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Minor code-improvements in dhm.c

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This commit is contained in:
Hanno Becker 2017-09-28 10:32:25 +01:00
parent 13be990114
commit e71ad12cd5
1 changed files with 13 additions and 9 deletions
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22
library/dhm.c
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@ -430,10 +430,13 @@ int mbedtls_dhm_make_params( mbedtls_dhm_context *ctx, int x_size,
/*
* export P, G, GX
*/
#define DHM_MPI_EXPORT(X,n) \
MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( X, p + 2, n ) ); \
*p++ = (unsigned char)( n >> 8 ); \
*p++ = (unsigned char)( n ); p += n;
#define DHM_MPI_EXPORT(X,n) \
do { \
MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( X, p + 2, n ) ); \
*p++ = (unsigned char)( n >> 8 ); \
*p++ = (unsigned char)( n ); \
p += n; \
} while( 0 )
n1 = mbedtls_mpi_size( &ctx->P );
n2 = mbedtls_mpi_size( &ctx->G );
@ -444,7 +447,7 @@ int mbedtls_dhm_make_params( mbedtls_dhm_context *ctx, int x_size,
DHM_MPI_EXPORT( &ctx->G , n2 );
DHM_MPI_EXPORT( &ctx->GX, n3 );
*olen = p - output;
*olen = p - output;
ctx->len = n1;
@ -643,10 +646,11 @@ cleanup:
*/
void mbedtls_dhm_free( mbedtls_dhm_context *ctx )
{
mbedtls_mpi_free( &ctx->pX); mbedtls_mpi_free( &ctx->Vf ); mbedtls_mpi_free( &ctx->Vi );
mbedtls_mpi_free( &ctx->RP ); mbedtls_mpi_free( &ctx->K ); mbedtls_mpi_free( &ctx->GY );
mbedtls_mpi_free( &ctx->GX ); mbedtls_mpi_free( &ctx->X ); mbedtls_mpi_free( &ctx->G );
mbedtls_mpi_free( &ctx->P );
mbedtls_mpi_free( &ctx->pX ); mbedtls_mpi_free( &ctx->Vf );
mbedtls_mpi_free( &ctx->Vi ); mbedtls_mpi_free( &ctx->RP );
mbedtls_mpi_free( &ctx->K ); mbedtls_mpi_free( &ctx->GY );
mbedtls_mpi_free( &ctx->GX ); mbedtls_mpi_free( &ctx->X );
mbedtls_mpi_free( &ctx->G ); mbedtls_mpi_free( &ctx->P );
mbedtls_zeroize( ctx, sizeof( mbedtls_dhm_context ) );
}