e_aesgcmsiv.c File Reference

#include <openssl/aead.h>
#include <assert.h>
#include <openssl/cipher.h>
#include <openssl/cpu.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include "../fipsmodule/cipher/internal.h"

Include dependency graph for e_aesgcmsiv.c:

Go to the source code of this file.

Classes
struct	aead_aes_gcm_siv_ctx
struct	gcm_siv_record_keys

Macros
#define	EVP_AEAD_AES_GCM_SIV_NONCE_LEN   12
#define	EVP_AEAD_AES_GCM_SIV_TAG_LEN   16

Functions
static void	aead_aes_gcm_siv_cleanup (EVP_AEAD_CTX *ctx)
static int	aead_aes_gcm_siv_init (EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len)
static int	aead_aes_gcm_siv_open_gather (const EVP_AEAD_CTX *ctx, uint8_t *out, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t in_len, const uint8_t *in_tag, size_t in_tag_len, const uint8_t *ad, size_t ad_len)
static int	aead_aes_gcm_siv_seal_scatter (const EVP_AEAD_CTX *ctx, uint8_t *out, uint8_t *out_tag, size_t *out_tag_len, size_t max_out_tag_len, const uint8_t *nonce, size_t nonce_len, const uint8_t *in, size_t in_len, const uint8_t *extra_in, size_t extra_in_len, const uint8_t *ad, size_t ad_len)
const EVP_AEAD *	EVP_aead_aes_128_gcm_siv (void)
const EVP_AEAD *	EVP_aead_aes_256_gcm_siv (void)
static void	gcm_siv_crypt (uint8_t *out, const uint8_t *in, size_t in_len, const uint8_t initial_counter[AES_BLOCK_SIZE], block128_f enc_block, const AES_KEY *key)
static void	gcm_siv_keys (const struct aead_aes_gcm_siv_ctx *gcm_siv_ctx, struct gcm_siv_record_keys *out_keys, const uint8_t nonce[EVP_AEAD_AES_GCM_SIV_NONCE_LEN])
static void	gcm_siv_polyval (uint8_t out_tag[16], const uint8_t *in, size_t in_len, const uint8_t *ad, size_t ad_len, const uint8_t auth_key[16], const uint8_t nonce[EVP_AEAD_AES_GCM_SIV_NONCE_LEN])
	OPENSSL_STATIC_ASSERT (sizeof(((EVP_AEAD_CTX *) NULL) ->state) >=sizeof(struct aead_aes_gcm_siv_ctx), "AEAD state is too small")

Variables
static const EVP_AEAD	aead_aes_128_gcm_siv
static const EVP_AEAD	aead_aes_256_gcm_siv

Macro Definition Documentation

EVP_AEAD_AES_GCM_SIV_NONCE_LEN

#define EVP_AEAD_AES_GCM_SIV_NONCE_LEN   12

Definition at line 27 of file e_aesgcmsiv.c.

EVP_AEAD_AES_GCM_SIV_TAG_LEN

#define EVP_AEAD_AES_GCM_SIV_TAG_LEN   16

Definition at line 28 of file e_aesgcmsiv.c.

Function Documentation

aead_aes_gcm_siv_cleanup()

static void aead_aes_gcm_siv_cleanup ( EVP_AEAD_CTX *  ctx )

static

Definition at line 610 of file e_aesgcmsiv.c.

aead_aes_gcm_siv_init()

static int aead_aes_gcm_siv_init ( EVP_AEAD_CTX *  ctx, const uint8_t *  key, size_t  key_len, size_t  tag_len  )

static

Definition at line 581 of file e_aesgcmsiv.c.

aead_aes_gcm_siv_open_gather()

static int aead_aes_gcm_siv_open_gather ( const EVP_AEAD_CTX *  ctx, uint8_t *  out, const uint8_t *  nonce, size_t  nonce_len, const uint8_t *  in, size_t  in_len, const uint8_t *  in_tag, size_t  in_tag_len, const uint8_t *  ad, size_t  ad_len  )

static

Definition at line 780 of file e_aesgcmsiv.c.

