diff options
Diffstat (limited to 'pg/src/main/j2me/org/bouncycastle/openpgp/PGPV3SignatureGenerator.java')
| -rw-r--r-- | pg/src/main/j2me/org/bouncycastle/openpgp/PGPV3SignatureGenerator.java | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/pg/src/main/j2me/org/bouncycastle/openpgp/PGPV3SignatureGenerator.java b/pg/src/main/j2me/org/bouncycastle/openpgp/PGPV3SignatureGenerator.java deleted file mode 100644 index b666f55c..00000000 --- a/pg/src/main/j2me/org/bouncycastle/openpgp/PGPV3SignatureGenerator.java +++ /dev/null @@ -1,241 +0,0 @@ -package org.bouncycastle.openpgp; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.io.OutputStream; -import java.math.BigInteger; -import java.security.SecureRandom; -import java.util.Date; - -import org.bouncycastle.bcpg.MPInteger; -import org.bouncycastle.bcpg.OnePassSignaturePacket; -import org.bouncycastle.bcpg.PublicKeyAlgorithmTags; -import org.bouncycastle.bcpg.SignaturePacket; -import org.bouncycastle.openpgp.operator.PGPContentSigner; -import org.bouncycastle.openpgp.operator.PGPContentSignerBuilder; - -/** - * Generator for old style PGP V3 Signatures. - */ -public class PGPV3SignatureGenerator -{ - private byte lastb; - private OutputStream sigOut; - private PGPContentSignerBuilder contentSignerBuilder; - private PGPContentSigner contentSigner; - private int sigType; - private int providedKeyAlgorithm = -1; - - /** - * Create a signature generator built on the passed in contentSignerBuilder. - * - * @param contentSignerBuilder builder to produce PGPContentSigner objects for generating signatures. - */ - public PGPV3SignatureGenerator( - PGPContentSignerBuilder contentSignerBuilder) - { - this.contentSignerBuilder = contentSignerBuilder; - } - - /** - * Initialise the generator for signing. - * - * @param signatureType - * @param key - * @throws PGPException - */ - public void init( - int signatureType, - PGPPrivateKey key) - throws PGPException - { - contentSigner = contentSignerBuilder.build(signatureType, key); - sigOut = contentSigner.getOutputStream(); - sigType = contentSigner.getType(); - lastb = 0; - - if (providedKeyAlgorithm >= 0 && providedKeyAlgorithm != contentSigner.getKeyAlgorithm()) - { - throw new PGPException("key algorithm mismatch"); - } - } - - /** - * Initialise the generator for signing. - * - * @param signatureType - * @param key - * @param random - * @throws PGPException - * @deprecated random now ignored - set random in PGPContentSignerBuilder - */ - public void initSign( - int signatureType, - PGPPrivateKey key, - SecureRandom random) - throws PGPException - { - init(signatureType, key); - } - - /** - * Initialise the generator for signing. - * - * @param signatureType - * @param key - * @throws PGPException - * @deprecated use init() - */ - public void initSign( - int signatureType, - PGPPrivateKey key) - throws PGPException - { - init(signatureType, key); - } - - public void update( - byte b) - throws PGPSignatureException - { - if (sigType == PGPSignature.CANONICAL_TEXT_DOCUMENT) - { - if (b == '\r') - { - byteUpdate((byte)'\r'); - byteUpdate((byte)'\n'); - } - else if (b == '\n') - { - if (lastb != '\r') - { - byteUpdate((byte)'\r'); - byteUpdate((byte)'\n'); - } - } - else - { - byteUpdate(b); - } - - lastb = b; - } - else - { - byteUpdate(b); - } - } - - public void update( - byte[] b) - throws PGPSignatureException - { - this.update(b, 0, b.length); - } - - public void update( - byte[] b, - int off, - int len) - throws PGPSignatureException - { - if (sigType == PGPSignature.CANONICAL_TEXT_DOCUMENT) - { - int finish = off + len; - - for (int i = off; i != finish; i++) - { - this.update(b[i]); - } - } - else - { - blockUpdate(b, off, len); - } - } - - private void byteUpdate(byte b) - throws PGPSignatureException - { - try - { - sigOut.write(b); - } - catch (IOException e) - { - throw new PGPSignatureException("unable to update signature", e); - } - } - - private void blockUpdate(byte[] block, int off, int len) - throws PGPSignatureException - { - try - { - sigOut.write(block, off, len); - } - catch (IOException e) - { - throw new PGPSignatureException("unable to update signature", e); - } - } - - /** - * Return the one pass header associated with the current signature. - * - * @param isNested - * @return PGPOnePassSignature - * @throws PGPException - */ - public PGPOnePassSignature generateOnePassVersion( - boolean isNested) - throws PGPException - { - return new PGPOnePassSignature(new OnePassSignaturePacket(sigType, contentSigner.getHashAlgorithm(), contentSigner.getKeyAlgorithm(), contentSigner.getKeyID(), isNested)); - } - - /** - * Return a V3 signature object containing the current signature state. - * - * @return PGPSignature - * @throws PGPException - */ - public PGPSignature generate() - throws PGPException - { - long creationTime = new Date().getTime() / 1000; - - ByteArrayOutputStream sOut = new ByteArrayOutputStream(); - - sOut.write(sigType); - sOut.write((byte)(creationTime >> 24)); - sOut.write((byte)(creationTime >> 16)); - sOut.write((byte)(creationTime >> 8)); - sOut.write((byte)creationTime); - - byte[] hData = sOut.toByteArray(); - - blockUpdate(hData, 0, hData.length); - - MPInteger[] sigValues; - if (contentSigner.getKeyAlgorithm() == PublicKeyAlgorithmTags.RSA_SIGN - || contentSigner.getKeyAlgorithm() == PublicKeyAlgorithmTags.RSA_GENERAL) - // an RSA signature - { - sigValues = new MPInteger[1]; - sigValues[0] = new MPInteger(new BigInteger(1, contentSigner.getSignature())); - } - else - { - sigValues = PGPUtil.dsaSigToMpi(contentSigner.getSignature()); - } - - byte[] digest = contentSigner.getDigest(); - byte[] fingerPrint = new byte[2]; - - fingerPrint[0] = digest[0]; - fingerPrint[1] = digest[1]; - - return new PGPSignature(new SignaturePacket(3, contentSigner.getType(), contentSigner.getKeyID(), contentSigner.getKeyAlgorithm(), contentSigner.getHashAlgorithm(), creationTime * 1000, fingerPrint, sigValues)); - } -} |