chacha20

package

v0.5.1 Latest Latest Go to latest Published: Dec 19, 2025 License: MIT Imports: 5 Imported by: 0

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var ErrMissmatchedNonceSize = errors.New("missmatched nonce size")

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

func NewEncrypter(key []byte) (*Encrypter, error)

NewEncrypter creates a new ChaCha20-Poly1305 encrypter. Key must be exactly 32 bytes.

func (e *Encrypter) Decrypt(value []byte) ([]byte, error)

Decrypt decrypts the ciphertext using ChaCha20-Poly1305. Expects nonce to be prepended to ciphertext.

func (e *Encrypter) Encrypt(value []byte) ([]byte, error)

Encrypt encrypts the plaintext using ChaCha20-Poly1305. Returns ciphertext with nonce prepended.