v1.0.0

common/crypto/chacha20.go

@@ -0,0 +1,13 @@
+package crypto
+
+import (
+	"crypto/cipher"
+
+	"github.com/xtls/xray-core/v1/common/crypto/internal"
+)
+
+// NewChaCha20Stream creates a new Chacha20 encryption/descryption stream based on give key and IV.
+// Caller must ensure the length of key is 32 bytes, and length of IV is either 8 or 12 bytes.
+func NewChaCha20Stream(key []byte, iv []byte) cipher.Stream {
+	return internal.NewChaCha20Stream(key, iv, 20)
+}