diff options
Diffstat (limited to 'libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go')
| -rw-r--r-- | libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go b/libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go index 0d7bac3f7db..93da7322bc4 100644 --- a/libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go +++ b/libgo/go/golang.org/x/crypto/chacha20poly1305/chacha20poly1305.go @@ -26,6 +26,10 @@ const ( // NonceSizeX is the size of the nonce used with the XChaCha20-Poly1305 // variant of this AEAD, in bytes. NonceSizeX = 24 + + // Overhead is the size of the Poly1305 authentication tag, and the + // difference between a ciphertext length and its plaintext. + Overhead = 16 ) type chacha20poly1305 struct { @@ -47,7 +51,7 @@ func (c *chacha20poly1305) NonceSize() int { } func (c *chacha20poly1305) Overhead() int { - return 16 + return Overhead } func (c *chacha20poly1305) Seal(dst, nonce, plaintext, additionalData []byte) []byte { |