Merge branch 'master' into herman/acme-da-subject-check
Herman Slatman
1 year ago
commit
7c632629dd
@ -1,248 +0,0 @@
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package main
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import (
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"context"
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"crypto"
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"crypto/rand"
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"crypto/sha1" //nolint:gosec // used to create the Subject Key Identifier by RFC 5280
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"flag"
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"fmt"
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"math/big"
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"os"
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"time"
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"go.step.sm/cli-utils/fileutil"
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"go.step.sm/cli-utils/ui"
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"go.step.sm/crypto/kms/apiv1"
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"go.step.sm/crypto/kms/awskms"
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"go.step.sm/crypto/pemutil"
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"golang.org/x/crypto/ssh"
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)
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func main() {
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var credentialsFile, region string
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var enableSSH bool
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flag.StringVar(&credentialsFile, "credentials-file", "", "Path to the `file` containing the AWS KMS credentials.")
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flag.StringVar(®ion, "region", "", "AWS KMS region name.")
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flag.BoolVar(&enableSSH, "ssh", false, "Create SSH keys.")
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flag.Usage = usage
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flag.Parse()
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// Initialize windows terminal
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ui.Init()
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ui.Println("⚠️ This command is deprecated and will be removed in future releases.")
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ui.Println("⚠️ Please use https://github.com/smallstep/step-kms-plugin instead.")
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c, err := awskms.New(context.Background(), apiv1.Options{
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Type: apiv1.AmazonKMS,
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Region: region,
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CredentialsFile: credentialsFile,
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})
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if err != nil {
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fatal(err)
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}
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if err := createX509(c); err != nil {
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fatal(err)
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}
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if enableSSH {
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ui.Println()
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if err := createSSH(c); err != nil {
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fatal(err)
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}
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}
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// Reset windows terminal
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ui.Reset()
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}
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func fatal(err error) {
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fmt.Fprintln(os.Stderr, err)
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ui.Reset()
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os.Exit(1)
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}
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func usage() {
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fmt.Fprintln(os.Stderr, "Usage: step-awskms-init")
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fmt.Fprintln(os.Stderr, `
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The step-awskms-init command initializes a public key infrastructure (PKI)
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to be used by step-ca.
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This tool is experimental and in the future it will be integrated in step cli.
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OPTIONS`)
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fmt.Fprintln(os.Stderr)
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flag.PrintDefaults()
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fmt.Fprintf(os.Stderr, `
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COPYRIGHT
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(c) 2018-%d Smallstep Labs, Inc.
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`, time.Now().Year())
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os.Exit(1)
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}
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func createX509(c *awskms.KMS) error {
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ui.Println("Creating X.509 PKI ...")
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// Root Certificate
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resp, err := c.CreateKey(&apiv1.CreateKeyRequest{
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Name: "root",
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SignatureAlgorithm: apiv1.ECDSAWithSHA256,
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})
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if err != nil {
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return err
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}
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signer, err := c.CreateSigner(&resp.CreateSignerRequest)
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if err != nil {
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return err
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}
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now := time.Now()
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root := &x509.Certificate{
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IsCA: true,
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NotBefore: now,
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NotAfter: now.Add(time.Hour * 24 * 365 * 10),
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KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
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BasicConstraintsValid: true,
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MaxPathLen: 1,
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MaxPathLenZero: false,
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Issuer: pkix.Name{CommonName: "Smallstep Root"},
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Subject: pkix.Name{CommonName: "Smallstep Root"},
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SerialNumber: mustSerialNumber(),
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SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
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AuthorityKeyId: mustSubjectKeyID(resp.PublicKey),
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}
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b, err := x509.CreateCertificate(rand.Reader, root, root, resp.PublicKey, signer)
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if err != nil {
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return err
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}
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if err := fileutil.WriteFile("root_ca.crt", pem.EncodeToMemory(&pem.Block{
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Type: "CERTIFICATE",
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Bytes: b,
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}), 0600); err != nil {
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return err
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}
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ui.PrintSelected("Root Key", resp.Name)
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ui.PrintSelected("Root Certificate", "root_ca.crt")
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root, err = pemutil.ReadCertificate("root_ca.crt")
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if err != nil {
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return err
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}
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// Intermediate Certificate
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resp, err = c.CreateKey(&apiv1.CreateKeyRequest{
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Name: "intermediate",
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SignatureAlgorithm: apiv1.ECDSAWithSHA256,
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})
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if err != nil {
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return err
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}
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intermediate := &x509.Certificate{
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IsCA: true,
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NotBefore: now,
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NotAfter: now.Add(time.Hour * 24 * 365 * 10),
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KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
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BasicConstraintsValid: true,
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MaxPathLen: 0,
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MaxPathLenZero: true,
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Issuer: root.Subject,
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Subject: pkix.Name{CommonName: "Smallstep Intermediate"},
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SerialNumber: mustSerialNumber(),
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SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
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}
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b, err = x509.CreateCertificate(rand.Reader, intermediate, root, resp.PublicKey, signer)
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if err != nil {
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return err
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}
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if err := fileutil.WriteFile("intermediate_ca.crt", pem.EncodeToMemory(&pem.Block{
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Type: "CERTIFICATE",
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Bytes: b,
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}), 0600); err != nil {
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return err
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}
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ui.PrintSelected("Intermediate Key", resp.Name)
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ui.PrintSelected("Intermediate Certificate", "intermediate_ca.crt")
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return nil
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}
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func createSSH(c *awskms.KMS) error {
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ui.Println("Creating SSH Keys ...")
