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Tests and fix added for #309 (inplace mpi doubling).

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This commit is contained in:
Janos Follath 2015-10-25 10:58:03 +01:00
parent c4e7d8a381
commit 044a86bde8
3 changed files with 29 additions and 1 deletions
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7
library/bignum.c
View file

@ -862,7 +862,12 @@ int mbedtls_mpi_add_abs( mbedtls_mpi *X, const mbedtls_mpi *A, const mbedtls_mpi
if( X == B ) if( X == B )
{ {
const mbedtls_mpi *T = A; A = X; B = T; const mbedtls_mpi *T;
if( B == A)
return mbedtls_mpi_shift_l( X, 1 );
T = A; A = X; B = T;
} }
if( X != A ) if( X != A )

6
tests/suites/test_suite_mpi.data
View file

@ -295,6 +295,12 @@ mbedtls_mpi_add_mpi:10:"20395687835640197740576586692903457728019399331434826309
Test mbedtls_mpi_add_mpi #2 Test mbedtls_mpi_add_mpi #2
mbedtls_mpi_add_mpi:10:"643808006803554439230129854961492699151386107534013432918073439524138264842370630061369715394739134090922937332590384720397133335969549256322620979036686633213903952966175107096769180017646161851573147596390153":10:"56125680981752282333498088313568935051383833838594899821664631784577337171193624243181360054669678410455329112434552942717084003541384594864129940145043086760031292483340068923506115878221189886491132772739661669044958531131327771":10:"56125680981752282334141896320372489490613963693556392520816017892111350604111697682705498319512049040516698827829292076808006940873974979584527073481012636016353913462376755556720019831187364993587901952757307830896531678727717924" mbedtls_mpi_add_mpi:10:"643808006803554439230129854961492699151386107534013432918073439524138264842370630061369715394739134090922937332590384720397133335969549256322620979036686633213903952966175107096769180017646161851573147596390153":10:"56125680981752282333498088313568935051383833838594899821664631784577337171193624243181360054669678410455329112434552942717084003541384594864129940145043086760031292483340068923506115878221189886491132772739661669044958531131327771":10:"56125680981752282334141896320372489490613963693556392520816017892111350604111697682705498319512049040516698827829292076808006940873974979584527073481012636016353913462376755556720019831187364993587901952757307830896531678727717924"
Base test mbedtls_mpi_add_mpi inplace #1
mbedtls_mpi_add_mpi_inplace:10:"12345678":10:"24691356"
Test mbedtls_mpi_add_mpi inplace #2
mbedtls_mpi_add_mpi_inplace:10:"643808006803554439230129854961492699151386107534013432918073439524138264842370630061369715394739134090922937332590384720397133335969549256322620979036686633213903952966175107096769180017646161851573147596390153":10:"1287616013607108878460259709922985398302772215068026865836146879048276529684741260122739430789478268181845874665180769440794266671939098512645241958073373266427807905932350214193538360035292323703146295192780306"
Test mbedtls_mpi_add_int #1 Test mbedtls_mpi_add_int #1
mbedtls_mpi_add_int:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227012776329":9871232:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227022647561" mbedtls_mpi_add_int:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227012776329":9871232:10:"2039568783564019774057658669290345772801939933143482630947726464532830627227022647561"

17
tests/suites/test_suite_mpi.function
View file

@ -442,6 +442,23 @@ exit:
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */
void mbedtls_mpi_add_mpi_inplace( int radix_X, char *input_X, int radix_A, char *input_A )
{
mbedtls_mpi X, A;
mbedtls_mpi_init( &X ); mbedtls_mpi_init( &A );
TEST_ASSERT( mbedtls_mpi_read_string( &X, radix_X, input_X ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &A, radix_A, input_A ) == 0 );
TEST_ASSERT( mbedtls_mpi_add_mpi( &X, &X, &X ) == 0 );
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &X, &A ) == 0 );
exit:
mbedtls_mpi_free( &X ); mbedtls_mpi_free( &A );
}
/* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void mbedtls_mpi_add_abs( int radix_X, char *input_X, int radix_Y, char *input_Y, void mbedtls_mpi_add_abs( int radix_X, char *input_X, int radix_Y, char *input_Y,
int radix_A, char *input_A ) int radix_A, char *input_A )