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Viewing changes to src/org/bouncycastle/bcpg/sig/SignatureCreationTime.java

  • Committer: Brian Thomason
  • Date: 2011-12-20 17:20:32 UTC
  • Revision ID: brian.thomason@canonical.com-20111220172032-rdtm13jgdxtksacr
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src/org/bouncycastle/bcpg/sig/SignatureCreationTime.java
 
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package org.bouncycastle.bcpg.sig;
 
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import java.util.Date;
 
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import org.bouncycastle.bcpg.SignatureSubpacket;
 
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import org.bouncycastle.bcpg.SignatureSubpacketTags;
 
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/**
 
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 * packet giving signature creation time.
 
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 */
 
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public class SignatureCreationTime 
 
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    extends SignatureSubpacket
 
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{
 
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    protected static byte[] timeToBytes(
 
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        Date    date)
 
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    {
 
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        byte[]    data = new byte[4];
 
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        long        t = date.getTime() / 1000;
 
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        data[0] = (byte)(t >> 24);
 
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        data[1] = (byte)(t >> 16);
 
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        data[2] = (byte)(t >> 8);
 
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        data[3] = (byte)t;
 
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        return data;
 
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    }
 
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    public SignatureCreationTime(
 
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        boolean    critical,
 
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        byte[]     data)
 
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    {
 
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        super(SignatureSubpacketTags.CREATION_TIME, critical, data);
 
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    }
 
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    public SignatureCreationTime(
 
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        boolean    critical,
 
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        Date       date)
 
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    {
 
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        super(SignatureSubpacketTags.CREATION_TIME, critical, timeToBytes(date));
 
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    }
 
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    public Date getTime()
 
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    {
 
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        long    time = ((long)(data[0] & 0xff) << 24) | ((data[1] & 0xff) << 16) | ((data[2] & 0xff) << 8) | (data[3] & 0xff);
 
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        return new Date(time * 1000);
 
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    }
 
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}