42 lines
1.6 KiB
Go
42 lines
1.6 KiB
Go
package connect
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import (
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"crypto/x509"
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)
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// CAProvider is the interface for Consul to interact with
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// an external CA that provides leaf certificate signing for
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// given SpiffeIDServices.
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type CAProvider interface {
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// Active root returns the currently active root CA for this
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// provider. This should be a parent of the certificate returned by
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// ActiveIntermediate()
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ActiveRoot() (string, error)
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// ActiveIntermediate returns the current signing cert used by this
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// provider for generating SPIFFE leaf certs.
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ActiveIntermediate() (string, error)
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// GenerateIntermediate returns a new intermediate signing cert and
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// sets it to the active intermediate.
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GenerateIntermediate() (string, error)
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// Sign signs a leaf certificate used by Connect proxies from a CSR.
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Sign(*x509.CertificateRequest) (string, error)
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// CrossSignCA must accept a CA certificate signed by another CA's key
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// and cross sign it exactly as it is such that it forms a chain back the the
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// CAProvider's current root. Specifically, the Distinguished Name, Subject
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// Alternative Name, SubjectKeyID and other relevant extensions must be kept.
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// The resulting certificate must have a distinct Serial Number and the
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// AuthorityKeyID set to the CAProvider's current signing key as well as the
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// Issuer related fields changed as necessary. The resulting certificate is
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// returned as a PEM formatted string.
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CrossSignCA(*x509.Certificate) (string, error)
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// Cleanup performs any necessary cleanup that should happen when the provider
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// is shut down permanently, such as removing a temporary PKI backend in Vault
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// created for an intermediate CA.
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Cleanup() error
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}
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