From 5cd54770ca2055eee9ae651510b0ff5d1c914f6c Mon Sep 17 00:00:00 2001 From: Andreas Schneider Date: Wed, 31 Jul 2019 15:41:29 +0200 Subject: [PATCH 072/187] s4:rpc_server: Use generate_secret_buffer() for backupkey wap_key Signed-off-by: Andreas Schneider Reviewed-by: Andrew Bartlett (cherry picked from commit 5a62056b4530e4c509444be9164a1fca1dce193f) --- source4/rpc_server/backupkey/dcesrv_backupkey.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/source4/rpc_server/backupkey/dcesrv_backupkey.c b/source4/rpc_server/backupkey/dcesrv_backupkey.c index a826ae083f4..d192858e468 100644 --- a/source4/rpc_server/backupkey/dcesrv_backupkey.c +++ b/source4/rpc_server/backupkey/dcesrv_backupkey.c @@ -1263,7 +1263,8 @@ static WERROR generate_bkrp_server_wrap_key(TALLOC_CTX *ctx, struct ldb_context char *secret_name; TALLOC_CTX *frame = talloc_stackframe(); - generate_random_buffer(wrap_key.key, sizeof(wrap_key.key)); + /* We need to use a CSPRNG which reseeds for generating session keys. */ + generate_secret_buffer(wrap_key.key, sizeof(wrap_key.key)); ndr_err = ndr_push_struct_blob(&blob_wrap_key, ctx, &wrap_key, (ndr_push_flags_fn_t)ndr_push_bkrp_dc_serverwrap_key); if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { -- 2.23.0