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Merge pull request #6095 from gabor-mezei-arm/6016_add_new_modulus_and_residue_structures

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Add the new modulus and the residue structures with low level I/O operations
This commit is contained in:
Janos Follath 2022-08-23 09:02:43 +01:00 committed by GitHub
commit 645ff5b8ff
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GPG key ID: 4AEE18F83AFDEB23
15 changed files with 1728 additions and 238 deletions
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3
include/mbedtls/mbedtls_config.h
View file

@ -2013,6 +2013,9 @@
* Enable the multi-precision integer library.
*
* Module: library/bignum.c
* library/bignum_core.c
* library/bignum_mod.c
* library/bignum_mod_raw.c
* Caller: library/dhm.c
* library/ecp.c
* library/ecdsa.c

3
library/CMakeLists.txt
View file

@ -18,6 +18,9 @@ set(src_crypto
asn1write.c
base64.c
bignum.c
bignum_core.c
bignum_mod.c
bignum_mod_raw.c
camellia.c
ccm.c
chacha20.c

3
library/Makefile
View file

@ -83,6 +83,9 @@ OBJS_CRYPTO= \
asn1write.o \
base64.o \
bignum.o \
bignum_core.o \
bignum_mod.o \
bignum_mod_raw.o \
camellia.o \
ccm.o \
chacha20.o \

235
library/bignum.c
View file

@ -39,6 +39,7 @@
#include "mbedtls/bignum.h"
#include "bignum_internal.h"
#include "bignum_core.h"
#include "bn_mul.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
@ -62,19 +63,8 @@
#define MPI_VALIDATE( cond ) \
MBEDTLS_INTERNAL_VALIDATE( cond )
#define ciL (sizeof(mbedtls_mpi_uint)) /* chars in limb */
#define biL (ciL << 3) /* bits in limb */
#define biH (ciL << 2) /* half limb size */
#define MPI_SIZE_T_MAX ( (size_t) -1 ) /* SIZE_T_MAX is not standard */
/*
* Convert between bits/chars and number of limbs
* Divide first in order to avoid potential overflows
*/
#define BITS_TO_LIMBS(i) ( (i) / biL + ( (i) % biL != 0 ) )
#define CHARS_TO_LIMBS(i) ( (i) / ciL + ( (i) % ciL != 0 ) )
/* Implementation that should never be optimized out by the compiler */
static void mbedtls_mpi_zeroize( mbedtls_mpi_uint *v, size_t n )
{
@ -303,10 +293,6 @@ int mbedtls_mpi_get_bit( const mbedtls_mpi *X, size_t pos )
return( ( X->p[pos / biL] >> ( pos % biL ) ) & 0x01 );
}
/* Get a specific byte, without range checks. */
#define GET_BYTE( X, i ) \
( ( ( X )->p[( i ) / ciL] >> ( ( ( i ) % ciL ) * 8 ) ) & 0xff )
/*
* Set a bit to a specific value of 0 or 1
*/
@ -352,41 +338,12 @@ size_t mbedtls_mpi_lsb( const mbedtls_mpi *X )
return( 0 );
}
/*
* Count leading zero bits in a given integer
*/
static size_t mbedtls_clz( const mbedtls_mpi_uint x )
{
size_t j;
mbedtls_mpi_uint mask = (mbedtls_mpi_uint) 1 << (biL - 1);
for( j = 0; j < biL; j++ )
{
if( x & mask ) break;
mask >>= 1;
}
return j;
}
/*
* Return the number of bits
*/
size_t mbedtls_mpi_bitlen( const mbedtls_mpi *X )
{
size_t i, j;
if( X->n == 0 )
return( 0 );
for( i = X->n - 1; i > 0; i-- )
if( X->p[i] != 0 )
break;
j = biL - mbedtls_clz( X->p[i] );
return( ( i * biL ) + j );
return( mbedtls_mpi_core_bitlen( X->p, X->n ) );
}
/*
@ -693,97 +650,6 @@ cleanup:
}
#endif /* MBEDTLS_FS_IO */
/* Convert a big-endian byte array aligned to the size of mbedtls_mpi_uint
* into the storage form used by mbedtls_mpi. */
static mbedtls_mpi_uint mpi_uint_bigendian_to_host_c( mbedtls_mpi_uint x )
{
uint8_t i;
unsigned char *x_ptr;
mbedtls_mpi_uint tmp = 0;
for( i = 0, x_ptr = (unsigned char*) &x; i < ciL; i++, x_ptr++ )
{
tmp <<= CHAR_BIT;
tmp |= (mbedtls_mpi_uint) *x_ptr;
}
return( tmp );
}
static mbedtls_mpi_uint mpi_uint_bigendian_to_host( mbedtls_mpi_uint x )
{
#if defined(__BYTE_ORDER__)
/* Nothing to do on bigendian systems. */
#if ( __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ )
return( x );
#endif /* __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ */
#if ( __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ )
/* For GCC and Clang, have builtins for byte swapping. */
#if defined(__GNUC__) && defined(__GNUC_PREREQ)
#if __GNUC_PREREQ(4,3)
#define have_bswap
#endif
#endif
#if defined(__clang__) && defined(__has_builtin)
#if __has_builtin(__builtin_bswap32) && \
__has_builtin(__builtin_bswap64)
#define have_bswap
#endif
#endif
#if defined(have_bswap)
/* The compiler is hopefully able to statically evaluate this! */
switch( sizeof(mbedtls_mpi_uint) )
{
case 4:
return( __builtin_bswap32(x) );
case 8:
return( __builtin_bswap64(x) );
}
#endif
#endif /* __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ */
#endif /* __BYTE_ORDER__ */
/* Fall back to C-based reordering if we don't know the byte order
* or we couldn't use a compiler-specific builtin. */
return( mpi_uint_bigendian_to_host_c( x ) );
}
static void mpi_bigendian_to_host( mbedtls_mpi_uint * const p, size_t limbs )
{
mbedtls_mpi_uint *cur_limb_left;
mbedtls_mpi_uint *cur_limb_right;
if( limbs == 0 )
return;
/*
* Traverse limbs and
* - adapt byte-order in each limb
* - swap the limbs themselves.
* For that, simultaneously traverse the limbs from left to right
* and from right to left, as long as the left index is not bigger
* than the right index (it's not a problem if limbs is odd and the
* indices coincide in the last iteration).
*/
for( cur_limb_left = p, cur_limb_right = p + ( limbs - 1 );
cur_limb_left <= cur_limb_right;
cur_limb_left++, cur_limb_right-- )
{
mbedtls_mpi_uint tmp;
/* Note that if cur_limb_left == cur_limb_right,
* this code effectively swaps the bytes only once. */
tmp = mpi_uint_bigendian_to_host( *cur_limb_left );
*cur_limb_left = mpi_uint_bigendian_to_host( *cur_limb_right );
*cur_limb_right = tmp;
}
}
/*
* Import X from unsigned binary data, little endian
*
@ -794,14 +660,12 @@ int mbedtls_mpi_read_binary_le( mbedtls_mpi *X,
const unsigned char *buf, size_t buflen )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t i;
size_t const limbs = CHARS_TO_LIMBS( buflen );
const size_t limbs = CHARS_TO_LIMBS( buflen );
/* Ensure that target MPI has exactly the necessary number of limbs */
MBEDTLS_MPI_CHK( mbedtls_mpi_resize_clear( X, limbs ) );
for( i = 0; i < buflen; i++ )
X->p[i / ciL] |= ((mbedtls_mpi_uint) buf[i]) << ((i % ciL) << 3);
MBEDTLS_MPI_CHK( mbedtls_mpi_core_read_le( X->p, X->n, buf, buflen ) );
cleanup:
@ -822,9 +686,7 @@ cleanup:
int mbedtls_mpi_read_binary( mbedtls_mpi *X, const unsigned char *buf, size_t buflen )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t const limbs = CHARS_TO_LIMBS( buflen );
size_t const overhead = ( limbs * ciL ) - buflen;
unsigned char *Xp;
const size_t limbs = CHARS_TO_LIMBS( buflen );
MPI_VALIDATE_RET( X != NULL );
MPI_VALIDATE_RET( buflen == 0 || buf != NULL );
@ -832,15 +694,7 @@ int mbedtls_mpi_read_binary( mbedtls_mpi *X, const unsigned char *buf, size_t bu
/* Ensure that target MPI has exactly the necessary number of limbs */
MBEDTLS_MPI_CHK( mbedtls_mpi_resize_clear( X, limbs ) );
/* Avoid calling `memcpy` with NULL source or destination argument,
* even if buflen is 0. */
if( buflen != 0 )
{
Xp = (unsigned char*) X->p;
memcpy( Xp + overhead, buf, buflen );
mpi_bigendian_to_host( X->p, limbs );
}
MBEDTLS_MPI_CHK( mbedtls_mpi_core_read_be( X->p, X->n, buf, buflen ) );
cleanup:
@ -858,37 +712,7 @@ cleanup:
int mbedtls_mpi_write_binary_le( const mbedtls_mpi *X,
unsigned char *buf, size_t buflen )
{
size_t stored_bytes = X->n * ciL;
size_t bytes_to_copy;
size_t i;
if( stored_bytes < buflen )
{
bytes_to_copy = stored_bytes;
}
else
{
bytes_to_copy = buflen;
/* The output buffer is smaller than the allocated size of X.
* However X may fit if its leading bytes are zero. */
for( i = bytes_to_copy; i < stored_bytes; i++ )
{
if( GET_BYTE( X, i ) != 0 )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
}
}
for( i = 0; i < bytes_to_copy; i++ )
buf[i] = GET_BYTE( X, i );
if( stored_bytes < buflen )
{
/* Write trailing 0 bytes */
memset( buf + stored_bytes, 0, buflen - stored_bytes );
}
return( 0 );
return( mbedtls_mpi_core_write_le( X->p, X->n, buf, buflen ) );
}
/*
@ -897,44 +721,7 @@ int mbedtls_mpi_write_binary_le( const mbedtls_mpi *X,
int mbedtls_mpi_write_binary( const mbedtls_mpi *X,
unsigned char *buf, size_t buflen )
{
size_t stored_bytes;
size_t bytes_to_copy;
unsigned char *p;
size_t i;
MPI_VALIDATE_RET( X != NULL );
MPI_VALIDATE_RET( buflen == 0 || buf != NULL );
stored_bytes = X->n * ciL;
if( stored_bytes < buflen )
{
/* There is enough space in the output buffer. Write initial
* null bytes and record the position at which to start
* writing the significant bytes. In this case, the execution
* trace of this function does not depend on the value of the
* number. */
bytes_to_copy = stored_bytes;
p = buf + buflen - stored_bytes;
memset( buf, 0, buflen - stored_bytes );
}
else
{
/* The output buffer is smaller than the allocated size of X.
* However X may fit if its leading bytes are zero. */
bytes_to_copy = buflen;
p = buf;
for( i = bytes_to_copy; i < stored_bytes; i++ )
{
if( GET_BYTE( X, i ) != 0 )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
}
}
for( i = 0; i < bytes_to_copy; i++ )
p[bytes_to_copy - i - 1] = GET_BYTE( X, i );
return( 0 );
return( mbedtls_mpi_core_write_be( X->p, X->n, buf, buflen ) );
}
/*
@ -1545,7 +1332,7 @@ static mbedtls_mpi_uint mbedtls_int_div_int( mbedtls_mpi_uint u1,
/*
* Normalize the divisor, d, and dividend, u0, u1
*/
s = mbedtls_clz( d );
s = mbedtls_mpi_core_clz( d );
d = d << s;
u1 = u1 << s;
@ -2334,7 +2121,7 @@ static int mpi_fill_random_internal(
memset( X->p, 0, overhead );
memset( (unsigned char *) X->p + limbs * ciL, 0, ( X->n - limbs ) * ciL );
MBEDTLS_MPI_CHK( f_rng( p_rng, (unsigned char *) X->p + overhead, n_bytes ) );
mpi_bigendian_to_host( X->p, limbs );
mbedtls_mpi_core_bigendian_to_host( X->p, limbs );
cleanup:
return( ret );
@ -2352,7 +2139,7 @@ int mbedtls_mpi_fill_random( mbedtls_mpi *X, size_t size,
void *p_rng )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t const limbs = CHARS_TO_LIMBS( size );
const size_t limbs = CHARS_TO_LIMBS( size );
MPI_VALIDATE_RET( X != NULL );
MPI_VALIDATE_RET( f_rng != NULL );

