Package javax.crypto

Examples of javax.crypto.BadPaddingException


        {
            throw new IllegalBlockSizeException(e.getMessage());
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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            return cipher.processBlock(bytes, 0, bytes.length);
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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            out = cipher.processBlock(bytes, 0, bytes.length);
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }

        for (int i = 0; i != out.length; i++)
        {
            output[outputOffset + i] = out[i];
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        {
            return cipher.doFinal();
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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        {
            out = cipher.doFinal();
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }

        for (int i = 0; i != out.length; i++)
        {
            output[outputOffset + i] = out[i];
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            return cipher.processBlock(buf, 0, buf.length);
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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            return buf.length;
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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        if (internalData) {
            decrypt(signer, box);   // MAC is checked during decryption
            return tmpBB;
        }

        BadPaddingException reservedBPE = null;
        int tagLen = signer.MAClen();
        int cipheredLength = bb.remaining();

        if (!box.isNullCipher()) {
            // sanity check length of the ciphertext
            if (!box.sanityCheck(tagLen, cipheredLength)) {
                throw new BadPaddingException(
                    "ciphertext sanity check failed");
            }

            try {
                // Note that the CipherBox.decrypt() does not change
                // the capacity of the buffer.
                box.decrypt(bb, tagLen);
            } catch (BadPaddingException bpe) {
                // RFC 2246 states that decryption_failed should be used
                // for this purpose. However, that allows certain attacks,
                // so we just send bad record MAC. We also need to make
                // sure to always check the MAC to avoid a timing attack
                // for the same issue. See paper by Vaudenay et al and the
                // update in RFC 4346/5246.
                //
                // Failover to message authentication code checking.
                reservedBPE = bpe;
            } finally {
                bb.rewind();
            }
        }

        if (tagLen != 0) {
            int macOffset = bb.limit() - tagLen;

            // Note that although it is not necessary, we run the same MAC
            // computation and comparison on the payload for both stream
            // cipher and CBC block cipher.
            if (bb.remaining() < tagLen) {
                // negative data length, something is wrong
                if (reservedBPE == null) {
                    reservedBPE = new BadPaddingException("bad record");
                }

                // set offset of the dummy MAC
                macOffset = cipheredLength - tagLen;
                bb.limit(cipheredLength);
            }

            // Run MAC computation and comparison on the payload.
            if (checkMacTags(contentType(), bb, signer, false)) {
                if (reservedBPE == null) {
                    reservedBPE = new BadPaddingException("bad record MAC");
                }
            }

            // Run MAC computation and comparison on the remainder.
            //
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            return cipher.processBlock(bytes, 0, bytes.length);
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }
    }
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            out = cipher.processBlock(bytes, 0, bytes.length);
        }
        catch (InvalidCipherTextException e)
        {
            throw new BadPaddingException(e.getMessage());
        }

        for (int i = 0; i != out.length; i++)
        {
            output[outputOffset + i] = out[i];
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