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bcrypt: Pad exported datums in key_export_ecc(). 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2021-01-18 12:38:27 +01:00 committed by Alexandre Julliard
parent 37c86663eb
commit 4bf5371011
1 changed files with 5 additions and 11 deletions
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16
dlls/bcrypt/gnutls.c
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@ -1000,7 +1000,7 @@ static NTSTATUS CDECL key_export_ecc( struct key *key, UCHAR *buf, ULONG len, UL
gnutls_ecc_curve_t curve;
gnutls_datum_t x, y, d;
DWORD magic, size;
UCHAR *src, *dst;
UCHAR *dst;
int ret;
switch (key->alg_id)
@ -1040,19 +1040,13 @@ static NTSTATUS CDECL key_export_ecc( struct key *key, UCHAR *buf, ULONG len, UL
ecc_blob->cbKey = size;
dst = (UCHAR *)(ecc_blob + 1);
if (x.size == size + 1) src = x.data + 1;
else src = x.data;
memcpy( dst, src, size );
export_gnutls_datum( dst, size, &x, NULL );
dst += size;
if (y.size == size + 1) src = y.data + 1;
else src = y.data;
memcpy( dst, src, size );
export_gnutls_datum( dst, size, &y, NULL );
dst += size;
if (d.size == size + 1) src = d.data + 1;
else src = d.data;
memcpy( dst, src, size );
export_gnutls_datum( dst, size, &d, NULL );
}
free( x.data ); free( y.data ); free( d.data );