Golang CheckSignatureの例

コード例 #1

ファイル: selfsign.go プロジェクト: kisom/cfssl

// parseCertificateRequest takes an incoming certificate request and
// builds a certificate template from it.
func parseCertificateRequest(priv crypto.Signer, csrBytes []byte) (template *x509.Certificate, err error) {

	csr, err := x509.ParseCertificateRequest(csrBytes)
	if err != nil {
		err = cferr.Wrap(cferr.CSRError, cferr.ParseFailed, err)
		return
	}

	err = helpers.CheckSignature(csr, csr.SignatureAlgorithm, csr.RawTBSCertificateRequest, csr.Signature)
	if err != nil {
		err = cferr.Wrap(cferr.CSRError, cferr.KeyMismatch, err)
		return
	}

	template = &x509.Certificate{
		Subject:            csr.Subject,
		PublicKeyAlgorithm: csr.PublicKeyAlgorithm,
		PublicKey:          csr.PublicKey,
		SignatureAlgorithm: signer.DefaultSigAlgo(priv),
	}

	return
}

コード例 #2

ファイル: signer.go プロジェクト: kisom/cfssl

// ParseCertificateRequest takes an incoming certificate request and
// builds a certificate template from it.
func ParseCertificateRequest(s Signer, csrBytes []byte) (template *x509.Certificate, err error) {
	csr, err := x509.ParseCertificateRequest(csrBytes)
	if err != nil {
		err = cferr.Wrap(cferr.CSRError, cferr.ParseFailed, err)
		return
	}

	err = helpers.CheckSignature(csr, csr.SignatureAlgorithm, csr.RawTBSCertificateRequest, csr.Signature)
	if err != nil {
		err = cferr.Wrap(cferr.CSRError, cferr.KeyMismatch, err)
		return
	}

	template = &x509.Certificate{
		Subject:            csr.Subject,
		PublicKeyAlgorithm: csr.PublicKeyAlgorithm,
		PublicKey:          csr.PublicKey,
		SignatureAlgorithm: s.SigAlgo(),
		DNSNames:           csr.DNSNames,
		IPAddresses:        csr.IPAddresses,
	}

	return
}