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https://github.com/genuinetools/reg.git
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95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
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package testutil
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import (
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"crypto"
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"crypto/rand"
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"crypto/x509"
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"crypto/x509/pkix"
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"math/big"
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"time"
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)
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// GenerateTrustCA generates a new certificate authority for testing.
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func GenerateTrustCA(pub crypto.PublicKey, priv crypto.PrivateKey) (*x509.Certificate, error) {
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cert := &x509.Certificate{
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SerialNumber: big.NewInt(0),
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Subject: pkix.Name{
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CommonName: "CA Root",
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},
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NotBefore: time.Now().Add(-time.Second),
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NotAfter: time.Now().Add(time.Hour),
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IsCA: true,
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KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
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BasicConstraintsValid: true,
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}
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certDER, err := x509.CreateCertificate(rand.Reader, cert, cert, pub, priv)
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if err != nil {
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return nil, err
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}
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cert, err = x509.ParseCertificate(certDER)
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if err != nil {
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return nil, err
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}
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return cert, nil
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}
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// GenerateIntermediate generates an intermediate certificate for testing using
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// the parent certificate (likely a CA) and the provided keys.
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func GenerateIntermediate(key crypto.PublicKey, parentKey crypto.PrivateKey, parent *x509.Certificate) (*x509.Certificate, error) {
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cert := &x509.Certificate{
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SerialNumber: big.NewInt(0),
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Subject: pkix.Name{
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CommonName: "Intermediate",
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},
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NotBefore: time.Now().Add(-time.Second),
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NotAfter: time.Now().Add(time.Hour),
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IsCA: true,
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KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
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BasicConstraintsValid: true,
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}
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certDER, err := x509.CreateCertificate(rand.Reader, cert, parent, key, parentKey)
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if err != nil {
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return nil, err
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}
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cert, err = x509.ParseCertificate(certDER)
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if err != nil {
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return nil, err
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}
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return cert, nil
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}
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// GenerateTrustCert generates a new trust certificate for testing. Unlike the
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// intermediate certificates, this certificate should be used for signature
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// only, not creating certificates.
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func GenerateTrustCert(key crypto.PublicKey, parentKey crypto.PrivateKey, parent *x509.Certificate) (*x509.Certificate, error) {
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cert := &x509.Certificate{
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SerialNumber: big.NewInt(0),
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Subject: pkix.Name{
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CommonName: "Trust Cert",
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},
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NotBefore: time.Now().Add(-time.Second),
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NotAfter: time.Now().Add(time.Hour),
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IsCA: true,
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KeyUsage: x509.KeyUsageDigitalSignature,
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BasicConstraintsValid: true,
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}
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certDER, err := x509.CreateCertificate(rand.Reader, cert, parent, key, parentKey)
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if err != nil {
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return nil, err
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}
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cert, err = x509.ParseCertificate(certDER)
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if err != nil {
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return nil, err
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}
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return cert, nil
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}
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