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Fix memory leak in DHM

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Manuel Pégourié-Gonnard 2013-09-13 13:55:26 +02:00
parent 4fe9200f47
commit b72b4edec1
1 changed files with 4 additions and 2 deletions
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6
library/dhm.c
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@ -98,7 +98,7 @@ int dhm_read_params( dhm_context *ctx,
{ {
int ret; int ret;
memset( ctx, 0, sizeof( dhm_context ) ); dhm_free( ctx );
if( ( ret = dhm_read_bignum( &ctx->P, p, end ) ) != 0 || if( ( ret = dhm_read_bignum( &ctx->P, p, end ) ) != 0 ||
( ret = dhm_read_bignum( &ctx->G, p, end ) ) != 0 || ( ret = dhm_read_bignum( &ctx->G, p, end ) ) != 0 ||
@ -364,10 +364,12 @@ cleanup:
*/ */
void dhm_free( dhm_context *ctx ) void dhm_free( dhm_context *ctx )
{ {
mpi_free( &ctx->Vi ); mpi_free( &ctx->Vf ); mpi_free( &ctx->_X); mpi_free( &ctx->Vf ); mpi_free( &ctx->Vi );
mpi_free( &ctx->RP ); mpi_free( &ctx->K ); mpi_free( &ctx->GY ); mpi_free( &ctx->RP ); mpi_free( &ctx->K ); mpi_free( &ctx->GY );
mpi_free( &ctx->GX ); mpi_free( &ctx->X ); mpi_free( &ctx->G ); mpi_free( &ctx->GX ); mpi_free( &ctx->X ); mpi_free( &ctx->G );
mpi_free( &ctx->P ); mpi_free( &ctx->P );
memset( ctx, 0, sizeof( dhm_context ) );
} }
#if defined(POLARSSL_SELF_TEST) #if defined(POLARSSL_SELF_TEST)