2015-10-16 10:52:09 +02:00
|
|
|
/*
|
|
|
|
* Argon2 source code package
|
2015-10-16 19:05:50 +02:00
|
|
|
*
|
2015-10-16 10:52:09 +02:00
|
|
|
* Written by Daniel Dinu and Dmitry Khovratovich, 2015
|
2015-10-16 19:05:50 +02:00
|
|
|
*
|
2015-10-16 10:52:09 +02:00
|
|
|
* This work is licensed under a Creative Commons CC0 1.0 License/Waiver.
|
2015-10-16 19:05:50 +02:00
|
|
|
*
|
2015-10-20 22:46:17 +02:00
|
|
|
* You should have received a copy of the CC0 Public Domain Dedication along
|
|
|
|
* with
|
|
|
|
* this software. If not, see
|
|
|
|
* <http://creativecommons.org/publicdomain/zero/1.0/>.
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
|
|
|
|
2015-10-21 01:59:09 +02:00
|
|
|
#ifndef ARGON2_CORE_H
|
|
|
|
#define ARGON2_CORE_H
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-11-06 11:42:22 +01:00
|
|
|
#include "argon2.h"
|
|
|
|
|
2015-10-27 19:50:30 +01:00
|
|
|
#if defined(_MSC_VER)
|
|
|
|
#define ALIGN(n) __declspec(align(16))
|
|
|
|
#elif defined(__GNUC__) || defined(__clang)
|
|
|
|
#define ALIGN(x) __attribute__((__aligned__(x)))
|
|
|
|
#else
|
|
|
|
#define ALIGN(x)
|
|
|
|
#endif
|
2015-10-27 01:26:25 +01:00
|
|
|
|
2015-10-20 22:46:17 +02:00
|
|
|
/*************************Argon2 internal
|
|
|
|
* constants**************************************************/
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-27 01:26:25 +01:00
|
|
|
enum argon2_core_constants {
|
2015-10-21 08:55:42 +02:00
|
|
|
/* Version of the algorithm */
|
|
|
|
ARGON2_VERSION_NUMBER = 0x10,
|
|
|
|
|
|
|
|
/* Memory block size in bytes */
|
|
|
|
ARGON2_BLOCK_SIZE = 1024,
|
|
|
|
ARGON2_WORDS_IN_BLOCK = ARGON2_BLOCK_SIZE / 8,
|
|
|
|
ARGON2_QWORDS_IN_BLOCK = 64,
|
|
|
|
|
|
|
|
/* Number of pseudo-random values generated by one call to Blake in Argon2i
|
|
|
|
to
|
|
|
|
generate reference block positions */
|
|
|
|
ARGON2_ADDRESSES_IN_BLOCK = 128,
|
|
|
|
|
|
|
|
/* Pre-hashing digest length and its extension*/
|
|
|
|
ARGON2_PREHASH_DIGEST_LENGTH = 64,
|
|
|
|
ARGON2_PREHASH_SEED_LENGTH = 72
|
2015-10-19 18:40:58 +02:00
|
|
|
};
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-20 22:46:17 +02:00
|
|
|
/*************************Argon2 internal data
|
|
|
|
* types**************************************************/
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Structure for the (1KB) memory block implemented as 128 64-bit words.
|
2015-10-20 22:46:17 +02:00
|
|
|
* Memory blocks can be copied, XORed. Internal words can be accessed by [] (no
|
|
|
|
* bounds checking).
