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certhelper.go
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certhelper.go
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package rsa
import (
"crypto/x509"
"crypto/x509/pkix"
"time"
"github.com/open-component-model/ocm/pkg/signing/signutils"
"github.com/open-component-model/ocm/pkg/utils"
)
func CreateRootCertificate(sub *pkix.Name, validity time.Duration) (*x509.Certificate, *PrivateKey, error) {
capriv, _, err := CreateKeyPair()
if err != nil {
return nil, nil, err
}
spec := &signutils.Specification{
Subject: *sub,
Validity: validity,
CAPrivateKey: capriv,
IsCA: true,
Usages: []interface{}{x509.ExtKeyUsageCodeSigning, x509.KeyUsageDigitalSignature},
}
ca, _, err := signutils.CreateCertificate(spec)
return ca, capriv.(*PrivateKey), err
}
func CreateSigningCertificate(sub *pkix.Name, intermediate signutils.GenericCertificateChain, roots signutils.GenericCertificatePool, capriv signutils.GenericPrivateKey, validity time.Duration, isCA ...bool) (*x509.Certificate, []byte, *PrivateKey, error) {
priv, pub, err := Handler{}.CreateKeyPair()
if err != nil {
return nil, nil, nil, err
}
spec := &signutils.Specification{
IsCA: utils.Optional(isCA...),
Subject: *sub,
Validity: validity,
RootCAs: roots,
CAChain: intermediate,
CAPrivateKey: capriv,
PublicKey: pub,
Usages: []interface{}{x509.ExtKeyUsageCodeSigning, x509.KeyUsageDigitalSignature},
}
cert, pemBytes, err := signutils.CreateCertificate(spec)
if err != nil {
return nil, nil, nil, err
}
return cert, pemBytes, priv.(*PrivateKey), nil
}