Documentation

Documentation

Includes

config.h

#include "config.h"
#include "config.h"

MBEDTLS_CONFIG_FILE

#include MBEDTLS_CONFIG_FILE
#include MBEDTLS_CONFIG_FILE

aes.h

#include "aes.h"
#include "aes.h"

Macros

Marco MBEDTLS_AESNI_H

#define MBEDTLS_AESNI_H


      

Marco MBEDTLS_AESNI_AES

#define MBEDTLS_AESNI_AES     33554432u


      

Marco MBEDTLS_AESNI_CLMUL

#define MBEDTLS_AESNI_CLMUL   2u


      

Marco MBEDTLS_HAVE_X86_64

#define MBEDTLS_HAVE_X86_64

      

Functions

Func mbedtls_aesni_has_support

int mbedtls_aesni_has_support( unsigned int what );
/**
 * \brief          Internal function to detect the AES-NI feature in CPUs.
 *
 * \note           This function is only for internal use by other library
 *                 functions; you must not call it directly.
 *
 * \param what     The feature to detect
 *                 (MBEDTLS_AESNI_AES or MBEDTLS_AESNI_CLMUL)
 *
 * \return         1 if CPU has support for the feature, 0 otherwise
 */

Func mbedtls_aesni_crypt_ecb

int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
                            int mode,
                            const unsigned char input[16],
                            unsigned char output[16] );
/**
 * \brief          Internal AES-NI AES-ECB block encryption and decryption
 *
 * \note           This function is only for internal use by other library
 *                 functions; you must not call it directly.
 *
 * \param ctx      AES context
 * \param mode     MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
 * \param input    16-byte input block
 * \param output   16-byte output block
 *
 * \return         0 on success (cannot fail)
 */

Func mbedtls_aesni_gcm_mult

void mbedtls_aesni_gcm_mult( unsigned char c[16],
                            const unsigned char a[16],
                            const unsigned char b[16] );
/**
 * \brief          Internal GCM multiplication: c = a * b in GF(2^128)
 *
 * \note           This function is only for internal use by other library
 *                 functions; you must not call it directly.
 *
 * \param c        Result
 * \param a        First operand
 * \param b        Second operand
 *
 * \note           Both operands and result are bit strings interpreted as
 *                 elements of GF(2^128) as per the GCM spec.
 */

Func mbedtls_aesni_inverse_key

void mbedtls_aesni_inverse_key( unsigned char *invkey,
                               const unsigned char *fwdkey,
                               int nr );
/**
 * \brief           Internal round key inversion. This function computes
 *                  decryption round keys from the encryption round keys.
 *
 * \note            This function is only for internal use by other library
 *                  functions; you must not call it directly.
 *
 * \param invkey    Round keys for the equivalent inverse cipher
 * \param fwdkey    Original round keys (for encryption)
 * \param nr        Number of rounds (that is, number of round keys minus one)
 */

Func mbedtls_aesni_setkey_enc

int mbedtls_aesni_setkey_enc( unsigned char *rk,
                             const unsigned char *key,
                             size_t bits );
/**
 * \brief           Internal key expansion for encryption
 *
 * \note            This function is only for internal use by other library
 *                  functions; you must not call it directly.
 *
 * \param rk        Destination buffer where the round keys are written
 * \param key       Encryption key
 * \param bits      Key size in bits (must be 128, 192 or 256)
 *
 * \return          0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
 */

Vars

Consts

Types

Typedefs