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Rename mbedtls_mpi_msb to mbedtls_mpi_bitlen

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This commit is contained in:
Manuel Pégourié-Gonnard 2015-06-18 16:47:17 +02:00
parent 097c7bb05b
commit c0696c216b
17 changed files with 59 additions and 59 deletions
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2
include/mbedtls/bignum.h
View File

@ -299,7 +299,7 @@ size_t mbedtls_mpi_lsb( const mbedtls_mpi *X );
*
* \param X MPI to use
*/
size_t mbedtls_mpi_msb( const mbedtls_mpi *X );
size_t mbedtls_mpi_bitlen( const mbedtls_mpi *X );
/**
* \brief Return the total size in bytes

2
include/mbedtls/compat-1.3.h
View File

@ -2149,7 +2149,7 @@
#define mpi_lset mbedtls_mpi_lset
#define mpi_mod_int mbedtls_mpi_mod_int
#define mpi_mod_mpi mbedtls_mpi_mod_mpi
#define mpi_msb mbedtls_mpi_msb
#define mpi_msb mbedtls_mpi_bitlen
#define mpi_mul_int mbedtls_mpi_mul_int
#define mpi_mul_mpi mbedtls_mpi_mul_mpi
#define mpi_read_binary mbedtls_mpi_read_binary

26
library/bignum.c
View File

@ -331,7 +331,7 @@ cleanup:
}
/*
* Return the number of least significant bits
* Return the number of less significant zero-bits
*/
size_t mbedtls_mpi_lsb( const mbedtls_mpi *X )
{
@ -346,9 +346,9 @@ size_t mbedtls_mpi_lsb( const mbedtls_mpi *X )
}
/*
* Return the number of most significant bits
* Return the number of bits
*/
size_t mbedtls_mpi_msb( const mbedtls_mpi *X )
size_t mbedtls_mpi_bitlen( const mbedtls_mpi *X )
{
size_t i, j;
@ -371,7 +371,7 @@ size_t mbedtls_mpi_msb( const mbedtls_mpi *X )
*/
size_t mbedtls_mpi_size( const mbedtls_mpi *X )
{
return( ( mbedtls_mpi_msb( X ) + 7 ) >> 3 );
return( ( mbedtls_mpi_bitlen( X ) + 7 ) >> 3 );
}
/*
@ -501,7 +501,7 @@ int mbedtls_mpi_write_string( const mbedtls_mpi *X, int radix,
if( radix < 2 || radix > 16 )
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
n = mbedtls_mpi_msb( X );
n = mbedtls_mpi_bitlen( X );
if( radix >= 4 ) n >>= 1;
if( radix >= 16 ) n >>= 1;
n += 3;
@ -686,7 +686,7 @@ int mbedtls_mpi_shift_l( mbedtls_mpi *X, size_t count )
v0 = count / (biL );
t1 = count & (biL - 1);
i = mbedtls_mpi_msb( X ) + count;
i = mbedtls_mpi_bitlen( X ) + count;
if( X->n * biL < i )
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, BITS_TO_LIMBS( i ) ) );
@ -1212,7 +1212,7 @@ int mbedtls_mpi_div_mpi( mbedtls_mpi *Q, mbedtls_mpi *R, const mbedtls_mpi *A, c
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( &T1, 2 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( &T2, 3 ) );
k = mbedtls_mpi_msb( &Y ) % biL;
k = mbedtls_mpi_bitlen( &Y ) % biL;
if( k < biL - 1 )
{
k = biL - 1 - k;
@ -1537,7 +1537,7 @@ int mbedtls_mpi_exp_mod( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi
mbedtls_mpi_init( &Apos );
memset( W, 0, sizeof( W ) );
i = mbedtls_mpi_msb( E );
i = mbedtls_mpi_bitlen( E );
wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 :
( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1;
@ -1972,7 +1972,7 @@ static int mpi_miller_rabin( const mbedtls_mpi *X,
MBEDTLS_MPI_CHK( mbedtls_mpi_copy( &R, &W ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &R, s ) );
i = mbedtls_mpi_msb( X );
i = mbedtls_mpi_bitlen( X );
/*
* HAC, table 4.4
*/
@ -1989,7 +1989,7 @@ static int mpi_miller_rabin( const mbedtls_mpi *X,
if( mbedtls_mpi_cmp_mpi( &A, &W ) >= 0 )
{
j = mbedtls_mpi_msb( &A ) - mbedtls_mpi_msb( &W );
j = mbedtls_mpi_bitlen( &A ) - mbedtls_mpi_bitlen( &W );
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &A, j + 1 ) );
}
A.p[0] |= 3;
@ -1998,8 +1998,8 @@ static int mpi_miller_rabin( const mbedtls_mpi *X,
do {
MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( &A, X->n * ciL, f_rng, p_rng ) );
j = mbedtls_mpi_msb( &A );
k = mbedtls_mpi_msb( &W );
j = mbedtls_mpi_bitlen( &A );
k = mbedtls_mpi_bitlen( &W );
if (j > k) {
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &A, j - k ) );
}
@ -2106,7 +2106,7 @@ int mbedtls_mpi_gen_prime( mbedtls_mpi *X, size_t nbits, int dh_flag,
MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( X, n * ciL, f_rng, p_rng ) );
k = mbedtls_mpi_msb( X );
k = mbedtls_mpi_bitlen( X );
if( k > nbits ) MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( X, k - nbits + 1 ) );
mbedtls_mpi_set_bit( X, nbits-1, 1 );

