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package s3crypto
import "crypto/rand"
// CipherDataGenerator handles generating proper key and IVs of proper size for the
// content cipher. CipherDataGenerator will also encrypt the key and store it in
// the CipherData.
type CipherDataGenerator interface {
GenerateCipherData(int, int) (CipherData, error)
}
// CipherDataDecrypter is a handler to decrypt keys from the envelope.
type CipherDataDecrypter interface {
DecryptKey([]byte) ([]byte, error)
}
func generateBytes(n int) []byte {
b := make([]byte, n)
rand.Read(b)
return b
}
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