List of usage examples for org.bouncycastle.crypto.digests SHA1Digest doFinal
public int doFinal(byte[] out, int outOff)
From source file:com.yacme.ext.oxsit.cust_it.comp.security.cert.X509CertDisplayBase_IT.java
License:Open Source License
protected void initThumbPrints() { //obtain a byte block of the entire certificate data ByteArrayOutputStream bOut = new ByteArrayOutputStream(); DEROutputStream dOut = new DEROutputStream(bOut); try {/*from w ww . j a v a2s . c om*/ dOut.writeObject(m_aX509); byte[] certBlock = bOut.toByteArray(); //now compute the certificate SHA1 & MD5 digest SHA1Digest digsha1 = new SHA1Digest(); digsha1.update(certBlock, 0, certBlock.length); byte[] hashsha1 = new byte[digsha1.getDigestSize()]; digsha1.doFinal(hashsha1, 0); m_sSHA1Thumbprint = Helpers.printHexBytes(hashsha1); MD5Digest digmd5 = new MD5Digest(); digmd5.update(certBlock, 0, certBlock.length); byte[] hashmd5 = new byte[digmd5.getDigestSize()]; digmd5.doFinal(hashmd5, 0); m_sMD5Thumbprint = Helpers.printHexBytes(hashmd5); } catch (IOException e) { m_aLogger.severe("initThumbPrints", e); } }
From source file:cybervillains.ca.ThumbprintUtil.java
License:Open Source License
/** * Generates a SHA1 thumbprint of a certificate for long-term mapping. * /*from w ww. j a v a 2 s . co m*/ * @param cert * @return * @throws CertificateEncodingException */ public static String getThumbprint(final X509Certificate cert) throws CertificateEncodingException { if (cert == null) { return null; } byte[] rawOctets = cert.getEncoded(); SHA1Digest digest = new SHA1Digest(); byte[] digestOctets = new byte[digest.getDigestSize()]; digest.update(rawOctets, 0, rawOctets.length); digest.doFinal(digestOctets, 0); return new String(Base64.encode(digestOctets)); }
From source file:de.tsenger.animamea.crypto.KeyDerivationFunction.java
License:Open Source License
/** * //from w ww . ja v a 2 s . co m * Das MRZ-Passwort besteht aus dem SHA1-Wert der Dokumentennummer + * Geburtsdatum + Gltigkeitsdatum (jeweils mit Prfziffer) * * @param documentNr * Dokumentennummer plus Prfziffer * @param dateOfBirth * Geburtsdatum aus der MRZ plus Prfziffer * @param dateOfExpiry * Gltigkeitsdatum aus der MRZ plus Prfziffer * @return K = SHA-1(Serial Number||Date of Birth||Date of Expiry) */ public static byte[] getMRZBytes(String documentNr, String dateOfBirth, String dateOfExpiry) { String mrzInfo = documentNr + dateOfBirth + dateOfExpiry; byte[] passwordBytes = mrzInfo.getBytes(); byte[] K = new byte[20]; SHA1Digest sha1 = new SHA1Digest(); sha1.update(passwordBytes, 0, passwordBytes.length); sha1.doFinal(K, 0); return K; }
From source file:de.tsenger.animamea.crypto.KeyDerivationFunction.java
License:Open Source License
/** * Erzeugt 3DES Schlssel//from w ww. j a va 2 s . com * * @return 112bit-3DES-Schlssel in 24 Bytes mit korrekten Parity-Bits */ public byte[] getDESedeKey() { byte[] checksum = new byte[20]; SHA1Digest sha1 = new SHA1Digest(); sha1.update(mergedData, 0, mergedData.length); sha1.doFinal(checksum, 0); byte[] ka = new byte[8]; byte[] kb = new byte[8]; System.arraycopy(checksum, 0, ka, 0, ka.length); System.arraycopy(checksum, 8, kb, 0, kb.length); // Adjust Parity-Bits adjustParity(ka, 0); adjustParity(kb, 0); byte[] key = new byte[24]; System.arraycopy(ka, 0, key, 0, 8); System.arraycopy(kb, 0, key, 8, 8); System.arraycopy(ka, 0, key, 16, 8); return key; }
From source file:de.tsenger.animamea.crypto.KeyDerivationFunction.java
License:Open Source License
