Generation X and Y are infamous cynics. They have no motivation to have faith in devotion for reliability’s purpose. They’ve seen the economy drop out from under them, seen legislators lie and seen enterprises do exploitative things. What key factors affect generation x from y and 2. May 18, 2016 This is the first generation of latchkey kids as they say it. Most kids from gen X were either raised in dual income families or single parents owing to increased divorce rate. The key events and occurrences shaping their perceptions were energy crisis, economic crisis, downsizing, activism, end of cold war.
Free windows vista key. C# (CSharp) Org.BouncyCastle.Crypto.Generators RsaKeyPairGenerator.GenerateKeyPair - 30 examples found. These are the top rated real world C# (CSharp) examples of Org.BouncyCastle.Crypto.Generators.RsaKeyPairGenerator.GenerateKeyPair extracted from open source projects. JAVA generate RSA Public and Private Key Pairs using bouncy castle Crypto APIs. The following sample code generates RSA public and private keys and save them in separate files. You can pass the file names as input parameters and the program generates keys with 1024-bit size.
Generate a self signed X509 certificate with Bouncy Castle
Bouncy Castle Generate Key Pair C#
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cert.java
//Generate a self signed X509 certificate with Bouncy Castle. |
// StringBuilder sb = new StringBuilder(); |
// |
// for (int i = 0; i < pub.length; ++i) |
// { |
// sb.append(Integer.toHexString(0x0100 + (pub[i] & 0x00FF)).substring(1)); |
// } |
// |
// System.out.println(sb); |
// sb.setLength(0); |
// |
// for (int i = 0; i < pri.length; ++i) |
// { |
// sb.append(Integer.toHexString(0x0100 + (pri[i] & 0x00FF)).substring(1)); |
// } |
// |
// byte[] enc = new PKCS8Generator(privateKey).generate().getContent(); |
// |
// System.out.println(new String(Base64.encodeBase64(enc))); |
// |
//// new JcaPKCS8Generator(privateKey, new Output) |
// |
// Cipher cipher = SecurityUtils.getCipher('RSA'); |
// cipher.init(Cipher.DECRYPT_MODE, privateKey); |
// byte[] doFinal = cipher.doFinal(pub); |
// System.out.println(new String(doFinal)); |
// |
// System.out.println(sb); |
/** |
* Generate a self signed X509 certificate with Bouncy Castle. |
*/ |
staticvoid generateSelfSignedX509Certificate() throws Exception { |
// yesterday |
Date validityBeginDate =newDate(System.currentTimeMillis() -24*60*60*1000); |
// in 2 years |
Date validityEndDate =newDate(System.currentTimeMillis() +2*365*24*60*60*1000); |
// GENERATE THE PUBLIC/PRIVATE RSA KEY PAIR |
KeyPairGenerator keyPairGenerator =KeyPairGenerator.getInstance('RSA', 'BC'); |
keyPairGenerator.initialize(1024, newSecureRandom()); |
java.security.KeyPair keyPair = keyPairGenerator.generateKeyPair(); |
// GENERATE THE X509 CERTIFICATE |
X509V1CertificateGenerator certGen =newX509V1CertificateGenerator(); |
X500Principal dnName =newX500Principal('CN=John Doe'); |
certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis())); |
certGen.setSubjectDN(dnName); |
certGen.setIssuerDN(dnName); // use the same |
certGen.setNotBefore(validityBeginDate); |
certGen.setNotAfter(validityEndDate); |
certGen.setPublicKey(keyPair.getPublic()); |
certGen.setSignatureAlgorithm('SHA256WithRSAEncryption'); |
X509Certificate cert = certGen.generate(keyPair.getPrivate(), 'BC'); |
// DUMP CERTIFICATE AND KEY PAIR |
System.out.println(Strings.repeat('=', 80)); |
System.out.println('CERTIFICATE TO_STRING'); |
System.out.println(Strings.repeat('=', 80)); |
System.out.println(); |
System.out.println(cert); |
System.out.println(); |
System.out.println(Strings.repeat('=', 80)); |
System.out.println('CERTIFICATE PEM (to store in a cert-johndoe.pem file)'); |
System.out.println(Strings.repeat('=', 80)); |
System.out.println(); |
PEMWriter pemWriter =newPEMWriter(newPrintWriter(System.out)); |
pemWriter.writeObject(cert); |
pemWriter.flush(); |
System.out.println(); |
System.out.println(Strings.repeat('=', 80)); |
System.out.println('PRIVATE KEY PEM (to store in a priv-johndoe.pem file)'); |
System.out.println(Strings.repeat('=', 80)); |
System.out.println(); |
pemWriter.writeObject(keyPair.getPrivate()); |
pemWriter.flush(); |
System.out.println(); |
} |
Bouncy Castle Generate Key Pair 2
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