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// User Key
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resp, err := c.CreateKey(&apiv1.CreateKeyRequest{
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Name: "ssh-user-key",
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SignatureAlgorithm: apiv1.ECDSAWithSHA256,
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})
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if err != nil {
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return err
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}
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key, err := ssh.NewPublicKey(resp.PublicKey)
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if err != nil {
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return err
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}
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if err := fileutil.WriteFile("ssh_user_ca_key.pub", ssh.MarshalAuthorizedKey(key), 0600); err != nil {
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return err
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}
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ui.PrintSelected("SSH User Public Key", "ssh_user_ca_key.pub")
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ui.PrintSelected("SSH User Private Key", resp.Name)
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// Host Key
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resp, err = c.CreateKey(&apiv1.CreateKeyRequest{
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Name: "ssh-host-key",
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SignatureAlgorithm: apiv1.ECDSAWithSHA256,
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})
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if err != nil {
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return err
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}
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key, err = ssh.NewPublicKey(resp.PublicKey)
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if err != nil {
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return err
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}
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if err := fileutil.WriteFile("ssh_host_ca_key.pub", ssh.MarshalAuthorizedKey(key), 0600); err != nil {
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return err
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}
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ui.PrintSelected("SSH Host Public Key", "ssh_host_ca_key.pub")
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ui.PrintSelected("SSH Host Private Key", resp.Name)
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return nil
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}
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func mustSerialNumber() *big.Int {
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serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
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sn, err := rand.Int(rand.Reader, serialNumberLimit)
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if err != nil {
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panic(err)
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}
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return sn
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}
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func mustSubjectKeyID(key crypto.PublicKey) []byte {
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b, err := x509.MarshalPKIXPublicKey(key)
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if err != nil {
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panic(err)
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}
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//nolint:gosec // used to create the Subject Key Identifier by RFC 5280
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hash := sha1.Sum(b)
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return hash[:]
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}
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@ -1,286 +0,0 @@
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package main
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import (
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"context"
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"crypto"
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"crypto/rand"
|
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"crypto/sha1" //nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
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"crypto/x509"
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"crypto/x509/pkix"
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"encoding/pem"
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"flag"
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"fmt"
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"math/big"
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"os"
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"strings"
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"time"
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"go.step.sm/cli-utils/fileutil"
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"go.step.sm/cli-utils/ui"
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"go.step.sm/crypto/kms/apiv1"
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"go.step.sm/crypto/kms/cloudkms"
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"go.step.sm/crypto/pemutil"
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"golang.org/x/crypto/ssh"
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)
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func main() {
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var credentialsFile string
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var project, location, ring string
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var protectionLevelName string
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var enableSSH bool
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flag.StringVar(&credentialsFile, "credentials-file", "", "Path to the `file` containing the Google's Cloud KMS credentials.")
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flag.StringVar(&project, "project", "", "Google Cloud Project ID.")
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flag.StringVar(&location, "location", "global", "Cloud KMS location name.")
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flag.StringVar(&ring, "ring", "pki", "Cloud KMS ring name.")
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flag.StringVar(&protectionLevelName, "protection-level", "SOFTWARE", "Protection level to use, SOFTWARE or HSM.")
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flag.BoolVar(&enableSSH, "ssh", false, "Create SSH keys.")
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flag.Usage = usage
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flag.Parse()
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switch {
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case project == "":
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usage()
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case location == "":
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fmt.Fprintln(os.Stderr, "flag `--location` is required")
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os.Exit(1)
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case ring == "":
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fmt.Fprintln(os.Stderr, "flag `--ring` is required")
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os.Exit(1)
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case protectionLevelName == "":
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fmt.Fprintln(os.Stderr, "flag `--protection-level` is required")
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os.Exit(1)
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}
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var protectionLevel apiv1.ProtectionLevel
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switch strings.ToUpper(protectionLevelName) {
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case "SOFTWARE":
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protectionLevel = apiv1.Software
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case "HSM":
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protectionLevel = apiv1.HSM
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default:
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fmt.Fprintf(os.Stderr, "invalid value `%s` for flag `--protection-level`; options are `SOFTWARE` or `HSM`\n", protectionLevelName)
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os.Exit(1)
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}
|
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|
||||
// Initialize windows terminal
|
||||
ui.Init()
|
||||
|
||||
ui.Println("⚠️ This command is deprecated and will be removed in future releases.")
|
||||
ui.Println("⚠️ Please use https://github.com/smallstep/step-kms-plugin instead.")
|
||||
|
||||
c, err := cloudkms.New(context.Background(), apiv1.Options{
|
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Type: apiv1.CloudKMS,
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CredentialsFile: credentialsFile,
|
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})
|
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if err != nil {
|
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fatal(err)
|
||||
}
|
||||
|
||||
if err := createPKI(c, project, location, ring, protectionLevel); err != nil {
|
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fatal(err)
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}
|
||||
|
||||
if enableSSH {
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||||
ui.Println()
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||||
if err := createSSH(c, project, location, ring, protectionLevel); err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
}
|
||||
|
||||
// Reset windows terminal
|
||||
ui.Reset()
|
||||
}
|
||||
|
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func fatal(err error) {
|
||||
fmt.Fprintln(os.Stderr, err)
|
||||
ui.Reset()
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func usage() {
|
||||
fmt.Fprintln(os.Stderr, "Usage: step-cloudkms-init --project <name>")
|
||||
fmt.Fprintln(os.Stderr, `
|
||||
The step-cloudkms-init command initializes a public key infrastructure (PKI)
|
||||
to be used by step-ca.
|
||||
|
||||
This tool is experimental and in the future it will be integrated in step cli.
|
||||
|
||||
OPTIONS`)
|
||||
fmt.Fprintln(os.Stderr)
|
||||
flag.PrintDefaults()
|
||||
fmt.Fprintf(os.Stderr, `
|
||||
COPYRIGHT
|
||||
|
||||
(c) 2018-%d Smallstep Labs, Inc.
