mirror of
https://github.com/yuzu-emu/mbedtls
synced 2024-11-24 17:58:18 +00:00
Fix bug with mpi_fill_random() on big-endian
This commit is contained in:
parent
f96f7b607a
commit
33dc46b080
2 changed files with 15 additions and 1 deletions
|
@ -25,6 +25,8 @@ Bugfix
|
|||
ServerHello when no extensions are present (found by Matthew Page)
|
||||
* rsa_check_pubkey() now allows an E up to N
|
||||
* On OpenBSD, use arc4random_buf() instead of rand() to prevent warnings
|
||||
* mpi_fill_random() was creating numbers larger than requested on
|
||||
big-endian platform when size was not an integer number of limbs
|
||||
|
||||
= PolarSSL 1.3.6 released on 2014-04-11
|
||||
|
||||
|
|
|
@ -1773,16 +1773,28 @@ cleanup:
|
|||
return( ret );
|
||||
}
|
||||
|
||||
/*
|
||||
* Fill X with size bytes of random.
|
||||
*
|
||||
* Use a temporary bytes representation to make sure the result is the same
|
||||
* regardless of the platform endianness (usefull when f_rng is actually
|
||||
* deterministic, eg for tests).
|
||||
*/
|
||||
int mpi_fill_random( mpi *X, size_t size,
|
||||
int (*f_rng)(void *, unsigned char *, size_t),
|
||||
void *p_rng )
|
||||
{
|
||||
int ret;
|
||||
unsigned char buf[POLARSSL_MPI_MAX_SIZE];
|
||||
|
||||
if( size > POLARSSL_MPI_MAX_SIZE )
|
||||
return( POLARSSL_ERR_MPI_BAD_INPUT_DATA );
|
||||
|
||||
MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( size ) ) );
|
||||
MPI_CHK( mpi_lset( X, 0 ) );
|
||||
|
||||
MPI_CHK( f_rng( p_rng, (unsigned char *) X->p, size ) );
|
||||
MPI_CHK( f_rng( p_rng, buf, size ) );
|
||||
MPI_CHK( mpi_read_binary( X, buf, size ) );
|
||||
|
||||
cleanup:
|
||||
return( ret );
|
||||
|
|
Loading…
Reference in a new issue