aead_aes_gcm_siv_seal_scatter()

static int aead_aes_gcm_siv_seal_scatter ( const EVP_AEAD_CTX *  ctx, uint8_t *  out, uint8_t *  out_tag, size_t *  out_tag_len, size_t  max_out_tag_len, const uint8_t *  nonce, size_t  nonce_len, const uint8_t *  in, size_t  in_len, const uint8_t *  extra_in, size_t  extra_in_len, const uint8_t *  ad, size_t  ad_len  )

static

Definition at line 738 of file e_aesgcmsiv.c.

EVP_aead_aes_128_gcm_siv()

const EVP_AEAD* EVP_aead_aes_128_gcm_siv

(

void

)

Definition at line 883 of file e_aesgcmsiv.c.

EVP_aead_aes_256_gcm_siv()

const EVP_AEAD* EVP_aead_aes_256_gcm_siv

(

void

)

Definition at line 887 of file e_aesgcmsiv.c.

gcm_siv_crypt()

static void gcm_siv_crypt ( uint8_t *  out, const uint8_t *  in, size_t  in_len, const uint8_t  initial_counter[AES_BLOCK_SIZE], block128_f  enc_block, const AES_KEY *  key  )

static

Definition at line 619 of file e_aesgcmsiv.c.

gcm_siv_keys()

static void gcm_siv_keys ( const struct aead_aes_gcm_siv_ctx *  gcm_siv_ctx, struct gcm_siv_record_keys *  out_keys, const uint8_t  nonce[EVP_AEAD_AES_GCM_SIV_NONCE_LEN]  )

static

Definition at line 705 of file e_aesgcmsiv.c.

gcm_siv_polyval()

static void gcm_siv_polyval ( uint8_t  out_tag[16], const uint8_t *  in, size_t  in_len, const uint8_t *  ad, size_t  ad_len, const uint8_t  auth_key[16], const uint8_t  nonce[EVP_AEAD_AES_GCM_SIV_NONCE_LEN]  )

static

Definition at line 650 of file e_aesgcmsiv.c.

OPENSSL_STATIC_ASSERT()

OPENSSL_STATIC_ASSERT	(	sizeof(((EVP_AEAD_CTX *) NULL) ->state) >=sizeof(struct aead_aes_gcm_siv_ctx)	,
		"AEAD state is too small"
	)

Variable Documentation

aead_aes_128_gcm_siv

const EVP_AEAD aead_aes_128_gcm_siv

static

Initial value:

= {
    16,                              
    EVP_AEAD_AES_GCM_SIV_NONCE_LEN,  
    EVP_AEAD_AES_GCM_SIV_TAG_LEN,    
    EVP_AEAD_AES_GCM_SIV_TAG_LEN,    
    0,                               
 
    aead_aes_gcm_siv_init,
    NULL ,
    aead_aes_gcm_siv_cleanup,
    NULL ,
    aead_aes_gcm_siv_seal_scatter,
    aead_aes_gcm_siv_open_gather,
    NULL ,
    NULL ,
}

Definition at line 824 of file e_aesgcmsiv.c.

aead_aes_256_gcm_siv

const EVP_AEAD aead_aes_256_gcm_siv

static

Initial value:

= {
    32,                              
    EVP_AEAD_AES_GCM_SIV_NONCE_LEN,  
    EVP_AEAD_AES_GCM_SIV_TAG_LEN,    
    EVP_AEAD_AES_GCM_SIV_TAG_LEN,    
    0,                               
 
    aead_aes_gcm_siv_init,
    NULL ,
    aead_aes_gcm_siv_cleanup,
    NULL ,
    aead_aes_gcm_siv_seal_scatter,
    aead_aes_gcm_siv_open_gather,
    NULL ,
    NULL ,
}

Definition at line 841 of file e_aesgcmsiv.c.