slog.c File Reference

#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include <openssl/cmac.h>
#include <openssl/rand.h>
#include <openssl/evp.h>
#include <openssl/sha.h>
#include "messages.h"
#include "slog.h"

Include dependency graph for slog.c:

Macros
#define	LONG_OPT_INDICATOR   "--"
#define	SHORT_OPT_INDICATOR   "-"

Functions
void	cond_msg_error (GError *myError, char *errorMsg)
void	deriveSubKeys (unsigned char *mainKey, unsigned char *encKey, unsigned char *MACKey)
void	deriveEncSubKey (unsigned char *mainKey, unsigned char *encKey)
void	deriveMACSubKey (unsigned char *mainKey, unsigned char *MACKey)
int	sLogEncrypt (unsigned char *plaintext, int plaintext_len, unsigned char *key, unsigned char *iv, unsigned char *ciphertext, unsigned char *tag)
int	sLogDecrypt (unsigned char *ciphertext, int ciphertext_len, unsigned char *tag, unsigned char *key, unsigned char *iv, unsigned char *plaintext)
void	sLogEntry (guint64 numberOfLogEntries, GString *text, unsigned char *mainKey, unsigned char *inputBigMac, GString *output, unsigned char *outputBigMac, gsize outputBigMac_capacity)
void	deriveKey (unsigned char *dst, guint64 index, guint64 currentKey)
guchar *	convertToBin (char *input, gsize *outLen)
gchar *	convertToBase64 (unsigned char *input, gsize len)
void	cmac (unsigned char *key, const void *input, gsize length, unsigned char *out, gsize *outlen, gsize out_capacity)
void	evolveKey (unsigned char *key)
void	PRF (unsigned char *key, unsigned char *originalInput, guint64 inputLength, unsigned char *output, guint64 outputLength)
int	generateMasterKey (guchar *masterkey)
int	deriveHostKey (guchar *masterkey, gchar *macAddr, gchar *serial, guchar *hostkey)
int	writeBigMAC (gchar *filename, char *outputBuffer)
int	readBigMAC (gchar *filename, char *outputBuffer)
int	readKey (char *destKey, guint64 *destCounter, gchar *keypath)
int	writeKey (char *key, guint64 counter, gchar *keypath)
int	iterateBuffer (guint64 entriesInBuffer, GString **input, guint64 *nextLogEntry, unsigned char *mainKey, unsigned char *keyZero, guint keyNumber, GString **output, guint64 *numberOfLogEntries, unsigned char *cmac_tag, gsize cmac_tag_capacity, GHashTable *tab)
int	finalizeVerify (guint64 startingEntry, guint64 entriesInFile, unsigned char *bigMac, unsigned char *cmac_tag, GHashTable *tab)
int	initVerify (guint64 entriesInFile, unsigned char *mainKey, guint64 *nextLogEntry, guint64 *startingEntry, GString **input, GHashTable **tab)
int	iterativeFileVerify (unsigned char *previousMAC, unsigned char *mainKey, char *inputFileName, unsigned char *bigMAC, char *outputFileName, guint64 entriesInFile, int chunkLength, guint64 keyNumber)
int	fileVerify (unsigned char *mainKey, char *inputFileName, char *outputFileName, unsigned char *bigMac, guint64 entriesInFile, int chunkLength)
int	slog_usage (GOptionContext *ctx, GOptionGroup *grp, GString *errormsg)
gboolean	validFileNameArg (const gchar *option_name, const gchar *value, gpointer data, GError **error)

Macro Definition Documentation

LONG_OPT_INDICATOR

#define LONG_OPT_INDICATOR   "--"

SHORT_OPT_INDICATOR

#define SHORT_OPT_INDICATOR   "-"

