lib/mbedtls
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Merge branch 'pr_1480' into development-proposed

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This commit is contained in:
Gilles Peskine
2018-04-01 12:44:06 +02:00
parent 0ed632f445 092bf3dd38
commit 90a8b5219f
3 changed files with 19 additions and 5 deletions
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12
library/bignum.c
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@ -184,7 +184,7 @@ int mbedtls_mpi_shrink( mbedtls_mpi *X, size_t nblimbs )
*/
int mbedtls_mpi_copy( mbedtls_mpi *X, const mbedtls_mpi *Y )
{
int ret;
int ret = 0;
size_t i;
if( X == Y )
@ -203,9 +203,15 @@ int mbedtls_mpi_copy( mbedtls_mpi *X, const mbedtls_mpi *Y )
X->s = Y->s;
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, i ) );
if( X->n < i )
{
MBEDTLS_MPI_CHK( mbedtls_mpi_grow( X, i ) );
}
else
{
memset( X->p + i, 0, ( X->n - i ) * ciL );
}
memset( X->p, 0, X->n * ciL );
memcpy( X->p, Y->p, i * ciL );
cleanup: