sha2.h File Reference

#include <stddef.h>

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Classes
struct	SHAstate_st
struct	SHA256state_st

Macros
#define	fips_md_init(alg)   fips_md_init_ctx(alg, alg)
#define	fips_md_init_ctx(alg, cx)   int alg##_Init(cx##_CTX *c)
#define	fips_cipher_abort(alg)   while (0)
#define	SHA_LONG   unsigned int
#define	SHA_LBLOCK   16
#define	SHA_CBLOCK
#define	SHA_LAST_BLOCK   (SHA_CBLOCK - 8)
#define	SHA_DIGEST_LENGTH   20
#define	SHA256_CBLOCK
#define	SHA224_DIGEST_LENGTH   28
#define	SHA256_DIGEST_LENGTH   32
#define	SHA384_DIGEST_LENGTH   48
#define	SHA512_DIGEST_LENGTH   64

Typedefs
typedef struct SHAstate_st	SHA_CTX
typedef struct SHA256state_st	SHA256_CTX

Functions
int	SHA224_Init (SHA256_CTX *c)
int	SHA224_Update (SHA256_CTX *c, const void *data, size_t len)
int	SHA224_Final (unsigned char *md, SHA256_CTX *c)
unsigned char *	SHA224 (const unsigned char *d, size_t n, unsigned char *md)
int	SHA256_Init (SHA256_CTX *c)
int	SHA256_Update (SHA256_CTX *c, const void *data, size_t len)
int	SHA256_Final (unsigned char *md, SHA256_CTX *c)
unsigned char *	SHA256 (const unsigned char *d, size_t n, unsigned char *md)
void	SHA256_Transform (SHA256_CTX *c, const unsigned char *data)

Macro Definition Documentation

fips_cipher_abort

#define fips_cipher_abort

(

alg

)

while (0)

fips_md_init

#define fips_md_init

(

alg

)

fips_md_init_ctx(alg, alg)

fips_md_init_ctx

#define fips_md_init_ctx	(		alg,
			cx
	)		int alg##_Init(cx##_CTX *c)

SHA224_DIGEST_LENGTH

#define SHA224_DIGEST_LENGTH   28

SHA256_CBLOCK

#define SHA256_CBLOCK

Value:

    (SHA_LBLOCK * 4) /* SHA-256 treats input data as a                               \
              * contiguous array of 32 bit wide                              \
              * big-endian values. */

SHA256_DIGEST_LENGTH

#define SHA256_DIGEST_LENGTH   32

SHA384_DIGEST_LENGTH

#define SHA384_DIGEST_LENGTH   48

SHA512_DIGEST_LENGTH

#define SHA512_DIGEST_LENGTH   64

SHA_CBLOCK

#define SHA_CBLOCK

Value:

    (SHA_LBLOCK * 4) /* SHA treats input data as a                                   \
              * contiguous array of 32 bit wide                              \
              * big-endian values. */

SHA_DIGEST_LENGTH

#define SHA_DIGEST_LENGTH   20

SHA_LAST_BLOCK

#define SHA_LAST_BLOCK   (SHA_CBLOCK - 8)

SHA_LBLOCK

#define SHA_LBLOCK   16

SHA_LONG

#define SHA_LONG   unsigned int

Typedef Documentation

SHA256_CTX

typedef struct SHA256state_st SHA256_CTX

SHA_CTX

typedef struct SHAstate_st SHA_CTX

Function Documentation

SHA224()

unsigned char* SHA224	(	const unsigned char *	d,
		size_t	n,
		unsigned char *	md
	)

References OPENSSL_cleanse(), SHA224_DIGEST_LENGTH, SHA224_Init(), SHA256_Final(), and SHA256_Update().

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SHA224_Final()

int SHA224_Final	(	unsigned char *	md,
		SHA256_CTX *	c
	)

References SHA256_Final().

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SHA224_Init()

int SHA224_Init

(

SHA256_CTX *

c

)

Referenced by SHA224().

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SHA224_Update()

int SHA224_Update	(	SHA256_CTX *	c,
		const void *	data,
		size_t	len
	)

References SHA256_Update().

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SHA256()

unsigned char* SHA256	(	const unsigned char *	d,
		size_t	n,
		unsigned char *	md
	)

References OPENSSL_cleanse(), SHA256_DIGEST_LENGTH, SHA256_Final(), SHA256_Init(), and SHA256_Update().

Referenced by hash().

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SHA256_Final()

int SHA256_Final	(	unsigned char *	md,
		SHA256_CTX *	c
	)

Referenced by hash_final(), SHA224(), SHA224_Final(), and SHA256().

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SHA256_Init()

int SHA256_Init

(

SHA256_CTX *

c

)

Referenced by hash_init(), and SHA256().

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SHA256_Transform()

void SHA256_Transform	(	SHA256_CTX *	c,
		const unsigned char *	data
	)

SHA256_Update()

int SHA256_Update	(	SHA256_CTX *	c,
		const void *	data,
		size_t	len
	)

Referenced by hash_update(), SHA224(), SHA224_Update(), and SHA256().

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