func (m *M) Final() string {
re := (*_Ctype_unsignedchar)(C.malloc(16))
C.MD5_Final(re, m.ctx)
dst := fmt.Sprintf("%02X", C.GoBytes(unsafe.Pointer(re), 16))
C.free(unsafe.Pointer(re))
return dst
}
func (ctx *MD5Context) Final() ([]byte, error) {
res := make([]byte, C.MD5_DIGEST_LENGTH)
ret := C.MD5_Final((*C.uchar)(unsafe.Pointer(&res[0])), (*C.MD5_CTX)(ctx))
if ret == 0 {
return res, errors.New("Error during MD5 finalize")
}
return res, nil
}
func (d *digest) Sum(in []byte) []byte {
context := *d.context
defer func() { *d.context = context }()
md := make([]byte, Size)
if C.MD5_Final((*_Ctype_unsignedchar)(&md[0]), d.context) == 1 {
return append(in, md...)
}
return nil
}
func (d *digest) Sum(b []byte) []byte {
buf := make([]C.uchar, d.Size())
// make a copy of the pointer, so our context does not get freed.
// this allows further writes.
// TODO perhaps we should think about runtime.SetFinalizer to free the context?
ctxTmp := C.MD5_CTX(d.ctx)
if C.MD5_Final(&buf[0], &ctxTmp) != 1 {
return make([]byte, 0)
}
var result []byte
if b != nil {
result = make([]byte, 0)
} else {
result = b
}
for _, value := range buf {
result = append(result, byte(value))
}
return result
}
func (mh *MD5Hash) Sum(b []byte) []byte {
digest := make([]C.uchar, mh.Size())
// make a copy of the pointer, so our context does not get freed.
// this allows further writes.
// TODO perhaps we should think about runtime.SetFinalizer to free the context?
s_tmp := C.MD5_CTX(mh.md5)
if C.MD5_Final(&digest[0], &s_tmp) != 1 {
// TODO maybe not panic here?
panic("couldn't finalize digest")
}
var result []byte
if b != nil {
result = make([]byte, 0)
} else {
result = b
}
for _, value := range digest {
result = append(result, byte(value))
}
return result
}
