gcm128.c File Reference

#include <openssl/crypto.h>
#include "modes_lcl.h"
#include <string.h>
#include <assert.h>

Go to the source code of this file.

Macros
#define	OPENSSL_FIPSAPI
#define	NDEBUG
#define	PACK(s)   ((size_t)(s)<<(sizeof(size_t)*8-16))
#define	REDUCE1BIT(V)
#define	GCM_MUL(ctx, Xi)   gcm_gmult_4bit(ctx->Xi.u,ctx->Htable)
#define	GHASH(ctx, in, len)   gcm_ghash_4bit((ctx)->Xi.u,(ctx)->Htable,in,len)
#define	GHASH_CHUNK   (3*1024)

Functions
void	CRYPTO_gcm128_init (GCM128_CONTEXT *ctx, void *key, block128_f block)
void	CRYPTO_gcm128_setiv (GCM128_CONTEXT *ctx, const unsigned char *iv, size_t len)
int	CRYPTO_gcm128_aad (GCM128_CONTEXT *ctx, const unsigned char *aad, size_t len)
int	CRYPTO_gcm128_encrypt (GCM128_CONTEXT *ctx, const unsigned char *in, unsigned char *out, size_t len)
int	CRYPTO_gcm128_decrypt (GCM128_CONTEXT *ctx, const unsigned char *in, unsigned char *out, size_t len)
int	CRYPTO_gcm128_encrypt_ctr32 (GCM128_CONTEXT *ctx, const unsigned char *in, unsigned char *out, size_t len, ctr128_f stream)
int	CRYPTO_gcm128_decrypt_ctr32 (GCM128_CONTEXT *ctx, const unsigned char *in, unsigned char *out, size_t len, ctr128_f stream)
int	CRYPTO_gcm128_finish (GCM128_CONTEXT *ctx, const unsigned char *tag, size_t len)
void	CRYPTO_gcm128_tag (GCM128_CONTEXT *ctx, unsigned char *tag, size_t len)
GCM128_CONTEXT *	CRYPTO_gcm128_new (void *key, block128_f block)
void	CRYPTO_gcm128_release (GCM128_CONTEXT *ctx)

Macro Definition Documentation

#define GCM_MUL	(		ctx,
			Xi
	)		gcm_gmult_4bit(ctx->Xi.u,ctx->Htable)

Definition at line 574 of file gcm128.c.

#define GHASH	(		ctx,
			in,
			len
	)		gcm_ghash_4bit((ctx)->Xi.u,(ctx)->Htable,in,len)

Definition at line 576 of file gcm128.c.

#define GHASH_CHUNK   (3*1024)

Definition at line 580 of file gcm128.c.

#define NDEBUG

Definition at line 58 of file gcm128.c.

#define OPENSSL_FIPSAPI

Definition at line 50 of file gcm128.c.

#define PACK

(

s

)

((size_t)(s)<<(sizeof(size_t)*8-16))

Definition at line 71 of file gcm128.c.

#define REDUCE1BIT

(

V

)

Value:

do { \
    if (sizeof(size_t)==8) { \
		u64 T = U64(0xe100000000000000) & (0-(V.lo&1)); \
        V.lo  = (V.hi<<63)|(V.lo>>1); \
        V.hi  = (V.hi>>1 )^T; \
    } \
    else { \
		u32 T = 0xe1000000U & (0-(u32)(V.lo&1)); \
        V.lo  = (V.hi<<63)|(V.lo>>1); \
        V.hi  = (V.hi>>1 )^((u64)T<<32); \
    } \
} while(0)

Definition at line 72 of file gcm128.c.

Function Documentation

int CRYPTO_gcm128_aad	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	aad,
		size_t	len
	)

Definition at line 826 of file gcm128.c.

int CRYPTO_gcm128_decrypt	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	in,
		unsigned char *	out,
		size_t	len
	)

Definition at line 1033 of file gcm128.c.

int CRYPTO_gcm128_decrypt_ctr32	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	in,
		unsigned char *	out,
		size_t	len,
		ctr128_f	stream
	)

Definition at line 1285 of file gcm128.c.

int CRYPTO_gcm128_encrypt	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	in,
		unsigned char *	out,
		size_t	len
	)

Definition at line 883 of file gcm128.c.

int CRYPTO_gcm128_encrypt_ctr32	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	in,
		unsigned char *	out,
		size_t	len,
		ctr128_f	stream
	)

Definition at line 1186 of file gcm128.c.

int CRYPTO_gcm128_finish	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	tag,
		size_t	len
	)

Definition at line 1391 of file gcm128.c.

void CRYPTO_gcm128_init	(	GCM128_CONTEXT *	ctx,
		void *	key,
		block128_f	block
	)

Definition at line 686 of file gcm128.c.

GCM128_CONTEXT* CRYPTO_gcm128_new	(	void *	key,
		block128_f	block
	)

Definition at line 1438 of file gcm128.c.

void CRYPTO_gcm128_release

(

GCM128_CONTEXT *

ctx

)

Definition at line 1448 of file gcm128.c.

void CRYPTO_gcm128_setiv	(	GCM128_CONTEXT *	ctx,
		const unsigned char *	iv,
		size_t	len
	)

Definition at line 756 of file gcm128.c.

void CRYPTO_gcm128_tag	(	GCM128_CONTEXT *	ctx,
		unsigned char *	tag,
		size_t	len
	)

Definition at line 1432 of file gcm128.c.