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Fix potential memory leak in EC multiplication

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Signed-off-by: Jonas <[email protected]>
This commit is contained in:
Jonas
2020-05-25 13:56:48 +02:00
committed by Gilles Peskine
parent 087bb4c5b1
commit 86c5c61a91
1 changed files with 8 additions and 2 deletions
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library/ecp.c
+8 -2
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@@ -1134,7 +1134,10 @@ static int ecp_randomize_jac( const mbedtls_ecp_group *grp, mbedtls_ecp_point *p
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &l, 1 ) );
if( count++ > 10 )
return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
{
ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
goto cleanup;
}
}
while( mbedtls_mpi_cmp_int( &l, 1 ) <= 0 );
@@ -1552,7 +1555,10 @@ static int ecp_randomize_mxz( const mbedtls_ecp_group *grp, mbedtls_ecp_point *P
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_r( &l, 1 ) );
if( count++ > 10 )
return( MBEDTLS_ERR_ECP_RANDOM_FAILED );
{
ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
goto cleanup;
}
}
while( mbedtls_mpi_cmp_int( &l, 1 ) <= 0 );