294
library/bignum_core.c Normal file
View file

@ -0,0 +1,294 @@
/*
* Core bignum functions
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include <string.h>
#include "mbedtls/error.h"
#include "mbedtls/platform_util.h"
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_printf printf
#define mbedtls_calloc calloc
#define mbedtls_free free
#endif
#include "bignum_core.h"
size_t mbedtls_mpi_core_clz( mbedtls_mpi_uint a )
{
size_t j;
mbedtls_mpi_uint mask = (mbedtls_mpi_uint) 1 << (biL - 1);
for( j = 0; j < biL; j++ )
{
if( a & mask ) break;
mask >>= 1;
}
return( j );
}
size_t mbedtls_mpi_core_bitlen( const mbedtls_mpi_uint *A, size_t A_limbs )
{
size_t i, j;
if( A_limbs == 0 )
return( 0 );
for( i = A_limbs - 1; i > 0; i-- )
if( A[i] != 0 )
break;
j = biL - mbedtls_mpi_core_clz( A[i] );
return( ( i * biL ) + j );
}
/* Convert a big-endian byte array aligned to the size of mbedtls_mpi_uint
* into the storage form used by mbedtls_mpi. */
static mbedtls_mpi_uint mpi_bigendian_to_host_c( mbedtls_mpi_uint a )
{
uint8_t i;
unsigned char *a_ptr;
mbedtls_mpi_uint tmp = 0;
for( i = 0, a_ptr = (unsigned char *) &a; i < ciL; i++, a_ptr++ )
{
tmp <<= CHAR_BIT;
tmp |= (mbedtls_mpi_uint) *a_ptr;
}
return( tmp );
}
static mbedtls_mpi_uint mpi_bigendian_to_host( mbedtls_mpi_uint a )
{
#if defined(__BYTE_ORDER__)
/* Nothing to do on bigendian systems. */
#if ( __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ )
return( a );
#endif /* __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ */
#if ( __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ )
/* For GCC and Clang, have builtins for byte swapping. */
#if defined(__GNUC__) && defined(__GNUC_PREREQ)
#if __GNUC_PREREQ(4,3)
#define have_bswap
#endif
#endif
#if defined(__clang__) && defined(__has_builtin)
#if __has_builtin(__builtin_bswap32) && \
__has_builtin(__builtin_bswap64)
#define have_bswap
#endif
#endif
#if defined(have_bswap)
/* The compiler is hopefully able to statically evaluate this! */
switch( sizeof(mbedtls_mpi_uint) )
{
case 4:
return( __builtin_bswap32(a) );
case 8:
return( __builtin_bswap64(a) );
}
#endif
#endif /* __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ */
#endif /* __BYTE_ORDER__ */
/* Fall back to C-based reordering if we don't know the byte order
* or we couldn't use a compiler-specific builtin. */
return( mpi_bigendian_to_host_c( a ) );
}
void mbedtls_mpi_core_bigendian_to_host( mbedtls_mpi_uint *A,
size_t A_limbs )
{
mbedtls_mpi_uint *cur_limb_left;
mbedtls_mpi_uint *cur_limb_right;
if( A_limbs == 0 )
return;
/*
* Traverse limbs and
* - adapt byte-order in each limb
* - swap the limbs themselves.
* For that, simultaneously traverse the limbs from left to right
* and from right to left, as long as the left index is not bigger
* than the right index (it's not a problem if limbs is odd and the
* indices coincide in the last iteration).
*/
for( cur_limb_left = A, cur_limb_right = A + ( A_limbs - 1 );
cur_limb_left <= cur_limb_right;
cur_limb_left++, cur_limb_right-- )
{
mbedtls_mpi_uint tmp;
/* Note that if cur_limb_left == cur_limb_right,
* this code effectively swaps the bytes only once. */
tmp = mpi_bigendian_to_host( *cur_limb_left );
*cur_limb_left = mpi_bigendian_to_host( *cur_limb_right );
*cur_limb_right = tmp;
}
}
int mbedtls_mpi_core_read_le( mbedtls_mpi_uint *X,
size_t X_limbs,
const unsigned char *input,
size_t input_length )
{
const size_t limbs = CHARS_TO_LIMBS( input_length );
if( X_limbs < limbs )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
if( X != NULL )
{
memset( X, 0, X_limbs * ciL );
for( size_t i = 0; i < input_length; i++ )
{
size_t offset = ( ( i % ciL ) << 3 );
X[i / ciL] |= ( (mbedtls_mpi_uint) input[i] ) << offset;
}
}
return( 0 );
}
int mbedtls_mpi_core_read_be( mbedtls_mpi_uint *X,
size_t X_limbs,
const unsigned char *input,
size_t input_length )
{
const size_t limbs = CHARS_TO_LIMBS( input_length );
if( X_limbs < limbs )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
/* If X_limbs is 0, input_length must also be 0 (from previous test).
* Nothing to do. */
if( X_limbs == 0 )
return( 0 );
memset( X, 0, X_limbs * ciL );
/* memcpy() with (NULL, 0) is undefined behaviour */
if( input_length != 0 )
{
size_t overhead = ( X_limbs * ciL ) - input_length;
unsigned char *Xp = (unsigned char *) X;
memcpy( Xp + overhead, input, input_length );
}
mbedtls_mpi_core_bigendian_to_host( X, X_limbs );
return( 0 );
}
int mbedtls_mpi_core_write_le( const mbedtls_mpi_uint *A,
size_t A_limbs,
unsigned char *output,
size_t output_length )
{
size_t stored_bytes = A_limbs * ciL;
size_t bytes_to_copy;
if( stored_bytes < output_length )
{
bytes_to_copy = stored_bytes;
}
else
{
bytes_to_copy = output_length;
/* The output buffer is smaller than the allocated size of A.
* However A may fit if its leading bytes are zero. */
for( size_t i = bytes_to_copy; i < stored_bytes; i++ )
{
if( GET_BYTE( A, i ) != 0 )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
}
}
for( size_t i = 0; i < bytes_to_copy; i++ )
output[i] = GET_BYTE( A, i );
if( stored_bytes < output_length )
{
/* Write trailing 0 bytes */
memset( output + stored_bytes, 0, output_length - stored_bytes );
}
return( 0 );
}
int mbedtls_mpi_core_write_be( const mbedtls_mpi_uint *X,
size_t X_limbs,
unsigned char *output,
size_t output_length )
{
size_t stored_bytes;
size_t bytes_to_copy;
unsigned char *p;
stored_bytes = X_limbs * ciL;
if( stored_bytes < output_length )
{
/* There is enough space in the output buffer. Write initial
* null bytes and record the position at which to start
* writing the significant bytes. In this case, the execution
* trace of this function does not depend on the value of the
* number. */
bytes_to_copy = stored_bytes;
p = output + output_length - stored_bytes;
memset( output, 0, output_length - stored_bytes );
}
else
{
/* The output buffer is smaller than the allocated size of X.
* However X may fit if its leading bytes are zero. */
bytes_to_copy = output_length;
p = output;
for( size_t i = bytes_to_copy; i < stored_bytes; i++ )
{
if( GET_BYTE( X, i ) != 0 )
return( MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL );
}
}
for( size_t i = 0; i < bytes_to_copy; i++ )
p[bytes_to_copy - i - 1] = GET_BYTE( X, i );
return( 0 );
}
#endif /* MBEDTLS_BIGNUM_C */

