func cMechanismList(m []*Mechanism) (C.CK_MECHANISM_PTR, C.CK_ULONG) {
if len(m) == 0 {
return nil, 0
}
pm := make([]C.CK_MECHANISM, len(m))
for i := 0; i < len(m); i++ {
pm[i].mechanism = C.CK_MECHANISM_TYPE(m[i].Mechanism)
if m[i].Parameter == nil {
continue
}
pm[i].pParameter = C.CK_VOID_PTR(&(m[i].Parameter[0]))
pm[i].ulParameterLen = C.CK_ULONG(len(m[i].Parameter))
}
return C.CK_MECHANISM_PTR(&pm[0]), C.CK_ULONG(len(m))
}
// cAttribute returns the start address and the length of an attribute list.
func cAttributeList(a []*Attribute) (C.CK_ATTRIBUTE_PTR, C.CK_ULONG) {
if len(a) == 0 {
return nil, 0
}
pa := make([]C.CK_ATTRIBUTE, len(a))
for i := 0; i < len(a); i++ {
pa[i]._type = C.CK_ATTRIBUTE_TYPE(a[i].Type)
if a[i].Value == nil {
continue
}
pa[i].pValue = C.CK_VOID_PTR((&a[i].Value[0]))
pa[i].ulValueLen = C.CK_ULONG(len(a[i].Value))
}
return C.CK_ATTRIBUTE_PTR(&pa[0]), C.CK_ULONG(len(a))
}
/* Initialize initializes the Cryptoki library. */
func (c *Ctx) Initialize() error {
args := &C.CK_C_INITIALIZE_ARGS{nil, nil, nil, nil, C.CKF_OS_LOCKING_OK, nil}
e := C.Initialize(c.ctx, C.CK_VOID_PTR(args))
return toError(e)
}
func (a *arena) Allocate(obj []byte) (C.CK_VOID_PTR, C.CK_ULONG) {
cobj := C.calloc(C.size_t(len(obj)), 1)
*a = append(*a, cobj)
C.memmove(cobj, unsafe.Pointer(&obj[0]), C.size_t(len(obj)))
return C.CK_VOID_PTR(cobj), C.CK_ULONG(len(obj))
}