usual/crypto/sha256.h File Reference

SHA256 and SHA224 cryptographic hashes. More...

Data Structures
struct	sha256_ctx
	State structure for both SHA256 and SHA224. More...
Defines
#define	SHA224_BLOCK_SIZE
	SHA224 block size in bytes.
#define	SHA256_BLOCK_SIZE
	SHA256 block size in bytes.
#define	SHA224_DIGEST_LENGTH
	SHA224 result length in bytes.
#define	SHA256_DIGEST_LENGTH
	SHA256 result length in bytes.
Functions
void	sha256_reset (struct sha256_ctx *ctx)
	Initialize structure for SHA256.
void	sha256_update (struct sha256_ctx *ctx, const void *data, unsigned int len)
	Process more data.
void	sha256_final (struct sha256_ctx *ctx, uint8_t *dst)
	Calculate final result.
void	sha224_reset (struct sha256_ctx *ctx)
	Initialize structure for SHA224.
void	sha224_update (struct sha256_ctx *ctx, const void *data, unsigned int len)
	Process more data.
void	sha224_final (struct sha256_ctx *ctx, uint8_t *dst)
	Calculate final result.

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Detailed Description

SHA256 and SHA224 cryptographic hashes.

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Define Documentation

#define SHA224_BLOCK_SIZE

SHA224 block size in bytes.

#define SHA256_BLOCK_SIZE

SHA256 block size in bytes.

#define SHA224_DIGEST_LENGTH

SHA224 result length in bytes.

#define SHA256_DIGEST_LENGTH

SHA256 result length in bytes.

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Function Documentation

void sha256_reset

(

struct sha256_ctx *

ctx

)

Initialize structure for SHA256.

void sha256_update	(	struct sha256_ctx *	ctx,
		const void *	data,
		unsigned int	len
	)

Process more data.

void sha256_final	(	struct sha256_ctx *	ctx,
		uint8_t *	dst
	)

Calculate final result.

void sha224_reset

(

struct sha256_ctx *

ctx

)

Initialize structure for SHA224.

void sha224_update	(	struct sha256_ctx *	ctx,
		const void *	data,
		unsigned int	len
	)

Process more data.

void sha224_final	(	struct sha256_ctx *	ctx,
		uint8_t *	dst
	)

Calculate final result.