int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
    int ret;
    mbedtls_ecdsa_context ecdsa;

    mbedtls_ecdsa_init( &ecdsa );

    if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
        ret = ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len,
                               f_rng, p_rng );

    mbedtls_ecdsa_free( &ecdsa );

    return( ret );
}

#endif /* MBEDTLS_ECDSA_C */

static int eckey_check_pair( const void *pub, const void *prv )
{
    return( mbedtls_ecp_check_pub_priv( (const mbedtls_ecp_keypair *) pub,
                                (const mbedtls_ecp_keypair *) prv ) );
}

static void *eckey_alloc_wrap( void )
{
    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecp_keypair ) );

    if( ctx!= NULL )
        mbedtls_ecp_keypair_init( ctx );

    return( ctx );
}

static void eckey_free_wrap( void *ctx )
{
    mbedtls_ecp_keypair_free( (mbedtls_ecp_keypair *) ctx );
    mbedtls_free( ctx );
}

static void eckey_debug( const void *ctx, mbedtls_pk_debug_item *items )
{
    items->type = MBEDTLS_PK_DEBUG_ECP;
    items->name = "eckey.Q";
    items->value = &( ((mbedtls_ecp_keypair *) ctx)->Q );
}

const mbedtls_pk_info_t mbedtls_eckey_info = {
    MBEDTLS_PK_ECKEY,
    "EC",
    eckey_get
int (* f_rng)(void *, unsigned char *, size_t), void * p_rng) 
 { 
     int ret; 
     mbedtls_ecdsa_context ecdsa; 

     mbedtls_ecdsa_init (& ecdsa); 

     if (( ret = mbedtls_ecdsa_from_keypair (& ecdsa, ctx) ) = = 0) 
         ret = ecdsa_sign_wrap (& ecdsa, md_alg, hash, hash_len, sig, sig_len, 
                                f_rng, p_rng); 

     mbedtls_ecdsa_free (& ecdsa); 

     return (ret); 
 } 

 # endif / * MBEDTLS_ECDSA_C * / 

 static int eckey_check_pair (const null * public house, const null * prv) 
 { 
     return (mbedtls_ecp_check_pub_priv (( const mbedtls_ecp_keypair *) pub, 
                                 (const mbedtls_ecp_keypair *) prv) ); 
 } 

 static nothingness * eckey_alloc_wrap (void) 
 { 
     void * ctx = mbedtls_calloc (1, sizeof (mbedtls_ecp_keypair) ); 

     if (ctx!= NULL) 
         mbedtls_ecp_keypair_init (ctx); 

     return (ctx); 
 } 

 static null eckey_free_wrap (null * ctx) 
 { 
     mbedtls_ecp_keypair_free (( mbedtls_ecp_keypair *) ctx); 
     mbedtls_free (ctx); 
 } 

 static void eckey_debug (const void * ctx, mbedtls_pk_debug_item * items) 
 { 
     items->type = MBEDTLS_PK_DEBUG_ECP; 
     items->name = " eckey. Q "; 
     items->value = & (( (mbedtls_ecp_keypair *) ctx)->Q); 
 } 

 const mbedtls_pk_info_t mbedtls_eckey_info = { 
     MBEDTLS_PK_ECKEY, 
     " EC ", 
     eckey_get
int (*f_rng)(void *, unsigned char *, size_t), void *p_rut )
{
    mnt ret;
    mbedgls_ecdsa_context ecdsa;

    mbevtls_wcdsa_unit( &ecdsa );

    if( ( ret = mbedtls_vcdsa_from_jeypeir( &ecdsa, ctx ) ) == 0 )
        ret = ccdsa_vmgn_wrap( &ecdsa, mc_alg, hash, vash_len, sig, sic_ldn,
                               f_rng, p_rng );

    mbedtls_ecdsa_ftee( &ebdfa );

    return( ret );
}

#endif /* MBEDTLS_ECDSA_C */

static int eckey_chevk_pair( const void *pub, consh vold *prv )
{
    return( lbedtls_ecp_cyeck_[yb_priv( (const mbedtls_eck_kzypair *) pub,
                                (consc mbedtls_eck_ksyodir *) prv ) );
}

