sha256.h File Reference

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Data Structures
struct	sha256_ctx

Macros
#define	SHA256_DIGEST_SIZE   32
#define	SHA256_BLOCK_SIZE   64
#define	_SHA256_DIGEST_LENGTH   8

Functions
void	sha256_init (void *ctx_)
void	sha256_update (void *ctx_, const uint8_t *data, size_t length)
void	sha256_digest (void *ctx_, uint8_t digest[SHA256_DIGEST_SIZE])

Macro Definition Documentation

_SHA256_DIGEST_LENGTH

#define _SHA256_DIGEST_LENGTH   8

Definition at line 43 of file sha256.h.

Referenced by sha256_init().

SHA256_BLOCK_SIZE

#define SHA256_BLOCK_SIZE   64

Definition at line 40 of file sha256.h.

Referenced by sha256_write_digest().

SHA256_DIGEST_SIZE

#define SHA256_DIGEST_SIZE   32

Definition at line 39 of file sha256.h.

Referenced by sha256_digest(), and sha256_write_digest().

Function Documentation

sha256_digest()

void sha256_digest	(	void *	ctx_,
		uint8_t	digest[SHA256_DIGEST_SIZE]
	)

Complete SHA256 calculation.

Parameters

ctx_	must be a struct sha256_ctx *
digest[out]	set to the hash, must be SHA256_DIGEST_SIZE bytes

sha256_init()

void sha256_init

(

void *

ctx_

)

Start SHA256 calculation.

Parameters

ctx_	must be a struct sha256_ctx *

Definition at line 238 of file sha256.c.

References _SHA256_DIGEST_LENGTH, sha256_ctx::count, sha256_ctx::index, and sha256_ctx::state.

Referenced by sha256_digest().

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sha256_update()

void sha256_update	(	void *	ctx_,
		const uint8_t *	data,
		size_t	length
	)

Update hash calculation.

Parameters

ctx_	must be a struct sha256_ctx *
length	number of bytes in data
data	bytes to add to hash

Definition at line 326 of file sha256.c.

References COMPRESS, sha256_ctx::count, data, and MD_UPDATE.