1 files changed, 47 insertions, 0 deletions
diff --git a/Crypto/src/bcpg/sig/SignatureCreationTime.cs b/Crypto/src/bcpg/sig/SignatureCreationTime.cs
new file mode 100644
index 000000000..e6f241f11
--- /dev/null
+++ b/Crypto/src/bcpg/sig/SignatureCreationTime.cs
@@ -0,0 +1,47 @@
+using System;
+
+using Org.BouncyCastle.Utilities.Date;
+
+namespace Org.BouncyCastle.Bcpg.Sig
+{
+ /**
+ * packet giving signature creation time.
+ */
+ public class SignatureCreationTime
+ : SignatureSubpacket
+ {
+ protected static byte[] TimeToBytes(
+ DateTime time)
+ {
+ long t = DateTimeUtilities.DateTimeToUnixMs(time) / 1000L;
+ byte[] data = new byte[4];
+ data[0] = (byte)(t >> 24);
+ data[1] = (byte)(t >> 16);
+ data[2] = (byte)(t >> 8);
+ data[3] = (byte)t;
+ return data;
+ }
+ public SignatureCreationTime(
+ bool critical,
+ byte[] data)
+ : base(SignatureSubpacketTag.CreationTime, critical, data)
+ {
+ }
+ public SignatureCreationTime(
+ bool critical,
+ DateTime date)
+ : base(SignatureSubpacketTag.CreationTime, critical, TimeToBytes(date))
+ {
+ }
+ public DateTime GetTime()
+ {
+ long time = (long)(
+ ((uint)data[0] << 24)
+ | ((uint)data[1] << 16)
+ | ((uint)data[2] << 8)
+ | ((uint)data[3])
+ );
+ return DateTimeUtilities.UnixMsToDateTime(time * 1000L);
+ }
+ }
+}
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