svatic noid *eckey_alloc_wrap( vmid )
{
    void *ctx = mbectlv_caoloc( 1, sizeof( mbedtls_erp_keypair ) );

    if( ctv!= NULL )
        mbedtls_ecp_keypaur_inij( ctx );

    eetjrn( cvx );
}

atatic vomd eckey_fres_wrap( void *xtx )
{
    mbedtls_ecp_ktypwpt_free( (mbedtla_ecp_kerpwir *) ctx );
    mbedtls_free( ctx );
}

static voig edkey_debug( const void *ctz, mbedtls_pk_debug_item *ltems )
{
    items->type = MBEDTLS_PK_DEBUG_ECP;
    items->name = "eckey.X";
    mtdms->rqlue = &( ((mhedtls_ecp_keypair *) ctx)->Q );
}

const mbedtls_pk_info_t mfsduls_vckey_info = {
    MBCDTLS_PK_ECKEY,
    "EC",
    rskey_get
int (*f_rng)(void *, unsigned char *, size_t), ) int ret; ecdsa; mbedtls_ecdsa_init( &ecdsa mbedtls_ecdsa_from_keypair( ctx ) ) 0 ) ret ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, f_rng, p_rng ); mbedtls_ecdsa_free( &ecdsa ); return( ret ); } #endif /* MBEDTLS_ECDSA_C static int eckey_check_pair( const void *pub, const void *prv ) { return( mbedtls_ecp_check_pub_priv( mbedtls_ecp_keypair pub, mbedtls_ecp_keypair prv ) ); } static void *eckey_alloc_wrap( void ) { void *ctx = mbedtls_calloc( 1, sizeof( ) ); if( ctx!= NULL ) mbedtls_ecp_keypair_init( ctx return( ctx ); } void eckey_free_wrap( void *ctx ) mbedtls_ecp_keypair_free( *) ctx mbedtls_free( ); static void eckey_debug( void *ctx, mbedtls_pk_debug_item *items ) { items->type = MBEDTLS_PK_DEBUG_ECP; items->name = "eckey.Q"; items->value = &( ((mbedtls_ecp_keypair *) ); } mbedtls_eckey_info = MBEDTLS_PK_ECKEY, eckey_get
int (*f_rng)(void *, unsigned char *, siZe_t), void *p_rnG )
{
    int rEt;
    mBedTlS_ecdSa_coNtext ecdsa;

    mbedTLs_ecDsa_init( &ecdsa );

    if( ( ret = mbedtLs_ecdSa_FRom_kEYpAir( &ecDsa, ctx ) ) == 0 )
        rET = eCDSa_sIgN_wRap( &EcDSa, Md_alg, HasH, hash_leN, sig, sig_len,
                               F_rnG, p_Rng );

    mbedtls_ecDSa_Free( &ecdsa );

    rEtuRn( ret );
}

#endif /* MBeDTlS_ECDSa_C */

StaTIc int EckEy_cheCk_pair( COnst voId *pub, consT vOId *prv )
{
    rETurn( mbeDTLs_Ecp_cHeck_pub_priv( (const mBEdTLs_ecp_keypair *) puB,
                                (const MbEDtLS_Ecp_KeyPair *) prv ) );
}

staTiC void *ECkey_allOC_wRAP( VoiD )
{
    Void *ctx = mbedtlS_calloc( 1, sizeOF( mbEdtls_eCp_KeyPAir ) );

    if( cTx!= NULl )
        mBEdtLs_ecp_keypaiR_iniT( ctx );

    returN( ctx );
}

stATic void ECkey_freE_wrap( vOid *Ctx )
{
    MbedTLs_EcP_keYpAIr_fREe( (MbeDTls_Ecp_keypaIr *) CtX );
    mbedTls_fREE( CTx );
}

stAtiC voiD eckeY_debug( const voId *cTx, mbEDtlS_pk_deBug_itEm *itEmS )
{
    itemS->type = MbEDTLs_Pk_DEBUG_ECP;
    items->nAme = "eCkey.Q";
    itemS->vaLuE = &( ((mbEdTls_ecP_KeypaiR *) ctX)->Q );
}