Function Documentation

cmac()

void cmac	(	unsigned char *	key,
		const void *	input,
		gsize	length,
		unsigned char *	out,
		gsize *	outlen,
		gsize	out_capacity
	)

cond_msg_error()

void cond_msg_error	(	GError *	myError,
		char *	errorMsg
	)

convertToBase64()

gchar* convertToBase64	(	unsigned char *	input,
		gsize	len
	)

convertToBin()

guchar* convertToBin	(	char *	input,
		gsize *	outLen
	)

deriveEncSubKey()

void deriveEncSubKey	(	unsigned char *	mainKey,
		unsigned char *	encKey
	)

deriveHostKey()

int deriveHostKey	(	guchar *	masterkey,
		gchar *	macAddr,
		gchar *	serial,
		guchar *	hostkey
	)

deriveKey()

void deriveKey	(	unsigned char *	dst,
		guint64	index,
		guint64	currentKey
	)

deriveMACSubKey()

void deriveMACSubKey	(	unsigned char *	mainKey,
		unsigned char *	MACKey
	)

deriveSubKeys()

void deriveSubKeys	(	unsigned char *	mainKey,
		unsigned char *	encKey,
		unsigned char *	MACKey
	)

evolveKey()

void evolveKey

(

unsigned char *

key

)

fileVerify()

int fileVerify	(	unsigned char *	mainKey,
		char *	inputFileName,
		char *	outputFileName,
		unsigned char *	bigMac,
		guint64	entriesInFile,
		int	chunkLength
	)

finalizeVerify()

int finalizeVerify	(	guint64	startingEntry,
		guint64	entriesInFile,
		unsigned char *	bigMac,
		unsigned char *	cmac_tag,
		GHashTable *	tab
	)

generateMasterKey()

int generateMasterKey

(

guchar *

masterkey

)

initVerify()

int initVerify	(	guint64	entriesInFile,
		unsigned char *	mainKey,
		guint64 *	nextLogEntry,
		guint64 *	startingEntry,
		GString **	input,
		GHashTable **	tab
	)

iterateBuffer()

int iterateBuffer	(	guint64	entriesInBuffer,
		GString **	input,
		guint64 *	nextLogEntry,
		unsigned char *	mainKey,
		unsigned char *	keyZero,
		guint	keyNumber,
		GString **	output,
		guint64 *	numberOfLogEntries,
		unsigned char *	cmac_tag,
		gsize	cmac_tag_capacity,
		GHashTable *	tab
	)

iterativeFileVerify()

int iterativeFileVerify	(	unsigned char *	previousMAC,
		unsigned char *	mainKey,
		char *	inputFileName,
		unsigned char *	bigMAC,
		char *	outputFileName,
		guint64	entriesInFile,
		int	chunkLength,
		guint64	keyNumber
	)

PRF()

void PRF	(	unsigned char *	key,
		unsigned char *	originalInput,
		guint64	inputLength,
		unsigned char *	output,
		guint64	outputLength
	)

readBigMAC()

int readBigMAC	(	gchar *	filename,
		char *	outputBuffer
	)

readKey()

int readKey	(	char *	destKey,
		guint64 *	destCounter,
		gchar *	keypath
	)

slog_usage()

int slog_usage	(	GOptionContext *	ctx,
		GOptionGroup *	grp,
		GString *	errormsg
	)

sLogDecrypt()

int sLogDecrypt	(	unsigned char *	ciphertext,
		int	ciphertext_len,
		unsigned char *	tag,
		unsigned char *	key,
		unsigned char *	iv,
		unsigned char *	plaintext
	)

sLogEncrypt()

int sLogEncrypt	(	unsigned char *	plaintext,
		int	plaintext_len,
		unsigned char *	key,
		unsigned char *	iv,
		unsigned char *	ciphertext,
		unsigned char *	tag
	)

sLogEntry()

void sLogEntry	(	guint64	numberOfLogEntries,
		GString *	text,
		unsigned char *	mainKey,
		unsigned char *	inputBigMac,
		GString *	output,
		unsigned char *	outputBigMac,
		gsize	outputBigMac_capacity
	)

validFileNameArg()

gboolean validFileNameArg	(	const gchar *	option_name,
		const gchar *	value,
		gpointer	data,
		GError **	error
	)

writeBigMAC()

int writeBigMAC	(	gchar *	filename,
		char *	outputBuffer
	)

writeKey()

int writeKey	(	char *	key,
		guint64	counter,
		gchar *	keypath
	)