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106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
package apiv1
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import (
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"crypto"
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"crypto/x509"
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"strings"
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"github.com/pkg/errors"
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)
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// KeyManager is the interface implemented by all the KMS.
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type KeyManager interface {
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GetPublicKey(req *GetPublicKeyRequest) (crypto.PublicKey, error)
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CreateKey(req *CreateKeyRequest) (*CreateKeyResponse, error)
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CreateSigner(req *CreateSignerRequest) (crypto.Signer, error)
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Close() error
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}
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// CertificateManager is the interface implemented by the KMS that can load and
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// store x509.Certificates.
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type CertificateManager interface {
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LoadCertificate(req *LoadCertificateRequest) (*x509.Certificate, error)
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StoreCertificate(req *StoreCertificateRequest) error
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}
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// ErrNotImplemented is the type of error returned if an operation is not
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// implemented.
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type ErrNotImplemented struct {
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msg string
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}
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func (e ErrNotImplemented) Error() string {
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if e.msg != "" {
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return e.msg
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}
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return "not implemented"
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}
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// Type represents the KMS type used.
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type Type string
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const (
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// DefaultKMS is a KMS implementation using software.
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DefaultKMS Type = ""
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// SoftKMS is a KMS implementation using software.
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SoftKMS Type = "softkms"
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// CloudKMS is a KMS implementation using Google's Cloud KMS.
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CloudKMS Type = "cloudkms"
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// AmazonKMS is a KMS implementation using Amazon AWS KMS.
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AmazonKMS Type = "awskms"
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// PKCS11 is a KMS implementation using the PKCS11 standard.
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PKCS11 Type = "pkcs11"
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// YubiKey is a KMS implementation using a YubiKey PIV.
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YubiKey Type = "yubikey"
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// SSHAgentKMS is a KMS implementation using ssh-agent to access keys.
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SSHAgentKMS Type = "sshagentkms"
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)
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// Options are the KMS options. They represent the kms object in the ca.json.
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type Options struct {
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// The type of the KMS to use.
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Type string `json:"type"`
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// Path to the credentials file used in CloudKMS and AmazonKMS.
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CredentialsFile string `json:"credentialsFile"`
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// Path to the module used with PKCS11 KMS.
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Module string `json:"module"`
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// Pin used to access the PKCS11 module.
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Pin string `json:"pin"`
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// ManagementKey used in YubiKeys. Default management key is the hexadecimal
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// string 010203040506070801020304050607080102030405060708:
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// []byte{
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// 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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// 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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// 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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// }
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ManagementKey string `json:"managementKey"`
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// Region to use in AmazonKMS.
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Region string `json:"region"`
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// Profile to use in AmazonKMS.
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Profile string `json:"profile"`
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}
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// Validate checks the fields in Options.
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func (o *Options) Validate() error {
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if o == nil {
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return nil
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}
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switch Type(strings.ToLower(o.Type)) {
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case DefaultKMS, SoftKMS, CloudKMS, AmazonKMS, SSHAgentKMS:
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case YubiKey:
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case PKCS11:
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return ErrNotImplemented{"support for PKCS11 is not yet implemented"}
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default:
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return errors.Errorf("unsupported kms type %s", o.Type)
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}
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return nil
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}
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