org.logi.crypto.keys
Interface SigningKey

All Superinterfaces:

Key, java.security.Key, PrettyPrintable, java.io.Serializable

All Known Subinterfaces:

BlindSigningKey

All Known Implementing Classes:

RSAPrivateKey, DHPrivateKey

public interface SigningKey

extends Key

This interface is implemented by keys that can be used to create signatures on fingerprints of data.

Author:

Logi Ragnarsson (logi@logi.org)

Fields inherited from interface java.security.Key

serialVersionUID

Method Summary

Signature	sign(Fingerprint fp) Create a signature for a fingerprint with a private key.
int	signatureSize() Returns the length of a signature in bytes.
int	signBlockSize() Returns the maximum size in bytes of the fingerprints that can be signed.

Methods inherited from interface org.logi.crypto.keys.Key

getAlgorithm, getFingerprint, getFingerprint, getSize, hashCode, matches, matchFingerprint, matchFingerprint

Methods inherited from interface org.logi.crypto.io.PrettyPrintable

prettyPrint, prettyPrint

Methods inherited from interface java.security.Key

getEncoded, getFormat

Method Detail

signBlockSize

public int signBlockSize()

Returns the maximum size in bytes of the fingerprints that can be signed.

signatureSize

public int signatureSize()

Returns the length of a signature in bytes.

sign

public Signature sign(Fingerprint fp)
               throws CryptoException

Create a signature for a fingerprint with a private key.

Throws:

KeyException - if there are problems, depending on the implementing class.