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Merge remote-tracking branch 'origin/pr/2387' into mbedtls-2.7

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* origin/pr/2387:
  Update change log
  all.sh: Test MBEDTLS_MPI_WINDOW_SIZE=1
  Fix DEADCODE in mbedtls_mpi_exp_mod()
This commit is contained in:
Jaeden Amero 2019-03-05 16:34:12 +00:00
parent b9f12dcfb1 0fd3021204
commit f921e8fa9f
3 changed files with 16 additions and 0 deletions
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4
ChangeLog
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@ -45,6 +45,10 @@ Changes
they are enabled. they are enabled.
* Return from various debugging routines immediately if the * Return from various debugging routines immediately if the
provided SSL context is unset. provided SSL context is unset.
* Remove dead code from bignum.c in the default configuration.
Found by Coverity, reported and fixed by Peter Kolbus (Garmin). Fixes #2309.
* Add test for minimal value of MBEDTLS_MPI_WINDOW_SIZE to all.sh.
Contributed by Peter Kolbus (Garmin).
= mbed TLS 2.7.9 branch released 2018-12-21 = mbed TLS 2.7.9 branch released 2018-12-21

2
library/bignum.c
View file

@ -1679,8 +1679,10 @@ int mbedtls_mpi_exp_mod( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi
wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 : wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 :
( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1; ( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1;
#if( MBEDTLS_MPI_WINDOW_SIZE < 6 )
if( wsize > MBEDTLS_MPI_WINDOW_SIZE ) if( wsize > MBEDTLS_MPI_WINDOW_SIZE )
wsize = MBEDTLS_MPI_WINDOW_SIZE; wsize = MBEDTLS_MPI_WINDOW_SIZE;
#endif
j = N->n + 1; j = N->n + 1;
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, j ) ); MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, j ) );

10
tests/scripts/all.sh
View file

@ -870,6 +870,16 @@ support_test_mx32 () {
esac esac
} }
component_test_min_mpi_window_size () {
msg "build: Default + MBEDTLS_MPI_WINDOW_SIZE=1 (ASan build)" # ~ 10s
scripts/config.pl set MBEDTLS_MPI_WINDOW_SIZE 1
CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
make
msg "test: MBEDTLS_MPI_WINDOW_SIZE=1 - main suites (inc. selftests) (ASan build)" # ~ 10s
make test
}
component_test_have_int32 () { component_test_have_int32 () {
msg "build: gcc, force 32-bit bignum limbs" msg "build: gcc, force 32-bit bignum limbs"
scripts/config.pl unset MBEDTLS_HAVE_ASM scripts/config.pl unset MBEDTLS_HAVE_ASM