|
||||
`, time.Now().Year())
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func createPKI(c *cloudkms.CloudKMS, project, location, keyRing string, protectionLevel apiv1.ProtectionLevel) error {
|
||||
ui.Println("Creating PKI ...")
|
||||
|
||||
parent := "projects/" + project + "/locations/" + location + "/keyRings/" + keyRing + "/cryptoKeys"
|
||||
|
||||
// Root Certificate
|
||||
resp, err := c.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: parent + "/root",
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
ProtectionLevel: protectionLevel,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
signer, err := c.CreateSigner(&resp.CreateSignerRequest)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
now := time.Now()
|
||||
root := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 1,
|
||||
MaxPathLenZero: false,
|
||||
Issuer: pkix.Name{CommonName: "Smallstep Root"},
|
||||
Subject: pkix.Name{CommonName: "Smallstep Root"},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
AuthorityKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
}
|
||||
|
||||
b, err := x509.CreateCertificate(rand.Reader, root, root, resp.PublicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("root_ca.crt", pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("Root Key", resp.Name)
|
||||
ui.PrintSelected("Root Certificate", "root_ca.crt")
|
||||
|
||||
root, err = pemutil.ReadCertificate("root_ca.crt")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Intermediate Certificate
|
||||
resp, err = c.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: parent + "/intermediate",
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
ProtectionLevel: protectionLevel,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
intermediate := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 0,
|
||||
MaxPathLenZero: true,
|
||||
Issuer: root.Subject,
|
||||
Subject: pkix.Name{CommonName: "Smallstep Intermediate"},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
}
|
||||
|
||||
b, err = x509.CreateCertificate(rand.Reader, intermediate, root, resp.PublicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("intermediate_ca.crt", pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("Intermediate Key", resp.Name)
|
||||
ui.PrintSelected("Intermediate Certificate", "intermediate_ca.crt")
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func createSSH(c *cloudkms.CloudKMS, project, location, keyRing string, protectionLevel apiv1.ProtectionLevel) error {
|
||||
ui.Println("Creating SSH Keys ...")
|
||||
|
||||
parent := "projects/" + project + "/locations/" + location + "/keyRings/" + keyRing + "/cryptoKeys"
|
||||
|
||||
// User Key
|
||||
resp, err := c.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: parent + "/ssh-user-key",
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
ProtectionLevel: protectionLevel,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
key, err := ssh.NewPublicKey(resp.PublicKey)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("ssh_user_ca_key.pub", ssh.MarshalAuthorizedKey(key), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("SSH User Public Key", "ssh_user_ca_key.pub")
|
||||
ui.PrintSelected("SSH User Private Key", resp.Name)
|
||||
|
||||
// Host Key
|
||||
resp, err = c.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: parent + "/ssh-host-key",
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
ProtectionLevel: protectionLevel,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
key, err = ssh.NewPublicKey(resp.PublicKey)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("ssh_host_ca_key.pub", ssh.MarshalAuthorizedKey(key), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("SSH Host Public Key", "ssh_host_ca_key.pub")
|
||||
ui.PrintSelected("SSH Host Private Key", resp.Name)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func mustSerialNumber() *big.Int {
|
||||
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
|
||||
sn, err := rand.Int(rand.Reader, serialNumberLimit)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return sn
|
||||
}
|
||||
|
||||
func mustSubjectKeyID(key crypto.PublicKey) []byte {
|
||||
b, err := x509.MarshalPKIXPublicKey(key)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
//nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
||||
hash := sha1.Sum(b)
|
||||
return hash[:]
|
||||
}
|
||||
@ -1,553 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto"
|
||||
"crypto/ecdsa"
|
||||
"crypto/elliptic"
|
||||
"crypto/rand"
|
||||
"crypto/sha1" //nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
||||
"crypto/x509"
|
||||
"crypto/x509/pkix"
|
||||
"encoding/pem"
|
||||
"flag"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"os"
|
||||
"runtime"
|
||||
"time"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
"go.step.sm/cli-utils/fileutil"
|
||||
"go.step.sm/cli-utils/ui"
|
||||
"go.step.sm/crypto/kms"
|
||||
"go.step.sm/crypto/kms/apiv1"
|
||||
"go.step.sm/crypto/kms/uri"
|
||||
"go.step.sm/crypto/pemutil"
|
||||
|
||||
// Enable pkcs11.
|
||||
_ "go.step.sm/crypto/kms/pkcs11"
|
||||
)
|
||||
|
||||
// Config is a mapping of the cli flags.
|
||||
type Config struct {
|
||||
KMS string
|
||||
GenerateRoot bool
|
||||
RootObject string
|
||||
RootKeyObject string
|
||||
RootSubject string
|
||||
RootPath string
|
||||
CrtObject string
|
||||
CrtPath string
|
||||
CrtKeyObject string
|
||||
CrtSubject string
|
||||
CrtKeyPath string
|
||||
SSHHostKeyObject string
|
||||
SSHUserKeyObject string
|
||||
RootFile string
|
||||
KeyFile string
|
||||
Pin string
|
||||
PinFile string
|
||||
NoCerts bool
|
||||
EnableSSH bool
|
||||
Force bool
|
||||
Extractable bool
|
||||
}
|
||||
|
||||
// Validate checks the flags in the config.
