ascon-hash.c File Reference

#include <ascon/hash.h>
#include "core/ascon-util-snp.h"
#include <string.h>

Go to the source code of this file.

Functions
void	ascon_hash (unsigned char *out, const unsigned char *in, size_t inlen)
	Hashes a block of input data with ASCON-HASH. More...
void	ascon_hash_init (ascon_hash_state_t *state)
	Initializes the state for an ASCON-HASH hashing operation. More...
void	ascon_hash_reinit (ascon_hash_state_t *state)
	Re-initializes the state for an ASCON-HASH hashing operation. More...
void	ascon_hash_free (ascon_hash_state_t *state)
	Frees the ASCON-HASH state and destroys any sensitive material. More...
void	ascon_hash_update (ascon_hash_state_t *state, const unsigned char *in, size_t inlen)
	Updates an ASCON-HASH state with more input data. More...
void	ascon_hash_finalize (ascon_hash_state_t *state, unsigned char *out)
	Returns the final hash value from an ASCON-HASH hashing operation. More...
void	ascon_hash_copy (ascon_hash_state_t *dest, const ascon_hash_state_t *src)
	Clones a copy of an ASCON-HASH state. More...

Function Documentation

ascon_hash()

void ascon_hash	(	unsigned char *	out,
		const unsigned char *	in,
		size_t	inlen
	)

Hashes a block of input data with ASCON-HASH.

Parameters

out	Buffer to receive the hash output which must be at least ASCON_HASH_SIZE bytes in length.
in	Points to the input data to be hashed.
inlen	Length of the input data in bytes.

See also

ascon_hash_init(), ascon_hash_absorb(), ascon_hash_squeeze()

Definition at line 27 of file ascon-hash.c.

ascon_hash_copy()

void ascon_hash_copy	(	ascon_hash_state_t *	dest,
		const ascon_hash_state_t *	src
	)

Clones a copy of an ASCON-HASH state.

Parameters

dest	Destination hash state to copy into.
src	Source hash state to copy from.

The destination will be initialized by this operation, so it must not previously have been initialized or it has already been freed. The source must be already initialized.

Definition at line 100 of file ascon-hash.c.

ascon_hash_finalize()

void ascon_hash_finalize	(	ascon_hash_state_t *	state,
		unsigned char *	out
	)

Returns the final hash value from an ASCON-HASH hashing operation.

Parameters

state	Hash state to be finalized.
out	Points to the output buffer to receive the 32-byte hash value.

See also

ascon_hash_init(), ascon_hash_update()

Definition at line 95 of file ascon-hash.c.

ascon_hash_free()

void ascon_hash_free

(

ascon_hash_state_t *

state

)

Frees the ASCON-HASH state and destroys any sensitive material.

Parameters

state

Hash state to be freed.

Definition at line 84 of file ascon-hash.c.

ascon_hash_init()

void ascon_hash_init

(

ascon_hash_state_t *

state

)

Initializes the state for an ASCON-HASH hashing operation.

Parameters

state

Hash state to be initialized.

See also

ascon_hash_update(), ascon_hash_finalize(), ascon_hash()

Definition at line 36 of file ascon-hash.c.

ascon_hash_reinit()

void ascon_hash_reinit

(

ascon_hash_state_t *

state

)

Re-initializes the state for an ASCON-HASH hashing operation.

Parameters

state

Hash state to be re-initialized.

This function is equivalent to calling ascon_hash_free() and then ascon_hash_init() to restart the hashing process.

See also

ascon_hash_init()

Definition at line 73 of file ascon-hash.c.

ascon_hash_update()

void ascon_hash_update	(	ascon_hash_state_t *	state,
		const unsigned char *	in,
		size_t	inlen
	)

Updates an ASCON-HASH state with more input data.

Parameters

state	Hash state to be updated.
in	Points to the input data to be incorporated into the state.
inlen	Length of the input data to be incorporated into the state.

See also

ascon_hash_init(), ascon_hash_finalize()

Definition at line 89 of file ascon-hash.c.