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
2015-11-01 16:02:54 +01:00
|
|
|
typedef struct _block { uint64_t v[ARGON2_WORDS_IN_BLOCK]; } block;
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*****************Functions that work with the block******************/
|
|
|
|
|
2015-10-27 01:26:25 +01:00
|
|
|
/* Initialize each byte of the block with @in */
|
2015-10-26 13:12:52 +01:00
|
|
|
void init_block_value(block *b, uint8_t in);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-27 01:26:25 +01:00
|
|
|
/* Copy block @src to block @dst */
|
2015-10-26 13:12:52 +01:00
|
|
|
void copy_block(block *dst, const block *src);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-27 01:26:25 +01:00
|
|
|
/* XOR @src onto @dst bytewise */
|
2015-10-26 13:12:52 +01:00
|
|
|
void xor_block(block *dst, const block *src);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Argon2 instance: memory pointer, number of passes, amount of memory, type,
|
|
|
|
* and derived values.
|
|
|
|
* Used to evaluate the number and location of blocks to construct in each
|
|
|
|
* thread
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
typedef struct Argon2_instance_t {
|
2015-10-27 21:38:01 +01:00
|
|
|
block *memory; /* Memory pointer */
|
2015-10-27 01:26:25 +01:00
|
|
|
uint32_t passes; /* Number of passes */
|
|
|
|
uint32_t memory_blocks; /* Number of blocks in memory */
|
|
|
|
uint32_t segment_length;
|
|
|
|
uint32_t lane_length;
|
|
|
|
uint32_t lanes;
|
|
|
|
uint32_t threads;
|
|
|
|
argon2_type type;
|
|
|
|
int print_internals; /* whether to print the memory blocks */
|
|
|
|
} argon2_instance_t;
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Argon2 position: where we construct the block right now. Used to distribute
|
|
|
|
* work between threads.
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
typedef struct Argon2_position_t {
|
|
|
|
uint32_t pass;
|
|
|
|
uint32_t lane;
|
|
|
|
uint8_t slice;
|
2015-10-21 08:55:42 +02:00
|
|
|
uint32_t index;
|
2015-10-27 01:26:25 +01:00
|
|
|
} argon2_position_t;
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*Struct that holds the inputs for thread handling FillSegment*/
|
2015-10-27 01:26:25 +01:00
|
|
|
typedef struct Argon2_thread_data {
|
|
|
|
argon2_instance_t *instance_ptr;
|
|
|
|
argon2_position_t pos;
|
|
|
|
} argon2_thread_data;
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-20 22:46:17 +02:00
|
|
|
/*************************Argon2 core
|
|
|
|
* functions**************************************************/
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/* Allocates memory to the given pointer
|
|
|
|
* @param memory pointer to the pointer to the memory
|
|
|
|
* @param m_cost number of blocks to allocate in the memory
|
|
|
|
* @return ARGON2_OK if @memory is a valid pointer and memory is allocated
|
|
|
|
*/
|
2015-10-20 22:46:17 +02:00
|
|
|
int allocate_memory(block **memory, uint32_t m_cost);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
2015-10-23 23:30:44 +02:00
|
|
|
/* Function that securely cleans the memory
|
|
|
|
* @param mem Pointer to the memory
|
|
|
|
* @param s Memory size in bytes
|
|
|
|
*/
|
|
|
|
void secure_wipe_memory(void *v, size_t n);
|
|
|
|
|
2015-10-16 10:52:09 +02:00
|
|
|
/* Clears memory
|
|
|
|
* @param instance pointer to the current instance
|
|
|
|
* @param clear_memory indicates if we clear the memory with zeros.
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void clear_memory(argon2_instance_t *instance, int clear);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/* Deallocates memory
|
|
|
|
* @param memory pointer to the blocks
|
|
|
|
*/
|
2015-10-20 22:46:17 +02:00
|
|
|
void free_memory(block *memory);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Computes absolute position of reference block in the lane following a skewed
|
|
|
|
* distribution and using a pseudo-random value as input
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param instance Pointer to the current instance
|
|
|
|
* @param position Pointer to the current position
|
|
|
|
* @param pseudo_rand 32-bit pseudo-random value used to determine the position
|
2015-10-20 22:46:17 +02:00
|
|
|
* @param same_lane Indicates if the block will be taken from the current lane.
