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Rename a few functions

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This commit is contained in:
Manuel Pégourié-Gonnard 2013-12-02 19:44:41 +01:00
parent 498fd354c6
commit 3c0b4ea97e
1 changed files with 12 additions and 12 deletions
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24
library/ecp.c
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@ -636,7 +636,7 @@ cleanup:
* Normalize jacobian coordinates so that Z == 0 || Z == 1 (GECC 3.2.1)
* Cost: 1N := 1I + 3M + 1S
*/
static int ecp_normalize( const ecp_group *grp, ecp_point *pt )
static int ecp_normalize_jac( const ecp_group *grp, ecp_point *pt )
{
int ret;
mpi Zi, ZZi;
@ -682,7 +682,7 @@ cleanup:
*
* Cost: 1N(t) := 1I + (6t - 3)M + 1S
*/
static int ecp_normalize_many( const ecp_group *grp,
static int ecp_normalize_jac_many( const ecp_group *grp,
ecp_point *T[], size_t t_len )
{
int ret;
@ -690,7 +690,7 @@ static int ecp_normalize_many( const ecp_group *grp,
mpi *c, u, Zi, ZZi;
if( t_len < 2 )
return( ecp_normalize( grp, *T ) );
return( ecp_normalize_jac( grp, *T ) );
if( ( c = (mpi *) polarssl_malloc( t_len * sizeof( mpi ) ) ) == NULL )
return( POLARSSL_ERR_ECP_MALLOC_FAILED );
@ -756,7 +756,7 @@ cleanup:
* Conditional point inversion: Q -> -Q = (Q.X, -Q.Y, Q.Z) without leak.
* "inv" must be 0 (don't invert) or 1 (invert) or the result will be invalid
*/
static int ecp_safe_invert( const ecp_group *grp,
static int ecp_safe_invert_jac( const ecp_group *grp,
ecp_point *Q,
unsigned char inv )
{
@ -937,7 +937,7 @@ int ecp_add( const ecp_group *grp, ecp_point *R,
int ret;
MPI_CHK( ecp_add_mixed( grp, R, P, Q ) );
MPI_CHK( ecp_normalize( grp, R ) );
MPI_CHK( ecp_normalize_jac( grp, R ) );
cleanup:
return( ret );
@ -961,7 +961,7 @@ int ecp_sub( const ecp_group *grp, ecp_point *R,
MPI_CHK( mpi_sub_mpi( &mQ.Y, &grp->P, &mQ.Y ) );
MPI_CHK( ecp_add_mixed( grp, R, P, &mQ ) );
MPI_CHK( ecp_normalize( grp, R ) );
MPI_CHK( ecp_normalize_jac( grp, R ) );
cleanup:
ecp_point_free( &mQ );
@ -972,7 +972,7 @@ cleanup:
/*
* Randomize jacobian coordinates:
* (X, Y, Z) -> (l^2 X, l^3 Y, l Z) for random l
* This is sort of the reverse operation of ecp_normalize().
* This is sort of the reverse operation of ecp_normalize_jac().
*
* This countermeasure was first suggested in [2].
*/
@ -1115,7 +1115,7 @@ static int ecp_precompute_comb( const ecp_group *grp,
TT[k++] = cur;
}
ecp_normalize_many( grp, TT, k );
ecp_normalize_jac_many( grp, TT, k );
/*
* Compute the remaining ones using the minimal number of additions
@ -1132,7 +1132,7 @@ static int ecp_precompute_comb( const ecp_group *grp,
}
}
ecp_normalize_many( grp, TT, k );
ecp_normalize_jac_many( grp, TT, k );
/*
* Post-precessing: reclaim some memory by
@ -1175,7 +1175,7 @@ static int ecp_select_comb( const ecp_group *grp, ecp_point *R,
MPI_CHK( mpi_lset( &R->Z, 1 ) );
/* Safely invert result if i is "negative" */
MPI_CHK( ecp_safe_invert( grp, R, i >> 7 ) );
MPI_CHK( ecp_safe_invert_jac( grp, R, i >> 7 ) );
cleanup:
return( ret );
@ -1326,8 +1326,8 @@ int ecp_mul( ecp_group *grp, ecp_point *R,
/*
* Now get m * P from M * P and normalize it
*/
MPI_CHK( ecp_safe_invert( grp, R, ! m_is_odd ) );
MPI_CHK( ecp_normalize( grp, R ) );
MPI_CHK( ecp_safe_invert_jac( grp, R, ! m_is_odd ) );
MPI_CHK( ecp_normalize_jac( grp, R ) );
cleanup: