Package com.sshtools.j2ssh.transport.publickey

Examples of com.sshtools.j2ssh.transport.publickey.InvalidSshKeyException

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            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger y = bar.readBigInteger();
            dsaKey = new DSAPublicKeySpec(y, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            pubkey = (DSAPublicKey) kf.generatePublic(dsaKey);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger x = bar.readBigInteger();
            dsaKey = new DSAPrivateKeySpec(x, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            prvkey = (DSAPrivateKey) kf.generatePrivate(dsaKey);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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            // Read the public key
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger e = bar.readBigInteger();
            BigInteger n = bar.readBigInteger();

            // Read the private key
            BigInteger p = bar.readBigInteger();
            RSAPrivateKeySpec prvSpec = new RSAPrivateKeySpec(n, p);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(n, e);
            KeyFactory kf = KeyFactory.getInstance("RSA");
            prvKey = (RSAPrivateKey) kf.generatePrivate(prvSpec);
            pubKey = (RSAPublicKey) kf.generatePublic(pubSpec);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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                baw.writeBigInteger(keyInfo.getModulus());
                baw.writeBigInteger(keyInfo.getPrivateExponent());

                return baw.toByteArray();
            } else {
                throw new InvalidSshKeyException("Unsupported type: " +
                    pem.getType());
            }
        } catch (GeneralSecurityException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to cryptography problems: " + e);
        } catch (IOException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to internal IO problems: " + e);
        }
    }
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                SimpleASNWriter asn = new SimpleASNWriter();
                RSAKeyInfo.writeRSAKeyInfo(asn, keyInfo);
                payload = asn.toByteArray();
                pem.setType(PEM.RSA_PRIVATE_KEY);
            } else {
                throw new InvalidSshKeyException(
                    "Unsupported J2SSH algorithm: " + algorithm);
            }

            pem.setPayload(payload);
            pem.encryptPayload(payload, passphrase);

            StringWriter w = new StringWriter();
            pem.write(w);

            return w.toString().getBytes("US-ASCII");
        } catch (GeneralSecurityException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to cryptography problems: " + e);
        } catch (IOException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to internal IO problems: " + e);
        }
    }
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            // Read the public key
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger e = bar.readBigInteger();
            BigInteger n = bar.readBigInteger();

            // Read the private key
            BigInteger p = bar.readBigInteger();
            RSAPrivateKeySpec prvSpec = new RSAPrivateKeySpec(n, p);
            RSAPublicKeySpec pubSpec = new RSAPublicKeySpec(n, e);
            KeyFactory kf = KeyFactory.getInstance("RSA");
            prvKey = (RSAPrivateKey) kf.generatePrivate(prvSpec);
            pubKey = (RSAPublicKey) kf.generatePublic(pubSpec);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger y = bar.readBigInteger();
            dsaKey = new DSAPublicKeySpec(y, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            pubkey = (DSAPublicKey) kf.generatePublic(dsaKey);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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            // Extract the key information
            ByteArrayReader bar = new ByteArrayReader(key);
            String header = bar.readString();

            if (!header.equals(getAlgorithmName())) {
                throw new InvalidSshKeyException();
            }

            BigInteger p = bar.readBigInteger();
            BigInteger q = bar.readBigInteger();
            BigInteger g = bar.readBigInteger();
            BigInteger x = bar.readBigInteger();
            dsaKey = new DSAPrivateKeySpec(x, p, q, g);

            KeyFactory kf = KeyFactory.getInstance("DSA");
            prvkey = (DSAPrivateKey) kf.generatePrivate(dsaKey);
        } catch (Exception e) {
            throw new InvalidSshKeyException();
        }
    }
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                baw.writeBigInteger(keyInfo.getModulus());
                baw.writeBigInteger(keyInfo.getPrivateExponent());

                return baw.toByteArray();
            } else {
                throw new InvalidSshKeyException("Unsupported type: " +
                    pem.getType());
            }
        } catch (GeneralSecurityException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to cryptography problems: " + e);
        } catch (IOException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to internal IO problems: " + e);
        }
    }
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                SimpleASNWriter asn = new SimpleASNWriter();
                RSAKeyInfo.writeRSAKeyInfo(asn, keyInfo);
                payload = asn.toByteArray();
                pem.setType(PEM.RSA_PRIVATE_KEY);
            } else {
                throw new InvalidSshKeyException(
                    "Unsupported J2SSH algorithm: " + algorithm);
            }

            pem.setPayload(payload);
            pem.encryptPayload(payload, passphrase);

            StringWriter w = new StringWriter();
            pem.write(w);

            return w.toString().getBytes("US-ASCII");
        } catch (GeneralSecurityException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to cryptography problems: " + e);
        } catch (IOException e) {
            //e.printStackTrace();
            throw new InvalidSshKeyException(
                "Can't read key due to internal IO problems: " + e);
        }
    }
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Related Classes of com.sshtools.j2ssh.transport.publickey.InvalidSshKeyException

  • com.sshtools.j2ssh.openssh.OpenSSHPrivateKeyFormat
  • com.sshtools.j2ssh.transport.publickey.dsa.SshDssPrivateKey
  • com.sshtools.j2ssh.transport.publickey.dsa.SshDssPublicKey
  • com.sshtools.j2ssh.transport.publickey.rsa.SshRsaPrivateKey
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