158
library/bignum_core.h Normal file
View file

@ -0,0 +1,158 @@
/**
* Core bignum functions
*
* This interface should only be used by the legacy bignum module (bignum.h)
* and the modular bignum modules (bignum_mod.c, bignum_mod_raw.c). All other
* modules should use the high-level modular bignum interface (bignum_mod.h)
* or the legacy bignum interface (bignum.h).
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBEDTLS_BIGNUM_CORE_H
#define MBEDTLS_BIGNUM_CORE_H
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include "mbedtls/bignum.h"
#endif
/** Count leading zero bits in a given integer.
*
* \param a Integer to count leading zero bits.
*
* \return The number of leading zero bits in \p a.
*/
size_t mbedtls_mpi_core_clz( mbedtls_mpi_uint a );
/** Return the minimum number of bits required to represent the value held
* in the MPI.
*
* \note This function returns 0 if all the limbs of \p A are 0.
*
* \param[in] A The address of the MPI.
* \param A_limbs The number of limbs of \p A.
*
* \return The number of bits in \p A.
*/
size_t mbedtls_mpi_core_bitlen( const mbedtls_mpi_uint *A, size_t A_limbs );
/** Convert a big-endian byte array aligned to the size of mbedtls_mpi_uint
* into the storage form used by mbedtls_mpi.
*
* \param[in,out] A The address of the MPI.
* \param A_limbs The number of limbs of \p A.
*/
void mbedtls_mpi_core_bigendian_to_host( mbedtls_mpi_uint *A,
size_t A_limbs );
/** Import X from unsigned binary data, little-endian.
*
* The MPI needs to have enough limbs to store the full value (including any
* most significant zero bytes in the input).
*
* \param[out] X The address of the MPI.
* \param X_limbs The number of limbs of \p X.
* \param[in] input The input buffer to import from.
* \param input_length The length bytes of \p input.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p X isn't
* large enough to hold the value in \p input.
*/
int mbedtls_mpi_core_read_le( mbedtls_mpi_uint *X,
size_t X_limbs,
const unsigned char *input,
size_t input_length );
/** Import X from unsigned binary data, big-endian.
*
* The MPI needs to have enough limbs to store the full value (including any
* most significant zero bytes in the input).
*
* \param[out] X The address of the MPI.
* May only be #NULL if \X_limbs is 0 and \p input_length
* is 0.
* \param X_limbs The number of limbs of \p X.
* \param[in] input The input buffer to import from.
* May only be #NULL if \p input_length is 0.
* \param input_length The length in bytes of \p input.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p X isn't
* large enough to hold the value in \p input.
*/
int mbedtls_mpi_core_read_be( mbedtls_mpi_uint *X,
size_t X_limbs,
const unsigned char *input,
size_t input_length );
/** Export A into unsigned binary data, little-endian.
*
* \note If \p output is shorter than \p A the export is still successful if the
* value held in \p A fits in the buffer (that is, if enough of the most
* significant bytes of \p A are 0).
*
* \param[in] A The address of the MPI.
* \param A_limbs The number of limbs of \p A.
* \param[out] output The output buffer to export to.
* \param output_length The length in bytes of \p output.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p output isn't
* large enough to hold the value of \p A.
*/
int mbedtls_mpi_core_write_le( const mbedtls_mpi_uint *A,
size_t A_limbs,
unsigned char *output,
size_t output_length );
/** Export A into unsigned binary data, big-endian.
*
* \note If \p output is shorter than \p A the export is still successful if the
* value held in \p A fits in the buffer (that is, if enough of the most
* significant bytes of \p A are 0).
*
* \param[in] A The address of the MPI.
* \param A_limbs The number of limbs of \p A.
* \param[out] output The output buffer to export to.
* \param output_length The length in bytes of \p output.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p output isn't
* large enough to hold the value of \p A.
*/
int mbedtls_mpi_core_write_be( const mbedtls_mpi_uint *A,
size_t A_limbs,
unsigned char *output,
size_t output_length );
#define ciL ( sizeof(mbedtls_mpi_uint) ) /* chars in limb */
#define biL ( ciL << 3 ) /* bits in limb */
#define biH ( ciL << 2 ) /* half limb size */
/*
* Convert between bits/chars and number of limbs
* Divide first in order to avoid potential overflows
*/
#define BITS_TO_LIMBS(i) ( (i) / biL + ( (i) % biL != 0 ) )
#define CHARS_TO_LIMBS(i) ( (i) / ciL + ( (i) % ciL != 0 ) )
/* Get a specific byte, without range checks. */
#define GET_BYTE( X, i ) \
( ( (X)[(i) / ciL] >> ( ( (i) % ciL ) * 8 ) ) & 0xff )
#endif /* MBEDTLS_BIGNUM_CORE_H */

152
library/bignum_mod.c Normal file
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@ -0,0 +1,152 @@
/**
* Modular bignum functions
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include <string.h>
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
#include "mbedtls/bignum.h"
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_printf printf
#define mbedtls_calloc calloc
#define mbedtls_free free
#endif
#include "bignum_core.h"
#include "bignum_mod.h"
#include "bignum_mod_raw.h"
#include "constant_time_internal.h"
int mbedtls_mpi_mod_residue_setup( mbedtls_mpi_mod_residue *r,
const mbedtls_mpi_mod_modulus *m,
mbedtls_mpi_uint *p,
size_t p_limbs )
{
if( p_limbs < m->limbs || !mbedtls_mpi_core_lt_ct( m->p, p, p_limbs ) )
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
r->limbs = m->limbs;
r->p = p;
return( 0 );
}
void mbedtls_mpi_mod_residue_release( mbedtls_mpi_mod_residue *r )
{
if ( r == NULL )
return;
r->limbs = 0;
r->p = NULL;
}
void mbedtls_mpi_mod_modulus_init( mbedtls_mpi_mod_modulus *m )
{
if ( m == NULL )
return;
m->p = NULL;
m->limbs = 0;
m->bits = 0;
m->ext_rep = MBEDTLS_MPI_MOD_EXT_REP_INVALID;
m->int_rep = MBEDTLS_MPI_MOD_REP_INVALID;
}
void mbedtls_mpi_mod_modulus_free( mbedtls_mpi_mod_modulus *m )
{
if ( m == NULL )
return;
switch( m->int_rep )
{
case MBEDTLS_MPI_MOD_REP_MONTGOMERY:
mbedtls_free( m->rep.mont );
break;
case MBEDTLS_MPI_MOD_REP_OPT_RED:
mbedtls_free( m->rep.ored );
break;
case MBEDTLS_MPI_MOD_REP_INVALID:
break;
}
m->p = NULL;
m->limbs = 0;
m->bits = 0;
m->ext_rep = MBEDTLS_MPI_MOD_EXT_REP_INVALID;
m->int_rep = MBEDTLS_MPI_MOD_REP_INVALID;
}
int mbedtls_mpi_mod_modulus_setup( mbedtls_mpi_mod_modulus *m,
const mbedtls_mpi_uint *p,
size_t p_limbs,
mbedtls_mpi_mod_ext_rep ext_rep,
mbedtls_mpi_mod_rep_selector int_rep )
{
int ret = 0;
m->p = p;
m->limbs = p_limbs;
m->bits = mbedtls_mpi_core_bitlen( p, p_limbs );
switch( ext_rep )
{
case MBEDTLS_MPI_MOD_EXT_REP_LE:
case MBEDTLS_MPI_MOD_EXT_REP_BE:
m->ext_rep = ext_rep;
break;
default:
ret = MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
goto exit;
}
switch( int_rep )
{
case MBEDTLS_MPI_MOD_REP_MONTGOMERY:
m->int_rep = int_rep;
m->rep.mont = NULL;
break;
case MBEDTLS_MPI_MOD_REP_OPT_RED:
m->int_rep = int_rep;
m->rep.ored = NULL;
break;
default:
ret = MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
goto exit;
}
exit:
if( ret != 0 )
{
mbedtls_mpi_mod_modulus_free( m );
}
return( ret );
}
#endif /* MBEDTLS_BIGNUM_C */

