULE_ALIAS

(

"ppp-compress-"

__stringifyCI_MPPE

)

MODULE_AUTHOR

(

"Frank Cusack <[email protected]>"

)

MODULE_DESCRIPTION

(

"Point-to-Point Protocol Microsoft Point-to-Point Encryption support"

)

module_exit

(

ppp_mppe_cleanup

)

module_init

(

ppp_mppe_init

)

MODULE_LICENSE

(

"Dual BSD/GPL"

)

MODULE_VERSION

(

"1.0.2"

)