|
||||
func (c *Config) Validate() error {
|
||||
switch {
|
||||
case c.KMS == "":
|
||||
return errors.New("flag `--kms` is required")
|
||||
case c.CrtPath == "":
|
||||
return errors.New("flag `--crt-cert-path` is required")
|
||||
case c.RootFile != "" && c.KeyFile == "":
|
||||
return errors.New("flag `--root-cert-file` requires flag `--root-key-file`")
|
||||
case c.KeyFile != "" && c.RootFile == "":
|
||||
return errors.New("flag `--root-key-file` requires flag `--root-cert-file`")
|
||||
case c.RootFile == "" && c.RootObject == "":
|
||||
return errors.New("one of flag `--root-cert-file` or `--root-cert-obj` is required")
|
||||
case c.KeyFile == "" && c.RootKeyObject == "":
|
||||
return errors.New("one of flag `--root-key-file` or `--root-key-obj` is required")
|
||||
case c.CrtKeyPath == "" && c.CrtKeyObject == "":
|
||||
return errors.New("one of flag `--crt-key-path` or `--crt-key-obj` is required")
|
||||
case c.RootFile == "" && c.GenerateRoot && c.RootKeyObject == "":
|
||||
return errors.New("flag `--root-gen` requires flag `--root-key-obj`")
|
||||
case c.RootFile == "" && c.GenerateRoot && c.RootPath == "":
|
||||
return errors.New("flag `--root-gen` requires `--root-cert-path`")
|
||||
case c.Pin != "" && c.PinFile != "":
|
||||
return errors.New("Only set one of pin and pin-file")
|
||||
default:
|
||||
if c.RootFile != "" {
|
||||
c.GenerateRoot = false
|
||||
c.RootObject = ""
|
||||
c.RootKeyObject = ""
|
||||
}
|
||||
if c.CrtKeyPath != "" {
|
||||
c.CrtObject = ""
|
||||
c.CrtKeyObject = ""
|
||||
}
|
||||
if !c.EnableSSH {
|
||||
c.SSHHostKeyObject = ""
|
||||
c.SSHUserKeyObject = ""
|
||||
}
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
var kmsuri string
|
||||
switch runtime.GOOS {
|
||||
case "darwin":
|
||||
kmsuri = "pkcs11:module-path=/usr/local/lib/pkcs11/yubihsm_pkcs11.dylib;token=YubiHSM"
|
||||
case "linux":
|
||||
kmsuri = "pkcs11:module-path=/usr/lib/x86_64-linux-gnu/pkcs11/yubihsm_pkcs11.so;token=YubiHSM"
|
||||
case "windows":
|
||||
if home, err := os.UserHomeDir(); err == nil {
|
||||
kmsuri = "pkcs11:module-path=" + home + "\\yubihsm2-sdk\\bin\\yubihsm_pkcs11.dll" + ";token=YubiHSM"
|
||||
}
|
||||
}
|
||||
|
||||
var c Config
|
||||
flag.StringVar(&c.KMS, "kms", kmsuri, "PKCS #11 URI with the module-path and token to connect to the module.")
|
||||
flag.StringVar(&c.Pin, "pin", "", "PKCS #11 PIN")
|
||||
flag.StringVar(&c.PinFile, "pin-file", "", "PKCS #11 PIN File")
|
||||
// Option 1: Generate new root
|
||||
flag.BoolVar(&c.GenerateRoot, "root-gen", true, "Enable the generation of a root key.")
|
||||
flag.StringVar(&c.RootSubject, "root-name", "PKCS #11 Smallstep Root", "Subject and Issuer of the root certificate.")
|
||||
flag.StringVar(&c.RootObject, "root-cert-obj", "pkcs11:id=7330;object=root-cert", "PKCS #11 URI with object id and label to store the root certificate.")
|
||||
flag.StringVar(&c.RootKeyObject, "root-key-obj", "pkcs11:id=7330;object=root-key", "PKCS #11 URI with object id and label to store the root key.")
|
||||
// Option 2: Read root from disk and sign intermediate
|
||||
flag.StringVar(&c.RootFile, "root-cert-file", "", "Path to the root certificate to use.")
|
||||
flag.StringVar(&c.KeyFile, "root-key-file", "", "Path to the root key to use.")
|
||||
// Option 3: Generate certificate signing request
|
||||
flag.StringVar(&c.CrtSubject, "crt-name", "PKCS #11 Smallstep Intermediate", "Subject of the intermediate certificate.")
|
||||
flag.StringVar(&c.CrtObject, "crt-cert-obj", "pkcs11:id=7331;object=intermediate-cert", "PKCS #11 URI with object id and label to store the intermediate certificate.")
|
||||
flag.StringVar(&c.CrtKeyObject, "crt-key-obj", "pkcs11:id=7331;object=intermediate-key", "PKCS #11 URI with object id and label to store the intermediate certificate.")
|
||||
// SSH certificates
|
||||
flag.BoolVar(&c.EnableSSH, "ssh", false, "Enable the creation of ssh keys.")
|
||||
flag.StringVar(&c.SSHHostKeyObject, "ssh-host-key", "pkcs11:id=7332;object=ssh-host-key", "PKCS #11 URI with object id and label to store the key used to sign SSH host certificates.")
|
||||
flag.StringVar(&c.SSHUserKeyObject, "ssh-user-key", "pkcs11:id=7333;object=ssh-user-key", "PKCS #11 URI with object id and label to store the key used to sign SSH user certificates.")
|
||||
// Output files
|
||||
flag.StringVar(&c.RootPath, "root-cert-path", "root_ca.crt", "Location to write the root certificate.")
|
||||
flag.StringVar(&c.CrtPath, "crt-cert-path", "intermediate_ca.crt", "Location to write the intermediate certificate.")
|
||||
flag.StringVar(&c.CrtKeyPath, "crt-key-path", "", "Location to write the intermediate private key.")
|
||||
// Others
|
||||
flag.BoolVar(&c.NoCerts, "no-certs", false, "Do not store certificates in the module.")
|
||||
flag.BoolVar(&c.Force, "force", false, "Force the delete of previous keys.")
|
||||
flag.BoolVar(&c.Extractable, "extractable", false, "Allow export of private keys under wrap.")
