1 files changed, 28 insertions, 0 deletions
diff --git a/Crypto/src/cms/MacOutputStream.cs b/Crypto/src/cms/MacOutputStream.cs
new file mode 100644
index 000000000..8891dbc2c
--- /dev/null
+++ b/Crypto/src/cms/MacOutputStream.cs
@@ -0,0 +1,28 @@
+using System;
+
+using Org.BouncyCastle.Crypto;
+using Org.BouncyCastle.Utilities.IO;
+
+namespace Org.BouncyCastle.Cms
+{
+ internal class MacOutputStream
+ : BaseOutputStream
+ {
+ private readonly IMac mac;
+
+ internal MacOutputStream(IMac mac)
+ {
+ this.mac = mac;
+ }
+
+ public override void Write(byte[] b, int off, int len)
+ {
+ mac.BlockUpdate(b, off, len);
+ }
+
+ public override void WriteByte(byte b)
+ {
+ mac.Update(b);
+ }
+ }
+}
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