blockcipher

type AESCTRLayerBlockCipher struct {
	// contains filtered or unexported fields
}

type Finalizer func() (LayerBlockCipherOptions, error)

type LayerBlockCipher interface {
	// GenerateKey creates a symmetric key
	GenerateKey() ([]byte, error)
	// Encrypt takes in layer data and returns the ciphertext and relevant LayerBlockCipherOptions
	Encrypt(layerDataReader io.Reader, opt LayerBlockCipherOptions) (io.Reader, Finalizer, error)
	// Decrypt takes in layer ciphertext data and returns the plaintext and relevant LayerBlockCipherOptions
	Decrypt(layerDataReader io.Reader, opt LayerBlockCipherOptions) (io.Reader, LayerBlockCipherOptions, error)
}

type LayerBlockCipherHandler struct {
	// contains filtered or unexported fields
}

type LayerBlockCipherOptions struct {
	Public  PublicLayerBlockCipherOptions
	Private PrivateLayerBlockCipherOptions
}

type LayerCipherType string

type PrivateLayerBlockCipherOptions struct {
	// SymmetricKey represents the symmetric key used for encryption/decryption
	// This field should be populated by Encrypt/Decrypt calls
	SymmetricKey []byte `json:"symkey"`

	// Digest is the digest of the original data for verification.
	// This is NOT populated by Encrypt/Decrypt calls
	Digest digest.Digest `json:"digest"`

	// CipherOptions contains the cipher metadata used for encryption/decryption
	// This field should be populated by Encrypt/Decrypt calls
	CipherOptions map[string][]byte `json:"cipheroptions"`
}

type PublicLayerBlockCipherOptions struct {
	// CipherType denotes the cipher type according to the list of OCI suppported
	// cipher types.
	CipherType LayerCipherType `json:"cipher"`

	// Hmac contains the hmac string to help verify encryption
	Hmac []byte `json:"hmac"`

	// CipherOptions contains the cipher metadata used for encryption/decryption
	// This field should be populated by Encrypt/Decrypt calls
	CipherOptions map[string][]byte `json:"cipheroptions"`
}