func (d *digest) Write(msg []byte) (n int, err error) {
size := C.size_t(len(msg))
if C.SHA1_Update(&d.ctx, unsafe.Pointer(C.CString(string(msg))), size) != 1 {
return 0, sslerr.Error()
}
return len(msg), nil
}
func (h *sha1) Write(p []byte) (n int, err error) {
l := len(p)
if C.SHA1_Update(&h.ctx, unsafe.Pointer(&p[0]), C.size_t(l)) == 0 {
panic("SHA1_Update failed")
}
return l, nil
}
func (self *SHA1Hash) Write(msg []byte) (n int, err error) {
size := C.size_t(len(msg))
if C.SHA1_Update(&self.sha, unsafe.Pointer(C.CString(string(msg))), size) != 1 {
panic("problem updating hash")
}
return len(msg), nil
}
func (d *digest) Write(p []byte) (nn int, err error) {
if len(p) == 0 || C.SHA1_Update(d.context, unsafe.Pointer(&p[0]),
C.size_t(len(p))) == 1 {
return len(p), nil
}
return 0, errors.New("SHA1_Update failed")
}
// TODO: Is this pointer safe from GC?
func (ctx *ShaContext) Update(data []byte) {
C.SHA1_Update((*C.SHA_CTX)(ctx), unsafe.Pointer(&data[0]), C.size_t(len(data)))
}