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symmetric.go
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symmetric.go
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package jwk
import (
"github.com/pkg/errors"
"github.com/open-policy-agent/opa/topdown/internal/jwx/jwa"
)
func newSymmetricKey(key []byte) (*SymmetricKey, error) {
var hdr StandardHeaders
err := hdr.Set(KeyTypeKey, jwa.OctetSeq)
if err != nil {
return nil, errors.Wrapf(err, "Failed to set Key Type")
}
return &SymmetricKey{
StandardHeaders: &hdr,
key: key,
}, nil
}
// Materialize returns the octets for this symmetric key.
// Since this is a symmetric key, this just calls Octets
func (s SymmetricKey) Materialize() (interface{}, error) {
return s.Octets(), nil
}
// Octets returns the octets in the key
func (s SymmetricKey) Octets() []byte {
return s.key
}
// GenerateKey creates a Symmetric key from a RawKeyJSON
func (s *SymmetricKey) GenerateKey(keyJSON *RawKeyJSON) error {
*s = SymmetricKey{
StandardHeaders: &keyJSON.StandardHeaders,
key: keyJSON.K,
}
return nil
}