sha256_ext.h File Reference

Wrapper for SHA-256 calculation performed by TLS library. More...

#include "mhd_options.h"
#include <stdint.h>

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Data Structures
struct	Sha256CtxExt

Macros
#define	SHA256_DIGEST_SIZE   (32)
#define	MHD_SHA256_HAS_EXT_ERROR   1
#define	MHD_SHA256_HAS_INIT_ONE_TIME   1
#define	MHD_SHA256_HAS_FINISH_RESET   1
#define	MHD_SHA256_HAS_DEINIT   1

Functions
void	MHD_SHA256_init_one_time (struct Sha256CtxExt *ctx)
void	MHD_SHA256_update (struct Sha256CtxExt *ctx, const uint8_t *data, size_t length)
void	MHD_SHA256_finish_reset (struct Sha256CtxExt *ctx, uint8_t digest[SHA256_DIGEST_SIZE])
void	MHD_SHA256_deinit (struct Sha256CtxExt *ctx)

Detailed Description

Wrapper for SHA-256 calculation performed by TLS library.

Wrapper declarations for SHA-256 calculation performed by TLS library.

Author

Karlson2k (Evgeny Grin)

Definition in file sha256_ext.h.

Macro Definition Documentation

MHD_SHA256_HAS_DEINIT

#define MHD_SHA256_HAS_DEINIT   1

Indicates that MHD_SHA256_deinit() function is present

Definition at line 105 of file sha256_ext.h.

MHD_SHA256_HAS_EXT_ERROR

#define MHD_SHA256_HAS_EXT_ERROR   1

Indicates that struct Sha256CtxExt has 'ext_error'

Definition at line 47 of file sha256_ext.h.

MHD_SHA256_HAS_FINISH_RESET

#define MHD_SHA256_HAS_FINISH_RESET   1

Indicates that MHD_SHA256_finish_reset() function is available

Definition at line 90 of file sha256_ext.h.

MHD_SHA256_HAS_INIT_ONE_TIME

#define MHD_SHA256_HAS_INIT_ONE_TIME   1

Indicates that MHD_SHA256_init_one_time() function is present.

Definition at line 61 of file sha256_ext.h.

SHA256_DIGEST_SIZE

#define SHA256_DIGEST_SIZE   (32)

Size of SHA-256 resulting digest in bytes This is the final digest size, not intermediate hash.

Definition at line 39 of file sha256_ext.h.

Function Documentation

MHD_SHA256_deinit()

void MHD_SHA256_deinit

(

struct Sha256CtxExt *

ctx

)

Free allocated resources.

Parameters

ctx	the calculation context

Definition at line 97 of file sha256_ext.c.

References Sha256CtxExt::handle, and NULL.

MHD_SHA256_finish_reset()

void MHD_SHA256_finish_reset	(	struct Sha256CtxExt *	ctx,
		uint8_t	digest[SHA256_DIGEST_SIZE] )

Finalise SHA-256 calculation, return digest, reset hash calculation.

Parameters

	ctx	the calculation context
[out]	digest	set to the hash, must be SHA256_DIGEST_SIZE bytes

Definition at line 83 of file sha256_ext.c.

References Sha256CtxExt::ext_error, Sha256CtxExt::handle, and SHA256_DIGEST_SIZE.

MHD_SHA256_init_one_time()

void MHD_SHA256_init_one_time

(

struct Sha256CtxExt *

ctx

)

Initialise structure for SHA-256 calculation, allocate resources.

This function must not be called more than one time for ctx.

Parameters

ctx	the calculation context

Definition at line 39 of file sha256_ext.c.

References Sha256CtxExt::ext_error, Sha256CtxExt::handle, mhd_assert, and NULL.

MHD_SHA256_update()

void MHD_SHA256_update	(	struct Sha256CtxExt *	ctx,
		const uint8_t *	data,
		size_t	length )

SHA-256 process portion of bytes.

Parameters

ctx	the calculation context
data	bytes to add to hash
length	number of bytes in data

Process portion of bytes.

Parameters

ctx	the calculation context
data	bytes to add to hash
length	number of bytes in data

Definition at line 67 of file sha256_ext.c.

References data, Sha256CtxExt::ext_error, and Sha256CtxExt::handle.