/** * Erzeugt AES-128 Schlssel//w w w . ja v a2s. com * * @return Schlssel als Byte-Array */ public byte[] getAES128Key() { byte[] checksum = new byte[20]; SHA1Digest sha1 = new SHA1Digest(); sha1.update(mergedData, 0, mergedData.length); sha1.doFinal(checksum, 0); // keydata = H(K||r||c) // keydata sind die ersten 16 Byte der Hashfunktion ber "mergedData" byte[] keydata = new byte[16]; System.arraycopy(checksum, 0, keydata, 0, 16); return keydata; }
From source file:dorkbox.util.crypto.CryptoDSA.java
License:Apache License
/** * The message will have the SHA1 hash calculated and used for the signature. * <p/>/*from w w w . ja va 2 s.co m*/ * Note: this is here just for keeping track of how this is done. This should NOT be used, and instead use ECC crypto. * <p/> * The returned signature is the {r,s} signature array. */ public static BigInteger[] generateSignature(DSAPrivateKeyParameters privateKey, SecureRandom secureRandom, byte[] message) { ParametersWithRandom param = new ParametersWithRandom(privateKey, secureRandom); DSASigner dsa = new DSASigner(); dsa.init(true, param); SHA1Digest sha1Digest = new SHA1Digest(); byte[] checksum = new byte[sha1Digest.getDigestSize()]; sha1Digest.update(message, 0, message.length); sha1Digest.doFinal(checksum, 0); return dsa.generateSignature(checksum); }
From source file:dorkbox.util.crypto.CryptoDSA.java
License:Apache License
/** * The message will have the SHA1 hash calculated and used for the signature. * <p/>// w w w . j a v a2s.c om * Note: this is here just for keeping track of how this is done. This should NOT be used, and instead use ECC crypto. * * @param signature * is the {r,s} signature array. * * @return true if the signature is valid */ public static boolean verifySignature(DSAPublicKeyParameters publicKey, byte[] message, BigInteger[] signature) { SHA1Digest sha1Digest = new SHA1Digest(); byte[] checksum = new byte[sha1Digest.getDigestSize()]; sha1Digest.update(message, 0, message.length); sha1Digest.doFinal(checksum, 0); DSASigner dsa = new DSASigner(); dsa.init(false, publicKey); return dsa.verifySignature(checksum, signature[0], signature[1]); }
From source file:frost.crypt.FrostCrypt.java
License:Open Source License
/** * Computes the SHA-1 checksum of given message. */// w w w.j a v a 2 s. co m public synchronized String digest(String message) { try { SHA1Digest stomach = new SHA1Digest(); stomach.reset(); byte[] food = message.getBytes("UTF-8"); stomach.update(food, 0, food.length); byte[] poop = new byte[64]; stomach.doFinal(poop, 0); return (new String(Base64.encode(poop))).substring(0, 27); } catch (UnsupportedEncodingException ex) { Logger.error(this, "UTF-8 encoding is not supported : " + ex.toString()); } return null; }
From source file:frost.crypt.FrostCrypt.java
License:Open Source License
/** * Computes the SHA-1 checksum of given file. *//*from w w w. j ava 2 s . co m*/ public synchronized String digest(File file) { SHA1Digest stomach = new SHA1Digest(); byte[] poop = new byte[64]; FileChannel chan = null; try { chan = (new FileInputStream(file)).getChannel(); } catch (IOException e) { Logger.error(this, "Exception thrown in digest(File file): " + e.toString()); } byte[] temp = new byte[4 * 1024]; ByteBuffer _temp = ByteBuffer.wrap(temp); try { while (true) { //if (y >= file.length()) break; //if (y > file.length()) y = file.length(); int pos = _temp.position(); int read = chan.read(_temp); if (read == -1) break; stomach.update(temp, pos, read); if (_temp.remaining() == 0) _temp.position(0); } chan.close(); } catch (IOException e) { Logger.error(this, "Exception thrown in digest(File file): " + e.toString()); } stomach.doFinal(poop, 0); return (new String(Base64.encode(poop))).substring(0, 27); }
