util-crypt.c File Reference

#include "suricata-common.h"
#include "suricata.h"
#include "util-crypt.h"

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Macros
#define	F0(x, y, z)   (z ^ (x & (y ^ z)))
#define	F1(x, y, z)   (x ^ y ^ z)
#define	F2(x, y, z)   ((x & y) | (z & (x | y)))
#define	F3(x, y, z)   (x ^ y ^ z)
#define	FF0(a, b, c, d, e, i)   e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] + 0x5a827999UL); b = ROLc(b, 30);
#define	FF1(a, b, c, d, e, i)   e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x6ed9eba1UL); b = ROLc(b, 30);
#define	FF2(a, b, c, d, e, i)   e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] + 0x8f1bbcdcUL); b = ROLc(b, 30);
#define	FF3(a, b, c, d, e, i)   e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] + 0xca62c1d6UL); b = ROLc(b, 30);

Functions
int	ComputeSHA1 (const uint8_t *inbuf, size_t inbuf_len, uint8_t *outbuf, size_t outbuf_size)
	calculate SHA1 hash More...
int	Base64Encode (const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen)

Detailed Description

Author

Roliers Jean-Paul popof.nosp@m..fpn.nosp@m.@gmai.nosp@m.l.co

Implements cryptographic functions. Based on the libtomcrypt library ( http://libtom.org/?page=features&newsitems=5&whatfile=crypt )

Implementation of function using NSS is not linked with libtomcrypt.

Definition in file util-crypt.c.

Macro Definition Documentation

#define F0	(		x,
			y,
			z
	)		(z ^ (x & (y ^ z)))

Definition at line 38 of file util-crypt.c.

#define F1	(		x,
			y,
			z
	)		(x ^ y ^ z)

Definition at line 39 of file util-crypt.c.

#define F2	(		x,
			y,
			z
	)		((x & y) | (z & (x | y)))

Definition at line 40 of file util-crypt.c.

#define F3	(		x,
			y,
			z
	)		(x ^ y ^ z)

Definition at line 41 of file util-crypt.c.

#define FF0	(		a,
			b,
			c,
			d,
			e,
			i
	)		e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] + 0x5a827999UL); b = ROLc(b, 30);

#define FF1	(		a,
			b,
			c,
			d,
			e,
			i
	)		e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x6ed9eba1UL); b = ROLc(b, 30);

#define FF2	(		a,
			b,
			c,
			d,
			e,
			i
	)		e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] + 0x8f1bbcdcUL); b = ROLc(b, 30);

#define FF3	(		a,
			b,
			c,
			d,
			e,
			i
	)		e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] + 0xca62c1d6UL); b = ROLc(b, 30);

Function Documentation

int Base64Encode	(	const unsigned char *	in,
		unsigned long	inlen,
		unsigned char *	out,
		unsigned long *	outlen
	)

Definition at line 272 of file util-crypt.c.

References SC_BASE64_INVALID_ARG, SC_BASE64_OK, and SC_BASE64_OVERFLOW.

Referenced by AlertJsonHeader(), JsonFiveTuple(), JsonHttpLogJSONBodyPrintable(), JsonPacket(), OutputJsonDNP3SetItem(), and StringAsBase64().

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int ComputeSHA1	(	const uint8_t *	inbuf,
		size_t	inbuf_len,
		uint8_t *	outbuf,
		size_t	outbuf_size
	)

calculate SHA1 hash

Return values

int	1 for success, 0 for fail

Definition at line 230 of file util-crypt.c.

References ComputeSHA1(), rlen, and unlikely.

Referenced by ComputeSHA1(), JsonFiveTuple(), and SSLVersionToString().

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