validus.h File Reference

Definitions for the Validus hash function. More...

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Data Structures
struct	validus_state
	Represents the state of an individual Validus hash operation. More...

Macros
#define	VALIDUS_FP_SIZE_B   192
	The size of a Validus fingerprint, in bits.
#define	VALIDUS_FP_SIZE_O   48
	The size of a Validus fingerprint, in octets.
#define	WORDALIGNED(addr)
	Determines if address addr is aligned on 4-byte boundaries.
#define	OCTETSWAP(a, b)
	Swaps octet order of a 32-bit value b and stores the result in a.
#define	ROL(a, b)
	Cyclically rotates word a by b bits to the left.
#define	ROR(a, b)
	Cyclically rotates word a by b bits to the right.
#define	M0(a, b, c, d, e)
	Mixer function 0.
#define	M1(a, b, c, d, e)
	Mixer function 1.
#define	M2(a, b, c, d, e)
	Mixer function 2.
#define	M3(a, b, c, d, e)
	Mixer function 3.
#define	VC_0(a, b, c, d, e, f, r1, r2, blk, hcv)
	Compression function 0.
#define	VC_1(a, b, c, d, e, f, r1, r2, blk, hcv)
	Compression function 1.
#define	VC_2(a, b, c, d, e, f, r1, r2, blk, hcv)
	Compression function 2.
#define	VC_3(a, b, c, d, e, f, r1, r2, blk, hcv)
	Compression function 3.
#define	VALIDUS_INIT_0   0x81010881U
	10000001000000010000100010000001
#define	VALIDUS_INIT_1   0xA529298BU
	10100101001010010010100110001011
#define	VALIDUS_INIT_2   0x66AC654AU
	01100110101011000110010101001010
#define	VALIDUS_INIT_3   0x52865650U
	01010010100001100101011001010000
#define	VALIDUS_INIT_4   0x18529234U
	00011000010100101001001000110100
#define	VALIDUS_INIT_5   0x08508024U
	00001000010100001000000000100100

Typedefs
typedef uint8_t	validus_octet
	Validus byte (8-bit).
typedef uint32_t	validus_word
	Validus word (32-bit).

Functions
void	validus_init (validus_state *state)
	Initializes a validus_state object.
void	validus_append (validus_state *state, const void *data, size_t len)
	Processes a block of data, accumulating the results in the validus_state object.
void	validus_finalize (validus_state *state)
	Finalizes a Validus hashing operation.
bool	validus_compare (const validus_state *one, const validus_state *two)
	Compares two validus_state objects for equality.
void	_validus_process (validus_state *state, const validus_word *blk32)
	Processes a 192-bit block of data, accumulating the results in the validus_state object.

Detailed Description

Definitions for the Validus hash function.

Configures the build, defines types, macros, constants, and functions that comprise the core of Validus.

Author

Ryan M. Lederman <leder.nosp@m.man@.nosp@m.gmail.nosp@m..com>

Date

2004-2025

Version

1.0.5

Copyright

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.