From source file:net.wstech2.me.httpsclient.CertificateValidatorUtils.java
License:Apache License
/** * /* www .java 2 s.com*/ * Inspected and display various informations from the Certificate passed as * parameter. Keys are presented in HEX values and ASN1 structures dumped * using ASN1Dump.dumpAsString. * * This method is intended for debug purposes only. * * * @param cert * The X509CertificateStructure to be inspected. * */ public static void dumpCertificateInfo(org.bouncycastle.asn1.x509.Certificate cert) { boolean valid = false; TBSCertificate tbs = cert.getTBSCertificate(); RSAEngine engine = new RSAEngine(); SHA1Digest digest = new SHA1Digest(); GenericSigner signer = new GenericSigner((engine), digest); RSAPublicKey signingKey; try { signingKey = RSAPublicKey.getInstance(cert.getSubjectPublicKeyInfo().parsePublicKey()); HttpsConnectionUtils.logDebug("Public Key:[[" + cert.getSubjectPublicKeyInfo().parsePublicKey() + "]]"); RSAKeyParameters keySpec = new RSAKeyParameters(false, signingKey.getModulus(), signingKey.getPublicExponent()); signer.init(false, keySpec); HttpsConnectionUtils.logDebug("TBS DER object:[[" + tbs.getEncoded("DER") + "]]"); signer.update(tbs.getEncoded(), 0, tbs.getEncoded().length); valid = signer.verifySignature(cert.getSignature().getBytes()); HttpsConnectionUtils.logDebug("signer.verifySignature:[[" + valid + "]]"); SHA1Digest d2 = new SHA1Digest(); d2.update(tbs.getEncoded("DER"), 0, tbs.getEncoded("DER").length); byte[] hash = new byte[d2.getDigestSize()]; d2.doFinal(hash, 0); HttpsConnectionUtils.logDebug("tbs.getDEREncoded() HASH:[[" + new String(Hex.encode(hash)) + "]]"); DEROctetString asn1Hash = new DEROctetString(hash); HttpsConnectionUtils.logDebug( "ASN1 DEROctetString hash:[[" + new String(Hex.encode(asn1Hash.getEncoded("DER"))) + "]]"); d2 = new SHA1Digest(); d2.update(cert.getEncoded(), 0, cert.getEncoded().length); hash = new byte[d2.getDigestSize()]; d2.doFinal(hash, 0); HttpsConnectionUtils.logDebug("cert.getEncoded() HASH:[[" + new String(Hex.encode(hash)) + "]]"); byte[] signature = cert.getSignature().getBytes(); HttpsConnectionUtils .logDebug("cert.getSignature().getBytes():[[" + new String(Hex.encode(signature)) + "]]"); PKCS1Encoding engine2 = new PKCS1Encoding(new RSAEngine()); engine2.init(false, keySpec); byte[] decryptedHash = engine2.processBlock(signature, 0, signature.length); HttpsConnectionUtils.logDebug("decryptedHash:[[" + new String(Hex.encode(decryptedHash)) + "]]"); ASN1Object o = ASN1Primitive.fromByteArray(decryptedHash); HttpsConnectionUtils.logDebug( "decryptedHash.getDEREncoded():[[" + new String(Hex.encode(o.getEncoded("DER"))) + "]]"); HttpsConnectionUtils.logDebug( "ASN1Dump.dumpAsString(decryptedHash,true):[[" + ASN1Dump.dumpAsString(o, true) + "]]"); HttpsConnectionUtils.logDebug("engine.getInputBlockSize():[[" + engine2.getInputBlockSize() + "]]"); HttpsConnectionUtils.logDebug("engine.getOutputBlockSize():[[" + engine2.getOutputBlockSize() + "]]"); ASN1Sequence asn1SignSeq = (ASN1Sequence) ASN1Sequence.fromByteArray(decryptedHash); HttpsConnectionUtils .logDebug("Signature ASN1 Sequence:[[" + ASN1Dump.dumpAsString(asn1SignSeq, true) + "]]"); AlgorithmIdentifier algorithm = AlgorithmIdentifier.getInstance(asn1SignSeq.getObjectAt(0)); HttpsConnectionUtils.logDebug("AlgorithmIdentifier:[[" + ASN1Dump.dumpAsString(algorithm, true) + "]]"); DEROctetString signedHash = (DEROctetString) DEROctetString.getInstance(asn1SignSeq.getObjectAt(1)); HttpsConnectionUtils.logDebug("signedHash:[[" + ASN1Dump.dumpAsString(signedHash, true) + "]]"); } catch (Exception e) { e.printStackTrace(); } }