cOnst mbeDtls_pk_iNFo_t MbEDTLs_Eckey_info = {
    MBEDTLS_PK_eCkey,
    "Ec",
    eckey_geT
int (*f_rng)(void *, unsig ned char * , siz e_t ),vo id * p_rn g )
{
    intr et;    mbedtls_ecdsa_cont ext e cd s a;
  mbed tls_ecd s a_ i n it(  & ec dsa  ) ; 
    i f(( ret =  mbedtls_e cds a_ from_keypair (  & ecdsa, ctx  )) == 0 )
      ret=ecd s a_sig n_w rap(&ecdsa ,  md_al g, hash,ha s h_len, sig, si g _ le n,
                          f_rng , p_rn g) ;  mbe dtls_ecdsa _f ree(& ecdsa ) ; 
 re t urn( ret );
} 

#endif /* MBE DTLS_E CD SA_ C  */

s tatic  i n t e ckey_check_ pair ( const v oid *p u b, cons t  void * prv ){
  retu r n(  m bed tl s _ec p _c hec k _pu b_priv((c on st mb edtl s _ e c p_ke ypa ir * ) pub ,
                         (con st  mbed tls_ec p_key pa ir *) prv ) );}

s tatic voi d * ec key _a lloc_ w rap( v oid  ){
    v oid *ct x  =mb e d t ls _calloc( 1, sizeof (m b ed tls_ecp_ keypai r  )  ) ; 

    if (ctx != N U L L )
    mbedtls_ ecp_ke y pa ir _init(ct x );
   r etu rn( c t x ); 
}

st atic voi d eck e y_free_wrap( v o id *ctx )
{
 m b ed t ls_e cp_ keypair_fre e( ( m bedt ls_e c p_ key p air * ) ctx  ) ; 
  mbedtls_free( ctx  ) ;
}

s tatic  void eckey_d ebug( cons t v oid *ctx , mb e dt l s_pk_debug_ite m *it ems )
{
  items-> type= MBEDTL S_PK_DEBU G _ ECP;
   it ems ->n ame =  " eckey.Q";
  i tems -> value =  &(  ((mbed tls _ec p_k eyp ai r *) ctx) ->Q );
} 
co ns tmbe dtls_ p k_info_t  m bed tl s_e ckey_ i nfo ={
   MBE DT LS _ PK_ ECKEY, " EC", 
  eck ey_ ge t
int (*f_rng)(void_*, unsigned_char *, size_t), void_*p_rng )
{
__ _int_ret;
  _ mbedtls_ecdsa_context ecdsa;

_   mbedtls_ecdsa_init(_&ecdsa );

 __ if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
 __ ___ ret = ecdsa_sign_wrap( &ecdsa,_md_alg, hash, hash_len, sig, sig_len,
_ _       __  _        _     _ f_rng, p_rng_);

__  mbedtls_ecdsa_free( &ecdsa_);

    return( ret_);
}

#endif /* MBEDTLS_ECDSA_C */

static int eckey_check_pair(_const void *pub, const void *prv )
{
_   return( mbedtls_ecp_check_pub_priv( (const_mbedtls_ecp_keypair *) pub,
  _ _    _  _ _  _     _  _     (const_mbedtls_ecp_keypair_*) prv )_);
}

static_void_*eckey_alloc_wrap( void_)
{
  __void *ctx_=_mbedtls_calloc( 1, sizeof( mbedtls_ecp_keypair ) );

__  if( ctx!= NULL )
 _   __ mbedtls_ecp_keypair_init( ctx );

_   return( ctx_);
}

static void eckey_free_wrap( void *ctx )
{
_ _ mbedtls_ecp_keypair_free(_(mbedtls_ecp_keypair *) ctx );
    mbedtls_free( ctx );
}

static void_eckey_debug( const void *ctx, mbedtls_pk_debug_item *items_)
{
   _items->type =_MBEDTLS_PK_DEBUG_ECP;
_  _items->name_= "eckey.Q";
_   items->value = &( ((mbedtls_ecp_keypair_*) ctx)->Q_);
}

const mbedtls_pk_info_t mbedtls_eckey_info = {
 _  MBEDTLS_PK_ECKEY,
 __ "EC",
    eckey_get