add certificate functionality
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@ -23,6 +23,10 @@ type (
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CertificateRequest x509.CertificateRequest
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)
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func NewCertificateData() *CertificateData {
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return &CertificateData{Subject: pkix.Name{}}
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}
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// Create a certificate sign request from the input data and the private key of
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// the request creator.
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func (c *CertificateData) ToCertificateRequest(private_key PrivateKey) (*CertificateRequest, error) {
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@ -40,16 +44,42 @@ func (c *CertificateData) ToCertificateRequest(private_key PrivateKey) (*Certifi
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// Load a certificate sign request from its asn1 representation.
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func LoadCertificateSignRequest(raw []byte) (*CertificateRequest, error) {
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csr, err = x509.ParseCertificateRequest(csr_asn1)
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csr, err := x509.ParseCertificateRequest(raw)
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if err != nil { return nil, err }
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return (*CertificateRequest)(csr), nil
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}
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// Return the certificate sign request as a pem block.
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func (c *CertificateRequest) MarshalPem() (marshalledPemBlock, error) {
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block := pem.Block{Type: PemLabelCertificateRequest, Bytes: c.Raw}
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block := &pem.Block{Type: PemLabelCertificateRequest, Bytes: c.Raw}
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return pem.EncodeToMemory(block), nil
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}
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func (c *CertificateRequest) ToCertificate() {
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// Convert the certificate sign request to a certificate using the private key
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// of the signer and the certificate of the signer.
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// If the certificate is null, the sign request will be used to sign itself.
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// For more information, please read http://golang.org/pkg/crypto/x509/#CreateCertificate
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func (c *CertificateRequest) ToCertificate(private_key PrivateKey, ca *Certificate) (*Certificate, error) {
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template := &x509.Certificate{}
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template.Subject = c.Subject
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template.DNSNames = c.DNSNames
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template.IPAddresses = c.IPAddresses
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template.EmailAddresses = c.EmailAddresses
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var cert_asn1 []byte
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var err error
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if ca == nil {
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cert_asn1, err = x509.CreateCertificate(rand.Reader, template, template, c.PublicKey, private_key)
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} else {
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cert_asn1, err = x509.CreateCertificate(rand.Reader, template, (*x509.Certificate)(ca), c.PublicKey, private_key)
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}
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if err != nil { return nil, err }
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return LoadCertificate(cert_asn1)
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}
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// Load a certificate from its asn1 representation.
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func LoadCertificate(raw []byte) (*Certificate, error) {
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cert, err := x509.ParseCertificate(raw)
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if err != nil { return nil, err }
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return (*Certificate)(cert), nil
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}
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