143
library/bignum_mod.h Normal file
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@ -0,0 +1,143 @@
/**
* Modular bignum functions
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBEDTLS_BIGNUM_MOD_H
#define MBEDTLS_BIGNUM_MOD_H
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include "mbedtls/bignum.h"
#endif
/* Skip 1 as it is slightly easier to accidentally pass to functions. */
typedef enum
{
MBEDTLS_MPI_MOD_REP_INVALID = 0,
MBEDTLS_MPI_MOD_REP_MONTGOMERY = 2,
MBEDTLS_MPI_MOD_REP_OPT_RED
} mbedtls_mpi_mod_rep_selector;
/* Make mbedtls_mpi_mod_rep_selector and mbedtls_mpi_mod_ext_rep disjoint to
* make it easier to catch when they are accidentally swapped. */
typedef enum
{
MBEDTLS_MPI_MOD_EXT_REP_INVALID = 0,
MBEDTLS_MPI_MOD_EXT_REP_LE = 8,
MBEDTLS_MPI_MOD_EXT_REP_BE
} mbedtls_mpi_mod_ext_rep;
typedef struct
{
mbedtls_mpi_uint *p;
size_t limbs;
} mbedtls_mpi_mod_residue;
typedef void *mbedtls_mpi_mont_struct;
typedef void *mbedtls_mpi_opt_red_struct;
typedef struct {
const mbedtls_mpi_uint *p;
size_t limbs; // number of limbs
size_t bits; // bitlen of p
mbedtls_mpi_mod_ext_rep ext_rep; // signals external representation (eg. byte order)
mbedtls_mpi_mod_rep_selector int_rep; // selector to signal the active member of the union
union rep
{
mbedtls_mpi_mont_struct mont;
mbedtls_mpi_opt_red_struct ored;
} rep;
} mbedtls_mpi_mod_modulus;
/** Setup a residue structure.
*
* \param[out] r The address of residue to setup. The size is determined by
* \p m.
* (In particular, it must have at least as many limbs as the
* modulus \p m.)
* \param[in] m The address of the modulus related to \p r.
* \param[in] p The address of the limb array storing the value of \p r.
* The memory pointed to by \p p will be used by \p r and must
* not be modified in any way until after
* mbedtls_mpi_mod_residue_release() is called.
* \param p_limbs The number of limbs of \p p.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if \p p_limbs is less than the
* limbs in \p m or if \p p is not less than \p m.
*/
int mbedtls_mpi_mod_residue_setup( mbedtls_mpi_mod_residue *r,
const mbedtls_mpi_mod_modulus *m,
mbedtls_mpi_uint *p,
size_t p_limbs );
/** Unbind elements of a residue structure.
*
* This function removes the reference to the limb array that was passed to
* mbedtls_mpi_mod_residue_setup() to make it safe to free or use again.
*
* This function invalidates \p r and it must not be used until after
* mbedtls_mpi_mod_residue_setup() is called on it again.
*
* \param[out] r The address of residue to release.
*/
void mbedtls_mpi_mod_residue_release( mbedtls_mpi_mod_residue *r );
/** Initialize a modulus structure.
*
* \param[out] m The address of the modulus structure to initialize.
*/
void mbedtls_mpi_mod_modulus_init( mbedtls_mpi_mod_modulus *m );
/** Setup a modulus structure.
*
* \param[out] m The address of the modulus structure to populate.
* \param[in] p The address of the limb array storing the value of \p m.
* The memory pointed to by \p p will be used by \p m and must
* not be modified in any way until after
* mbedtls_mpi_mod_modulus_free() is called.
* \param p_limbs The number of limbs of \p p.
* \param ext_rep The external representation to be used for residues
* associated with \p m (see #mbedtls_mpi_mod_ext_rep).
* \param int_rep The internal representation to be used for residues
* associated with \p m (see #mbedtls_mpi_mod_rep_selector).
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if \p ext_rep or \p int_rep is
* invalid.
*/
int mbedtls_mpi_mod_modulus_setup( mbedtls_mpi_mod_modulus *m,
const mbedtls_mpi_uint *p,
size_t p_limbs,
mbedtls_mpi_mod_ext_rep ext_rep,
mbedtls_mpi_mod_rep_selector int_rep );
/** Free elements of a modulus structure.
*
* This function frees any memory allocated by mbedtls_mpi_mod_modulus_setup().
*
* \warning This function does not free the limb array passed to
* mbedtls_mpi_mod_modulus_setup() only removes the reference to it,
* making it safe to free or to use it again.
*
* \param[in,out] m The address of the modulus structure to free.
*/
void mbedtls_mpi_mod_modulus_free( mbedtls_mpi_mod_modulus *m );
#endif /* MBEDTLS_BIGNUM_MOD_H */

97
library/bignum_mod_raw.c Normal file
View file

@ -0,0 +1,97 @@
/*
* Low-level modular bignum functions
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include <string.h>
#include "mbedtls/error.h"
#include "mbedtls/platform_util.h"
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#include <stdlib.h>
#define mbedtls_printf printf
#define mbedtls_calloc calloc
#define mbedtls_free free
#endif
#include "bignum_core.h"
#include "bignum_mod_raw.h"
#include "bignum_mod.h"
#include "constant_time_internal.h"
int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,
const mbedtls_mpi_mod_modulus *m,
const unsigned char *input,
size_t input_length )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
switch( m->ext_rep )
{
case MBEDTLS_MPI_MOD_EXT_REP_LE:
ret = mbedtls_mpi_core_read_le( X, m->limbs,
input, input_length );
break;
case MBEDTLS_MPI_MOD_EXT_REP_BE:
ret = mbedtls_mpi_core_read_be( X, m->limbs,
input, input_length );
break;
default:
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
}
if( ret != 0 )
goto cleanup;
if( !mbedtls_mpi_core_lt_ct( X, m->p, m->limbs ) )
{
ret = MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
goto cleanup;
}
cleanup:
return( ret );
}
int mbedtls_mpi_mod_raw_write( const mbedtls_mpi_uint *A,
const mbedtls_mpi_mod_modulus *m,
unsigned char *output,
size_t output_length )
{
switch( m->ext_rep )
{
case MBEDTLS_MPI_MOD_EXT_REP_LE:
return( mbedtls_mpi_core_write_le( A, m->limbs,
output, output_length ) );
case MBEDTLS_MPI_MOD_EXT_REP_BE:
return( mbedtls_mpi_core_write_be( A, m->limbs,
output, output_length ) );
default:
return( MBEDTLS_ERR_MPI_BAD_INPUT_DATA );
}
}
#endif /* MBEDTLS_BIGNUM_C */

79
library/bignum_mod_raw.h Normal file
View file

@ -0,0 +1,79 @@
/**
* Low-level modular bignum functions
*
* This interface should only be used by the higher-level modular bignum
* module (bignum_mod.c) and the ECP module (ecp.c, ecp_curves.c). All other
* modules should use the high-level modular bignum interface (bignum_mod.h)
* or the legacy bignum interface (bignum.h).
*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBEDTLS_BIGNUM_MOD_RAW_H
#define MBEDTLS_BIGNUM_MOD_RAW_H
#include "common.h"
#if defined(MBEDTLS_BIGNUM_C)
#include "mbedtls/bignum.h"
#endif
#include "bignum_mod.h"
/** Import X from unsigned binary data.
*
* The MPI needs to have enough limbs to store the full value (including any
* most significant zero bytes in the input).
*
* \param[out] X The address of the MPI. The size is determined by \p m.
* (In particular, it must have at least as many limbs as
* the modulus \p m.)
* \param[in] m The address of the modulus related to \p X.
* \param[in] input The input buffer to import from.
* \param input_length The length in bytes of \p input.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p X isn't
* large enough to hold the value in \p input.
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if the external representation
* of \p m is invalid or \p X is not less than \p m.
*/
int mbedtls_mpi_mod_raw_read( mbedtls_mpi_uint *X,
const mbedtls_mpi_mod_modulus *m,
const unsigned char *input,
size_t input_length );
/** Export A into unsigned binary data.
*
* \param[in] A The address of the MPI. The size is determined by \p m.
* (In particular, it must have at least as many limbs as
* the modulus \p m.)
* \param[in] m The address of the modulus related to \p A.
* \param[out] output The output buffer to export to.
* \param output_length The length in bytes of \p output.
*
* \return \c 0 if successful.
* \return #MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL if \p output isn't
* large enough to hold the value of \p A.
* \return #MBEDTLS_ERR_MPI_BAD_INPUT_DATA if the external representation
* of \p m is invalid.
*/
int mbedtls_mpi_mod_raw_write( const mbedtls_mpi_uint *A,
const mbedtls_mpi_mod_modulus *m,
unsigned char *output,
size_t output_length );
#endif /* MBEDTLS_BIGNUM_MOD_RAW_H */