|
||||
flag.Usage = usage
|
||||
flag.Parse()
|
||||
|
||||
if err := c.Validate(); err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
u, err := uri.ParseWithScheme("pkcs11", c.KMS)
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
// Initialize windows terminal
|
||||
ui.Init()
|
||||
|
||||
ui.Println("⚠️ This command is deprecated and will be removed in future releases.")
|
||||
ui.Println("⚠️ Please use https://github.com/smallstep/step-kms-plugin instead.")
|
||||
|
||||
switch {
|
||||
case u.Get("pin-value") != "":
|
||||
case u.Get("pin-source") != "":
|
||||
case c.Pin != "":
|
||||
case c.PinFile != "":
|
||||
content, err := os.ReadFile(c.PinFile)
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
c.Pin = string(content)
|
||||
|
||||
default:
|
||||
pin, err := ui.PromptPassword("What is the PKCS#11 PIN?")
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
c.Pin = string(pin)
|
||||
}
|
||||
|
||||
k, err := kms.New(context.Background(), apiv1.Options{
|
||||
Type: apiv1.PKCS11,
|
||||
URI: c.KMS,
|
||||
Pin: c.Pin,
|
||||
})
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
defer func() {
|
||||
_ = k.Close()
|
||||
}()
|
||||
|
||||
// Check if the slots are empty, fail if they are not
|
||||
certUris := []string{
|
||||
c.RootObject, c.CrtObject,
|
||||
}
|
||||
keyUris := []string{
|
||||
c.RootKeyObject, c.CrtKeyObject,
|
||||
c.SSHHostKeyObject, c.SSHUserKeyObject,
|
||||
}
|
||||
if !c.Force {
|
||||
for _, u := range certUris {
|
||||
if u != "" && !c.NoCerts {
|
||||
checkObject(k, u)
|
||||
checkCertificate(k, u)
|
||||
}
|
||||
}
|
||||
for _, u := range keyUris {
|
||||
if u != "" {
|
||||
checkObject(k, u)
|
||||
}
|
||||
}
|
||||
} else {
|
||||
deleter, ok := k.(interface {
|
||||
DeleteKey(uri string) error
|
||||
DeleteCertificate(uri string) error
|
||||
})
|
||||
if ok {
|
||||
for _, u := range certUris {
|
||||
if u != "" && !c.NoCerts {
|
||||
// Some HSMs like Nitrokey will overwrite the key with the
|
||||
// certificate label.
|
||||
if err := deleter.DeleteKey(u); err != nil {
|
||||
fatalClose(err, k)
|
||||
}
|
||||
if err := deleter.DeleteCertificate(u); err != nil {
|
||||
fatalClose(err, k)
|
||||
}
|
||||
}
|
||||
}
|
||||
for _, u := range keyUris {
|
||||
if u != "" {
|
||||
if err := deleter.DeleteKey(u); err != nil {
|
||||
fatalClose(err, k)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if err := createPKI(k, c); err != nil {
|
||||
fatalClose(err, k)
|
||||
}
|
||||
|
||||
// Reset windows terminal
|
||||
ui.Reset()
|
||||
}
|
||||
|
||||
func fatal(err error) {
|
||||
if os.Getenv("STEPDEBUG") == "1" {
|
||||
fmt.Fprintf(os.Stderr, "%+v\n", err)
|
||||
} else {
|
||||
fmt.Fprintln(os.Stderr, err)
|
||||
}
|
||||
ui.Reset()
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func fatalClose(err error, k kms.KeyManager) {
|
||||
_ = k.Close()
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
func usage() {
|
||||
fmt.Fprintln(os.Stderr, "Usage: step-pkcs11-init")
|
||||
fmt.Fprintln(os.Stderr, `
|
||||
The step-pkcs11-init command initializes a public key infrastructure (PKI)
|
||||
to be used by step-ca.
|
||||
|
||||
This tool is experimental and in the future it will be integrated in step cli.
|
||||
|
||||
OPTIONS`)
|
||||
fmt.Fprintln(os.Stderr)
|
||||
flag.PrintDefaults()
|
||||
fmt.Fprintf(os.Stderr, `
|
||||
COPYRIGHT
|
||||
|
||||
(c) 2018-%d Smallstep Labs, Inc.
|
||||
`, time.Now().Year())
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func checkCertificate(k kms.KeyManager, rawuri string) {
|
||||
if cm, ok := k.(kms.CertificateManager); ok {
|
||||
if _, err := cm.LoadCertificate(&apiv1.LoadCertificateRequest{
|
||||
Name: rawuri,
|
||||
}); err == nil {
|
||||
fmt.Fprintf(os.Stderr, "⚠️ Your PKCS #11 module already has a certificate on %s.\n", rawuri)
|
||||
fmt.Fprintln(os.Stderr, " If you want to delete it and start fresh, use `--force`.")
|
||||
_ = k.Close()
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func checkObject(k kms.KeyManager, rawuri string) {
|
||||
if _, err := k.GetPublicKey(&apiv1.GetPublicKeyRequest{
|
||||
Name: rawuri,
|
||||
}); err == nil {
|
||||
fmt.Fprintf(os.Stderr, "⚠️ Your PKCS #11 module already has a key on %s.\n", rawuri)
|
||||
fmt.Fprintln(os.Stderr, " If you want to delete it and start fresh, use `--force`.")
|
||||
_ = k.Close()
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func createPKI(k kms.KeyManager, c Config) error {
|
||||
var err error
|
||||
ui.Println("Creating PKI ...")
