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package x509util
import (
"crypto"
"crypto/x509"
"crypto/x509/pkix"
"time"
)
// DefaultIntermediateCertValidity is the default validity of a intermediate certificate in the step PKI.
var DefaultIntermediateCertValidity = time.Hour * 24 * 365 * 10
// Intermediate implements the Profile for a intermediate certificate.
type Intermediate struct {
base
}
// DefaultDuration returns the default Intermediate Certificate duration.
func (i *Intermediate) DefaultDuration() time.Duration {
return DefaultIntermediateCertValidity
}
// NewIntermediateProfile returns a new intermediate x509 Certificate profile.
func NewIntermediateProfile(name string, iss *x509.Certificate, issPriv crypto.PrivateKey, withOps ...WithOption) (Profile, error) {
sub := defaultIntermediateTemplate(name)
return newProfile(&Intermediate{}, sub, iss, issPriv, withOps...)
}
func defaultIntermediateTemplate(name string) *x509.Certificate {
notBefore := time.Now()
return &x509.Certificate{
IsCA: true,
NotBefore: notBefore,
NotAfter: notBefore.Add(DefaultIntermediateCertValidity),
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
BasicConstraintsValid: true,
MaxPathLen: 0,
MaxPathLenZero: true,
Issuer: pkix.Name{CommonName: name},
Subject: pkix.Name{CommonName: name},
}
}
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