Examples of java.security.ProviderException

java.security.ProviderException
A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors. @version 1.17, 11/17/05 @author Benjamin Renaud




                // the below case should not occur because /dev/random or /dev/urandom is a special file
                // hence, if it is happened there is some internal problem
                if ( bytesRead == -1 ) {
                    throw new ProviderException(
                        Messages.getString("security.193") ); //$NON-NLS-1$
                }


                total  += bytesRead;
                offset += bytesRead;


                if ( total >= numBytes ) {
                    break;
                }          
            }
        } catch (IOException e) {


            // actually there should be no IOException because device is a special file;
            // hence, there is either some internal problem or, for instance,
            // device was removed in runtime, or something else
            throw new ProviderException(
                Messages.getString("security.194"), e ); //$NON-NLS-1$
        }
        return bytes; 
    }

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        }


        // We have been unable to get a random device or fall back to the
        // native security module code - throw an exception.
        if ( !serviceAvailable ) {
            throw new ProviderException(
                Messages.getString("security.196")); //$NON-NLS-1$
        }


        byte[] randomBits;
        if (bis != null) {
            // Random devices exist
            randomBits = getUnixDeviceRandom(numBytes);
        } else {
            // No random devices exist, use the system random() call
            randomBits = new byte[numBytes];
            if (!getUnixSystemRandom(randomBits, numBytes)) {
                // Even the system call has failed, throw an exception
                throw new ProviderException(
                    Messages.getString("security.196") ); //$NON-NLS-1$
            }
        }


        return randomBits;

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      {
         sha = MessageDigest.getInstance("SHA");
      }
      catch(NoSuchAlgorithmException e)
      {
         throw new ProviderException("Failed to obtain SHA MessageDigest");
      }
      evenBytes = new ByteArrayOutputStream();
      oddBytes = new ByteArrayOutputStream();
      engineReset();
   }

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    }


    private static synchronized void doVerifySelfIntegrity(Class c) {
        integrityVerified = JarVerifier.verify(c);
        if (integrityVerified == false) {
            throw new ProviderException
                ("The SunMSCAPI provider may have been tampered with.");
        }
    }

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     * @param bytes the array to be filled in with random bytes.
     */
    protected void engineNextBytes(byte[] bytes) {
        if (bytes != null) {
            if (generateSeed(0, bytes) == null) {
                throw new ProviderException("Error generating random bytes");
            }
        }
    }

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     */
    protected byte[] engineGenerateSeed(int numBytes) {
        byte[] seed = generateSeed(numBytes, null);


        if (seed == null) {
            throw new ProviderException("Error generating seed bytes");
        }
        return seed;
    }

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        try {
            messageDigest = MessageDigest.getInstance(digestName);


        } catch (NoSuchAlgorithmException e) {
           throw new ProviderException(e);
        }


        needsReset = false;
    }

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            throws ShortBufferException {
        try {
            return bufferCrypt(input, output, true);
        } catch (IllegalBlockSizeException e) {
            // never thrown for engineUpdate()
            throw new ProviderException("Internal error in update()");
        } catch (BadPaddingException e) {
            // never thrown for engineUpdate()
            throw new ProviderException("Internal error in update()");
        }
    }

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                    total += n;
                } catch (ShortBufferException e) {
                    if (resized) {
                        // we just resized the output buffer, but it still
                        // did not work. Bug in the provider, abort
                        throw (ProviderException)new ProviderException
                            ("Could not determine buffer size").initCause(e);
                    }
                    // output buffer is too small, realloc and try again
                    resized = true;
                    int newOut = engineGetOutputSize(chunk);

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        Long id = nextSubjectId++;
        SubjectId subjectId;
        try {
            subjectId = new SubjectId(id, hash(id));
        } catch (NoSuchAlgorithmException e) {
            throw new ProviderException("No such algorithm: " + algorithm + ".  This can be caused by a misconfigured java.ext.dirs, JAVA_HOME or JRE_HOME environment variable");
        } catch (InvalidKeyException e) {
            throw new ProviderException("Invalid key: " + key.toString());
        }
        List<String> groups = Collections.emptyList();
        Context context = new Context(subjectId, acc, subject, principal, groups);
        subjectIds.put(context.getId(), subject);
        subjectContexts.put(subject, context);

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