authenc

package

v0.2.0 Latest Latest Go to latest Published: Dec 1, 2018 License: BSD-3-Clause Imports: 9 Imported by: 0

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Repository

github.com/frekui/opaque

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Documentation ¶

Index ¶

Variables
func AuthDec(key []byte, input []byte) ([]byte, error)
func AuthEnc(randr io.Reader, key []byte, plaintext []byte) ([]byte, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var AuthtagMismatch = fmt.Errorf("Authtag mismatch")

AuthtagMismatch is returned by AuthDec if authentication of the ciphertext failed.

Functions ¶

func AuthDec ¶

func AuthDec(key []byte, input []byte) ([]byte, error)

AuthDec performs authenticated decryption of the provided input using the provided key. See AuthEnc for more details.

On success the plaintext is returned together with a nil error.

func AuthEnc ¶

func AuthEnc(randr io.Reader, key []byte, plaintext []byte) ([]byte, error)

AuthEnc performs authenticated encryption of the provided input using the provided key. AES-128 is used in CBC mode with HMAC-SHA256 in encrypt-then-authenticate mode. The output is IV || ciphertext || auth-tag, where "||" is concatenation of byte slices.

On success the ciphertext is returned together with a nil error.

Types ¶

This section is empty.

Source Files ¶

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authenc.go

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