SHA-224

Implementation of the SHA-224 hashing function. More...

Detailed Description

Implementation of the SHA-224 hashing function.

Files
file	sha224.h
	Header definitions for the SHA224 hash function.

Macros
#define	SHA224_DIGEST_LENGTH   (28)
	Length of SHA224 digests in bytes.
#define	SHA224_INTERNAL_BLOCK_SIZE   (64)
	512 Bit (64 Byte) internally used block size for sha224

Typedefs
typedef sha2xx_context_t	sha224_context_t
	Context for cipher operations based on sha224.

Functions
void	sha224_init (sha224_context_t *ctx)
	SHA-224 initialization. More...
static void	sha224_update (sha224_context_t *ctx, const void *data, size_t len)
	Add bytes into the hash. More...
static void	sha224_final (sha224_context_t *ctx, void *digest)
	SHA-224 finalization. More...
void *	sha224 (const void *data, size_t len, void *digest)
	A wrapper function to simplify the generation of a hash, this is useful for generating sha224 for one buffer. More...

Function Documentation

sha224()

void* sha224	(	const void *	data,
		size_t	len,
		void *	digest
	)

A wrapper function to simplify the generation of a hash, this is useful for generating sha224 for one buffer.

Parameters

[in]	data	pointer to the buffer to generate hash from
[in]	len	length of the buffer
[out]	digest	optional pointer to an array for the result, length must be SHA224_DIGEST_LENGTH if digest == NULL, one static buffer is used

sha224_final()

static void sha224_final ( sha224_context_t *  ctx, void *  digest  )

inlinestatic

SHA-224 finalization.

Pads the input data, exports the hash value, and clears the context state.

Parameters

ctx	sha224_context_t handle to use
digest	resulting digest, this is the hash of all the bytes

Definition at line 103 of file sha224.h.

sha224_init()

void sha224_init

(

sha224_context_t *

ctx

)

SHA-224 initialization.

Begins a SHA-224 operation.

Parameters

ctx	sha224_context_t handle to init

sha224_update()

static void sha224_update ( sha224_context_t *  ctx, const void *  data, size_t  len  )

inlinestatic

Add bytes into the hash.

Parameters

	ctx	sha224_context_t handle to use
[in]	data	Input data
[in]	len	Length of data

Definition at line 91 of file sha224.h.