Package net.schmizz.sshj.transport.cipher

Examples of net.schmizz.sshj.transport.cipher.Cipher

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        // Ref. https://issues.apache.org/jira/browse/SSHD-24
        // "AES256 and AES192 requires unlimited cryptography extension"
        for (Iterator<Factory.Named<Cipher>> i = avail.iterator(); i.hasNext(); ) {
            final Factory.Named<Cipher> f = i.next();
            try {
                final Cipher c = f.create();
                final byte[] key = new byte[c.getBlockSize()];
                final byte[] iv = new byte[c.getIVSize()];
                c.init(Cipher.Mode.Encrypt, key, iv);
            } catch (Exception e) {
                warn = true;
                i.remove();
            }
        }
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        hashInput.array()[pos] = 'F';
        hash.update(hashInput.array(), 0, hashInput.available());
        final byte[] integrityKey_S2C = hash.digest();

        final Cipher cipher_C2S = Factory.Named.Util.create(transport.getConfig().getCipherFactories(),
                                                            negotiatedAlgs.getClient2ServerCipherAlgorithm());
        cipher_C2S.init(Cipher.Mode.Encrypt,
                        resizedKey(encryptionKey_C2S, cipher_C2S.getBlockSize(), hash, kex.getK(), kex.getH()),
                        initialIV_C2S);

        final Cipher cipher_S2C = Factory.Named.Util.create(transport.getConfig().getCipherFactories(),
                                                            negotiatedAlgs.getServer2ClientCipherAlgorithm());
        cipher_S2C.init(Cipher.Mode.Decrypt,
                        resizedKey(encryptionKey_S2C, cipher_S2C.getBlockSize(), hash, kex.getK(), kex.getH()),
                        initialIV_S2C);

        final MAC mac_C2S = Factory.Named.Util.create(transport.getConfig().getMACFactories(), negotiatedAlgs
                .getClient2ServerMACAlgorithm());
        mac_C2S.init(integrityKey_C2S);
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        // Ref. https://issues.apache.org/jira/browse/SSHD-24
        // "AES256 and AES192 requires unlimited cryptography extension"
        for (Iterator<Factory.Named<Cipher>> i = avail.iterator(); i.hasNext(); ) {
            final Factory.Named<Cipher> f = i.next();
            try {
                final Cipher c = f.create();
                final byte[] key = new byte[c.getBlockSize()];
                final byte[] iv = new byte[c.getIVSize()];
                c.init(Cipher.Mode.Encrypt, key, iv);
            } catch (Exception e) {
                warn = true;
                i.remove();
            }
        }
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        hashInput.array()[pos] = 'F';
        hash.update(hashInput.array(), 0, hashInput.available());
        final byte[] integrityKey_S2C = hash.digest();

        final Cipher cipher_C2S = Factory.Named.Util.create(transport.getConfig().getCipherFactories(),
                                                            negotiatedAlgs.getClient2ServerCipherAlgorithm());
        cipher_C2S.init(Cipher.Mode.Encrypt,
                        resizedKey(encryptionKey_C2S, cipher_C2S.getBlockSize(), hash, kex.getK(), kex.getH()),
                        initialIV_C2S);

        final Cipher cipher_S2C = Factory.Named.Util.create(transport.getConfig().getCipherFactories(),
                                                            negotiatedAlgs.getServer2ClientCipherAlgorithm());
        cipher_S2C.init(Cipher.Mode.Decrypt,
                        resizedKey(encryptionKey_S2C, cipher_S2C.getBlockSize(), hash, kex.getK(), kex.getH()),
                        initialIV_S2C);

        final MAC mac_C2S = Factory.Named.Util.create(transport.getConfig().getMACFactories(), negotiatedAlgs
                .getClient2ServerMACAlgorithm());
        mac_C2S.init(integrityKey_C2S);
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Related Classes of net.schmizz.sshj.transport.cipher.Cipher

  • net.schmizz.sshj.DefaultConfig
  • net.schmizz.sshj.transport.KeyExchanger
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