ecc.go
func (es *EccSigner) Mksig(r, s *big.Int) ([]byte, error) {
	var n int

	buf := make([]byte, 2*es.keyLen)

	// copy r into buf
	rb := r.Bytes()
	n = copy(buf[es.keyLen-len(rb):], rb)
	if n != len(rb) {
		return nil, ErrMismatchedBytesCopied
	}

	// copy s into buf
	sb := s.Bytes()
	n = copy(buf[es.keyLen+(es.keyLen-(len(sb))):], sb)
	if n != len(sb) {
		return nil, ErrMismatchedBytesCopied
	}

	return buf, nil
}
func (es *EccSigner) Mksig(r, s *big.Int) ([]byte, error) {
	var n int

	buf := make([]byte, 2*es.keyLen)

	// copy r into buf
	rb := r.Bytes()
	n = copy(buf[es.keyLen-len(rb):], rb)
	if n != len(rb) {
		return nil, ErrMismatchedBytesCopied
	}

	// copy s into buf
	sb := s.Bytes()
	n = copy(buf[es.keyLen+(es.keyLen-(len(sb))):], sb)
	if n != len(sb) {
		return nil, ErrMismatchedBytesCopied
	}

	return buf, nil
}
func ( es * EccSigner ) Mksig ( r , s * big . Int ) ( [ ] byte , error ) { var n int buf := make ( [ ] byte , 2 * es . keyLen ) // copy r into buf rb := r . Bytes ( ) n = copy ( buf [ es . keyLen - len ( rb ) : ] , rb ) if n != len ( rb ) { return nil , ErrMismatchedBytesCopied } // copy s into buf sb := s . Bytes ( ) n = copy ( buf [ es . keyLen + ( es . keyLen - ( len ( sb ) ) ) : ] , sb ) if n != len ( sb ) { return nil , ErrMismatchedBytesCopied } return buf , nil }
// Mksig creates a byte slice of length 2*keyLen, copying the bytes from r and
// s into the slice, left padding r and s to keyLen.
Mksig creates a byte slice of length 2 * keyLen copying the bytes from r and s into the slice left padding r and s to keyLen .