8
library/ecp.c
View File

@ -660,7 +660,7 @@ static int ecp_modp( mbedtls_mpi *N, const mbedtls_ecp_group *grp )
/* N->s < 0 is a much faster test, which fails only if N is 0 */
if( ( N->s < 0 && mbedtls_mpi_cmp_int( N, 0 ) != 0 ) ||
mbedtls_mpi_msb( N ) > 2 * grp->pbits )
mbedtls_mpi_bitlen( N ) > 2 * grp->pbits )
{
return( MBEDTLS_ERR_ECP_BAD_INPUT_DATA );
}
@ -1568,7 +1568,7 @@ static int ecp_mul_mxz( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
MBEDTLS_MPI_CHK( ecp_randomize_mxz( grp, &RP, f_rng, p_rng ) );
/* Loop invariant: R = result so far, RP = R + P */
i = mbedtls_mpi_msb( m ); /* one past the (zero-based) most significant bit */
i = mbedtls_mpi_bitlen( m ); /* one past the (zero-based) most significant bit */
while( i-- > 0 )
{
b = mbedtls_mpi_get_bit( m, i );
@ -1747,7 +1747,7 @@ int mbedtls_ecp_check_privkey( const mbedtls_ecp_group *grp, const mbedtls_mpi *
if( mbedtls_mpi_get_bit( d, 0 ) != 0 ||
mbedtls_mpi_get_bit( d, 1 ) != 0 ||
mbedtls_mpi_get_bit( d, 2 ) != 0 ||
mbedtls_mpi_msb( d ) - 1 != grp->nbits ) /* mbedtls_mpi_msb is one-based! */
mbedtls_mpi_bitlen( d ) - 1 != grp->nbits ) /* mbedtls_mpi_bitlen is one-based! */
return( MBEDTLS_ERR_ECP_INVALID_KEY );
else
return( 0 );
@ -1787,7 +1787,7 @@ int mbedtls_ecp_gen_keypair( mbedtls_ecp_group *grp, mbedtls_mpi *d, mbedtls_ecp
MBEDTLS_MPI_CHK( mbedtls_mpi_fill_random( d, n_size, f_rng, p_rng ) );
/* Make sure the most significant bit is nbits */
b = mbedtls_mpi_msb( d ) - 1; /* mbedtls_mpi_msb is one-based */
b = mbedtls_mpi_bitlen( d ) - 1; /* mbedtls_mpi_bitlen is one-based */
if( b > grp->nbits )
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( d, b - grp->nbits ) );
else

6
library/ecp_curves.c
View File

@ -594,8 +594,8 @@ static int ecp_group_load( mbedtls_ecp_group *grp,
ecp_mpi_load( &grp->G.Y, gy, gylen );
ecp_mpi_set1( &grp->G.Z );
grp->pbits = mbedtls_mpi_msb( &grp->P );
grp->nbits = mbedtls_mpi_msb( &grp->N );
grp->pbits = mbedtls_mpi_bitlen( &grp->P );
grp->nbits = mbedtls_mpi_bitlen( &grp->N );
grp->h = 1;
@ -670,7 +670,7 @@ static int ecp_use_curve25519( mbedtls_ecp_group *grp )
MBEDTLS_MPI_CHK( mbedtls_mpi_lset( &grp->P, 1 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l( &grp->P, 255 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &grp->P, &grp->P, 19 ) );
grp->pbits = mbedtls_mpi_msb( &grp->P );
grp->pbits = mbedtls_mpi_bitlen( &grp->P );
/* Y intentionaly not set, since we use x/z coordinates.
* This is used as a marker to identify Montgomery curves! */

4
library/pkparse.c
View File

@ -274,7 +274,7 @@ static int pk_group_from_specified( const mbedtls_asn1_buf *params, mbedtls_ecp_
if( ( ret = mbedtls_asn1_get_mpi( &p, end_field, &grp->P ) ) != 0 )
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
grp->pbits = mbedtls_mpi_msb( &grp->P );
grp->pbits = mbedtls_mpi_bitlen( &grp->P );
if( p != end_field )
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
@ -355,7 +355,7 @@ static int pk_group_from_specified( const mbedtls_asn1_buf *params, mbedtls_ecp_
if( ( ret = mbedtls_asn1_get_mpi( &p, end, &grp->N ) ) != 0 )
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
grp->nbits = mbedtls_mpi_msb( &grp->N );
grp->nbits = mbedtls_mpi_bitlen( &grp->N );
/*
* Allow optional elements by purposefully not enforcing p == end here.