44
library/constant_time.c
View file

@ -741,6 +741,50 @@ cleanup:
return( ret );
}
/*
* Compare unsigned values in constant time
*/
unsigned mbedtls_mpi_core_lt_ct( const mbedtls_mpi_uint *A,
const mbedtls_mpi_uint *B,
size_t limbs )
{
unsigned ret, cond, done;
/* The value of any of these variables is either 0 or 1 for the rest of
* their scope. */
ret = cond = done = 0;
for( size_t i = limbs; i > 0; i-- )
{
/*
* If B[i - 1] < A[i - 1] then A < B is false and the result must
* remain 0.
*
* Again even if we can make a decision, we just mark the result and
* the fact that we are done and continue looping.
*/
cond = mbedtls_ct_mpi_uint_lt( B[i - 1], A[i - 1] );
done |= cond;
/*
* If A[i - 1] < B[i - 1] then A < B is true.
*
* Again even if we can make a decision, we just mark the result and
* the fact that we are done and continue looping.
*/
cond = mbedtls_ct_mpi_uint_lt( A[i - 1], B[i - 1] );
ret |= cond & ( 1 - done );
done |= cond;
}
/*
* If all the limbs were equal, then the numbers are equal, A < B is false
* and leaving the result 0 is correct.
*/
return( ret );
}
/*
* Compare signed values in constant time
*/

17
library/constant_time_internal.h
View file

@ -129,6 +129,23 @@ unsigned mbedtls_ct_size_bool_eq( size_t x,
unsigned mbedtls_ct_mpi_uint_lt( const mbedtls_mpi_uint x,
const mbedtls_mpi_uint y );
/**
* \brief Check if one unsigned MPI is less than another in constant
* time.
*
* \param A The left-hand MPI. This must point to an array of limbs
* with the same allocated length as \p B.
* \param B The right-hand MPI. This must point to an array of limbs
* with the same allocated length as \p A.
* \param limbs The number of limbs in \p A and \p B.
*
* \return The result of the comparison:
* \c 1 if \p A is less than \p B.
* \c 0 if \p A is greater than or equal to \p B.
*/
unsigned mbedtls_mpi_core_lt_ct( const mbedtls_mpi_uint *A,
const mbedtls_mpi_uint *B,
size_t limbs);
#endif /* MBEDTLS_BIGNUM_C */
/** Choose between two integer values without branches.

41
tests/scripts/check_names.py
View file

@ -58,8 +58,9 @@ import logging
# Naming patterns to check against. These are defined outside the NameCheck
# class for ease of modification.
MACRO_PATTERN = r"^(MBEDTLS|PSA)_[0-9A-Z_]*[0-9A-Z]$"
CONSTANTS_PATTERN = MACRO_PATTERN
PUBLIC_MACRO_PATTERN = r"^(MBEDTLS|PSA)_[0-9A-Z_]*[0-9A-Z]$"
INTERNAL_MACRO_PATTERN = r"^[0-9A-Za-z_]*[0-9A-Z]$"
CONSTANTS_PATTERN = PUBLIC_MACRO_PATTERN
IDENTIFIER_PATTERN = r"^(mbedtls|psa)_[0-9a-z_]*[0-9a-z]$"
class Match(): # pylint: disable=too-few-public-methods
@ -249,14 +250,17 @@ class CodeParser():
.format(str(self.excluded_files))
)
all_macros = self.parse_macros([
all_macros = {"public": [], "internal": []}
all_macros["public"] = self.parse_macros([
"include/mbedtls/*.h",
"include/psa/*.h",
"library/*.h",
"tests/include/test/drivers/*.h",
"3rdparty/everest/include/everest/everest.h",
"3rdparty/everest/include/everest/x25519.h"
])
all_macros["internal"] = self.parse_macros([
"library/*.h",
"tests/include/test/drivers/*.h",
])
enum_consts = self.parse_enum_consts([
"include/mbedtls/*.h",
"library/*.h",
@ -284,20 +288,25 @@ class CodeParser():
# Remove identifier macros like mbedtls_printf or mbedtls_calloc
identifiers_justname = [x.name for x in identifiers]
actual_macros = []
for macro in all_macros:
if macro.name not in identifiers_justname:
actual_macros.append(macro)
actual_macros = {"public": [], "internal": []}
for scope in actual_macros:
for macro in all_macros[scope]:
if macro.name not in identifiers_justname:
actual_macros[scope].append(macro)
self.log.debug("Found:")
# Aligns the counts on the assumption that none exceeds 4 digits
self.log.debug(" {:4} Total Macros".format(len(all_macros)))
self.log.debug(" {:4} Non-identifier Macros".format(len(actual_macros)))
for scope in actual_macros:
self.log.debug(" {:4} Total {} Macros"
.format(len(all_macros[scope]), scope))
self.log.debug(" {:4} {} Non-identifier Macros"
.format(len(actual_macros[scope]), scope))
self.log.debug(" {:4} Enum Constants".format(len(enum_consts)))
self.log.debug(" {:4} Identifiers".format(len(identifiers)))
self.log.debug(" {:4} Exported Symbols".format(len(symbols)))
return {
"macros": actual_macros,
"public_macros": actual_macros["public"],
"internal_macros": actual_macros["internal"],
"enum_consts": enum_consts,
"identifiers": identifiers,
"symbols": symbols,
@ -741,7 +750,8 @@ class NameChecker():
problems += self.check_symbols_declared_in_header()
pattern_checks = [
("macros", MACRO_PATTERN),
("public_macros", PUBLIC_MACRO_PATTERN),
("internal_macros", INTERNAL_MACRO_PATTERN),
("enum_consts", CONSTANTS_PATTERN),
("identifiers", IDENTIFIER_PATTERN)
]
@ -825,7 +835,10 @@ class NameChecker():
all_caps_names = {
match.name
for match
in self.parse_result["macros"] + self.parse_result["enum_consts"]}
in self.parse_result["public_macros"] +
self.parse_result["internal_macros"] +
self.parse_result["enum_consts"]
}
typo_exclusion = re.compile(r"XXX|__|_$|^MBEDTLS_.*CONFIG_FILE$|"
r"MBEDTLS_TEST_LIBTESTDRIVER*")

