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Fixed segfault in mpi_shift_r()

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Fixed memory leak in test_suite_mpi
Amended ChangeLog
This commit is contained in:
Manuel Pégourié-Gonnard 2012-11-17 12:42:51 +01:00 committed by Paul Bakker
parent 25338d74ac
commit e44ec108be
4 changed files with 18 additions and 1 deletions
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2
ChangeLog
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@ -10,6 +10,8 @@ Bugfixes
* Moved mpi_inv_mod() outside POLARSSL_GENPRIME
* Allow R and A to point to same mpi in mpi_div_mpi (found by Manuel
Pégourié-Gonnard)
* Fixed possible segfault in mpi_shift_r() (found by Manuel
Pégourié-Gonnard)
* Added max length check for rsa_pkcs1_sign with PKCS#1 v2.1
= Version 1.2.0 released 2012-10-31

3
library/bignum.c
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@ -611,6 +611,9 @@ int mpi_shift_r( mpi *X, size_t count )
v0 = count / biL;
v1 = count & (biL - 1);
if( v0 > X->n || ( v0 == X->n && v1 > 0 ) )
return mpi_lset( X, 0 );
/*
* shift by count / limb_size
*/

12
tests/suites/test_suite_mpi.data
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@ -309,6 +309,18 @@ mpi_shift_r:10:"128":1:10:"64"
Test mpi_shift_r #2
mpi_shift_r:10:"120815570979701484704906977000760567182871429114712069861589084706550626575967516787438008593490722779337547394120718248995900363209947025063336882559539208430319216688889117222633155838468458047056355241515415159736436403445579777425189969":45:10:"3433785053053426415343295076376096153094051405637175942660777670498379921354157795219578264137985649407981651226029903483433269093721578004287291678324982297860947730012217028349628999378309630601971640587504883789518896817457"
Test mpi_shift_r #4
mpi_shift_r:16:"FFFFFFFFFFFFFFFF":63:16:"01"
Test mpi_shift_r #4
mpi_shift_r:16:"FFFFFFFFFFFFFFFF":64:16:"00"
Test mpi_shift_r #6
mpi_shift_r:16:"FFFFFFFFFFFFFFFF":65:16:"00"
Test mpi_shift_r #7
mpi_shift_r:16:"FFFFFFFFFFFFFFFF":128:16:"00"
Base test mpi_mul_mpi #1
mpi_mul_mpi:10:"5":10:"7":10:"35"

2
tests/suites/test_suite_mpi.function
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@ -162,7 +162,7 @@ mpi_set_bit:radix_X:input_X:pos:val:radix_Y:output_Y
TEST_ASSERT( mpi_set_bit( &X, {pos}, {val} ) == 0 );
TEST_ASSERT( mpi_cmp_mpi( &X, &Y ) == 0 );
mpi_free( &X );
mpi_free( &X ); mpi_free( &Y );
}
END_CASE