crypto

package

v0.0.0-...-45df14b Latest Latest Go to latest Published: Feb 16, 2016 License: Apache-2.0 Imports: 14 Imported by: 0

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func RandomSecret() (string, error)

func RandomThing(byteLength int, checksum bool) (string, error)

type Cryptor interface {
	Encryptor
	Decryptor
}

func NewAES128SHA256(secret []byte) (Cryptor, error)

32-byte secret

func NewChacha20poly1305(secret []byte) (Cryptor, error)

32-byte secret

func NewFromConf(c *common.Conf) (Cryptor, error)

type Decryptor interface {
	Decrypt(io.Reader, io.Writer) error
}

type Encryptor interface {
	Encrypt(io.Reader, io.Writer) error
}

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

func (e *EtmCryptor) Decrypt(r io.Reader, w io.Writer) error

func (e *EtmCryptor) Encrypt(r io.Reader, w io.Writer) error

Encrypts an cleartext input Reader in 1 megabyte chunks.

File Format:

Header: 10 bytes for version and cipher identification.

"distsync01": v1, AEAD_AES_128_CBC_HMAC_SHA_256.
"distsync02": v2, AEAD_CHACHA20_POLY1305

Data block(s):

4-bytes chunk size. (PutUint32)
AEAD encrypted data. (up to `v1maxChunkSize`)

Trailing hash block:

0 byte data block, followed by:
mac []byte: 32 byte HMAC of file's contents.