Bouncy Castle Cryptography 1.33

org.bouncycastle.bcpg
Class SignaturePacket

java.lang.Object
  extended byorg.bouncycastle.bcpg.Packet
      extended byorg.bouncycastle.bcpg.ContainedPacket
          extended byorg.bouncycastle.bcpg.SignaturePacket
All Implemented Interfaces:
PacketTags, PublicKeyAlgorithmTags

public class SignaturePacket
extends ContainedPacket
implements PublicKeyAlgorithmTags

generic signature packet


Field Summary
 
Fields inherited from interface org.bouncycastle.bcpg.PublicKeyAlgorithmTags
DIFFIE_HELLMAN, DSA, EC, ECDSA, ELGAMAL_ENCRYPT, ELGAMAL_GENERAL, RSA_ENCRYPT, RSA_GENERAL, RSA_SIGN
 
Fields inherited from interface org.bouncycastle.bcpg.PacketTags
COMPRESSED_DATA, EXPERIMENTAL_1, EXPERIMENTAL_2, EXPERIMENTAL_3, EXPERIMENTAL_4, LITERAL_DATA, MARKER, MOD_DETECTION_CODE, ONE_PASS_SIGNATURE, PUBLIC_KEY, PUBLIC_KEY_ENC_SESSION, PUBLIC_SUBKEY, RESERVED, SECRET_KEY, SECRET_SUBKEY, SIGNATURE, SYM_ENC_INTEGRITY_PRO, SYMMETRIC_KEY_ENC, SYMMETRIC_KEY_ENC_SESSION, TRUST, USER_ATTRIBUTE, USER_ID
 
Constructor Summary
SignaturePacket(int version, int signatureType, long keyID, int keyAlgorithm, int hashAlgorithm, long creationTime, byte[] fingerPrint, MPInteger[] signature)
          Generate a version 2/3 signature packet.
SignaturePacket(int version, int signatureType, long keyID, int keyAlgorithm, int hashAlgorithm, SignatureSubpacket[] hashedData, SignatureSubpacket[] unhashedData, byte[] fingerPrint, MPInteger[] signature)
           
SignaturePacket(int signatureType, long keyID, int keyAlgorithm, int hashAlgorithm, SignatureSubpacket[] hashedData, SignatureSubpacket[] unhashedData, byte[] fingerPrint, MPInteger[] signature)
          Generate a version 4 signature packet.
 
Method Summary
 void encode(BCPGOutputStream out)
           
 long getCreationTime()
          Return the creation time of the signature in milli-seconds.
 int getHashAlgorithm()
          return the hashAlgorithm tag
 SignatureSubpacket[] getHashedSubPackets()
           
 int getKeyAlgorithm()
          return the encryption algorithm tag
 long getKeyID()
          return the keyID
 MPInteger[] getSignature()
          return the signature bytes - note this is normalised to be the ASN.1 encoding of what appears in the signature packet.
 byte[] getSignatureTrailer()
          return the signature trailer that must be included with the data to reconstruct the signature
 int getSignatureType()
          return the signature type.
 SignatureSubpacket[] getUnhashedSubPackets()
           
 int getVersion()
          get the version number
 
Methods inherited from class org.bouncycastle.bcpg.ContainedPacket
getEncoded
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

SignaturePacket

public SignaturePacket(int signatureType,
                       long keyID,
                       int keyAlgorithm,
                       int hashAlgorithm,
                       SignatureSubpacket[] hashedData,
                       SignatureSubpacket[] unhashedData,
                       byte[] fingerPrint,
                       MPInteger[] signature)
Generate a version 4 signature packet.

Parameters:
signatureType -
keyAlgorithm -
hashAlgorithm -
hashedData -
unhashedData -
fingerPrint -
signature -

SignaturePacket

public SignaturePacket(int version,
                       int signatureType,
                       long keyID,
                       int keyAlgorithm,
                       int hashAlgorithm,
                       long creationTime,
                       byte[] fingerPrint,
                       MPInteger[] signature)
Generate a version 2/3 signature packet.

Parameters:
signatureType -
keyAlgorithm -
hashAlgorithm -
fingerPrint -
signature -

SignaturePacket

public SignaturePacket(int version,
                       int signatureType,
                       long keyID,
                       int keyAlgorithm,
                       int hashAlgorithm,
                       SignatureSubpacket[] hashedData,
                       SignatureSubpacket[] unhashedData,
                       byte[] fingerPrint,
                       MPInteger[] signature)
Method Detail

getVersion

public int getVersion()
get the version number


getSignatureType

public int getSignatureType()
return the signature type.


getKeyID

public long getKeyID()
return the keyID

Returns:
the keyID that created the signature.

getSignatureTrailer

public byte[] getSignatureTrailer()
return the signature trailer that must be included with the data to reconstruct the signature

Returns:
byte[]

getKeyAlgorithm

public int getKeyAlgorithm()
return the encryption algorithm tag


getHashAlgorithm

public int getHashAlgorithm()
return the hashAlgorithm tag


getSignature

public MPInteger[] getSignature()
return the signature bytes - note this is normalised to be the ASN.1 encoding of what appears in the signature packet.


getHashedSubPackets

public SignatureSubpacket[] getHashedSubPackets()

getUnhashedSubPackets

public SignatureSubpacket[] getUnhashedSubPackets()

getCreationTime

public long getCreationTime()
Return the creation time of the signature in milli-seconds.

Returns:
the creation time in millis

encode

public void encode(BCPGOutputStream out)
            throws java.io.IOException
Specified by:
encode in class ContainedPacket
Throws:
java.io.IOException

Bouncy Castle Cryptography 1.33