|
|
|
|
* If so we can reference the current segment
|
2015-10-16 10:52:09 +02:00
|
|
|
* @pre All pointers must be valid
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
uint32_t index_alpha(const argon2_instance_t *instance,
|
|
|
|
const argon2_position_t *position, uint32_t pseudo_rand,
|
|
|
|
int same_lane);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Function that validates all inputs against predefined restrictions and return
|
|
|
|
* an error code
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param context Pointer to current Argon2 context
|
2015-10-20 22:46:17 +02:00
|
|
|
* @return ARGON2_OK if everything is all right, otherwise one of error codes
|
|
|
|
* (all defined in <argon2.h>
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
int validate_inputs(const argon2_context *context);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Hashes all the inputs into @a blockhash[PREHASH_DIGEST_LENGTH], clears
|
|
|
|
* password and secret if needed
|
|
|
|
* @param context Pointer to the Argon2 internal structure containing memory
|
|
|
|
* pointer, and parameters for time and space requirements.
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param blockhash Buffer for pre-hashing digest
|
|
|
|
* @param type Argon2 type
|
2015-10-20 22:46:17 +02:00
|
|
|
* @pre @a blockhash must have at least @a PREHASH_DIGEST_LENGTH bytes
|
|
|
|
* allocated
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void initial_hash(uint8_t *blockhash, argon2_context *context,
|
|
|
|
argon2_type type);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Function creates first 2 blocks per lane
|
|
|
|
* @param instance Pointer to the current instance
|
|
|
|
* @param blockhash Pointer to the pre-hashing digest
|
|
|
|
* @pre blockhash must point to @a PREHASH_SEED_LENGTH allocated values
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void fill_firsts_blocks(uint8_t *blockhash, const argon2_instance_t *instance);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Function allocates memory, hashes the inputs with Blake, and creates first
|
|
|
|
* two blocks. Returns the pointer to the main memory with 2 blocks per lane
|
2015-10-16 10:52:09 +02:00
|
|
|
* initialized
|
2015-10-20 22:46:17 +02:00
|
|
|
* @param context Pointer to the Argon2 internal structure containing memory
|
|
|
|
* pointer, and parameters for time and space requirements.
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param instance Current Argon2 instance
|
2015-10-20 22:46:17 +02:00
|
|
|
* @return Zero if successful, -1 if memory failed to allocate. @context->state
|
|
|
|
* will be modified if successful.
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
int initialize(argon2_instance_t *instance, argon2_context *context);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* XORing the last block of each lane, hashing it, making the tag. Deallocates
|
|
|
|
* the memory.
|
|
|
|
* @param context Pointer to current Argon2 context (use only the out parameters
|
|
|
|
* from it)
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param instance Pointer to current instance of Argon2
|
|
|
|
* @pre instance->state must point to necessary amount of memory
|
|
|
|
* @pre context->out must point to outlen bytes of memory
|
2015-10-20 22:46:17 +02:00
|
|
|
* @pre if context->free_cbk is not NULL, it should point to a function that
|
|
|
|
* deallocates memory
|
2015-10-16 10:52:09 +02:00
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void finalize(const argon2_context *context, argon2_instance_t *instance);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Function that fills the segment using previous segments also from other
|
|
|
|
* threads
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param instance Pointer to the current instance
|
|
|
|
* @param position Current position
|
|
|
|
* @pre all block pointers must be valid
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void fill_segment(const argon2_instance_t *instance,
|
2015-10-27 21:38:01 +01:00
|
|
|
argon2_position_t position);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
2015-10-20 22:46:17 +02:00
|
|
|
* Function that fills the entire memory t_cost times based on the first two
|
|
|
|
* blocks in each lane
|
2015-10-16 10:52:09 +02:00
|
|
|
* @param instance Pointer to the current instance
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
void fill_memory_blocks(argon2_instance_t *instance);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Function that performs memory-hard hashing with certain degree of parallelism
|
|
|
|
* @param context Pointer to the Argon2 internal structure
|
|
|
|
* @return Error code if smth is wrong, ARGON2_OK otherwise
|
|
|
|
*/
|
2015-10-27 01:26:25 +01:00
|
|
|
int argon2_core(argon2_context *context, argon2_type type);
|
2015-10-16 10:52:09 +02:00
|
|
|
|
|
|
|
#endif
|