|
||||
now := time.Now()
|
||||
|
||||
// Root Certificate
|
||||
var signer crypto.Signer
|
||||
var root *x509.Certificate
|
||||
switch {
|
||||
case c.GenerateRoot:
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.RootKeyObject,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
Extractable: c.Extractable,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
signer, err = k.CreateSigner(&resp.CreateSignerRequest)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
template := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 1,
|
||||
MaxPathLenZero: false,
|
||||
Issuer: pkix.Name{CommonName: c.RootSubject},
|
||||
Subject: pkix.Name{CommonName: c.RootSubject},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
AuthorityKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
}
|
||||
|
||||
b, err := x509.CreateCertificate(rand.Reader, template, template, resp.PublicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
root, err = x509.ParseCertificate(b)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error parsing root certificate")
|
||||
}
|
||||
|
||||
if cm, ok := k.(kms.CertificateManager); ok && c.RootObject != "" && !c.NoCerts {
|
||||
if err := cm.StoreCertificate(&apiv1.StoreCertificateRequest{
|
||||
Name: c.RootObject,
|
||||
Certificate: root,
|
||||
Extractable: c.Extractable,
|
||||
}); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
c.RootObject = ""
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile(c.RootPath, pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("Root Key", resp.Name)
|
||||
ui.PrintSelected("Root Certificate", c.RootPath)
|
||||
if c.RootObject != "" {
|
||||
ui.PrintSelected("Root Certificate Object", c.RootObject)
|
||||
}
|
||||
case c.RootFile != "" && c.KeyFile != "": // Read Root From File
|
||||
root, err = pemutil.ReadCertificate(c.RootFile)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
key, err := pemutil.Read(c.KeyFile)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var ok bool
|
||||
if signer, ok = key.(crypto.Signer); !ok {
|
||||
return errors.Errorf("key type '%T' does not implement a signer", key)
|
||||
}
|
||||
}
|
||||
|
||||
// Intermediate Certificate
|
||||
var keyName string
|
||||
var publicKey crypto.PublicKey
|
||||
var intSigner crypto.Signer
|
||||
if c.CrtKeyPath != "" {
|
||||
priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error creating intermediate key")
|
||||
}
|
||||
|
||||
pass, err := ui.PromptPasswordGenerate("What do you want your password to be? [leave empty and we'll generate one]",
|
||||
ui.WithRichPrompt())
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_, err = pemutil.Serialize(priv, pemutil.WithPassword(pass), pemutil.ToFile(c.CrtKeyPath, 0600))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
publicKey = priv.Public()
|
||||
intSigner = priv
|
||||
} else {
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.CrtKeyObject,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
Extractable: c.Extractable,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
publicKey = resp.PublicKey
|
||||
keyName = resp.Name
|
||||
|
||||
intSigner, err = k.CreateSigner(&resp.CreateSignerRequest)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if root != nil {
|
||||
template := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 0,
|
||||
MaxPathLenZero: true,
|
||||
Issuer: root.Subject,
|
||||
Subject: pkix.Name{CommonName: c.CrtSubject},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(publicKey),
|
||||
}
|
||||
|
||||
b, err := x509.CreateCertificate(rand.Reader, template, root, publicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
intermediate, err := x509.ParseCertificate(b)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error parsing intermediate certificate")
|
||||
}
|
||||
|
||||
if cm, ok := k.(kms.CertificateManager); ok && c.CrtObject != "" && !c.NoCerts {
|
||||
if err := cm.StoreCertificate(&apiv1.StoreCertificateRequest{
|
||||
Name: c.CrtObject,
|
||||
Certificate: intermediate,
|
||||
Extractable: c.Extractable,
|
||||
}); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
c.CrtObject = ""
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile(c.CrtPath, pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
} else {
|
||||
// No root available, generate CSR for external root.
|
||||
csrTemplate := x509.CertificateRequest{
|
||||
Subject: pkix.Name{CommonName: c.CrtSubject},
|
||||
SignatureAlgorithm: x509.ECDSAWithSHA256,
|
||||
}
|
||||
// step: generate the csr request
|
||||
csrCertificate, err := x509.CreateCertificateRequest(rand.Reader, &csrTemplate, intSigner)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
if err := fileutil.WriteFile(c.CrtPath, pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE REQUEST",
|
||||
Bytes: csrCertificate,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if c.CrtKeyPath != "" {
|
||||
ui.PrintSelected("Intermediate Key", c.CrtKeyPath)
|
||||
} else {
|
||||
ui.PrintSelected("Intermediate Key", keyName)
|
||||
}
|
||||
|
||||
if root != nil {
|
||||
ui.PrintSelected("Intermediate Certificate", c.CrtPath)
|
||||
if c.CrtObject != "" {
|
||||
ui.PrintSelected("Intermediate Certificate Object", c.CrtObject)
|
||||
}
|
||||
} else {
|
||||
ui.PrintSelected("Intermediate Certificate Request", c.CrtPath)
|
||||
}
|
||||
|
||||
if c.SSHHostKeyObject != "" {
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.SSHHostKeyObject,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ui.PrintSelected("SSH Host Key", resp.Name)
|
||||
}
|
||||
|
||||
if c.SSHUserKeyObject != "" {
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.SSHUserKeyObject,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
ui.PrintSelected("SSH User Key", resp.Name)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func mustSerialNumber() *big.Int {
|
||||
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
|
||||
sn, err := rand.Int(rand.Reader, serialNumberLimit)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return sn
|
||||
}
|
||||
|
||||
func mustSubjectKeyID(key crypto.PublicKey) []byte {
|
||||
b, err := x509.MarshalPKIXPublicKey(key)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
//nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
||||
hash := sha1.Sum(b)
|
||||
return hash[:]
|
||||
}
|
||||
@ -1,355 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto"
|
||||
"crypto/ecdsa"
|
||||
"crypto/elliptic"
|
||||
"crypto/rand"
|
||||
"crypto/sha1" //nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
||||
"crypto/x509"
|
||||
"crypto/x509/pkix"
|
||||
"encoding/hex"
|
||||
"encoding/pem"
|
||||
"flag"
|
||||
"fmt"
|
||||
"math/big"
|
||||
"os"
|
||||
"time"
|
||||
|
||||
"github.com/pkg/errors"
|
||||
"go.step.sm/cli-utils/fileutil"
|
||||
"go.step.sm/cli-utils/ui"
|
||||
"go.step.sm/crypto/kms"
|
||||
"go.step.sm/crypto/kms/apiv1"
|
||||
"go.step.sm/crypto/pemutil"
|
||||
|
||||
// Enable yubikey.