16
library/rsa.c
View File

@ -118,7 +118,7 @@ int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
continue;
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( &ctx->N, &ctx->P, &ctx->Q ) );
if( mbedtls_mpi_msb( &ctx->N ) != nbits )
if( mbedtls_mpi_bitlen( &ctx->N ) != nbits )
continue;
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( &P1, &ctx->P, 1 ) );
@ -139,7 +139,7 @@ int mbedtls_rsa_gen_key( mbedtls_rsa_context *ctx,
MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( &ctx->DQ, &ctx->D, &Q1 ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( &ctx->QP, &ctx->Q, &ctx->P ) );
ctx->len = ( mbedtls_mpi_msb( &ctx->N ) + 7 ) >> 3;
ctx->len = ( mbedtls_mpi_bitlen( &ctx->N ) + 7 ) >> 3;
cleanup:
@ -168,11 +168,11 @@ int mbedtls_rsa_check_pubkey( const mbedtls_rsa_context *ctx )
( ctx->E.p[0] & 1 ) == 0 )
return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
if( mbedtls_mpi_msb( &ctx->N ) < 128 ||
mbedtls_mpi_msb( &ctx->N ) > MBEDTLS_MPI_MAX_BITS )
if( mbedtls_mpi_bitlen( &ctx->N ) < 128 ||
mbedtls_mpi_bitlen( &ctx->N ) > MBEDTLS_MPI_MAX_BITS )
return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
if( mbedtls_mpi_msb( &ctx->E ) < 2 ||
if( mbedtls_mpi_bitlen( &ctx->E ) < 2 ||
mbedtls_mpi_cmp_mpi( &ctx->E, &ctx->N ) >= 0 )
return( MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
@ -980,7 +980,7 @@ int mbedtls_rsa_rsassa_pss_sign( mbedtls_rsa_context *ctx,
// Note: EMSA-PSS encoding is over the length of N - 1 bits
//
msb = mbedtls_mpi_msb( &ctx->N ) - 1;
msb = mbedtls_mpi_bitlen( &ctx->N ) - 1;
p += olen - hlen * 2 - 2;
*p++ = 0x01;
memcpy( p, salt, slen );
@ -1008,7 +1008,7 @@ int mbedtls_rsa_rsassa_pss_sign( mbedtls_rsa_context *ctx,
mbedtls_md_free( &md_ctx );
msb = mbedtls_mpi_msb( &ctx->N ) - 1;
msb = mbedtls_mpi_bitlen( &ctx->N ) - 1;
sig[0] &= 0xFF >> ( olen * 8 - msb );
p += hlen;
@ -1206,7 +1206,7 @@ int mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_rsa_context *ctx,
// Note: EMSA-PSS verification is over the length of N - 1 bits
//
msb = mbedtls_mpi_msb( &ctx->N ) - 1;
msb = mbedtls_mpi_bitlen( &ctx->N ) - 1;
// Compensate for boundary condition when applying mask
//

2
programs/pkey/dh_client.c
View File

@ -127,7 +127,7 @@ int main( void )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
programs/pkey/dh_server.c
View File

@ -134,7 +134,7 @@ int main( void )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
programs/pkey/rsa_decrypt.c
View File

@ -120,7 +120,7 @@ int main( int argc, char *argv[] )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
programs/pkey/rsa_encrypt.c
View File

@ -114,7 +114,7 @@ int main( int argc, char *argv[] )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
programs/pkey/rsa_sign.c
View File

@ -100,7 +100,7 @@ int main( int argc, char *argv[] )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
programs/pkey/rsa_verify.c
View File

@ -91,7 +91,7 @@ int main( int argc, char *argv[] )
goto exit;
}
rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
rsa.len = ( mbedtls_mpi_bitlen( &rsa.N ) + 7 ) >> 3;
fclose( f );

2
scripts/data_files/rename-1.3-2.0.txt
View File

@ -1684,7 +1684,7 @@ mpi_lsb mbedtls_mpi_lsb
mpi_lset mbedtls_mpi_lset
mpi_mod_int mbedtls_mpi_mod_int
mpi_mod_mpi mbedtls_mpi_mod_mpi
mpi_msb mbedtls_mpi_msb
mpi_msb mbedtls_mpi_bitlen
mpi_mul_int mbedtls_mpi_mul_int
mpi_mul_mpi mbedtls_mpi_mul_mpi
mpi_read_binary mbedtls_mpi_read_binary