389
tests/suites/test_suite_mpi.data
View file

@ -82,6 +82,308 @@ mpi_read_write_string:16:"":2:"0":4:0:0
Test mpi_write_string #10 (Negative hex with odd number of digits)
mpi_read_write_string:16:"-1":16:"":3:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_core_io functions with null pointers
mbedtls_mpi_core_io_null
Test mbedtls_mpi_core_io_be #1 (Buffer and limbs just fit, input limb-aligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:24:0:0
Test mbedtls_mpi_core_io_be #2 (Buffer and limbs just fit, input unaligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:24:0:0
Test mbedtls_mpi_core_io_be #3 (Buffer just fits, extra limbs, input limb-aligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:28:0:0
Test mbedtls_mpi_core_io_be #4 (Buffer just fits, extra limbs, input unaligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:28:0:0
Test mbedtls_mpi_core_io_be #5 (Extra limbs, buffer aligned to extra limbs, input limb-aligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":112:28:0:0
Test mbedtls_mpi_core_io_be #6 (Extra limbs, buffer aligned to extra limbs, input unaligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":112:28:0:0
Test mbedtls_mpi_core_io_be #7 (Buffer and limbs just fit, input limb-aligned with leading zeroes)
mbedtls_mpi_core_io_be:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":88:24:0:0
Test mbedtls_mpi_core_io_be #8 (Buffer and limbs just fit, input unaligned with leading zeroes)
mbedtls_mpi_core_io_be:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":86:24:0:0
Test mbedtls_mpi_core_io_be #9 (Buffer just fits, extra limbs, input limb-aligned with leading zeroes)
mbedtls_mpi_core_io_be:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":88:28:0:0
Test mbedtls_mpi_core_io_be #10 (Buffer just fits, extra limbs, input unaligned with leading zeroes)
mbedtls_mpi_core_io_be:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":86:28:0:0
Test mbedtls_mpi_core_io_be #11 (Zero)
mbedtls_mpi_core_io_be:"00":1:1:0:0
Test mbedtls_mpi_core_io_be #12 (Zero, empty output)
mbedtls_mpi_core_io_be:"00":0:1:0:0
Test mbedtls_mpi_core_io_be #13 (Zero, empty input)
mbedtls_mpi_core_io_be:"":1:1:0:0
Test mbedtls_mpi_core_io_be #14 (One)
mbedtls_mpi_core_io_be:"01":1:1:0:0
Test mbedtls_mpi_core_io_be #15 (One limb, 32 bit)
depends_on:MBEDTLS_HAVE_INT32
mbedtls_mpi_core_io_be:"ff000000":4:1:0:0
Test mbedtls_mpi_core_io_be #16 (One limb, 64 bit)
depends_on:MBEDTLS_HAVE_INT64
mbedtls_mpi_core_io_be:"ff00000000000000":8:2:0:0
Test mbedtls_mpi_core_io_be #17 (not enough limbs, input limb-aligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:22:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_core_io_be #18 (not enough limbs, input unaligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:22:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_core_io_be #19 (buffer too small, input limb-aligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":95:24:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_core_io_be #20 (buffer too small, input unaligned)
mbedtls_mpi_core_io_be:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:24:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_core_io_be #21 (Buffer and limbs fit, input unaligned, odd number of limbs)
mbedtls_mpi_core_io_be:"00de4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":82:21:0:0
Test mbedtls_mpi_core_io_le #1 (Buffer and limbs just fit, input limb-aligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:24:0:0
Test mbedtls_mpi_core_io_le #2 (Buffer and limbs just fit, input unaligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:24:0:0
Test mbedtls_mpi_core_io_le #3 (Buffer just fits, extra limbs, input limb-aligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:28:0:0
Test mbedtls_mpi_core_io_le #4 (Buffer just fits, extra limbs, input unaligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:28:0:0
Test mbedtls_mpi_core_io_le #5 (Extra limbs, buffer aligned to extra limbs, input limb-aligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":112:28:0:0
Test mbedtls_mpi_core_io_le #6 (Extra limbs, buffer aligned to extra limbs, input unaligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":112:28:0:0
Test mbedtls_mpi_core_io_le #7 (Buffer and limbs just fit, input limb-aligned with leading zeroes)
mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:24:0:0
Test mbedtls_mpi_core_io_le #8 (Buffer and limbs just fit, input unaligned with leading zeroes)
mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:24:0:0
Test mbedtls_mpi_core_io_le #9 (Buffer just fits, extra limbs, input limb-aligned with leading zeroes)
mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:28:0:0
Test mbedtls_mpi_core_io_le #10 (Buffer just fits, extra limbs, input unaligned with leading zeroes)
mbedtls_mpi_core_io_le:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:28:0:0
Test mbedtls_mpi_core_io_le #11 (Zero)
mbedtls_mpi_core_io_le:"00":1:1:0:0
Test mbedtls_mpi_core_io_le #12 (Zero, empty output)
mbedtls_mpi_core_io_le:"00":0:1:0:0
Test mbedtls_mpi_core_io_le #13 (Zero, empty input)
mbedtls_mpi_core_io_le:"":1:1:0:0
Test mbedtls_mpi_core_io_le #14 (One)
mbedtls_mpi_core_io_le:"01":1:1:0:0
Test mbedtls_mpi_core_io_le #15 (One limb)
depends_on:MBEDTLS_HAVE_INT32
mbedtls_mpi_core_io_le:"000000ff":4:1:0:0
Test mbedtls_mpi_core_io_le #16 (One limb)
depends_on:MBEDTLS_HAVE_INT64
mbedtls_mpi_core_io_le:"00000000000000ff":8:2:0:0
Test mbedtls_mpi_core_io_le #17 (not enough limbs, input limb-aligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:22:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_core_io_le #18 (not enough limbs, input unaligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:22:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_core_io_le #19 (buffer too small, input limb-aligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":95:24:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_core_io_le #20 (buffer too small, input unaligned)
mbedtls_mpi_core_io_le:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:24:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_core_io_le #21 (Buffer and limbs fit, input unaligned, odd number of limbs)
mbedtls_mpi_core_io_le:"de4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b442400":82:21:0:0
Test mbedtls_mpi_mod_raw_io #1 BE (Buffer and limbs just fit, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #1 LE (Buffer and limbs just fit, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #2 BE (Buffer and limbs just fit, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #2 LE (Buffer and limbs just fit, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #3 BE (Buffer just fits, extra limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #3 LE (Buffer just fits, extra limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #4 BE (Buffer just fits, extra limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #4 LE (Buffer just fits, extra limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #5 BE (Extra limbs, buffer aligned to extra limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":112:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #5 LE (Extra limbs, buffer aligned to extra limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":112:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #6 BE (Extra limbs, buffer aligned to extra limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":112:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #6 LE (Extra limbs, buffer aligned to extra limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":112:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #7 BE (Buffer and limbs just fit, input limb-aligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":88:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #7 LE (Buffer and limbs just fit, input limb-aligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #8 BE (Buffer and limbs just fit, input unaligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":86:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #8 LE (Buffer and limbs just fit, input unaligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #9 BE (Buffer just fits, extra limbs, input limb-aligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":88:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #9 LE (Buffer just fits, extra limbs, input limb-aligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b44240000000000000000":88:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #10 BE (Buffer just fits, extra limbs, input unaligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"00000000000000001fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":86:28:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #10 LE (Buffer just fits, extra limbs, input unaligned with leading zeroes)
