Version: v1.28.2 Latest Latest

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Published: Sep 13, 2023 License: Apache-2.0 Imports: 26 Imported by: 25




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const (
	// PrivateKeyBlockType is a possible value for pem.Block.Type.
	PrivateKeyBlockType = "PRIVATE KEY"
	// PublicKeyBlockType is a possible value for pem.Block.Type.
	PublicKeyBlockType = "PUBLIC KEY"
	// CertificateBlockType is a possible value for pem.Block.Type.
	CertificateBlockType = "CERTIFICATE"
	// RSAPrivateKeyBlockType is a possible value for pem.Block.Type.
	RSAPrivateKeyBlockType = "RSA PRIVATE KEY"


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var NewPrivateKey = GeneratePrivateKey

NewPrivateKey returns a new private key.


func CSROrKeyExist

func CSROrKeyExist(csrDir, name string) bool

CSROrKeyExist returns true if one of the CSR or key exists

func CertOrKeyExist

func CertOrKeyExist(pkiPath, name string) bool

CertOrKeyExist returns a boolean whether the cert or the key exists

func CertificateRequestFromFile

func CertificateRequestFromFile(file string) (*x509.CertificateRequest, error)

CertificateRequestFromFile returns the CertificateRequest from a given PEM-encoded file. Returns an error if the file could not be read or if the CSR could not be parsed.

func EncodeCSRPEM

func EncodeCSRPEM(csr *x509.CertificateRequest) []byte

EncodeCSRPEM returns PEM-encoded CSR data

func EncodeCertBundlePEM added in v1.21.0

func EncodeCertBundlePEM(certs []*x509.Certificate) ([]byte, error)

EncodeCertBundlePEM returns PEM-endcoded certificate bundle

func EncodeCertPEM added in v1.14.0

func EncodeCertPEM(cert *x509.Certificate) []byte

EncodeCertPEM returns PEM-endcoded certificate data

func EncodePublicKeyPEM added in v1.14.0

func EncodePublicKeyPEM(key crypto.PublicKey) ([]byte, error)

EncodePublicKeyPEM returns PEM-encoded public data

func GeneratePrivateKey added in v1.21.0

func GeneratePrivateKey(keyType x509.PublicKeyAlgorithm) (crypto.Signer, error)

func GetAPIServerAltNames

func GetAPIServerAltNames(cfg *kubeadmapi.InitConfiguration) (*certutil.AltNames, error)

GetAPIServerAltNames builds an AltNames object for to be used when generating apiserver certificate

func GetEtcdAltNames

func GetEtcdAltNames(cfg *kubeadmapi.InitConfiguration) (*certutil.AltNames, error)

GetEtcdAltNames builds an AltNames object for generating the etcd server certificate. `advertise address` and localhost are included in the SAN since this is the interfaces the etcd static pod listens on. The user can override the listen address with `Etcd.ExtraArgs` and add SANs with `Etcd.ServerCertSANs`.

func GetEtcdPeerAltNames

func GetEtcdPeerAltNames(cfg *kubeadmapi.InitConfiguration) (*certutil.AltNames, error)

GetEtcdPeerAltNames builds an AltNames object for generating the etcd peer certificate. Hostname and `API.AdvertiseAddress` are included if the user chooses to promote the single node etcd cluster into a multi-node one (stacked etcd). The user can override the listen address with `Etcd.ExtraArgs` and add SANs with `Etcd.PeerCertSANs`.

func HasServerAuth

func HasServerAuth(cert *x509.Certificate) bool

HasServerAuth returns true if the given certificate is a ServerAuth

func NewCSR

func NewCSR(cfg CertConfig, key crypto.Signer) (*x509.CertificateRequest, error)

NewCSR creates a new CSR

func NewCSRAndKey

func NewCSRAndKey(config *CertConfig) (*x509.CertificateRequest, crypto.Signer, error)

NewCSRAndKey generates a new key and CSR and that could be signed to create the given certificate

func NewCertAndKey

func NewCertAndKey(caCert *x509.Certificate, caKey crypto.Signer, config *CertConfig) (*x509.Certificate, crypto.Signer, error)

NewCertAndKey creates new certificate and key by passing the certificate authority certificate and key

func NewCertificateAuthority

func NewCertificateAuthority(config *CertConfig) (*x509.Certificate, crypto.Signer, error)