4
tests/suites/test_suite_ecp.function
View File

@ -175,7 +175,7 @@ void ecp_fast_mod( int id, char *N_str )
TEST_ASSERT( mbedtls_mpi_mod_mpi( &R, &N, &grp.P ) == 0 );
TEST_ASSERT( grp.modp( &N ) == 0 );
TEST_ASSERT( mbedtls_mpi_msb( &N ) <= grp.pbits + 3 );
TEST_ASSERT( mbedtls_mpi_bitlen( &N ) <= grp.pbits + 3 );
/*
* Use mod rather than addition/subtraction in case previous test fails
@ -371,7 +371,7 @@ void mbedtls_ecp_tls_read_group( char *record, int result, int bits )
TEST_ASSERT( ret == result );
if( ret == 0)
{
TEST_ASSERT( mbedtls_mpi_msb( &grp.P ) == (size_t) bits );
TEST_ASSERT( mbedtls_mpi_bitlen( &grp.P ) == (size_t) bits );
TEST_ASSERT( *vbuf == 0x00 );
}

28
tests/suites/test_suite_mpi.data
View File

@ -85,26 +85,26 @@ mbedtls_mpi_lsb:16:"24":2
Base test mbedtls_mpi_lsb #4
mbedtls_mpi_lsb:16:"2000":13
Base test mbedtls_mpi_msb #1
mbedtls_mpi_msb:10:"56125680981752282334141896320372489490613963693556392520816017892111350604111697682705498319512049040516698827829292076808006940873974979584527073481012636016353913462376755556720019831187364993587901952757307830896531678727717924":764
Base test mbedtls_mpi_bitlen #1
mbedtls_mpi_bitlen:10:"56125680981752282334141896320372489490613963693556392520816017892111350604111697682705498319512049040516698827829292076808006940873974979584527073481012636016353913462376755556720019831187364993587901952757307830896531678727717924":764
Base test mbedtls_mpi_msb #2
mbedtls_mpi_msb:10:"24":5
Base test mbedtls_mpi_bitlen #2
mbedtls_mpi_bitlen:10:"24":5
Base test mbedtls_mpi_msb #3
mbedtls_mpi_msb:10:"1":1
Base test mbedtls_mpi_bitlen #3
mbedtls_mpi_bitlen:10:"1":1
Base test mbedtls_mpi_msb #4
mbedtls_mpi_msb:10:"15":4
Base test mbedtls_mpi_bitlen #4
mbedtls_mpi_bitlen:10:"15":4
Base test mbedtls_mpi_msb #5
mbedtls_mpi_msb:10:"16":5
Base test mbedtls_mpi_bitlen #5
mbedtls_mpi_bitlen:10:"16":5
Base test mbedtls_mpi_msb #6
mbedtls_mpi_msb:10:"10":4
Base test mbedtls_mpi_bitlen #6
mbedtls_mpi_bitlen:10:"10":4
Base test mbedtls_mpi_msb #7
mbedtls_mpi_msb:10:"0":0
Base test mbedtls_mpi_bitlen #7
mbedtls_mpi_bitlen:10:"0":0
Base test mbedtls_mpi_cmp_int #1
mbedtls_mpi_cmp_int:693:693:0

8
tests/suites/test_suite_mpi.function
View File

@ -18,7 +18,7 @@ void mpi_null( )
TEST_ASSERT( mbedtls_mpi_get_bit( &X, 42 ) == 0 );
TEST_ASSERT( mbedtls_mpi_lsb( &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_msb( &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_bitlen( &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_size( &X ) == 0 );
exit:
@ -217,13 +217,13 @@ exit:
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_msb( int radix_X, char *input_X, int nr_bits )
void mbedtls_mpi_bitlen( int radix_X, char *input_X, int nr_bits )
{
mbedtls_mpi X;
mbedtls_mpi_init( &X );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_msb( &X ) == (size_t) nr_bits );
TEST_ASSERT( mbedtls_mpi_bitlen( &X ) == (size_t) nr_bits );
exit:
mbedtls_mpi_free( &X );
@ -789,7 +789,7 @@ void mbedtls_mpi_gen_prime( int bits, int safe, int ref_ret )
if( ref_ret == 0 )
{
size_t actual_bits = mbedtls_mpi_msb( &X );
size_t actual_bits = mbedtls_mpi_bitlen( &X );
TEST_ASSERT( actual_bits >= (size_t) bits );
TEST_ASSERT( actual_bits <= (size_t) bits + 1 );