kubernetes/staging/src/k8s.io/apiserver/pkg/storage/value/encrypt/aes/cache.go

type simpleCache …

func newSimpleCache(clock clock.Clock, ttl time.Duration) *simpleCache { … }

// given a key, return the transformer, or nil if it does not exist in the cache
func (c *simpleCache) get(info []byte, dataCtx value.Context) *transformerWithInfo { … }

// set caches the record for the key
func (c *simpleCache) set(dataCtx value.Context, transformer *transformerWithInfo) { … }

func keyFunc(dataCtx value.Context) string { … }

// toString performs unholy acts to avoid allocations
func toString(b []byte) string { … }