mbedtls_mpi_mod_raw_io:"1fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b0000000000000000":86:28:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #11 BE (Zero)
mbedtls_mpi_mod_raw_io:"00":1:1:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #11 LE (Zero)
mbedtls_mpi_mod_raw_io:"00":1:1:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #12 BE (Zero, empty output)
mbedtls_mpi_mod_raw_io:"00":0:1:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #12 LE (Zero, empty output)
mbedtls_mpi_mod_raw_io:"00":0:1:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #13 BE (Zero, empty input)
mbedtls_mpi_mod_raw_io:"":1:1:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #13 LE (Zero, empty input)
mbedtls_mpi_mod_raw_io:"":1:1:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #14 BE (One)
mbedtls_mpi_mod_raw_io:"01":1:1:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #14 LE (One)
mbedtls_mpi_mod_raw_io:"01":1:1:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #14 BE (One limb)
mbedtls_mpi_mod_raw_io:"ff00000000000000":8:2:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #14 LE (One limb)
mbedtls_mpi_mod_raw_io:"00000000000000ff":8:2:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #15 BE (One limb)
depends_on:MBEDTLS_HAVE_INT32
mbedtls_mpi_mod_raw_io:"000000ff":4:1:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #15 LE (One limb)
depends_on:MBEDTLS_HAVE_INT32
mbedtls_mpi_mod_raw_io:"000000ff":4:1:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #16 BE (One limb)
depends_on:MBEDTLS_HAVE_INT64
mbedtls_mpi_mod_raw_io:"00000000000000ff":8:2:MBEDTLS_MPI_MOD_EXT_REP_BE:0:0
Test mbedtls_mpi_mod_raw_io #16 LE (One limb)
depends_on:MBEDTLS_HAVE_INT64
mbedtls_mpi_mod_raw_io:"00000000000000ff":8:2:MBEDTLS_MPI_MOD_EXT_REP_LE:0:0
Test mbedtls_mpi_mod_raw_io #17 BE (not enough limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:22:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_mod_raw_io #17 LE (not enough limbs, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":96:22:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_mod_raw_io #18 BE (not enough limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:22:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_mod_raw_io #18 LE (not enough limbs, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":94:22:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL:0
Test mbedtls_mpi_mod_raw_io #19 BE (buffer too small, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":95:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_mod_raw_io #19 LE (buffer too small, input limb-aligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":95:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_mod_raw_io #20 BE (buffer too small, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:24:MBEDTLS_MPI_MOD_EXT_REP_BE:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_mod_raw_io #20 LE (buffer too small, input unaligned)
mbedtls_mpi_mod_raw_io:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b":93:24:MBEDTLS_MPI_MOD_EXT_REP_LE:0:MBEDTLS_ERR_MPI_BUFFER_TOO_SMALL
Test mbedtls_mpi_mod_raw_io #21 BE (modulus is equal to input)
mbedtls_mpi_mod_raw_io:"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF":1024:256:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_ERR_MPI_BAD_INPUT_DATA:0
Test mbedtls_mpi_mod_raw_io #21 LE (modulus is equal to input)
mbedtls_mpi_mod_raw_io:"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF":1024:256:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_ERR_MPI_BAD_INPUT_DATA:0
Test mbedtls_mpi_mod_raw_io #22 (reading with invalid endianness)
mbedtls_mpi_mod_raw_io:"":1:1:MBEDTLS_MPI_MOD_EXT_REP_INVALID:MBEDTLS_ERR_MPI_BAD_INPUT_DATA:0
Test mbedtls_mpi_mod_raw_io #22 (writing with invalid endianness)
mbedtls_mpi_mod_raw_io:"":1:1:MBEDTLS_MPI_MOD_EXT_REP_INVALID:0:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #1 (Both representations invalid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_INVALID:MBEDTLS_MPI_MOD_REP_INVALID:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #2 (Internal representation invalid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_MPI_MOD_REP_INVALID:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #3 (Internal representation invalid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_MPI_MOD_REP_INVALID:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #4 (External representation invalid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_INVALID:MBEDTLS_MPI_MOD_REP_MONTGOMERY:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #5 (External representation invalid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_INVALID:MBEDTLS_MPI_MOD_REP_OPT_RED:MBEDTLS_ERR_MPI_BAD_INPUT_DATA
Test mbedtls_mpi_mod_setup #6 (Both representations valid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_MPI_MOD_REP_OPT_RED:0
Test mbedtls_mpi_mod_setup #7 (Both representations valid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_BE:MBEDTLS_MPI_MOD_REP_MONTGOMERY:0
Test mbedtls_mpi_mod_setup #8 (Both representations valid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_MPI_MOD_REP_OPT_RED:0
Test mbedtls_mpi_mod_setup #9 (Both representations valid)
mbedtls_mpi_mod_setup:MBEDTLS_MPI_MOD_EXT_REP_LE:MBEDTLS_MPI_MOD_REP_MONTGOMERY:0
Base test mbedtls_mpi_read_binary #1
mbedtls_mpi_read_binary:"0941379d00fed1491fe15df284dfde4a142f68aa8d412023195cee66883e6290ffe703f4ea5963bf212713cee46b107c09182b5edcd955adac418bf4918e2889af48e1099d513830cec85c26ac1e158b52620e33ba8692f893efbb2f958b4424":"0941379D00FED1491FE15DF284DFDE4A142F68AA8D412023195CEE66883E6290FFE703F4EA5963BF212713CEE46B107C09182B5EDCD955ADAC418BF4918E2889AF48E1099D513830CEC85C26AC1E158B52620E33BA8692F893EFBB2F958B4424"
@ -292,6 +594,93 @@ mbedtls_mpi_cmp_mpi:"-1230000000000000000":"":-1
Test mbedtls_mpi_cmp_mpi: large negative < 0 (1 limb)
mbedtls_mpi_cmp_mpi:"-1230000000000000000":"0":-1
mbedtls_mpi_core_lt_ct: x=y (1 limb)
mpi_core_lt_ct:"02B5":"02B5":0
mbedtls_mpi_core_lt_ct: x>y (1 limb)
mpi_core_lt_ct:"02B5":"02B4":0
mbedtls_mpi_core_lt_ct: x<y (1 limb)
mpi_core_lt_ct:"02B5":"02B6":1
mbedtls_mpi_core_lt_ct: x=y (0 limbs)
mpi_core_lt_ct:"":"":0
mbedtls_mpi_core_lt_ct: x>y (63 bit x, y first byte greater)
mpi_core_lt_ct:"7FFFFFFFFFFFFFFF":"FF":0
mbedtls_mpi_core_lt_ct: x<y (63 bit y, x first byte greater)
mpi_core_lt_ct:"FF":"7FFFFFFFFFFFFFFF":1
mbedtls_mpi_core_lt_ct: x>y (64 bit x, y=x-1)
mpi_core_lt_ct:"8000000000000000":"7FFFFFFFFFFFFFFF":0
mbedtls_mpi_core_lt_ct: x<y (64 bit y, x=y-1)
mpi_core_lt_ct:"7FFFFFFFFFFFFFFF":"8000000000000000":1
mbedtls_mpi_core_lt_ct: x>y (64 bit x, y=1)
mpi_core_lt_ct:"8000000000000000":"01":0
mbedtls_mpi_core_lt_ct: x<y (64 bit y, x=1)
mpi_core_lt_ct:"01":"8000000000000000":1
mbedtls_mpi_core_lt_ct: x>y (64 bit x, y=0)
mpi_core_lt_ct:"8000000000000000":"00":0
mbedtls_mpi_core_lt_ct: x<y (64 bit y, x=0)
mpi_core_lt_ct:"00":"8000000000000000":1
mbedtls_mpi_core_lt_ct: x>y (64 bit x, first bytes equal)
mpi_core_lt_ct:"FFFFFFFFFFFFFFFF":"FF":0
mbedtls_mpi_core_lt_ct: x<y (64 bit y, first bytes equal)
mpi_core_lt_ct:"FF":"FFFFFFFFFFFFFFFF":1
mbedtls_mpi_core_lt_ct: x>y (31 bit x, y first byte greater)
mpi_core_lt_ct:"7FFFFFFF":"FF":0
mbedtls_mpi_core_lt_ct: x<y (31 bit y, x first byte greater)
mpi_core_lt_ct:"FF":"7FFFFFFF":1
mbedtls_mpi_core_lt_ct: x>y (32 bit x, y=x-1)
mpi_core_lt_ct:"80000000":"7FFFFFFF":0
mbedtls_mpi_core_lt_ct: x<y (32 bit y, x=y-1)
mpi_core_lt_ct:"7FFFFFFF":"80000000":1
mbedtls_mpi_core_lt_ct: x>y (32 bit x, y=1)
mpi_core_lt_ct:"80000000":"01":0
mbedtls_mpi_core_lt_ct: x<y (32 bit y, x=1)
mpi_core_lt_ct:"01":"80000000":1
mbedtls_mpi_core_lt_ct: x>y (32 bit x, y=0)
mpi_core_lt_ct:"80000000":"00":0
mbedtls_mpi_core_lt_ct: x<y (32 bit y, x=0)
mpi_core_lt_ct:"00":"80000000":1
mbedtls_mpi_core_lt_ct: x>y (32 bit x, first bytes equal)
mpi_core_lt_ct:"FFFFFFFF":"FF":0
mbedtls_mpi_core_lt_ct: x<y (32 bit y, first bytes equal)
mpi_core_lt_ct:"FF":"FFFFFFFF":1
mbedtls_mpi_core_lt_ct: x<y, zero vs non-zero MS limb
mpi_core_lt_ct:"00FFFFFFFFFFFFFFFF":"01FFFFFFFFFFFFFFFF":1
mbedtls_mpi_core_lt_ct: x>y, equal MS limbs
mpi_core_lt_ct:"EEFFFFFFFFFFFFFFFF":"EEFFFFFFFFFFFFFFF1":0
mbedtls_mpi_core_lt_ct: x=y (multi-limb)
mpi_core_lt_ct:"EEFFFFFFFFFFFFFFFF":"EEFFFFFFFFFFFFFFFF":0
mbedtls_mpi_core_lt_ct: x<y (alternating limbs)
mpi_core_lt_ct:"11FFFFFFFFFFFFFFFF":"FF1111111111111111":1
mbedtls_mpi_core_lt_ct: x>y (alternating limbs)
mpi_core_lt_ct:"FF1111111111111111":"11FFFFFFFFFFFFFFFF":0
Base test mbedtls_mpi_lt_mpi_ct #1
mbedtls_mpi_lt_mpi_ct:1:"2B5":1:"2B5":0:0