|
||||
_ "go.step.sm/crypto/kms/yubikey"
|
||||
)
|
||||
|
||||
// Config is a mapping of the cli flags.
|
||||
type Config struct {
|
||||
RootOnly bool
|
||||
RootSlot string
|
||||
CrtSlot string
|
||||
RootFile string
|
||||
KeyFile string
|
||||
Pin string
|
||||
ManagementKey string
|
||||
Force bool
|
||||
}
|
||||
|
||||
// Validate checks the flags in the config.
|
||||
func (c *Config) Validate() error {
|
||||
switch {
|
||||
case c.ManagementKey != "" && len(c.ManagementKey) != 48:
|
||||
return errors.New("flag `--management-key` must be 48 hexadecimal characters (24 bytes)")
|
||||
case c.RootFile != "" && c.KeyFile == "":
|
||||
return errors.New("flag `--root` requires flag `--key`")
|
||||
case c.KeyFile != "" && c.RootFile == "":
|
||||
return errors.New("flag `--key` requires flag `--root`")
|
||||
case c.RootOnly && c.RootFile != "":
|
||||
return errors.New("flag `--root-only` is incompatible with flag `--root`")
|
||||
case c.RootSlot == c.CrtSlot:
|
||||
return errors.New("flag `--root-slot` and flag `--crt-slot` cannot be the same")
|
||||
case c.RootFile == "" && c.RootSlot == "":
|
||||
return errors.New("one of flag `--root` or `--root-slot` is required")
|
||||
default:
|
||||
if c.RootFile != "" {
|
||||
c.RootSlot = ""
|
||||
}
|
||||
if c.RootOnly {
|
||||
c.CrtSlot = ""
|
||||
}
|
||||
if c.ManagementKey != "" {
|
||||
if _, err := hex.DecodeString(c.ManagementKey); err != nil {
|
||||
return errors.Wrap(err, "flag `--management-key` is not valid")
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
var c Config
|
||||
flag.StringVar(&c.ManagementKey, "management-key", "", `Management key to use in hexadecimal format. (default "010203040506070801020304050607080102030405060708")`)
|
||||
flag.BoolVar(&c.RootOnly, "root-only", false, "Slot only the root certificate and sign and intermediate.")
|
||||
flag.StringVar(&c.RootSlot, "root-slot", "9a", "Slot to store the root certificate.")
|
||||
flag.StringVar(&c.CrtSlot, "crt-slot", "9c", "Slot to store the intermediate certificate.")
|
||||
flag.StringVar(&c.RootFile, "root", "", "Path to the root certificate to use.")
|
||||
flag.StringVar(&c.KeyFile, "key", "", "Path to the root key to use.")
|
||||
flag.BoolVar(&c.Force, "force", false, "Force the delete of previous keys.")
|
||||
flag.Usage = usage
|
||||
flag.Parse()
|
||||
|
||||
if err := c.Validate(); err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
// Initialize windows terminal
|
||||
ui.Init()
|
||||
|
||||
ui.Println("⚠️ This command is deprecated and will be removed in future releases.")
|
||||
ui.Println("⚠️ Please use https://github.com/smallstep/step-kms-plugin instead.")
|
||||
|
||||
pin, err := ui.PromptPassword("What is the YubiKey PIN?")
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
c.Pin = string(pin)
|
||||
|
||||
k, err := kms.New(context.Background(), apiv1.Options{
|
||||
Type: apiv1.YubiKey,
|
||||
Pin: c.Pin,
|
||||
ManagementKey: c.ManagementKey,
|
||||
})
|
||||
if err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
// Check if the slots are empty, fail if they are not
|
||||
if !c.Force {
|
||||
switch {
|
||||
case c.RootSlot != "":
|
||||
checkSlot(k, c.RootSlot)
|
||||
case c.CrtSlot != "":
|
||||
checkSlot(k, c.CrtSlot)
|
||||
}
|
||||
}
|
||||
|
||||
if err := createPKI(k, c); err != nil {
|
||||
fatal(err)
|
||||
}
|
||||
|
||||
defer func() {
|
||||
_ = k.Close()
|
||||
}()
|
||||
|
||||
// Reset windows terminal
|
||||
ui.Reset()
|
||||
}
|
||||
|
||||
func fatal(err error) {
|
||||
if os.Getenv("STEPDEBUG") == "1" {
|
||||
fmt.Fprintf(os.Stderr, "%+v\n", err)
|
||||
} else {
|
||||
fmt.Fprintln(os.Stderr, err)
|
||||
}
|
||||
ui.Reset()
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func usage() {
|
||||
fmt.Fprintln(os.Stderr, "Usage: step-yubikey-init")
|
||||
fmt.Fprintln(os.Stderr, `
|
||||
The step-yubikey-init command initializes a public key infrastructure (PKI)
|
||||
to be used by step-ca.
|
||||
|
||||
This tool is experimental and in the future it will be integrated in step cli.
|
||||
|
||||
OPTIONS`)
|
||||
fmt.Fprintln(os.Stderr)
|
||||
flag.PrintDefaults()
|
||||
fmt.Fprintf(os.Stderr, `
|
||||
COPYRIGHT
|
||||
|
||||
(c) 2018-%d Smallstep Labs, Inc.
