rsa.go
func (rs *RSASigner) VerifyBytes(buf, sig []byte) error {
	var err error

	// check rs.pub
	if rs.pub == nil {
		return ErrMissingPublicKey
	}

	// hash
	h := rs.hash.New()
	_, err = h.Write(buf)
	if err != nil {
		return err
	}

	// verify
	err = rs.method.Verify(rs.pub, rs.hash, h.Sum(nil), sig)
	if err != nil {
		return ErrInvalidSignature
	}

	return nil
}
func (rs *RSASigner) VerifyBytes(buf, sig []byte) error {
	var err error

	// check rs.pub
	if rs.pub == nil {
		return ErrMissingPublicKey
	}

	// hash
	h := rs.hash.New()
	_, err = h.Write(buf)
	if err != nil {
		return err
	}

	// verify
	err = rs.method.Verify(rs.pub, rs.hash, h.Sum(nil), sig)
	if err != nil {
		return ErrInvalidSignature
	}

	return nil
}
func ( rs * RSASigner ) VerifyBytes ( buf , sig [ ] byte ) error { var err error // check rs.pub if rs . pub == nil { return ErrMissingPublicKey } // hash h := rs . hash . New ( ) _ , err = h . Write ( buf ) if err != nil { return err } // verify err = rs . method . Verify ( rs . pub , rs . hash , h . Sum ( nil ) , sig ) if err != nil { return ErrInvalidSignature } return nil }
// VerifyBytes creates a signature for buf, comparing it against the raw sig.
// If the sig is invalid, then ErrInvalidSignature is returned.
VerifyBytes creates a signature for buf comparing it against the raw sig . If the sig is invalid then ErrInvalidSignature is returned .