308
tests/suites/test_suite_mpi.function
View file

@ -1,6 +1,11 @@
/* BEGIN_HEADER */
#include "mbedtls/bignum.h"
#include "mbedtls/entropy.h"
#include "bignum_core.h"
#include "bignum_mod.h"
#include "bignum_mod_raw.h"
#include "constant_time_internal.h"
#include "test/constant_flow.h"
#if MBEDTLS_MPI_MAX_BITS > 792
#define MPI_MAX_BITS_LARGER_THAN_792
@ -196,6 +201,273 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_core_io_null()
{
mbedtls_mpi_uint X = 0;
int ret;
ret = mbedtls_mpi_core_read_be( &X, 1, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_write_be( &X, 1, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_read_be( NULL, 0, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_write_be( NULL, 0, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_read_le( &X, 1, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_write_le( &X, 1, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_read_le( NULL, 0, NULL, 0 );
TEST_EQUAL( ret, 0 );
ret = mbedtls_mpi_core_write_le( NULL, 0, NULL, 0 );
TEST_EQUAL( ret, 0 );
exit:
;
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_core_io_be( data_t *input, int nb_int, int nx_32_int, int iret,
int oret )
{
if( iret != 0 )
TEST_ASSERT( oret == 0 );
TEST_ASSERT( 0 <= nb_int );
size_t nb = nb_int;
unsigned char buf[1024];
TEST_ASSERT( nb <= sizeof( buf ) );
/* nx_32_int is the number of 32 bit limbs, if we have 64 bit limbs we need
* to halve the number of limbs to have the same size. */
size_t nx;
TEST_ASSERT( 0 <= nx_32_int );
if( sizeof( mbedtls_mpi_uint ) == 8 )
nx = nx_32_int / 2 + nx_32_int % 2;
else
nx = nx_32_int;
mbedtls_mpi_uint X[sizeof( buf ) / sizeof( mbedtls_mpi_uint )];
TEST_ASSERT( nx <= sizeof( X ) / sizeof( X[0] ) );
int ret = mbedtls_mpi_core_read_be( X, nx, input->x, input->len );
TEST_EQUAL( ret, iret );
if( iret == 0 )
{
ret = mbedtls_mpi_core_write_be( X, nx, buf, nb );
TEST_EQUAL( ret, oret );
}
if( ( iret == 0 ) && ( oret == 0 ) )
{
if( nb > input->len )
{
size_t leading_zeroes = nb - input->len;
TEST_ASSERT( memcmp( buf + nb - input->len, input->x, input->len ) == 0 );
for( size_t i = 0; i < leading_zeroes; i++ )
TEST_EQUAL( buf[i], 0 );
}
else
{
size_t leading_zeroes = input->len - nb;
TEST_ASSERT( memcmp( input->x + input->len - nb, buf, nb ) == 0 );
for( size_t i = 0; i < leading_zeroes; i++ )
TEST_EQUAL( input->x[i], 0 );
}
}
exit:
;
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_core_io_le( data_t *input, int nb_int, int nx_32_int, int iret,
int oret )
{
if( iret != 0 )
TEST_ASSERT( oret == 0 );
TEST_ASSERT( 0 <= nb_int );
size_t nb = nb_int;
unsigned char buf[1024];
TEST_ASSERT( nb <= sizeof( buf ) );
/* nx_32_int is the number of 32 bit limbs, if we have 64 bit limbs we need
* to halve the number of limbs to have the same size. */
size_t nx;
TEST_ASSERT( 0 <= nx_32_int );
if( sizeof( mbedtls_mpi_uint ) == 8 )
nx = nx_32_int / 2 + nx_32_int % 2;
else
nx = nx_32_int;
mbedtls_mpi_uint X[sizeof( buf ) / sizeof( mbedtls_mpi_uint )];
TEST_ASSERT( nx <= sizeof( X ) / sizeof( X[0] ) );
int ret = mbedtls_mpi_core_read_le( X, nx, input->x, input->len );
TEST_EQUAL( ret, iret );
if( iret == 0 )
{
ret = mbedtls_mpi_core_write_le( X, nx, buf, nb );
TEST_EQUAL( ret, oret );
}
if( ( iret == 0 ) && ( oret == 0 ) )
{
if( nb > input->len )
{
TEST_ASSERT( memcmp( buf, input->x, input->len ) == 0 );
for( size_t i = input->len; i < nb; i++ )
TEST_EQUAL( buf[i], 0 );
}
else
{
TEST_ASSERT( memcmp( input->x, buf, nb ) == 0 );
for( size_t i = nb; i < input->len; i++ )
TEST_EQUAL( input->x[i], 0 );
}
}
exit:
;
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mod_setup( int ext_rep, int int_rep, int iret )
{
#define MLIMBS 8
mbedtls_mpi_uint mp[MLIMBS];
mbedtls_mpi_mod_modulus m;
int ret;
memset( mp, 0xFF, sizeof(mp) );
mbedtls_mpi_mod_modulus_init( &m );
ret = mbedtls_mpi_mod_modulus_setup( &m, mp, MLIMBS, ext_rep, int_rep );
TEST_EQUAL( ret, iret );
/* Address sanitiser should catch if we try to free mp */
mbedtls_mpi_mod_modulus_free( &m );
/* Make sure that the modulus doesn't have reference to mp anymore */
TEST_ASSERT( m.p != mp );
exit:
/* It should be safe to call an mbedtls free several times */
mbedtls_mpi_mod_modulus_free( &m );
#undef MLIMBS
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_mod_raw_io( data_t *input, int nb_int, int nx_32_int,
int iendian, int iret, int oret )
{
if( iret != 0 )
TEST_ASSERT( oret == 0 );
TEST_ASSERT( 0 <= nb_int );
size_t nb = nb_int;
unsigned char buf[1024];
TEST_ASSERT( nb <= sizeof( buf ) );
/* nx_32_int is the number of 32 bit limbs, if we have 64 bit limbs we need
* to halve the number of limbs to have the same size. */
size_t nx;
TEST_ASSERT( 0 <= nx_32_int );
if( sizeof( mbedtls_mpi_uint ) == 8 )
nx = nx_32_int / 2 + nx_32_int % 2;
else
nx = nx_32_int;
mbedtls_mpi_uint X[sizeof( buf ) / sizeof( mbedtls_mpi_uint )];
TEST_ASSERT( nx <= sizeof( X ) / sizeof( X[0] ) );
int endian;
if( iendian == MBEDTLS_MPI_MOD_EXT_REP_INVALID )
endian = MBEDTLS_MPI_MOD_EXT_REP_LE;
else
endian = iendian;
mbedtls_mpi_mod_modulus m;
mbedtls_mpi_mod_modulus_init( &m );
mbedtls_mpi_uint init[sizeof( X ) / sizeof( X[0] )];
memset( init, 0xFF, sizeof( init ) );
int ret = mbedtls_mpi_mod_modulus_setup( &m, init, nx, endian,
MBEDTLS_MPI_MOD_REP_MONTGOMERY );
TEST_EQUAL( ret, 0 );
if( iendian == MBEDTLS_MPI_MOD_EXT_REP_INVALID && iret != 0 )
m.ext_rep = MBEDTLS_MPI_MOD_EXT_REP_INVALID;
ret = mbedtls_mpi_mod_raw_read( X, &m, input->x, input->len );
TEST_EQUAL( ret, iret );
if( iret == 0 )
{
if( iendian == MBEDTLS_MPI_MOD_EXT_REP_INVALID && oret != 0 )
m.ext_rep = MBEDTLS_MPI_MOD_EXT_REP_INVALID;
ret = mbedtls_mpi_mod_raw_write( X, &m, buf, nb );
TEST_EQUAL( ret, oret );
}
if( ( iret == 0 ) && ( oret == 0 ) )
{
if( nb > input->len )
{
if( endian == MBEDTLS_MPI_MOD_EXT_REP_BE )
{
size_t leading_zeroes = nb - input->len;
TEST_ASSERT( memcmp( buf + nb - input->len, input->x, input->len ) == 0 );
for( size_t i = 0; i < leading_zeroes; i++ )
TEST_EQUAL( buf[i], 0 );
}
else
{
TEST_ASSERT( memcmp( buf, input->x, input->len ) == 0 );
for( size_t i = input->len; i < nb; i++ )
TEST_EQUAL( buf[i], 0 );
}
}
else
{
if( endian == MBEDTLS_MPI_MOD_EXT_REP_BE )
{
size_t leading_zeroes = input->len - nb;
TEST_ASSERT( memcmp( input->x + input->len - nb, buf, nb ) == 0 );
for( size_t i = 0; i < leading_zeroes; i++ )
TEST_EQUAL( input->x[i], 0 );
}
else
{
TEST_ASSERT( memcmp( input->x, buf, nb ) == 0 );
for( size_t i = nb; i < input->len; i++ )
TEST_EQUAL( input->x[i], 0 );
}
}
}
exit:
mbedtls_mpi_mod_modulus_free( &m );
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_read_binary_le( data_t * buf, char * input_A )
{
@ -455,6 +727,42 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void mpi_core_lt_ct( data_t * input_X, data_t * input_Y, int input_ret )
{
#define MAX_LEN 64
mbedtls_mpi_uint X[MAX_LEN];
mbedtls_mpi_uint Y[MAX_LEN];
unsigned exp_ret = input_ret;
unsigned ret;
size_t len = CHARS_TO_LIMBS(
input_X->len > input_Y->len ? input_X->len : input_Y->len );
TEST_ASSERT( len <= MAX_LEN );
TEST_ASSERT( mbedtls_mpi_core_read_be( X, len, input_X->x, input_X->len )
== 0 );
TEST_ASSERT( mbedtls_mpi_core_read_be( Y, len, input_Y->x, input_Y->len )
== 0 );
TEST_CF_SECRET( X, len * sizeof( mbedtls_mpi_uint ) );
TEST_CF_SECRET( Y, len * sizeof( mbedtls_mpi_uint ) );
ret = mbedtls_mpi_core_lt_ct( X, Y, len );
TEST_CF_PUBLIC( X, len * sizeof( mbedtls_mpi_uint ) );
TEST_CF_PUBLIC( Y, len * sizeof( mbedtls_mpi_uint ) );
TEST_CF_PUBLIC( &ret, sizeof( ret ) );
TEST_EQUAL( ret, exp_ret );
exit:
;
#undef MAX_LEN
}
/* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_lt_mpi_ct( int size_X, char * input_X,
int size_Y, char * input_Y,