e_aesctrhmac.c File Reference

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

Include dependency graph for e_aesctrhmac.c:

Go to the source code of this file.

Classes
struct	aead_aes_ctr_hmac_sha256_ctx

Macros
#define	EVP_AEAD_AES_CTR_HMAC_SHA256_NONCE_LEN   12
#define	EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN   SHA256_DIGEST_LENGTH

Functions
static void	aead_aes_ctr_hmac_sha256_cleanup (EVP_AEAD_CTX *ctx)
static void	aead_aes_ctr_hmac_sha256_crypt (const struct aead_aes_ctr_hmac_sha256_ctx *aes_ctx, uint8_t *out, const uint8_t *in, size_t len, const uint8_t *nonce)
static int	aead_aes_ctr_hmac_sha256_init (EVP_AEAD_CTX *ctx, const uint8_t *key, size_t key_len, size_t tag_len)
static int	aead_aes_ctr_hmac_sha256_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_ctr_hmac_sha256_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_ctr_hmac_sha256 (void)
const EVP_AEAD *	EVP_aead_aes_256_ctr_hmac_sha256 (void)
static void	hmac_calculate (uint8_t out[SHA256_DIGEST_LENGTH], const SHA256_CTX *inner_init_state, const SHA256_CTX *outer_init_state, const uint8_t *ad, size_t ad_len, const uint8_t *nonce, const uint8_t *ciphertext, size_t ciphertext_len)
static void	hmac_init (SHA256_CTX *out_inner, SHA256_CTX *out_outer, const uint8_t hmac_key[32])
static void	hmac_update_uint64 (SHA256_CTX *sha256, uint64_t value)
	OPENSSL_STATIC_ASSERT (sizeof(((EVP_AEAD_CTX *) NULL) ->state) >=sizeof(struct aead_aes_ctr_hmac_sha256_ctx), "AEAD state is too small")

Variables
static const EVP_AEAD	aead_aes_128_ctr_hmac_sha256
static const EVP_AEAD	aead_aes_256_ctr_hmac_sha256

Macro Definition Documentation

EVP_AEAD_AES_CTR_HMAC_SHA256_NONCE_LEN

#define EVP_AEAD_AES_CTR_HMAC_SHA256_NONCE_LEN   12

Definition at line 25 of file e_aesctrhmac.c.

EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN

#define EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN   SHA256_DIGEST_LENGTH

Definition at line 24 of file e_aesctrhmac.c.

Function Documentation

aead_aes_ctr_hmac_sha256_cleanup()

static void aead_aes_ctr_hmac_sha256_cleanup ( EVP_AEAD_CTX *  ctx )

static

Definition at line 106 of file e_aesctrhmac.c.

aead_aes_ctr_hmac_sha256_crypt()

static void aead_aes_ctr_hmac_sha256_crypt ( const struct aead_aes_ctr_hmac_sha256_ctx *  aes_ctx, uint8_t *  out, const uint8_t *  in, size_t  len, const uint8_t *  nonce  )

static

Definition at line 152 of file e_aesctrhmac.c.

aead_aes_ctr_hmac_sha256_init()

static int aead_aes_ctr_hmac_sha256_init ( EVP_AEAD_CTX *  ctx, const uint8_t *  key, size_t  key_len, size_t  tag_len  )

static

Definition at line 71 of file e_aesctrhmac.c.

aead_aes_ctr_hmac_sha256_open_gather()

static int aead_aes_ctr_hmac_sha256_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 212 of file e_aesctrhmac.c.

aead_aes_ctr_hmac_sha256_seal_scatter()

static int aead_aes_ctr_hmac_sha256_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 176 of file e_aesctrhmac.c.

EVP_aead_aes_128_ctr_hmac_sha256()

const EVP_AEAD* EVP_aead_aes_128_ctr_hmac_sha256

(

void

)

Definition at line 277 of file e_aesctrhmac.c.

EVP_aead_aes_256_ctr_hmac_sha256()

const EVP_AEAD* EVP_aead_aes_256_ctr_hmac_sha256

(

void

)

Definition at line 281 of file e_aesctrhmac.c.

hmac_calculate()

static void hmac_calculate ( uint8_t  out[SHA256_DIGEST_LENGTH], const SHA256_CTX *  inner_init_state, const SHA256_CTX *  outer_init_state, const uint8_t *  ad, size_t  ad_len, const uint8_t *  nonce, const uint8_t *  ciphertext, size_t  ciphertext_len  )

static

Definition at line 119 of file e_aesctrhmac.c.

hmac_init()

static void hmac_init ( SHA256_CTX *  out_inner, SHA256_CTX *  out_outer, const uint8_t  hmac_key[32]  )

static

Definition at line 47 of file e_aesctrhmac.c.

hmac_update_uint64()

static void hmac_update_uint64 ( SHA256_CTX *  sha256, uint64_t  value  )

static

Definition at line 108 of file e_aesctrhmac.c.

OPENSSL_STATIC_ASSERT()

OPENSSL_STATIC_ASSERT	(	sizeof(((EVP_AEAD_CTX *) NULL) ->state) >=sizeof(struct aead_aes_ctr_hmac_sha256_ctx)	,
		"AEAD state is too small"
	)

Variable Documentation

aead_aes_128_ctr_hmac_sha256

const EVP_AEAD aead_aes_128_ctr_hmac_sha256

static

Initial value:

= {
    16  + 32 ,
    12,                                    
    EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN,  
    EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN,  
    0,                                     
 
    aead_aes_ctr_hmac_sha256_init,
    NULL ,
    aead_aes_ctr_hmac_sha256_cleanup,
    NULL ,
    aead_aes_ctr_hmac_sha256_seal_scatter,
    aead_aes_ctr_hmac_sha256_open_gather,
    NULL ,
    NULL ,
}

Definition at line 243 of file e_aesctrhmac.c.

aead_aes_256_ctr_hmac_sha256

const EVP_AEAD aead_aes_256_ctr_hmac_sha256

static

Initial value:

= {
    32  + 32 ,
    12,                                    
    EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN,  
    EVP_AEAD_AES_CTR_HMAC_SHA256_TAG_LEN,  
    0,                                     
 
    aead_aes_ctr_hmac_sha256_init,
    NULL ,
    aead_aes_ctr_hmac_sha256_cleanup,
    NULL ,
    aead_aes_ctr_hmac_sha256_seal_scatter,
    aead_aes_ctr_hmac_sha256_open_gather,
    NULL ,
    NULL ,
}

Definition at line 260 of file e_aesctrhmac.c.