NewCertificateAuthority creates new certificate and private key for the certificate authority

func NewIntermediateCertificateAuthority added in v1.21.0

func NewIntermediateCertificateAuthority(parentCert *x509.Certificate, parentKey crypto.Signer, config *CertConfig) (*x509.Certificate, crypto.Signer, error)

NewIntermediateCertificateAuthority creates new certificate and private key for an intermediate certificate authority

func NewSignedCert added in v1.14.0

func NewSignedCert(cfg *CertConfig, key crypto.Signer, caCert *x509.Certificate, caKey crypto.Signer, isCA bool) (*x509.Certificate, error)

NewSignedCert creates a signed certificate using the given CA certificate and key

func PathsForCertAndKey

func PathsForCertAndKey(pkiPath, name string) (string, string)

PathsForCertAndKey returns the paths for the certificate and key given the path and basename.

func RemoveDuplicateAltNames added in v1.19.0

func RemoveDuplicateAltNames(altNames *certutil.AltNames)

RemoveDuplicateAltNames removes duplicate items in altNames.

func TryLoadCSRAndKeyFromDisk

func TryLoadCSRAndKeyFromDisk(pkiPath, name string) (*x509.CertificateRequest, crypto.Signer, error)

TryLoadCSRAndKeyFromDisk tries to load the CSR and key from the disk

func TryLoadCSRFromDisk added in v1.19.0

func TryLoadCSRFromDisk(pkiPath, name string) (*x509.CertificateRequest, error)

TryLoadCSRFromDisk tries to load the CSR from the disk

func TryLoadCertAndKeyFromDisk

func TryLoadCertAndKeyFromDisk(pkiPath, name string) (*x509.Certificate, crypto.Signer, error)

TryLoadCertAndKeyFromDisk tries to load a cert and a key from the disk and validates that they are valid

func TryLoadCertChainFromDisk added in v1.21.0

func TryLoadCertChainFromDisk(pkiPath, name string) (*x509.Certificate, []*x509.Certificate, error)

TryLoadCertChainFromDisk tries to load the cert chain from the disk

func TryLoadCertFromDisk

func TryLoadCertFromDisk(pkiPath, name string) (*x509.Certificate, error)

TryLoadCertFromDisk tries to load the cert from the disk

func TryLoadKeyFromDisk

func TryLoadKeyFromDisk(pkiPath, name string) (crypto.Signer, error)

TryLoadKeyFromDisk tries to load the key from the disk and validates that it is valid

func TryLoadPrivatePublicKeyFromDisk

func TryLoadPrivatePublicKeyFromDisk(pkiPath, name string) (crypto.PrivateKey, crypto.PublicKey, error)

TryLoadPrivatePublicKeyFromDisk tries to load the key from the disk and validates that it is valid

func ValidateCertPeriod added in v1.20.0

func ValidateCertPeriod(cert *x509.Certificate, offset time.Duration) error

ValidateCertPeriod checks if the certificate is valid relative to the current time (+/- offset)

func VerifyCertChain added in v1.21.0

func VerifyCertChain(cert *x509.Certificate, intermediates []*x509.Certificate, root *x509.Certificate) error

VerifyCertChain verifies that a certificate has a valid chain of intermediate CAs back to the root CA

func WriteCSR

func WriteCSR(csrDir, name string, csr *x509.CertificateRequest) error

WriteCSR writes the pem-encoded CSR data to csrPath. The CSR file will be created with file mode 0600. If the CSR file already exists, it will be overwritten. The parent directory of the csrPath will be created as needed with file mode 0700.

func WriteCert

func WriteCert(pkiPath, name string, cert *x509.Certificate) error

WriteCert stores the given certificate at the given location

func WriteCertAndKey

func WriteCertAndKey(pkiPath string, name string, cert *x509.Certificate, key crypto.Signer) error

WriteCertAndKey stores certificate and key at the specified location

func WriteCertBundle added in v1.21.0

func WriteCertBundle(pkiPath, name string, certs []*x509.Certificate) error

WriteCertBundle stores the given certificate bundle at the given location

func WriteKey

func WriteKey(pkiPath, name string, key crypto.Signer) error

WriteKey stores the given key at the given location

func WritePublicKey

func WritePublicKey(pkiPath, name string, key crypto.PublicKey) error

WritePublicKey stores the given public key at the given location


type CertConfig added in v1.18.0

type CertConfig struct {
	NotAfter           *time.Time
	PublicKeyAlgorithm x509.PublicKeyAlgorithm

CertConfig is a wrapper around certutil.Config extending it with PublicKeyAlgorithm.


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