|
||||
`, time.Now().Year())
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func checkSlot(k kms.KeyManager, slot string) {
|
||||
if _, err := k.GetPublicKey(&apiv1.GetPublicKeyRequest{
|
||||
Name: slot,
|
||||
}); err == nil {
|
||||
fmt.Fprintf(os.Stderr, "⚠️ Your YubiKey already has a key in the slot %s.\n", slot)
|
||||
fmt.Fprintln(os.Stderr, " If you want to delete it and start fresh, use `--force`.")
|
||||
os.Exit(1)
|
||||
}
|
||||
}
|
||||
|
||||
func createPKI(k kms.KeyManager, c Config) error {
|
||||
var err error
|
||||
ui.Println("Creating PKI ...")
|
||||
now := time.Now()
|
||||
|
||||
// Root Certificate
|
||||
var signer crypto.Signer
|
||||
var root *x509.Certificate
|
||||
if c.RootFile != "" && c.KeyFile != "" {
|
||||
root, err = pemutil.ReadCertificate(c.RootFile)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
key, err := pemutil.Read(c.KeyFile)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
var ok bool
|
||||
if signer, ok = key.(crypto.Signer); !ok {
|
||||
return errors.Errorf("key type '%T' does not implement a signer", key)
|
||||
}
|
||||
} else {
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.RootSlot,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
signer, err = k.CreateSigner(&resp.CreateSignerRequest)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
template := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 1,
|
||||
MaxPathLenZero: false,
|
||||
Issuer: pkix.Name{CommonName: "YubiKey Smallstep Root"},
|
||||
Subject: pkix.Name{CommonName: "YubiKey Smallstep Root"},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
AuthorityKeyId: mustSubjectKeyID(resp.PublicKey),
|
||||
}
|
||||
|
||||
b, err := x509.CreateCertificate(rand.Reader, template, template, resp.PublicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
root, err = x509.ParseCertificate(b)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error parsing root certificate")
|
||||
}
|
||||
|
||||
if cm, ok := k.(kms.CertificateManager); ok {
|
||||
if err := cm.StoreCertificate(&apiv1.StoreCertificateRequest{
|
||||
Name: c.RootSlot,
|
||||
Certificate: root,
|
||||
}); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("root_ca.crt", pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
ui.PrintSelected("Root Key", resp.Name)
|
||||
ui.PrintSelected("Root Certificate", "root_ca.crt")
|
||||
}
|
||||
|
||||
// Intermediate Certificate
|
||||
var keyName string
|
||||
var publicKey crypto.PublicKey
|
||||
if c.RootOnly {
|
||||
priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error creating intermediate key")
|
||||
}
|
||||
|
||||
pass, err := ui.PromptPasswordGenerate("What do you want your password to be? [leave empty and we'll generate one]",
|
||||
ui.WithRichPrompt())
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
_, err = pemutil.Serialize(priv, pemutil.WithPassword(pass), pemutil.ToFile("intermediate_ca_key", 0600))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
publicKey = priv.Public()
|
||||
} else {
|
||||
resp, err := k.CreateKey(&apiv1.CreateKeyRequest{
|
||||
Name: c.CrtSlot,
|
||||
SignatureAlgorithm: apiv1.ECDSAWithSHA256,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
publicKey = resp.PublicKey
|
||||
keyName = resp.Name
|
||||
}
|
||||
|
||||
template := &x509.Certificate{
|
||||
IsCA: true,
|
||||
NotBefore: now,
|
||||
NotAfter: now.Add(time.Hour * 24 * 365 * 10),
|
||||
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
|
||||
BasicConstraintsValid: true,
|
||||
MaxPathLen: 0,
|
||||
MaxPathLenZero: true,
|
||||
Issuer: root.Subject,
|
||||
Subject: pkix.Name{CommonName: "YubiKey Smallstep Intermediate"},
|
||||
SerialNumber: mustSerialNumber(),
|
||||
SubjectKeyId: mustSubjectKeyID(publicKey),
|
||||
}
|
||||
|
||||
b, err := x509.CreateCertificate(rand.Reader, template, root, publicKey, signer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
intermediate, err := x509.ParseCertificate(b)
|
||||
if err != nil {
|
||||
return errors.Wrap(err, "error parsing intermediate certificate")
|
||||
}
|
||||
|
||||
if cm, ok := k.(kms.CertificateManager); ok {
|
||||
if err := cm.StoreCertificate(&apiv1.StoreCertificateRequest{
|
||||
Name: c.CrtSlot,
|
||||
Certificate: intermediate,
|
||||
}); err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
if err := fileutil.WriteFile("intermediate_ca.crt", pem.EncodeToMemory(&pem.Block{
|
||||
Type: "CERTIFICATE",
|
||||
Bytes: b,
|
||||
}), 0600); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if c.RootOnly {
|
||||
ui.PrintSelected("Intermediate Key", "intermediate_ca_key")
|
||||
} else {
|
||||
ui.PrintSelected("Intermediate Key", keyName)
|
||||
}
|
||||
|
||||
ui.PrintSelected("Intermediate Certificate", "intermediate_ca.crt")
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func mustSerialNumber() *big.Int {
|
||||
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
|
||||
sn, err := rand.Int(rand.Reader, serialNumberLimit)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return sn
|
||||
}
|
||||
|
||||
func mustSubjectKeyID(key crypto.PublicKey) []byte {
|
||||
b, err := x509.MarshalPKIXPublicKey(key)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
//nolint:gosec // used to create the Subject Key Identifier by RFC 5280
|
||||
hash := sha1.Sum(b)
|
||||
return hash[:]
|
||||
}
|
||||
Loading…
Reference in New Issue